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Analysis
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max time kernel
86s -
max time network
75s -
platform
windows7_x64 -
resource
win7 -
submitted
07/07/2020, 09:07
Static task
static1
Behavioral task
behavioral1
Sample
invois 002012001864 bertarikh 07072020.exe
Resource
win7
Behavioral task
behavioral2
Sample
invois 002012001864 bertarikh 07072020.exe
Resource
win10v200430
General
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Target
invois 002012001864 bertarikh 07072020.exe
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Size
579KB
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MD5
d662aab0cfa82462427ecf5131a40d87
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SHA1
a03cc1baca5712b05999f83264106f4bcfee4395
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SHA256
cfe3e39344160f0c067bbcb411a123e112df412019426aa3fc665ceb7c173f0e
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SHA512
2772d9492e1c40ce2eb3cfbc6c330118b02f331b7ce5193f18c318b1eeb7c01df7c5e8df41ea1a554169972a00b139e2bcccc3c0da92a1a8438d1e22da1b2807
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.protege.com.mx - Port:
587 - Username:
[email protected] - Password:
se*-V
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/748-4-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/748-5-0x000000000044C7DE-mapping.dmp family_agenttesla behavioral1/memory/748-6-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/748-7-0x0000000000400000-0x0000000000452000-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
description pid Process procid_target PID 616 set thread context of 748 616 invois 002012001864 bertarikh 07072020.exe 26 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 864 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 748 invois 002012001864 bertarikh 07072020.exe 748 invois 002012001864 bertarikh 07072020.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 748 invois 002012001864 bertarikh 07072020.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 616 wrote to memory of 864 616 invois 002012001864 bertarikh 07072020.exe 24 PID 616 wrote to memory of 864 616 invois 002012001864 bertarikh 07072020.exe 24 PID 616 wrote to memory of 864 616 invois 002012001864 bertarikh 07072020.exe 24 PID 616 wrote to memory of 864 616 invois 002012001864 bertarikh 07072020.exe 24 PID 616 wrote to memory of 748 616 invois 002012001864 bertarikh 07072020.exe 26 PID 616 wrote to memory of 748 616 invois 002012001864 bertarikh 07072020.exe 26 PID 616 wrote to memory of 748 616 invois 002012001864 bertarikh 07072020.exe 26 PID 616 wrote to memory of 748 616 invois 002012001864 bertarikh 07072020.exe 26 PID 616 wrote to memory of 748 616 invois 002012001864 bertarikh 07072020.exe 26 PID 616 wrote to memory of 748 616 invois 002012001864 bertarikh 07072020.exe 26 PID 616 wrote to memory of 748 616 invois 002012001864 bertarikh 07072020.exe 26 PID 616 wrote to memory of 748 616 invois 002012001864 bertarikh 07072020.exe 26 PID 616 wrote to memory of 748 616 invois 002012001864 bertarikh 07072020.exe 26 PID 748 wrote to memory of 1896 748 invois 002012001864 bertarikh 07072020.exe 30 PID 748 wrote to memory of 1896 748 invois 002012001864 bertarikh 07072020.exe 30 PID 748 wrote to memory of 1896 748 invois 002012001864 bertarikh 07072020.exe 30 PID 748 wrote to memory of 1896 748 invois 002012001864 bertarikh 07072020.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\invois 002012001864 bertarikh 07072020.exe"C:\Users\Admin\AppData\Local\Temp\invois 002012001864 bertarikh 07072020.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:616 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YwwiOqPRAg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8313.tmp"2⤵
- Creates scheduled task(s)
PID:864
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C:\Users\Admin\AppData\Local\Temp\invois 002012001864 bertarikh 07072020.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:748 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:1896
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