Analysis
- max time kernel
149s - max time network
63s - platform
windows10_x64 - resource
win10v200722 - submitted
03/08/2020, 13:11
Static task
static1
Behavioral task
behavioral1
Sample
Request for quote#6000045942.exe
Resource
win7
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
Request for quote#6000045942.exe
Resource
win10v200722
windows10_x64
0 signatures
0 seconds
General
- Target Request for quote#6000045942.exe
- Size 1.1MB
- Sample200803-zbd6a2eb26
- SHA256 0dea8bae5ab19f84a596f05732d91b60a1fa93cae6dfbbc1166d127c3e2834a0
- MD5 1b02385b86bc6d8cd57ea6c333648549
- SHA1 c6dfc4b9b49fa3b24bb64198f4acf0fd67cda954
- SHA512 4f6cacdd9df13d5b2116add0c17c37250f276a506ec5f9fd307eca3c026b394af0f1578950e0a973151a451c3d44edd9ed9cd53edb913b080cc7197f77035eb5
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
akunaesiobike
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
resource yara_rule behavioral2/memory/1744-6-0x0000000001100000-0x000000000167F000-memory.dmp family_agenttesla behavioral2/memory/1744-7-0x0000000001146F3E-mapping.dmp family_agenttesla - Executes dropped EXE 2 IoCs
pid Process 1244 wwhkrv.pif 1744 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 wwhkrv.pif Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\winlpogon.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\17452041\\wwhkrv.pif C:\\Users\\Admin\\AppData\\Local\\Temp\\17452041\\ulmjnw.fcd" wwhkrv.pif - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1244 set thread context of 1744 1244 wwhkrv.pif 68 - 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 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1744 RegSvcs.exe 1744 RegSvcs.exe 1744 RegSvcs.exe 1744 RegSvcs.exe 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1744 RegSvcs.exe 1744 RegSvcs.exe 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif 1244 wwhkrv.pif - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1744 RegSvcs.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1744 RegSvcs.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2164 wrote to memory of 1244 2164 Request for quote#6000045942.exe 66 PID 2164 wrote to memory of 1244 2164 Request for quote#6000045942.exe 66 PID 2164 wrote to memory of 1244 2164 Request for quote#6000045942.exe 66 PID 1244 wrote to memory of 1744 1244 wwhkrv.pif 68 PID 1244 wrote to memory of 1744 1244 wwhkrv.pif 68 PID 1244 wrote to memory of 1744 1244 wwhkrv.pif 68 PID 1244 wrote to memory of 1744 1244 wwhkrv.pif 68 PID 1244 wrote to memory of 1744 1244 wwhkrv.pif 68
Processes
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C:\Users\Admin\AppData\Local\Temp\Request for quote#6000045942.exe"C:\Users\Admin\AppData\Local\Temp\Request for quote#6000045942.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2164 -
C:\Users\Admin\AppData\Local\Temp\17452041\wwhkrv.pif"C:\Users\Admin\AppData\Local\Temp\17452041\wwhkrv.pif" ulmjnw.fcd2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1244 -
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:1744
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