Analysis
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max time kernel
103s -
max time network
11s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
25-01-2021 06:20
Static task
static1
Behavioral task
behavioral1
Sample
mr kesh.bat.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
mr kesh.bat.exe
Resource
win10v20201028
General
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Target
mr kesh.bat.exe
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Size
8KB
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MD5
8f5ed14139e843b49ca8fd1a09d66b56
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SHA1
58897570838af026f2d15daf699ae19f296a41e6
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SHA256
f0a3247dd909ae3c546e45891109b28ea158c0be38913a658b065e980f48a991
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SHA512
f261f0a5855fda972856c209e25b4cf782b566bab7fee3922e5e8a088beeef952a1d4eaf625743b8a4f9574e0d991883ec779190ab7b186c4167a171d54c6255
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.atol.co.in - Port:
587 - Username:
[email protected] - Password:
TCdzm5MGsW
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1328-7-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/1328-8-0x00000000004375EE-mapping.dmp family_agenttesla behavioral1/memory/1328-10-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
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:
mr kesh.bat.exedescription pid process target process PID 1108 set thread context of 1328 1108 mr kesh.bat.exe mr kesh.bat.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
mr kesh.bat.exepid process 1328 mr kesh.bat.exe 1328 mr kesh.bat.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
mr kesh.bat.exemr kesh.bat.exedescription pid process Token: SeDebugPrivilege 1108 mr kesh.bat.exe Token: SeDebugPrivilege 1328 mr kesh.bat.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
mr kesh.bat.exepid process 1328 mr kesh.bat.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
mr kesh.bat.exedescription pid process target process PID 1108 wrote to memory of 1328 1108 mr kesh.bat.exe mr kesh.bat.exe PID 1108 wrote to memory of 1328 1108 mr kesh.bat.exe mr kesh.bat.exe PID 1108 wrote to memory of 1328 1108 mr kesh.bat.exe mr kesh.bat.exe PID 1108 wrote to memory of 1328 1108 mr kesh.bat.exe mr kesh.bat.exe PID 1108 wrote to memory of 1328 1108 mr kesh.bat.exe mr kesh.bat.exe PID 1108 wrote to memory of 1328 1108 mr kesh.bat.exe mr kesh.bat.exe PID 1108 wrote to memory of 1328 1108 mr kesh.bat.exe mr kesh.bat.exe PID 1108 wrote to memory of 1328 1108 mr kesh.bat.exe mr kesh.bat.exe PID 1108 wrote to memory of 1328 1108 mr kesh.bat.exe mr kesh.bat.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\mr kesh.bat.exe"C:\Users\Admin\AppData\Local\Temp\mr kesh.bat.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1108 -
C:\Users\Admin\AppData\Local\Temp\mr kesh.bat.exe"C:\Users\Admin\AppData\Local\Temp\mr kesh.bat.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1328
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