Analysis
- max time kernel
150s - max time network
75s - platform
windows7_x64 - resource
win7 - submitted
12/07/2020, 16:29
Static task
static1
Behavioral task
behavioral1
Sample
Payment Slip.exe
Resource
win7
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Payment Slip.exe
Resource
win10v200430
windows10_x64
0 signatures
0 seconds
General
- Target Payment Slip.exe
- Size 1.2MB
- Sample200712-yrgcf4eyns
- SHA256 8d5d64d7fe461ea3d2c4ef989b5919dd74f0d7a5803fcaeb23bda4d815f22d83
- MD5 02bd06cc6b96833379e8cf6cccb32059
- SHA1 3d9ad38d59e364d787db741a58bf2d0527f0bf25
- SHA512 5482f466023f832e60dc29a8f283c59ca5f956a7b6012cef3045eb493490a4b99400349ef1da960006c80967fe75a91ddf2ab425247e2ed2cf757804ddd16fd5
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
esut96092
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/1812-9-0x0000000000350000-0x00000000009D8000-memory.dmp family_agenttesla behavioral1/memory/1812-10-0x000000000039750E-mapping.dmp family_agenttesla behavioral1/memory/1812-12-0x0000000000350000-0x00000000009D8000-memory.dmp family_agenttesla behavioral1/memory/1812-13-0x0000000000350000-0x00000000009D8000-memory.dmp family_agenttesla - Executes dropped EXE 2 IoCs
pid Process 1064 ofheskgpp.pif 1812 RegSvcs.exe - Loads dropped DLL 5 IoCs
pid Process 616 Payment Slip.exe 616 Payment Slip.exe 616 Payment Slip.exe 616 Payment Slip.exe 1064 ofheskgpp.pif - 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.
- Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run ofheskgpp.pif Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\file.exe = "c:\\52895146\\OFHESK~1.PIF c:\\52895146\\WPDUWH~1.MHF" ofheskgpp.pif - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1064 set thread context of 1812 1064 ofheskgpp.pif 25 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1812 RegSvcs.exe 1812 RegSvcs.exe 1812 RegSvcs.exe 1812 RegSvcs.exe 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1812 RegSvcs.exe 1812 RegSvcs.exe 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif 1064 ofheskgpp.pif - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1812 RegSvcs.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1812 RegSvcs.exe - Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 616 wrote to memory of 1064 616 Payment Slip.exe 24 PID 616 wrote to memory of 1064 616 Payment Slip.exe 24 PID 616 wrote to memory of 1064 616 Payment Slip.exe 24 PID 616 wrote to memory of 1064 616 Payment Slip.exe 24 PID 1064 wrote to memory of 1812 1064 ofheskgpp.pif 25 PID 1064 wrote to memory of 1812 1064 ofheskgpp.pif 25 PID 1064 wrote to memory of 1812 1064 ofheskgpp.pif 25 PID 1064 wrote to memory of 1812 1064 ofheskgpp.pif 25 PID 1064 wrote to memory of 1812 1064 ofheskgpp.pif 25 PID 1064 wrote to memory of 1812 1064 ofheskgpp.pif 25 PID 1064 wrote to memory of 1812 1064 ofheskgpp.pif 25 PID 1064 wrote to memory of 1812 1064 ofheskgpp.pif 25 PID 1064 wrote to memory of 1812 1064 ofheskgpp.pif 25
Processes
-
C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:616 -
C:\52895146\ofheskgpp.pif"C:\52895146\ofheskgpp.pif" wpduwhusm.mhf2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1812
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