Analysis
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max time kernel
131s -
max time network
124s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
27-07-2021 12:05
Static task
static1
Behavioral task
behavioral1
Sample
SOA.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
SOA.exe
Resource
win10v20210410
General
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Target
SOA.exe
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Size
804KB
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MD5
60183d985a20da08edde84ad283fdb57
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SHA1
fa905171e489e10068ba2853fcf8c83865019283
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SHA256
0663ffc968c7a2870e7c3234b4c2c2c5bae705a12a1f84ff4527af8d8b9466e5
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SHA512
074645a61274efa80eb6451abd37628fef9d15ff889cdc6fb6da74baf2514160e8d0f049c4927fa3890baaa031f945dbdd03604535d4cb26374f38c6db406cff
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
Mail.jingtai.com.vn - Port:
587 - Username:
markhung@jingtai.com.vn - Password:
truongtuyen2209
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/412-67-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla behavioral1/memory/412-68-0x000000000043768E-mapping.dmp family_agenttesla behavioral1/memory/412-69-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla -
Drops file in Drivers directory 1 IoCs
Processes:
SOA.exedescription ioc process File opened for modification C:\Windows\system32\drivers\etc\hosts SOA.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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
SOA.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\hgvQCmQ = "C:\\Users\\Admin\\AppData\\Roaming\\hgvQCmQ\\hgvQCmQ.exe" SOA.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
SOA.exedescription pid process target process PID 752 set thread context of 412 752 SOA.exe SOA.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:
SOA.exepid process 412 SOA.exe 412 SOA.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
SOA.exedescription pid process Token: SeDebugPrivilege 412 SOA.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
SOA.exedescription pid process target process PID 752 wrote to memory of 1020 752 SOA.exe schtasks.exe PID 752 wrote to memory of 1020 752 SOA.exe schtasks.exe PID 752 wrote to memory of 1020 752 SOA.exe schtasks.exe PID 752 wrote to memory of 1020 752 SOA.exe schtasks.exe PID 752 wrote to memory of 412 752 SOA.exe SOA.exe PID 752 wrote to memory of 412 752 SOA.exe SOA.exe PID 752 wrote to memory of 412 752 SOA.exe SOA.exe PID 752 wrote to memory of 412 752 SOA.exe SOA.exe PID 752 wrote to memory of 412 752 SOA.exe SOA.exe PID 752 wrote to memory of 412 752 SOA.exe SOA.exe PID 752 wrote to memory of 412 752 SOA.exe SOA.exe PID 752 wrote to memory of 412 752 SOA.exe SOA.exe PID 752 wrote to memory of 412 752 SOA.exe SOA.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SOA.exe"C:\Users\Admin\AppData\Local\Temp\SOA.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\kzsOkRNINsZo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB403.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SOA.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- 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\tmpB403.tmpMD5
bdc18d0a348fe520d402e307e596dbba
SHA1da94ef520c4a4c7794c1e48467116c7c203eea5a
SHA2565a9df1dbb484dbc1fcd41758d6dd15b29788dac5b70f359e766db40e30106c22
SHA512a311688e61c8569d4042528a30913c973cd4bc2ed74e7e2ffc3e3d60c65802cb96a2f006daf6f56ff2930eb431b25a10a554412d707719a15986200a8de1a82e
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memory/412-67-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/412-68-0x000000000043768E-mapping.dmp
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memory/412-69-0x0000000000400000-0x000000000043C000-memory.dmpFilesize
240KB
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memory/412-71-0x0000000004270000-0x0000000004271000-memory.dmpFilesize
4KB
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memory/412-72-0x0000000004271000-0x0000000004272000-memory.dmpFilesize
4KB
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memory/752-59-0x0000000000CC0000-0x0000000000CC1000-memory.dmpFilesize
4KB
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memory/752-61-0x0000000004CE0000-0x0000000004CE1000-memory.dmpFilesize
4KB
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memory/752-62-0x00000000008C0000-0x00000000008C2000-memory.dmpFilesize
8KB
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memory/752-63-0x0000000007EC0000-0x0000000007F43000-memory.dmpFilesize
524KB
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memory/752-64-0x0000000000B80000-0x0000000000BBD000-memory.dmpFilesize
244KB
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memory/1020-65-0x0000000000000000-mapping.dmp