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Analysis
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max time kernel
132s -
max time network
118s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
04/05/2024, 07:51
Static task
static1
Behavioral task
behavioral1
Sample
DHL_734825514200.exe
Resource
win7-20240215-en
General
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Target
DHL_734825514200.exe
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Size
686KB
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MD5
209a4f5760d18041ad0d41d5dde74cd0
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SHA1
a45548c688febe40a1608c2b1f6193e612a5ee0d
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SHA256
37ac69abe12f3ec977df53efd9e10a1c2f40eba5fab217cbce4e0fb5452c669f
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SHA512
67e1600d83d924c09f16d95f4db9d58139e062360711c217d9cbf21aff17004526d4b2266211ba41c686ff3debc4839e0688128c27bdb70f5c708ebf9f837760
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SSDEEP
12288:83/T3/fVrTtK3/KMq2g3aNizWHrFqR1OfeN359bEn8+D5L/1at1Q/BaK6DPcEOkY:8rXVrTtKjr0sfeNu5jMt2kDEEHIe+
Malware Config
Extracted
Protocol: smtp- Host:
mail.saludsanjuan.cl - Port:
587 - Username:
[email protected] - Password:
*Direcdesam&
Extracted
agenttesla
Protocol: smtp- Host:
mail.saludsanjuan.cl - Port:
587 - Username:
[email protected] - Password:
*Direcdesam& - 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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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 624 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-1-5-21-2860750803-256193626-1801997576-1000\Control Panel\International\Geo\Nation DHL_734825514200.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 2264 set thread context of 3456 2264 DHL_734825514200.exe 98 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2264 DHL_734825514200.exe 2264 DHL_734825514200.exe 3456 DHL_734825514200.exe 3456 DHL_734825514200.exe 3456 DHL_734825514200.exe 3456 DHL_734825514200.exe 624 powershell.exe 624 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2264 DHL_734825514200.exe Token: SeDebugPrivilege 3456 DHL_734825514200.exe Token: SeDebugPrivilege 624 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2264 wrote to memory of 624 2264 DHL_734825514200.exe 96 PID 2264 wrote to memory of 624 2264 DHL_734825514200.exe 96 PID 2264 wrote to memory of 624 2264 DHL_734825514200.exe 96 PID 2264 wrote to memory of 3456 2264 DHL_734825514200.exe 98 PID 2264 wrote to memory of 3456 2264 DHL_734825514200.exe 98 PID 2264 wrote to memory of 3456 2264 DHL_734825514200.exe 98 PID 2264 wrote to memory of 3456 2264 DHL_734825514200.exe 98 PID 2264 wrote to memory of 3456 2264 DHL_734825514200.exe 98 PID 2264 wrote to memory of 3456 2264 DHL_734825514200.exe 98 PID 2264 wrote to memory of 3456 2264 DHL_734825514200.exe 98 PID 2264 wrote to memory of 3456 2264 DHL_734825514200.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL_734825514200.exe"C:\Users\Admin\AppData\Local\Temp\DHL_734825514200.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2264 -
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\DHL_734825514200.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:624
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C:\Users\Admin\AppData\Local\Temp\DHL_734825514200.exe"C:\Users\Admin\AppData\Local\Temp\DHL_734825514200.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3456
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82