Analysis
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max time kernel
72s -
max time network
53s -
platform
windows7_x64 -
resource
win7 -
submitted
30-06-2020 06:46
Static task
static1
Behavioral task
behavioral1
Sample
200004396.exe
Resource
win7
Behavioral task
behavioral2
Sample
200004396.exe
Resource
win10v200430
General
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Target
200004396.exe
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Size
399KB
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MD5
7e90e5f5106e876f9f080b224cbc069d
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SHA1
8e52b1163bcc86538aa8beb66166cba9c1ee426c
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SHA256
7ac2dee76520e25a21918a6ee79eedaf1a9de51aaee643d21d9cf6346451555e
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SHA512
4f60c309c6abb4757b68261736a4ab0eb14252316ee673e872080c323a89be6761139b0e95fdafdc8eb05e14a99aa74d21c735a35182f808fcb76f3eb12f2d0f
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.ru - Port:
587 - Username:
f.grac3@yandex.ru - Password:
HYBRID@@@
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
Processes:
resource yara_rule behavioral1/memory/1580-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1580-3-0x0000000000446A4E-mapping.dmp family_agenttesla behavioral1/memory/1580-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1580-5-0x0000000000400000-0x000000000044C000-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:
200004396.exedescription pid process target process PID 1156 set thread context of 1580 1156 200004396.exe 200004396.exe -
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.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
200004396.exepid process 1580 200004396.exe 1580 200004396.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
200004396.exedescription pid process Token: SeDebugPrivilege 1580 200004396.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
200004396.exedescription pid process target process PID 1156 wrote to memory of 1372 1156 200004396.exe schtasks.exe PID 1156 wrote to memory of 1372 1156 200004396.exe schtasks.exe PID 1156 wrote to memory of 1372 1156 200004396.exe schtasks.exe PID 1156 wrote to memory of 1372 1156 200004396.exe schtasks.exe PID 1156 wrote to memory of 1580 1156 200004396.exe 200004396.exe PID 1156 wrote to memory of 1580 1156 200004396.exe 200004396.exe PID 1156 wrote to memory of 1580 1156 200004396.exe 200004396.exe PID 1156 wrote to memory of 1580 1156 200004396.exe 200004396.exe PID 1156 wrote to memory of 1580 1156 200004396.exe 200004396.exe PID 1156 wrote to memory of 1580 1156 200004396.exe 200004396.exe PID 1156 wrote to memory of 1580 1156 200004396.exe 200004396.exe PID 1156 wrote to memory of 1580 1156 200004396.exe 200004396.exe PID 1156 wrote to memory of 1580 1156 200004396.exe 200004396.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\200004396.exe"C:\Users\Admin\AppData\Local\Temp\200004396.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OegXSQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA62D.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\200004396.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpA62D.tmpMD5
8628f0de23647c75dee123b4313567d0
SHA160223a776721573df11528022fdd51299f8167f5
SHA2566dc1d8527e66d213b4631f98166b2c124184b09b94989d827be9caeaf427b0bf
SHA5123629b7d81d81d93a51cc1940b32092538fb1117bce419063c46fdf4dacdb7ce7a7d3d471837ab3fd698bc89769482ff687b6326a3e80a08872116d311e042643
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memory/1372-0-0x0000000000000000-mapping.dmp
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memory/1580-2-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1580-3-0x0000000000446A4E-mapping.dmp
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memory/1580-4-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/1580-5-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB