Analysis
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max time kernel
117s -
max time network
119s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
15-09-2024 11:25
Static task
static1
Behavioral task
behavioral1
Sample
msBXjHgLiqGMHCU.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
msBXjHgLiqGMHCU.exe
Resource
win10v2004-20240802-en
General
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Target
msBXjHgLiqGMHCU.exe
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Size
755KB
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MD5
49a1b7551dcb6332880de16b36be8015
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SHA1
f14439e569ab7bdde5f50e1a430fdfc150fd45d2
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SHA256
8722d9be017fd945c9ace288f405051fd8ced8c141cadf680448d4e6cd5bf8ac
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SHA512
a4d88e90e5aa53eb9d07b3527e1c4835c0a1cc2f2566a941da6e73cc1ded4c365faada34cf8cb632e2d4d2bce285f2b964962e944ad5fcb31cb9ebc8c1a1c940
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SSDEEP
12288:UytYRaUnn/ccM2iYx019cfbIX3sOZ6zHiit9ZSM+cYyvN+m5VbzODW151ZkR:5YgUkcX0/cfS8OZ6zHvocFPVHSg1E
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
aowapnzgtwgqowgt
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
aowapnzgtwgqowgt - 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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 4020 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation msBXjHgLiqGMHCU.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 2 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 3020 set thread context of 1792 3020 msBXjHgLiqGMHCU.exe 96 -
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 3 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 msBXjHgLiqGMHCU.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language msBXjHgLiqGMHCU.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1792 msBXjHgLiqGMHCU.exe 1792 msBXjHgLiqGMHCU.exe 4020 powershell.exe 4020 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1792 msBXjHgLiqGMHCU.exe Token: SeDebugPrivilege 4020 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3020 wrote to memory of 4020 3020 msBXjHgLiqGMHCU.exe 94 PID 3020 wrote to memory of 4020 3020 msBXjHgLiqGMHCU.exe 94 PID 3020 wrote to memory of 4020 3020 msBXjHgLiqGMHCU.exe 94 PID 3020 wrote to memory of 1792 3020 msBXjHgLiqGMHCU.exe 96 PID 3020 wrote to memory of 1792 3020 msBXjHgLiqGMHCU.exe 96 PID 3020 wrote to memory of 1792 3020 msBXjHgLiqGMHCU.exe 96 PID 3020 wrote to memory of 1792 3020 msBXjHgLiqGMHCU.exe 96 PID 3020 wrote to memory of 1792 3020 msBXjHgLiqGMHCU.exe 96 PID 3020 wrote to memory of 1792 3020 msBXjHgLiqGMHCU.exe 96 PID 3020 wrote to memory of 1792 3020 msBXjHgLiqGMHCU.exe 96 PID 3020 wrote to memory of 1792 3020 msBXjHgLiqGMHCU.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\msBXjHgLiqGMHCU.exe"C:\Users\Admin\AppData\Local\Temp\msBXjHgLiqGMHCU.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3020 -
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\msBXjHgLiqGMHCU.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4020
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C:\Users\Admin\AppData\Local\Temp\msBXjHgLiqGMHCU.exe"C:\Users\Admin\AppData\Local\Temp\msBXjHgLiqGMHCU.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1792
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Network
MITRE ATT&CK Enterprise v15
Credential 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
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82