azorult | 8b02f1da039c68a34c1c6eeb5879d60af07953e8d9fbbbd8e61f3d7d06d8a529

Analysis

max time kernel
84s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231127-en
resource tags

arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2023 06:51

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General

Target

ekstre.exe
Size

1.2MB
MD5

8fcee5dc3d70f71f15a9b52961ff6d2c
SHA1

58c79faadb701e92f87ef182372f6ffca2863724
SHA256

8b02f1da039c68a34c1c6eeb5879d60af07953e8d9fbbbd8e61f3d7d06d8a529
SHA512

01747d96bfbc9c9e5c28f5c8df40515900b1e56f3f31aebbe38a35cb4638d4b612f9c855491109231740476475b0c30446396ad66d1a5b11d3ec2747cbf497f8
SSDEEP

24576:9Fd6jHjNhTGtCz7d/VOctYx8a5YQ4uUhatnIIix7Yu+5EkW4FI:TdyDHyCzx/Ox8a5uhjICQ9FI

Score

10^/10

azorult collection discovery infostealer spyware stealer trojan

Malware Config

Signatures

Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
trojan infostealer azorult
Loads dropped DLL 5 IoCs

Processes:

ekstre.exeekstre.exe

pid process

2124 ekstre.exe
1108 ekstre.exe
1108 ekstre.exe
1108 ekstre.exe
1108 ekstre.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
2124	ekstre.exe
1108	ekstre.exe
1108	ekstre.exe
1108	ekstre.exe
1108	ekstre.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

ekstre.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	ekstre.exe
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	ekstre.exe
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	ekstre.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

ekstre.exe

pid process

1108 ekstre.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

ekstre.exeekstre.exe

pid process

2124 ekstre.exe
1108 ekstre.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ekstre.exe

description pid process target process

PID 2124 set thread context of 1108 2124 ekstre.exe ekstre.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2832 1108 WerFault.exe ekstre.exe

pid	process
1108	ekstre.exe

pid	process
2124	ekstre.exe
1108	ekstre.exe

description	pid	process	target process
PID 2124 set thread context of 1108	2124	ekstre.exe	ekstre.exe

pid	pid_target	process	target process
2832	1108	WerFault.exe	ekstre.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

ekstre.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ekstre.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ekstre.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

ekstre.exe

pid process

1108 ekstre.exe
1108 ekstre.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

ekstre.exe

pid process

2124 ekstre.exe

pid	process
1108	ekstre.exe
1108	ekstre.exe

pid	process
2124	ekstre.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

ekstre.exe

description	pid	process	target process
PID 2124 wrote to memory of 1108	2124	ekstre.exe	ekstre.exe
PID 2124 wrote to memory of 1108	2124	ekstre.exe	ekstre.exe
PID 2124 wrote to memory of 1108	2124	ekstre.exe	ekstre.exe
PID 2124 wrote to memory of 1108	2124	ekstre.exe	ekstre.exe
PID 2124 wrote to memory of 1108	2124	ekstre.exe	ekstre.exe

outlook_office_path 1 IoCs

Processes:

ekstre.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	ekstre.exe

outlook_win_path 1 IoCs

Processes:

ekstre.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1067295379-1486014338-1703171060-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	ekstre.exe

C:\Users\Admin\AppData\Local\Temp\ekstre.exe
"C:\Users\Admin\AppData\Local\Temp\ekstre.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\ekstre.exe
  "C:\Users\Admin\AppData\Local\Temp\ekstre.exe"
  2⤵
  - Loads dropped DLL
  - Accesses Microsoft Outlook profiles
  - Suspicious use of NtCreateThreadExHideFromDebugger
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - outlook_office_path
  - outlook_win_path
  PID:1108
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1108 -s 1336
    3⤵
    - Program crash
    PID:2832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1108 -ip 1108
1⤵
PID:3312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\0A00D18E\mozglue.dll

Filesize
135KB

MD5
9e682f1eb98a9d41468fc3e50f907635

SHA1
85e0ceca36f657ddf6547aa0744f0855a27527ee

SHA256
830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

SHA512
230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

Download Submit
C:\Users\Admin\AppData\Local\Temp\0A00D18E\msvcp140.dll

Filesize
429KB

MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

Download Submit
C:\Users\Admin\AppData\Local\Temp\0A00D18E\nss3.dll

Filesize
1.2MB

MD5
556ea09421a0f74d31c4c0a89a70dc23

SHA1
f739ba9b548ee64b13eb434a3130406d23f836e3

SHA256
f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

SHA512
2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

Download Submit
C:\Users\Admin\AppData\Local\Temp\0A00D18E\vcruntime140.dll

Filesize
81KB

MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nshA4DE.tmp\System.dll

Filesize
12KB

MD5
0d7ad4f45dc6f5aa87f606d0331c6901

SHA1
48df0911f0484cbe2a8cdd5362140b63c41ee457

SHA256
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

SHA512
c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

Download Submit
memory/1108-30-0x0000000077AC5000-0x0000000077AC6000-memory.dmp

Filesize
4KB

Download
memory/1108-32-0x0000000000460000-0x00000000043C3000-memory.dmp

Filesize
63.4MB

Download
memory/1108-33-0x0000000000060000-0x0000000000087000-memory.dmp

Filesize
156KB

Download
memory/1108-31-0x00000000734A0000-0x00000000746F4000-memory.dmp

Filesize
18.3MB

Download
memory/1108-29-0x0000000077AA8000-0x0000000077AA9000-memory.dmp

Filesize
4KB

Download
memory/1108-93-0x00000000734A0000-0x00000000746F4000-memory.dmp

Filesize
18.3MB

Download
memory/1108-142-0x0000000000460000-0x00000000043C3000-memory.dmp

Filesize
63.4MB

Download
memory/1108-143-0x00000000734A0000-0x00000000746F4000-memory.dmp

Filesize
18.3MB

Download
memory/1108-144-0x0000000077A21000-0x0000000077B41000-memory.dmp

Filesize
1.1MB

Download
memory/2124-28-0x0000000074700000-0x0000000074707000-memory.dmp

Filesize
28KB

Download
memory/2124-27-0x0000000077A21000-0x0000000077B41000-memory.dmp

Filesize
1.1MB

Download