snakekeylogger | a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1

General

Target

a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe
Size

610KB
MD5

2144b1c24a7ff469c8f2b9a7a97343ac
SHA1

3616325db9ac7ad66793a38e3fa29d86faa0d3ca
SHA256

a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1
SHA512

bc7cf9a22b854ccada8638e8fe26bf01c633d03be2caa927867df9940f075d0aed147349a6db1d93e833cb96e83561d91349bcded509df0d38a97b60765dcae1
SSDEEP

12288:SuqGY9wn8lISIgt6M177MgRudvlE9neaw:5M7l9tSdva5

Score

10^/10

snakekeylogger discovery execution keylogger stealer

Malware Config

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2832-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2832-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2832-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2832-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2832-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2732	powershell.exe

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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2524 set thread context of 2832	2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2640	2832	WerFault.exe	33

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe
2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe
2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe
2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe
2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe
2832	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe
2732	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe
Token: SeDebugPrivilege	2832	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe
Token: SeDebugPrivilege	2732	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2732	2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe	31
PID 2524 wrote to memory of 2732	2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe	31
PID 2524 wrote to memory of 2732	2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe	31
PID 2524 wrote to memory of 2732	2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe	31
PID 2524 wrote to memory of 2832	2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe	33
PID 2524 wrote to memory of 2832	2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe	33
PID 2524 wrote to memory of 2832	2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe	33
PID 2524 wrote to memory of 2832	2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe	33
PID 2524 wrote to memory of 2832	2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe	33
PID 2524 wrote to memory of 2832	2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe	33
PID 2524 wrote to memory of 2832	2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe	33
PID 2524 wrote to memory of 2832	2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe	33
PID 2524 wrote to memory of 2832	2524	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe	33
PID 2832 wrote to memory of 2640	2832	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe	34
PID 2832 wrote to memory of 2640	2832	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe	34
PID 2832 wrote to memory of 2640	2832	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe	34
PID 2832 wrote to memory of 2640	2832	a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe	34

C:\Users\Admin\AppData\Local\Temp\a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe
"C:\Users\Admin\AppData\Local\Temp\a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2732
- C:\Users\Admin\AppData\Local\Temp\a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe
  "C:\Users\Admin\AppData\Local\Temp\a498c70735258e7cb2204d02d81d5d2f31c266da60231dc50857c4267b4f48c1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2832
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2832 -s 1096
    3⤵
    - Program crash
    PID:2640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2524-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

Filesize
4KB

Download
memory/2524-1-0x0000000000A40000-0x0000000000ADE000-memory.dmp

Filesize
632KB

Download
memory/2524-2-0x0000000074E50000-0x000000007553E000-memory.dmp

Filesize
6.9MB

Download
memory/2524-3-0x0000000000750000-0x000000000076E000-memory.dmp

Filesize
120KB

Download
memory/2524-4-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

Filesize
4KB

Download
memory/2524-5-0x0000000074E50000-0x000000007553E000-memory.dmp

Filesize
6.9MB

Download
memory/2524-6-0x0000000000990000-0x00000000009F8000-memory.dmp

Filesize
416KB

Download
memory/2524-19-0x0000000074E50000-0x000000007553E000-memory.dmp

Filesize
6.9MB

Download
memory/2832-18-0x0000000074E50000-0x000000007553E000-memory.dmp

Filesize
6.9MB

Download
memory/2832-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2832-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2832-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2832-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2832-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2832-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2832-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2832-22-0x0000000074E50000-0x000000007553E000-memory.dmp

Filesize
6.9MB

Download
memory/2832-23-0x0000000074E50000-0x000000007553E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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