Malware Analysis Report

2024-11-13 17:38

Sample ID 241107-anhhtatlbk
Target 07112024_0021_05112024_10029384756.IMG
SHA256 962464515210d153071344576be7b378c8ee96431aa207ff72801b2a8b559922
Tags
agenttesla discovery keylogger spyware stealer trojan guloader downloader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

962464515210d153071344576be7b378c8ee96431aa207ff72801b2a8b559922

Threat Level: Known bad

The file 07112024_0021_05112024_10029384756.IMG was found to be: Known bad.

Malicious Activity Summary

agenttesla discovery keylogger spyware stealer trojan guloader downloader

AgentTesla

Agenttesla family

Guloader,Cloudeye

Guloader family

Reads data files stored by FTP clients

Reads WinSCP keys stored on the system

Reads user/profile data of web browsers

Loads dropped DLL

Reads user/profile data of local email clients

Looks up external IP address via web service

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Drops file in Program Files directory

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Enumerates physical storage devices

NSIS installer

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 00:21

Signatures

Unsigned PE

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

NSIS installer

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 00:21

Reported

2024-11-07 00:27

Platform

win7-20240903-en

Max time kernel

290s

Max time network

172s

Command Line

"C:\Users\Admin\AppData\Local\Temp\10029384756.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

agenttesla

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A

Reads WinSCP keys stored on the system

spyware stealer

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2504 set thread context of 1912 N/A C:\Users\Admin\AppData\Local\Temp\10029384756.exe C:\Users\Admin\AppData\Local\Temp\10029384756.exe

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\Common Files\garantis.bew C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\10029384756.exe

"C:\Users\Admin\AppData\Local\Temp\10029384756.exe"

C:\Users\Admin\AppData\Local\Temp\10029384756.exe

"C:\Users\Admin\AppData\Local\Temp\10029384756.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 hublore.in udp
US 45.43.14.134:80 hublore.in tcp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp

Files

C:\Users\Admin\sindsoprrte.ini

MD5 34b6486be479025fb25d832fa829a153
SHA1 a7e5f7f6cfc1004b46181c718a250f603a19ea1c
SHA256 bc3788143aae61e43980462fbb660958db120cf7975a990ce5598bdf80dcf5f3
SHA512 71494342be8989348f9df287a8e6fdb3b850d9d3f6d1f106f2ca75d241da141514ea23530e02d38bee700217792ed18b425f0e143de31731b7858acfc0e07e30

\Users\Admin\AppData\Local\Temp\nsoE726.tmp\System.dll

MD5 fbe295e5a1acfbd0a6271898f885fe6a
SHA1 d6d205922e61635472efb13c2bb92c9ac6cb96da
SHA256 a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1
SHA512 2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06

memory/1912-277-0x00000000007D0000-0x0000000001832000-memory.dmp

memory/1912-278-0x00000000007D0000-0x0000000001832000-memory.dmp

memory/1912-279-0x00000000007D0000-0x0000000000812000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-07 00:21

Reported

2024-11-07 00:27

Platform

win10v2004-20241007-en

Max time kernel

292s

Max time network

208s

Command Line

"C:\Users\Admin\AppData\Local\Temp\10029384756.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Agenttesla family

agenttesla

Guloader family

guloader

Guloader,Cloudeye

downloader guloader

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A

Reads WinSCP keys stored on the system

spyware stealer

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3212 set thread context of 5000 N/A C:\Users\Admin\AppData\Local\Temp\10029384756.exe C:\Users\Admin\AppData\Local\Temp\10029384756.exe

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files (x86)\Common Files\garantis.bew C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\10029384756.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\10029384756.exe

"C:\Users\Admin\AppData\Local\Temp\10029384756.exe"

C:\Users\Admin\AppData\Local\Temp\10029384756.exe

"C:\Users\Admin\AppData\Local\Temp\10029384756.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 103.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 hublore.in udp
US 45.43.14.134:80 hublore.in tcp
US 8.8.8.8:53 134.14.43.45.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

C:\Users\Admin\sindsoprrte.ini

MD5 34b6486be479025fb25d832fa829a153
SHA1 a7e5f7f6cfc1004b46181c718a250f603a19ea1c
SHA256 bc3788143aae61e43980462fbb660958db120cf7975a990ce5598bdf80dcf5f3
SHA512 71494342be8989348f9df287a8e6fdb3b850d9d3f6d1f106f2ca75d241da141514ea23530e02d38bee700217792ed18b425f0e143de31731b7858acfc0e07e30

C:\Users\Admin\AppData\Local\Temp\nsq93D6.tmp\System.dll

MD5 fbe295e5a1acfbd0a6271898f885fe6a
SHA1 d6d205922e61635472efb13c2bb92c9ac6cb96da
SHA256 a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1
SHA512 2cb596971e504eaf1ce8e3f09719ebfb3f6234cea5ca7b0d33ec7500832ff4b97ec2bbe15a1fbf7e6a5b02c59db824092b9562cd8991f4d027feab6fd3177b06

memory/3212-276-0x00000000045E0000-0x00000000076D7000-memory.dmp

memory/3212-277-0x00000000045E0000-0x00000000076D7000-memory.dmp

memory/3212-278-0x0000000077CB1000-0x0000000077DD1000-memory.dmp

memory/3212-280-0x0000000074904000-0x0000000074905000-memory.dmp

memory/3212-279-0x0000000077CB1000-0x0000000077DD1000-memory.dmp

memory/3212-281-0x00000000045E0000-0x00000000076D7000-memory.dmp

memory/5000-282-0x0000000001A30000-0x0000000004B27000-memory.dmp

memory/5000-283-0x0000000001A30000-0x0000000004B27000-memory.dmp

memory/5000-284-0x00000000007D0000-0x0000000001A24000-memory.dmp

memory/5000-285-0x00000000007D0000-0x0000000000812000-memory.dmp

memory/5000-286-0x0000000037520000-0x0000000037AC4000-memory.dmp

memory/5000-287-0x0000000037450000-0x00000000374B6000-memory.dmp

memory/5000-288-0x0000000038340000-0x00000000383D2000-memory.dmp

memory/5000-289-0x0000000038410000-0x0000000038460000-memory.dmp

memory/5000-290-0x00000000384A0000-0x00000000384AA000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-11-07 00:21

Reported

2024-11-07 00:26

Platform

win7-20240729-en

Max time kernel

239s

Max time network

246s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 220

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-11-07 00:21

Reported

2024-11-07 00:26

Platform

win10v2004-20241007-en

Max time kernel

93s

Max time network

210s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3292 wrote to memory of 1548 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3292 wrote to memory of 1548 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3292 wrote to memory of 1548 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1548 -ip 1548

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1548 -s 612

Network

Country Destination Domain Proto
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 66.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

N/A