Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
20-11-2024 02:19
Static task
static1
Behavioral task
behavioral1
Sample
Musterino_94372478_Ekno_101_20241031410530_ekstre.exe
Resource
win7-20241010-en
General
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Target
Musterino_94372478_Ekno_101_20241031410530_ekstre.exe
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Size
753KB
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MD5
7766ffc22475dbdb07730fdd97e9c0c5
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SHA1
f744e3b286f1daf7c8cf3df7cf3171d2e7c4675c
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SHA256
f69515024de365946c3a58ce3315898196dcca5a2d5a9ba3f5b257818df4055a
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SHA512
db2037bc633bca7b9e0f8e75fa18868fc7eef2e4dd1da6fbace26f5ece3bf3c87bd0350a86640d5b7ed54bd937c98b514c25492045d409ea8c7fca34b0ddc1dc
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SSDEEP
12288:VrOp+Ri3AgFdEswhJL6+pt8dQ9Hn/9J2bnDiFe1VQddXkAFEDQheJiySyOtt3MKD:7Q3AgEXhJL60t8Qb2DWY12dNhui13/BR
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
zqamcx.com - Port:
587 - Username:
[email protected] - Password:
Methodman991 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2788 powershell.exe 2832 powershell.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1528 set thread context of 2632 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 37 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Musterino_94372478_Ekno_101_20241031410530_ekstre.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Musterino_94372478_Ekno_101_20241031410530_ekstre.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3004 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 2632 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 2632 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 2832 powershell.exe 2788 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe Token: SeDebugPrivilege 2632 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe Token: SeDebugPrivilege 2832 powershell.exe Token: SeDebugPrivilege 2788 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2632 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1528 wrote to memory of 2832 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 31 PID 1528 wrote to memory of 2832 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 31 PID 1528 wrote to memory of 2832 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 31 PID 1528 wrote to memory of 2832 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 31 PID 1528 wrote to memory of 2788 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 33 PID 1528 wrote to memory of 2788 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 33 PID 1528 wrote to memory of 2788 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 33 PID 1528 wrote to memory of 2788 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 33 PID 1528 wrote to memory of 3004 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 35 PID 1528 wrote to memory of 3004 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 35 PID 1528 wrote to memory of 3004 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 35 PID 1528 wrote to memory of 3004 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 35 PID 1528 wrote to memory of 2632 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 37 PID 1528 wrote to memory of 2632 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 37 PID 1528 wrote to memory of 2632 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 37 PID 1528 wrote to memory of 2632 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 37 PID 1528 wrote to memory of 2632 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 37 PID 1528 wrote to memory of 2632 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 37 PID 1528 wrote to memory of 2632 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 37 PID 1528 wrote to memory of 2632 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 37 PID 1528 wrote to memory of 2632 1528 Musterino_94372478_Ekno_101_20241031410530_ekstre.exe 37
Processes
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C:\Users\Admin\AppData\Local\Temp\Musterino_94372478_Ekno_101_20241031410530_ekstre.exe"C:\Users\Admin\AppData\Local\Temp\Musterino_94372478_Ekno_101_20241031410530_ekstre.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1528 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Musterino_94372478_Ekno_101_20241031410530_ekstre.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2832
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\imOLmwQ.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2788
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\imOLmwQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3958.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:3004
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C:\Users\Admin\AppData\Local\Temp\Musterino_94372478_Ekno_101_20241031410530_ekstre.exe"C:\Users\Admin\AppData\Local\Temp\Musterino_94372478_Ekno_101_20241031410530_ekstre.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2632
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD57bc4a9cffa18cd0b98eef1eee67b53aa
SHA10ed2a64c76c7e5e14dbcb4c991857d9489b1743d
SHA25631c557e6807d10e0e73026acb4d831437bd01c774368ea081a5f7144f659f727
SHA512fead35f99e7372131f33e7c2cd447ddc8717e19c9fbd62c99d8bc0bde480e1b3f3c3446b94df3fe995e6957341de1f8cc30ed39d1676f216f1bd115157f0863d
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD5553a2ed2681ed24d6aebe120f1356600
SHA181048440d8eef8e24ed00c8c195da39504a65d64
SHA256ff4bb3cea8f69bf1504b0cfa07f707436a27619ab8923216d8aac057ace29fc8
SHA512ad80bacdb14fa9f8faa3ee226a98ae7ee433282cf5247cdbfdbda71a41a76f53b2ff649467a2781e06cf63265e09f9198cb3cab720faffa41fa9966e8291546c