masslogger | dace2f4b76d741282866cb3e5038e7b2008817ed8f7079d5d764099be01d34bb

General

Target
KPmhGSHXD1wimFC.exe
Size 992KB
Sample200714-528nlhhctx
SHA256 dace2f4b76d741282866cb3e5038e7b2008817ed8f7079d5d764099be01d34bb
MD5 85ab3d51b6eff203312f462c3fbf9949
SHA1 1d0bc22e301e8f90f34ef3487da286dd34895035
SHA512 758043f044983be55a9885eae098bf7af99ba714e932734f8444d77684c6874e328af2d5abd0b72e6c8d9e6f5dfe70e943e47632a3b0794a4754d54761cc63b3
MD5 SHA1 SHA512

Score

10^/10

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1780	KPmhGSHXD1wimFC.exe
1780	KPmhGSHXD1wimFC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1780	KPmhGSHXD1wimFC.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1780	KPmhGSHXD1wimFC.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 892 set thread context of 1780	892	KPmhGSHXD1wimFC.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1780	KPmhGSHXD1wimFC.exe

MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
stealer spyware masslogger

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

Scheduled Task

pid	Process
1740	schtasks.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	api.ipify.org

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 892 wrote to memory of 1740	892	KPmhGSHXD1wimFC.exe	26
PID 892 wrote to memory of 1740	892	KPmhGSHXD1wimFC.exe	26
PID 892 wrote to memory of 1740	892	KPmhGSHXD1wimFC.exe	26
PID 892 wrote to memory of 1740	892	KPmhGSHXD1wimFC.exe	26
PID 892 wrote to memory of 1780	892	KPmhGSHXD1wimFC.exe	28
PID 892 wrote to memory of 1780	892	KPmhGSHXD1wimFC.exe	28
PID 892 wrote to memory of 1780	892	KPmhGSHXD1wimFC.exe	28
PID 892 wrote to memory of 1780	892	KPmhGSHXD1wimFC.exe	28
PID 892 wrote to memory of 1780	892	KPmhGSHXD1wimFC.exe	28
PID 892 wrote to memory of 1780	892	KPmhGSHXD1wimFC.exe	28
PID 892 wrote to memory of 1780	892	KPmhGSHXD1wimFC.exe	28
PID 892 wrote to memory of 1780	892	KPmhGSHXD1wimFC.exe	28
PID 892 wrote to memory of 1780	892	KPmhGSHXD1wimFC.exe	28

MassLogger log file 1 IoCs

Detects a log file produced by MassLogger.

yara_rule
masslogger_log_file

C:\Users\Admin\AppData\Local\Temp\KPmhGSHXD1wimFC.exe
"C:\Users\Admin\AppData\Local\Temp\KPmhGSHXD1wimFC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:892
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VdIbjqKkGb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA69A.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1740
- C:\Users\Admin\AppData\Local\Temp\KPmhGSHXD1wimFC.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of AdjustPrivilegeToken
  PID:1780