Analysis
- max time kernel
149s - max time network
52s - platform
windows10_x64 - resource
win10v200430 - 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 2 IoCs
resource yara_rule behavioral2/memory/2184-7-0x0000000000770000-0x0000000000C17000-memory.dmp family_agenttesla behavioral2/memory/2184-8-0x00000000007B750E-mapping.dmp family_agenttesla - Executes dropped EXE 2 IoCs
pid Process 1100 ofheskgpp.pif 2184 RegSvcs.exe - 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 1100 set thread context of 2184 1100 ofheskgpp.pif 69 - 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 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 2184 RegSvcs.exe 2184 RegSvcs.exe 2184 RegSvcs.exe 2184 RegSvcs.exe 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 2184 RegSvcs.exe 2184 RegSvcs.exe 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif 1100 ofheskgpp.pif - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2184 RegSvcs.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2184 RegSvcs.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3656 wrote to memory of 1100 3656 Payment Slip.exe 66 PID 3656 wrote to memory of 1100 3656 Payment Slip.exe 66 PID 3656 wrote to memory of 1100 3656 Payment Slip.exe 66 PID 1100 wrote to memory of 2184 1100 ofheskgpp.pif 69 PID 1100 wrote to memory of 2184 1100 ofheskgpp.pif 69 PID 1100 wrote to memory of 2184 1100 ofheskgpp.pif 69 PID 1100 wrote to memory of 2184 1100 ofheskgpp.pif 69 PID 1100 wrote to memory of 2184 1100 ofheskgpp.pif 69
Processes
-
C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"C:\Users\Admin\AppData\Local\Temp\Payment Slip.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3656 -
C:\52895146\ofheskgpp.pif"C:\52895146\ofheskgpp.pif" wpduwhusm.mhf2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1100 -
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:2184
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