Malware Analysis Report

2024-08-06 13:51

Sample ID 240516-sx35zsbb41
Target IMG79600253.exe
SHA256 9c4b7f8a8732beb18b38ad4a4a853727cfb3da38666b45c4051c76801536bf22
Tags
azorult purelogstealer collection discovery infostealer persistence spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9c4b7f8a8732beb18b38ad4a4a853727cfb3da38666b45c4051c76801536bf22

Threat Level: Known bad

The file IMG79600253.exe was found to be: Known bad.

Malicious Activity Summary

azorult purelogstealer collection discovery infostealer persistence spyware stealer trojan

Azorult

PureLog Stealer

PureLog Stealer payload

Reads WinSCP keys stored on the system

Reads user/profile data of web browsers

Reads local data of messenger clients

Loads dropped DLL

Reads user/profile data of local email clients

Executes dropped EXE

Checks computer location settings

Reads data files stored by FTP clients

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Adds Run key to start application

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Program crash

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

outlook_win_path

Checks processor information in registry

outlook_office_path

Suspicious use of AdjustPrivilegeToken

Delays execution with timeout.exe

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Privilege Escalation
TA0004
Boot or Logon Autostart Execution
T1547
Registry Run Keys / Startup Folder
T1547.001
Defense Evasion
TA0005
Modify Registry
T1112
Credential Access
TA0006
Unsecured Credentials
T1552
Credentials In Files
T1552.001
Credentials in Registry
T1552.002
Discovery
TA0007
Query Registry
T1012
System Information Discovery
T1082
Lateral Movement
TA0008
Collection
TA0009
Data from Local System
T1005
Email Collection
T1114
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-05-16 15:31

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-16 15:31

Reported

2024-05-16 15:33

Platform

win7-20240221-en

Max time kernel

120s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe"

Signatures

Azorult

trojan infostealer azorult

PureLog Stealer

stealer purelogstealer

PureLog Stealer payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Reads WinSCP keys stored on the system

spyware stealer

Reads data files stored by FTP clients

spyware stealer

Reads local data of messenger clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Accesses cryptocurrency files/wallets, possible credential harvesting

spyware

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\uvef = "C:\\Users\\Admin\\AppData\\Roaming\\uvef.exe" C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\uvef = "C:\\Users\\Admin\\AppData\\Roaming\\uvef.exe" C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe N/A

Checks installed software on the system

discovery

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1712 set thread context of 2040 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2656 set thread context of 3368 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Enumerates physical storage devices

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.exe N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1712 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe
PID 1712 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe
PID 1712 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe
PID 1712 wrote to memory of 2656 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe
PID 1712 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1712 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1712 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1712 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1712 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1712 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1712 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1712 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1712 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1712 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1712 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1712 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 1712 wrote to memory of 2040 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2656 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2656 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2656 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2656 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2656 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2656 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2656 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2656 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2656 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2656 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2656 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2656 wrote to memory of 3368 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 2040 wrote to memory of 4140 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\cmd.exe
PID 2040 wrote to memory of 4140 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\cmd.exe
PID 2040 wrote to memory of 4140 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\cmd.exe
PID 2040 wrote to memory of 4140 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe C:\Windows\SysWOW64\cmd.exe
PID 4140 wrote to memory of 4272 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 4140 wrote to memory of 4272 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 4140 wrote to memory of 4272 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 4140 wrote to memory of 4272 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe

"C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe"

C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe

"C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c C:\Windows\system32\timeout.exe 3 & del "RegAsm.exe"

C:\Windows\SysWOW64\timeout.exe

C:\Windows\system32\timeout.exe 3

Network

Country Destination Domain Proto
NL 98.142.254.109:80 98.142.254.109 tcp
US 8.8.8.8:53 ehzwq.shop udp
MY 111.90.143.196:80 ehzwq.shop tcp
NL 98.142.254.109:80 98.142.254.109 tcp

Files

memory/1712-0-0x00000000745EE000-0x00000000745EF000-memory.dmp

memory/1712-1-0x0000000001150000-0x0000000001162000-memory.dmp

memory/1712-2-0x00000000745E0000-0x0000000074CCE000-memory.dmp

memory/1712-3-0x0000000008440000-0x0000000008676000-memory.dmp

memory/1712-4-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-5-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-19-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-17-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-31-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-29-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-33-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-27-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-25-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-23-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-21-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-35-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-15-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-13-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-11-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-10-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-7-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-37-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-41-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-39-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-43-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-45-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-47-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-49-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-51-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-53-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-55-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-57-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-59-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-61-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-63-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-65-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-67-0x0000000008440000-0x0000000008670000-memory.dmp

memory/1712-4884-0x00000000745E0000-0x0000000074CCE000-memory.dmp

memory/1712-4886-0x0000000000BC0000-0x0000000000C0C000-memory.dmp

memory/1712-4885-0x0000000005450000-0x00000000054C2000-memory.dmp

memory/1712-4894-0x0000000005220000-0x0000000005274000-memory.dmp

memory/2656-4896-0x00000000745E0000-0x0000000074CCE000-memory.dmp

memory/2656-4897-0x00000000745E0000-0x0000000074CCE000-memory.dmp

memory/2656-4899-0x00000000004C0000-0x00000000004C6000-memory.dmp

memory/2656-4895-0x0000000001190000-0x00000000011AA000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe

MD5 93e85d15ef93ddf8ac964f84d9bec664
SHA1 e3d58cca51afd2449a11a8a18c5a0f871dbca59c
SHA256 816bb9cdaa18ffba5dbcedf69298718caac8a4ff6c674300a9299d0584a236c9
SHA512 acd703192f69af97cd6d288ad43b3b6dc6e711c7747f25af05a0f0fe3619b5c503857d0f6dbe93b4d5dd411b8f0a51cf25b8596396c756cf7f3faed57b00c49c

memory/1712-4922-0x00000000745E0000-0x0000000074CCE000-memory.dmp

memory/2656-4923-0x0000000008690000-0x0000000008956000-memory.dmp

memory/2656-9804-0x00000000073D0000-0x00000000074D2000-memory.dmp

\??\c:\users\admin\appdata\roaming\uvef.exe

MD5 79fefc82f4031ede1780a7f28f9321be
SHA1 b418bdb6987a028736cf5af5be26f00c62a9a2b3
SHA256 c6b24c286af025d86df4b6d5dce48a6a4308cb5316633c6ae60a7cf8139e4f52
SHA512 f1ff69ea03f8e845c27c59f05a991d61c9b5399477ab334152bd0f7aa948655ecd767f915dce3fa31f81fcba8e84b0468c99f57250ec442cfde063719b67c20a

memory/3368-9821-0x00000000023F0000-0x00000000024B6000-memory.dmp

memory/2656-9820-0x00000000745E0000-0x0000000074CCE000-memory.dmp

memory/3368-9819-0x0000000000400000-0x00000000004BA000-memory.dmp

memory/3368-10674-0x00000000004F0000-0x00000000004F8000-memory.dmp

memory/3368-10675-0x00000000024B0000-0x0000000002506000-memory.dmp

\Users\Admin\AppData\Local\Temp\3059A817\nss3.dll

MD5 556ea09421a0f74d31c4c0a89a70dc23
SHA1 f739ba9b548ee64b13eb434a3130406d23f836e3
SHA256 f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb
SHA512 2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

\Users\Admin\AppData\Local\Temp\3059A817\mozglue.dll

MD5 9e682f1eb98a9d41468fc3e50f907635
SHA1 85e0ceca36f657ddf6547aa0744f0855a27527ee
SHA256 830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d
SHA512 230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

\Users\Admin\AppData\Local\Temp\3059A817\msvcp140.dll

MD5 109f0f02fd37c84bfc7508d4227d7ed5
SHA1 ef7420141bb15ac334d3964082361a460bfdb975
SHA256 334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA512 46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

\Users\Admin\AppData\Local\Temp\3059A817\vcruntime140.dll

MD5 7587bf9cb4147022cd5681b015183046
SHA1 f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256 c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA512 0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

\Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-runtime-l1-1-0.dll

MD5 41a348f9bedc8681fb30fa78e45edb24
SHA1 66e76c0574a549f293323dd6f863a8a5b54f3f9b
SHA256 c9bbc07a033bab6a828ecc30648b501121586f6f53346b1cd0649d7b648ea60b
SHA512 8c2cb53ccf9719de87ee65ed2e1947e266ec7e8343246def6429c6df0dc514079f5171acd1aa637276256c607f1063144494b992d4635b01e09ddea6f5eef204

\Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-string-l1-1-0.dll

MD5 404604cd100a1e60dfdaf6ecf5ba14c0
SHA1 58469835ab4b916927b3cabf54aee4f380ff6748
SHA256 73cc56f20268bfb329ccd891822e2e70dd70fe21fc7101deb3fa30c34a08450c
SHA512 da024ccb50d4a2a5355b7712ba896df850cee57aa4ada33aad0bae6960bcd1e5e3cee9488371ab6e19a2073508fbb3f0b257382713a31bc0947a4bf1f7a20be4

\Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-stdio-l1-1-0.dll

MD5 fefb98394cb9ef4368da798deab00e21
SHA1 316d86926b558c9f3f6133739c1a8477b9e60740
SHA256 b1e702b840aebe2e9244cd41512d158a43e6e9516cd2015a84eb962fa3ff0df7
SHA512 57476fe9b546e4cafb1ef4fd1cbd757385ba2d445d1785987afb46298acbe4b05266a0c4325868bc4245c2f41e7e2553585bfb5c70910e687f57dac6a8e911e8

\Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-heap-l1-1-0.dll

MD5 93d3da06bf894f4fa21007bee06b5e7d
SHA1 1e47230a7ebcfaf643087a1929a385e0d554ad15
SHA256 f5cf623ba14b017af4aec6c15eee446c647ab6d2a5dee9d6975adc69994a113d
SHA512 72bd6d46a464de74a8dac4c346c52d068116910587b1c7b97978df888925216958ce77be1ae049c3dccf5bf3fffb21bc41a0ac329622bc9bbc190df63abb25c6

\Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-convert-l1-1-0.dll

MD5 72e28c902cd947f9a3425b19ac5a64bd
SHA1 9b97f7a43d43cb0f1b87fc75fef7d9eeea11e6f7
SHA256 3cc1377d495260c380e8d225e5ee889cbb2ed22e79862d4278cfa898e58e44d1
SHA512 58ab6fedce2f8ee0970894273886cb20b10d92979b21cda97ae0c41d0676cc0cd90691c58b223bce5f338e0718d1716e6ce59a106901fe9706f85c3acf7855ff

\Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-locale-l1-1-0.dll

MD5 a2f2258c32e3ba9abf9e9e38ef7da8c9
SHA1 116846ca871114b7c54148ab2d968f364da6142f
SHA256 565a2eec5449eeeed68b430f2e9b92507f979174f9c9a71d0c36d58b96051c33
SHA512 e98cbc8d958e604effa614a3964b3d66b6fc646bdca9aa679ea5e4eb92ec0497b91485a40742f3471f4ff10de83122331699edc56a50f06ae86f21fad70953fe

\Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-math-l1-1-0.dll

MD5 8b0ba750e7b15300482ce6c961a932f0
SHA1 71a2f5d76d23e48cef8f258eaad63e586cfc0e19
SHA256 bece7bab83a5d0ec5c35f0841cbbf413e01ac878550fbdb34816ed55185dcfed
SHA512 fb646cdcdb462a347ed843312418f037f3212b2481f3897a16c22446824149ee96eb4a4b47a903ca27b1f4d7a352605d4930df73092c380e3d4d77ce4e972c5a

\Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-multibyte-l1-1-0.dll

MD5 35fc66bd813d0f126883e695664e7b83
SHA1 2fd63c18cc5dc4defc7ea82f421050e668f68548
SHA256 66abf3a1147751c95689f5bc6a259e55281ec3d06d3332dd0ba464effa716735
SHA512 65f8397de5c48d3df8ad79baf46c1d3a0761f727e918ae63612ea37d96adf16cc76d70d454a599f37f9ba9b4e2e38ebc845df4c74fc1e1131720fd0dcb881431

\Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-time-l1-1-0.dll

MD5 849f2c3ebf1fcba33d16153692d5810f
SHA1 1f8eda52d31512ebfdd546be60990b95c8e28bfb
SHA256 69885fd581641b4a680846f93c2dd21e5dd8e3ba37409783bc5b3160a919cb5d
SHA512 44dc4200a653363c9a1cb2bdd3da5f371f7d1fb644d1ce2ff5fe57d939b35130ac8ae27a3f07b82b3428233f07f974628027b0e6b6f70f7b2a8d259be95222f5

\Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-filesystem-l1-1-0.dll

MD5 aec2268601470050e62cb8066dd41a59
SHA1 363ed259905442c4e3b89901bfd8a43b96bf25e4
SHA256 7633774effe7c0add6752ffe90104d633fc8262c87871d096c2fc07c20018ed2
SHA512 0c14d160bfa3ac52c35ff2f2813b85f8212c5f3afbcfe71a60ccc2b9e61e51736f0bf37ca1f9975b28968790ea62ed5924fae4654182f67114bd20d8466c4b8f

\Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-environment-l1-1-0.dll

MD5 ac290dad7cb4ca2d93516580452eda1c
SHA1 fa949453557d0049d723f9615e4f390010520eda
SHA256 c0d75d1887c32a1b1006b3cffc29df84a0d73c435cdcb404b6964be176a61382
SHA512 b5e2b9f5a9dd8a482169c7fc05f018ad8fe6ae27cb6540e67679272698bfca24b2ca5a377fa61897f328b3deac10237cafbd73bc965bf9055765923aba9478f8

\Users\Admin\AppData\Local\Temp\3059A817\api-ms-win-crt-utility-l1-1-0.dll

MD5 b52a0ca52c9c207874639b62b6082242
SHA1 6fb845d6a82102ff74bd35f42a2844d8c450413b
SHA256 a1d1d6b0cb0a8421d7c0d1297c4c389c95514493cd0a386b49dc517ac1b9a2b0
SHA512 18834d89376d703bd461edf7738eb723ad8d54cb92acc9b6f10cbb55d63db22c2a0f2f3067fe2cc6feb775db397030606608ff791a46bf048016a1333028d0a4

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-16 15:31

Reported

2024-05-16 15:34

Platform

win10v2004-20240508-en

Max time kernel

134s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe"

Signatures

PureLog Stealer

stealer purelogstealer

PureLog Stealer payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\uvef = "C:\\Users\\Admin\\AppData\\Roaming\\uvef.exe" C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\uvef = "C:\\Users\\Admin\\AppData\\Roaming\\uvef.exe" C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3508 set thread context of 2652 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4692 set thread context of 2560 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3508 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe
PID 3508 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe
PID 3508 wrote to memory of 4692 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe
PID 3508 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 3508 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 3508 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 3508 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 3508 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 3508 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 3508 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 3508 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 3508 wrote to memory of 2652 N/A C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4692 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4692 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4692 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4692 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4692 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4692 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4692 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
PID 4692 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

Processes

C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe

"C:\Users\Admin\AppData\Local\Temp\IMG79600253.exe"

C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe

"C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2652 -ip 2652

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2652 -s 572

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
NL 98.142.254.109:80 98.142.254.109 tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 109.254.142.98.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
NL 23.62.61.113:443 www.bing.com tcp
US 8.8.8.8:53 113.61.62.23.in-addr.arpa udp
NL 98.142.254.109:80 98.142.254.109 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/3508-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

memory/3508-1-0x0000000000490000-0x00000000004A2000-memory.dmp

memory/3508-2-0x0000000074CB0000-0x0000000075460000-memory.dmp

memory/3508-3-0x00000000070D0000-0x0000000007306000-memory.dmp

memory/3508-4-0x00000000078B0000-0x0000000007E54000-memory.dmp

memory/3508-5-0x00000000073A0000-0x0000000007432000-memory.dmp

memory/3508-9-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-16-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-21-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-27-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-29-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-47-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-55-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-53-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-51-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-49-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-45-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-43-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-41-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-39-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-37-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-35-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-33-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-25-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-23-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-31-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-19-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-17-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-14-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-11-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-7-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-6-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-57-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-65-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-63-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-61-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-59-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-69-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-67-0x00000000070D0000-0x0000000007300000-memory.dmp

memory/3508-4886-0x0000000074CB0000-0x0000000075460000-memory.dmp

memory/3508-4888-0x0000000005860000-0x00000000058AC000-memory.dmp

memory/3508-4887-0x00000000057F0000-0x0000000005862000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Mrmjzj.exe

MD5 93e85d15ef93ddf8ac964f84d9bec664
SHA1 e3d58cca51afd2449a11a8a18c5a0f871dbca59c
SHA256 816bb9cdaa18ffba5dbcedf69298718caac8a4ff6c674300a9299d0584a236c9
SHA512 acd703192f69af97cd6d288ad43b3b6dc6e711c7747f25af05a0f0fe3619b5c503857d0f6dbe93b4d5dd411b8f0a51cf25b8596396c756cf7f3faed57b00c49c

memory/3508-4900-0x0000000005BD0000-0x0000000005C24000-memory.dmp

memory/4692-4901-0x0000000000D50000-0x0000000000D6A000-memory.dmp

memory/4692-4903-0x0000000074CB0000-0x0000000075460000-memory.dmp

memory/4692-4923-0x0000000074CB0000-0x0000000075460000-memory.dmp

memory/3508-4910-0x0000000074CB0000-0x0000000075460000-memory.dmp

memory/4692-4924-0x0000000002F80000-0x0000000002F86000-memory.dmp

memory/4692-4925-0x0000000006740000-0x0000000006A06000-memory.dmp

memory/4692-9806-0x0000000074CB0000-0x0000000075460000-memory.dmp

memory/4692-9807-0x0000000006600000-0x0000000006702000-memory.dmp

memory/4692-9808-0x0000000006A00000-0x0000000006A66000-memory.dmp

\??\c:\users\admin\appdata\roaming\uvef.exe

MD5 79fefc82f4031ede1780a7f28f9321be
SHA1 b418bdb6987a028736cf5af5be26f00c62a9a2b3
SHA256 c6b24c286af025d86df4b6d5dce48a6a4308cb5316633c6ae60a7cf8139e4f52
SHA512 f1ff69ea03f8e845c27c59f05a991d61c9b5399477ab334152bd0f7aa948655ecd767f915dce3fa31f81fcba8e84b0468c99f57250ec442cfde063719b67c20a

memory/2560-9813-0x0000000000800000-0x00000000008BA000-memory.dmp

memory/2560-9814-0x0000000004CF0000-0x0000000004DB6000-memory.dmp

memory/4692-9815-0x0000000074CB0000-0x0000000075460000-memory.dmp

memory/2560-10668-0x0000000004F90000-0x0000000004F98000-memory.dmp

memory/2560-10669-0x0000000004FA0000-0x0000000004FF6000-memory.dmp

memory/2560-10670-0x00000000052F0000-0x00000000052FA000-memory.dmp