snakekeylogger | 9f848a2f83829e60600a2cec544e00c675b6c1952ffe0fcb088bec337673ee61

General

Target
Sales_Receipt_4423_052720.exe
Size 1.0MB
Sample210421-1phmwmcdca
SHA256 9f848a2f83829e60600a2cec544e00c675b6c1952ffe0fcb088bec337673ee61
MD5 e89ca2bae7611baa94ac6f12b45f3656
SHA1 b0c54f67bc87ab2ce8b57ec42b532c6165d94f44
SHA512 b21e48b4b167f17f1641879daa546a19af9c1da17a346e5e212dc01a098f40d1cb552412766d9d5bf26d49f34a1172818c12f312ec578a37eb909eee64e245c9
MD5 SHA1 SHA512

Score

10^/10

Family

Credentials

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger Payload 3 IoCs

resource	yara_rule
behavioral1/memory/1460-68-0x0000000000464FEE-mapping.dmp	family_snakekeylogger
behavioral1/memory/1460-67-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral1/memory/1460-69-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.url	Sales_Receipt_4423_052720.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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

Looks up external IP address via web service 3 IoCs

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1748 set thread context of 1460	1748	Sales_Receipt_4423_052720.exe	31

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 1 IoCs

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

Scheduled Task

pid	Process
1728	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1748	Sales_Receipt_4423_052720.exe
Token: SeDebugPrivilege	1460	Sales_Receipt_4423_052720.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 1728	1748	Sales_Receipt_4423_052720.exe	29
PID 1748 wrote to memory of 1728	1748	Sales_Receipt_4423_052720.exe	29
PID 1748 wrote to memory of 1728	1748	Sales_Receipt_4423_052720.exe	29
PID 1748 wrote to memory of 1728	1748	Sales_Receipt_4423_052720.exe	29
PID 1748 wrote to memory of 1460	1748	Sales_Receipt_4423_052720.exe	31
PID 1748 wrote to memory of 1460	1748	Sales_Receipt_4423_052720.exe	31
PID 1748 wrote to memory of 1460	1748	Sales_Receipt_4423_052720.exe	31
PID 1748 wrote to memory of 1460	1748	Sales_Receipt_4423_052720.exe	31
PID 1748 wrote to memory of 1460	1748	Sales_Receipt_4423_052720.exe	31
PID 1748 wrote to memory of 1460	1748	Sales_Receipt_4423_052720.exe	31
PID 1748 wrote to memory of 1460	1748	Sales_Receipt_4423_052720.exe	31
PID 1748 wrote to memory of 1460	1748	Sales_Receipt_4423_052720.exe	31
PID 1748 wrote to memory of 1460	1748	Sales_Receipt_4423_052720.exe	31

C:\Users\Admin\AppData\Local\Temp\Sales_Receipt_4423_052720.exe
"C:\Users\Admin\AppData\Local\Temp\Sales_Receipt_4423_052720.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qJNtDyZq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9859.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1728
- C:\Users\Admin\AppData\Local\Temp\Sales_Receipt_4423_052720.exe
  "C:\Users\Admin\AppData\Local\Temp\Sales_Receipt_4423_052720.exe"
  2⤵
  - Drops startup file
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1460