Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
19-06-2024 12:10
Static task
static1
Behavioral task
behavioral1
Sample
BID DOCUMENTS.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
BID DOCUMENTS.exe
Resource
win10v2004-20240226-en
General
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Target
BID DOCUMENTS.exe
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Size
3.1MB
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MD5
27b4e1027f528cd02d8126d8d19372f5
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SHA1
bec8b318bce37e293d5356ba56b382346470a236
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SHA256
92db2a8c9016383ace39beace9156fc9aea2c95313ad91a3eed5bf96329f8ba1
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SHA512
9972cbd9a2d4e8a141839c75df1d1b5afccb98ce207e1fe7fe6969e4d211111364475215d2bf7f7329f57c0045085582951642e9e486caabf015cf4711b2280e
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SSDEEP
12288:+V+aq6L4afWowT8m+D8x3/BT6DCXsyFk/VbvcEiGEXEw/LMQ5VCy2+:KxfwTuDS/V6W96tbvyUoL35VCy2+
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.kxnlaos.com - Port:
587 - Username:
[email protected] - Password:
eDe~fz;Cy0{W - 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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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
Processes:
BID DOCUMENTS.exedescription pid Process procid_target PID 2332 set thread context of 2944 2332 BID DOCUMENTS.exe 29 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regasm.exepid Process 2944 regasm.exe 2944 regasm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
regasm.exedescription pid Process Token: SeDebugPrivilege 2944 regasm.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
BID DOCUMENTS.exedescription pid Process procid_target PID 2332 wrote to memory of 2632 2332 BID DOCUMENTS.exe 28 PID 2332 wrote to memory of 2632 2332 BID DOCUMENTS.exe 28 PID 2332 wrote to memory of 2632 2332 BID DOCUMENTS.exe 28 PID 2332 wrote to memory of 2632 2332 BID DOCUMENTS.exe 28 PID 2332 wrote to memory of 2944 2332 BID DOCUMENTS.exe 29 PID 2332 wrote to memory of 2944 2332 BID DOCUMENTS.exe 29 PID 2332 wrote to memory of 2944 2332 BID DOCUMENTS.exe 29 PID 2332 wrote to memory of 2944 2332 BID DOCUMENTS.exe 29 PID 2332 wrote to memory of 2944 2332 BID DOCUMENTS.exe 29 PID 2332 wrote to memory of 2944 2332 BID DOCUMENTS.exe 29 PID 2332 wrote to memory of 2944 2332 BID DOCUMENTS.exe 29 PID 2332 wrote to memory of 2944 2332 BID DOCUMENTS.exe 29 PID 2332 wrote to memory of 2944 2332 BID DOCUMENTS.exe 29 PID 2332 wrote to memory of 2944 2332 BID DOCUMENTS.exe 29 PID 2332 wrote to memory of 2944 2332 BID DOCUMENTS.exe 29 PID 2332 wrote to memory of 2944 2332 BID DOCUMENTS.exe 29 PID 2332 wrote to memory of 2760 2332 BID DOCUMENTS.exe 30 PID 2332 wrote to memory of 2760 2332 BID DOCUMENTS.exe 30 PID 2332 wrote to memory of 2760 2332 BID DOCUMENTS.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe"C:\Users\Admin\AppData\Local\Temp\BID DOCUMENTS.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2332 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"2⤵PID:2632
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2944
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2332 -s 6402⤵PID:2760
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