Analysis
- max time kernel
134s - max time network
135s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 20:41
Static task
static1
Behavioral task
behavioral1
Sample
CTC Int'l Group ORDER Nº. 19146.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
CTC Int'l Group ORDER Nº. 19146.exe
Resource
win10v20201028
General
- Target CTC Int'l Group ORDER Nº. 19146.exe
- Size 465KB
- Sample201109-3resp7kxwe
- SHA256 9ff16ce8c4c4391af430eedc58a23ea4d004c597a7ee79790896bdff9abe7700
- MD5 9343fa14ad82a71a74e286a159acb84b
- SHA1 c516c0f69915548e352bf4716d99e399a9449b5b
- SHA512 60d1934d5cc7043fa09f6333e95e2893ae8fd6053b090b4135bbb373e24bfa527ec1ce0d59c9778850397767223494c19584d1dd97b92ad15f4b4487a8300456
- MD5 SHA1 SHA512
Malware Config
Extracted
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Protocol
smtp
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Host
smtp.yandex.com
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Port
587
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Username
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Password
Swagger22
Extracted
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agenttesla
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Protocol
smtp
-
Host
smtp.yandex.com
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Port
587
-
Username
-
Password
Swagger22
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/1308-2-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral2/memory/1308-3-0x000000000044C9DE-mapping.dmp family_agenttesla - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 416 set thread context of 1308 416 CTC Int'l Group ORDER Nº. 19146.exe 81 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 188 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 416 CTC Int'l Group ORDER Nº. 19146.exe 416 CTC Int'l Group ORDER Nº. 19146.exe 1308 CTC Int'l Group ORDER Nº. 19146.exe 1308 CTC Int'l Group ORDER Nº. 19146.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 416 CTC Int'l Group ORDER Nº. 19146.exe Token: SeDebugPrivilege 1308 CTC Int'l Group ORDER Nº. 19146.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1308 CTC Int'l Group ORDER Nº. 19146.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 416 wrote to memory of 188 416 CTC Int'l Group ORDER Nº. 19146.exe 78 PID 416 wrote to memory of 188 416 CTC Int'l Group ORDER Nº. 19146.exe 78 PID 416 wrote to memory of 188 416 CTC Int'l Group ORDER Nº. 19146.exe 78 PID 416 wrote to memory of 936 416 CTC Int'l Group ORDER Nº. 19146.exe 80 PID 416 wrote to memory of 936 416 CTC Int'l Group ORDER Nº. 19146.exe 80 PID 416 wrote to memory of 936 416 CTC Int'l Group ORDER Nº. 19146.exe 80 PID 416 wrote to memory of 1308 416 CTC Int'l Group ORDER Nº. 19146.exe 81 PID 416 wrote to memory of 1308 416 CTC Int'l Group ORDER Nº. 19146.exe 81 PID 416 wrote to memory of 1308 416 CTC Int'l Group ORDER Nº. 19146.exe 81 PID 416 wrote to memory of 1308 416 CTC Int'l Group ORDER Nº. 19146.exe 81 PID 416 wrote to memory of 1308 416 CTC Int'l Group ORDER Nº. 19146.exe 81 PID 416 wrote to memory of 1308 416 CTC Int'l Group ORDER Nº. 19146.exe 81 PID 416 wrote to memory of 1308 416 CTC Int'l Group ORDER Nº. 19146.exe 81 PID 416 wrote to memory of 1308 416 CTC Int'l Group ORDER Nº. 19146.exe 81 PID 1308 wrote to memory of 2104 1308 CTC Int'l Group ORDER Nº. 19146.exe 83 PID 1308 wrote to memory of 2104 1308 CTC Int'l Group ORDER Nº. 19146.exe 83 PID 1308 wrote to memory of 2104 1308 CTC Int'l Group ORDER Nº. 19146.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\CTC Int'l Group ORDER Nº. 19146.exe"C:\Users\Admin\AppData\Local\Temp\CTC Int'l Group ORDER Nº. 19146.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:416 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GpYNPPNgNSJJs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5AE.tmp"2⤵
- Creates scheduled task(s)
PID:188
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C:\Users\Admin\AppData\Local\Temp\CTC Int'l Group ORDER Nº. 19146.exe"{path}"2⤵PID:936
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C:\Users\Admin\AppData\Local\Temp\CTC Int'l Group ORDER Nº. 19146.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1308 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:2104
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