2d7abc6173feb17ef4223fc045f35ed18607680b1844dfffcba70351d92626ce

General

Target
3f382731e5660d71a96011a8e3574bc6.exe
Size 500KB
Sample210723-mn9k2e8drx
SHA256 2d7abc6173feb17ef4223fc045f35ed18607680b1844dfffcba70351d92626ce
MD5 3f382731e5660d71a96011a8e3574bc6
SHA1 80a2e18cdbcd572d24ffd167015a7e895d0c5c78
SHA512 3f9c4ccae69bd13872fa93f10e990bc41105f8c535601c7ece211f75e2e32ee2d3104e9814de01b11361da9c416020a898329d7f64f3e66fdd165ac8a6e2403a
MD5 SHA1 SHA512

Score

8^/10

discovery spyware stealer

Malware Config

Signatures

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
824	PHvDJKd2yu.exe
1588	sqlcmd.exe

Deletes itself 1 IoCs

pid	Process
1936	cmd.exe

Loads dropped DLL 9 IoCs

pid	Process
1104	3f382731e5660d71a96011a8e3574bc6.exe
1104	3f382731e5660d71a96011a8e3574bc6.exe
1104	3f382731e5660d71a96011a8e3574bc6.exe
1104	3f382731e5660d71a96011a8e3574bc6.exe
1104	3f382731e5660d71a96011a8e3574bc6.exe
1104	3f382731e5660d71a96011a8e3574bc6.exe
1104	3f382731e5660d71a96011a8e3574bc6.exe
1104	3f382731e5660d71a96011a8e3574bc6.exe
1104	3f382731e5660d71a96011a8e3574bc6.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
1072	schtasks.exe
292	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
396	timeout.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	3f382731e5660d71a96011a8e3574bc6.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	3f382731e5660d71a96011a8e3574bc6.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 824	1104	3f382731e5660d71a96011a8e3574bc6.exe	30
PID 1104 wrote to memory of 824	1104	3f382731e5660d71a96011a8e3574bc6.exe	30
PID 1104 wrote to memory of 824	1104	3f382731e5660d71a96011a8e3574bc6.exe	30
PID 1104 wrote to memory of 824	1104	3f382731e5660d71a96011a8e3574bc6.exe	30
PID 1104 wrote to memory of 1936	1104	3f382731e5660d71a96011a8e3574bc6.exe	31
PID 1104 wrote to memory of 1936	1104	3f382731e5660d71a96011a8e3574bc6.exe	31
PID 1104 wrote to memory of 1936	1104	3f382731e5660d71a96011a8e3574bc6.exe	31
PID 1104 wrote to memory of 1936	1104	3f382731e5660d71a96011a8e3574bc6.exe	31
PID 1936 wrote to memory of 396	1936	cmd.exe	33
PID 1936 wrote to memory of 396	1936	cmd.exe	33
PID 1936 wrote to memory of 396	1936	cmd.exe	33
PID 1936 wrote to memory of 396	1936	cmd.exe	33
PID 824 wrote to memory of 1072	824	PHvDJKd2yu.exe	34
PID 824 wrote to memory of 1072	824	PHvDJKd2yu.exe	34
PID 824 wrote to memory of 1072	824	PHvDJKd2yu.exe	34
PID 824 wrote to memory of 1072	824	PHvDJKd2yu.exe	34
PID 928 wrote to memory of 1588	928	taskeng.exe	37
PID 928 wrote to memory of 1588	928	taskeng.exe	37
PID 928 wrote to memory of 1588	928	taskeng.exe	37
PID 928 wrote to memory of 1588	928	taskeng.exe	37
PID 1588 wrote to memory of 292	1588	sqlcmd.exe	38
PID 1588 wrote to memory of 292	1588	sqlcmd.exe	38
PID 1588 wrote to memory of 292	1588	sqlcmd.exe	38
PID 1588 wrote to memory of 292	1588	sqlcmd.exe	38

C:\Users\Admin\AppData\Local\Temp\3f382731e5660d71a96011a8e3574bc6.exe
"C:\Users\Admin\AppData\Local\Temp\3f382731e5660d71a96011a8e3574bc6.exe"
1⤵
- Loads dropped DLL
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Users\Admin\AppData\Local\Temp\PHvDJKd2yu.exe
  "C:\Users\Admin\AppData\Local\Temp\PHvDJKd2yu.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:824
- - C:\Windows\SysWOW64\schtasks.exe
    /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sqlcmd.exe"
    3⤵
    - Creates scheduled task(s)
    PID:1072
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\3f382731e5660d71a96011a8e3574bc6.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1936
- - C:\Windows\SysWOW64\timeout.exe
    timeout /T 10 /NOBREAK
    3⤵
    - Delays execution with timeout.exe
    PID:396

C:\Windows\system32\taskeng.exe
taskeng.exe {2469224F-765F-4708-B627-F99259353FD8} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:928
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\sqlcmd.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\sqlcmd.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1588
- - C:\Windows\SysWOW64\schtasks.exe
    /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sqlcmd.exe"
    3⤵
    - Creates scheduled task(s)
    PID:292