snakekeylogger | 8c56d142eb23fdea3f843ca98489eaf220c7836af64f19a49c8ab332918cc87f

General

Target
TJ8I2tNHFHvbwdf.exe
Size 731KB
Sample210602-5352bn72va
SHA256 8c56d142eb23fdea3f843ca98489eaf220c7836af64f19a49c8ab332918cc87f
MD5 33308589b308fb13d99961a778c860e9
SHA1 b079e3f39888865926be2cf997f8312aef08f37d
SHA512 caea24ed041e7b99f61e89ea536a88500e63008d9a47c90b0b8aaa9acc28e2617c23182f62bf49c187aa71e394d8414a58817493fb1e27704b94e7d4b32eeee6
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/1152-68-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral1/memory/1152-69-0x00000000004644BE-mapping.dmp	family_snakekeylogger
behavioral1/memory/1152-70-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger

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 1084 set thread context of 1152	1084	TJ8I2tNHFHvbwdf.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
1476	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1152	TJ8I2tNHFHvbwdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1152	TJ8I2tNHFHvbwdf.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 1476	1084	TJ8I2tNHFHvbwdf.exe	29
PID 1084 wrote to memory of 1476	1084	TJ8I2tNHFHvbwdf.exe	29
PID 1084 wrote to memory of 1476	1084	TJ8I2tNHFHvbwdf.exe	29
PID 1084 wrote to memory of 1476	1084	TJ8I2tNHFHvbwdf.exe	29
PID 1084 wrote to memory of 1152	1084	TJ8I2tNHFHvbwdf.exe	31
PID 1084 wrote to memory of 1152	1084	TJ8I2tNHFHvbwdf.exe	31
PID 1084 wrote to memory of 1152	1084	TJ8I2tNHFHvbwdf.exe	31
PID 1084 wrote to memory of 1152	1084	TJ8I2tNHFHvbwdf.exe	31
PID 1084 wrote to memory of 1152	1084	TJ8I2tNHFHvbwdf.exe	31
PID 1084 wrote to memory of 1152	1084	TJ8I2tNHFHvbwdf.exe	31
PID 1084 wrote to memory of 1152	1084	TJ8I2tNHFHvbwdf.exe	31
PID 1084 wrote to memory of 1152	1084	TJ8I2tNHFHvbwdf.exe	31
PID 1084 wrote to memory of 1152	1084	TJ8I2tNHFHvbwdf.exe	31

C:\Users\Admin\AppData\Local\Temp\TJ8I2tNHFHvbwdf.exe
"C:\Users\Admin\AppData\Local\Temp\TJ8I2tNHFHvbwdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VaQSHgSIvaHK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA63E.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1476
- C:\Users\Admin\AppData\Local\Temp\TJ8I2tNHFHvbwdf.exe
  "C:\Users\Admin\AppData\Local\Temp\TJ8I2tNHFHvbwdf.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1152