snakekeylogger | 84e981533ba050914811f5018ad09a233283645117940a9c7d509085d7c13f71

General

Target

DOC030222-03022022133454.exe
Size

70.0MB
MD5

bd57b0a1274b9f3b72e3e6dc16987f78
SHA1

9909c6463eec32f6a0b57d86a89c8746c1c0e431
SHA256

544bcd37f2451628755df5917671493844a63efbc5056dac8ebf84f25f788288
SHA512

da2eb06866b494e3ef106a03593610e8bc4bec7702c24640c5d82d9a2235eea84f39aa7efc67eadff6908c897e922921f32da8588ddea734a9defc8630ddf80c
SSDEEP

12288:gb28w2UdchuF+PzldKSL7V9J7Q/2Hj98r6FN+60:J8lCMuF5U9VQ/2HjsY+6

Score

10^/10

snakekeylogger discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
dot1n2002.servwingu.mx
Port:
587
Username:
[email protected]
Password:
34(fgj5n]hjE
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2844-22-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2844-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2844-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2844-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2844-11-0x0000000000400000-0x0000000000426000-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
2840	powershell.exe

Deletes itself 1 IoCs

pid	Process
1996	cmd.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 1856 set thread context of 2844	1856	DOC030222-03022022133454.exe	31

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DOC030222-03022022133454.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DOC030222-03022022133454.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2844	DOC030222-03022022133454.exe
2840	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	DOC030222-03022022133454.exe
Token: SeDebugPrivilege	2840	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 2840	1856	DOC030222-03022022133454.exe	30
PID 1856 wrote to memory of 2840	1856	DOC030222-03022022133454.exe	30
PID 1856 wrote to memory of 2840	1856	DOC030222-03022022133454.exe	30
PID 1856 wrote to memory of 2840	1856	DOC030222-03022022133454.exe	30
PID 1856 wrote to memory of 2844	1856	DOC030222-03022022133454.exe	31
PID 1856 wrote to memory of 2844	1856	DOC030222-03022022133454.exe	31
PID 1856 wrote to memory of 2844	1856	DOC030222-03022022133454.exe	31
PID 1856 wrote to memory of 2844	1856	DOC030222-03022022133454.exe	31
PID 1856 wrote to memory of 2844	1856	DOC030222-03022022133454.exe	31
PID 1856 wrote to memory of 2844	1856	DOC030222-03022022133454.exe	31
PID 1856 wrote to memory of 2844	1856	DOC030222-03022022133454.exe	31
PID 1856 wrote to memory of 2844	1856	DOC030222-03022022133454.exe	31
PID 1856 wrote to memory of 2844	1856	DOC030222-03022022133454.exe	31
PID 2844 wrote to memory of 1996	2844	DOC030222-03022022133454.exe	33
PID 2844 wrote to memory of 1996	2844	DOC030222-03022022133454.exe	33
PID 2844 wrote to memory of 1996	2844	DOC030222-03022022133454.exe	33
PID 2844 wrote to memory of 1996	2844	DOC030222-03022022133454.exe	33
PID 1996 wrote to memory of 2168	1996	cmd.exe	35
PID 1996 wrote to memory of 2168	1996	cmd.exe	35
PID 1996 wrote to memory of 2168	1996	cmd.exe	35
PID 1996 wrote to memory of 2168	1996	cmd.exe	35

C:\Users\Admin\AppData\Local\Temp\DOC030222-03022022133454.exe
"C:\Users\Admin\AppData\Local\Temp\DOC030222-03022022133454.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1856
- 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\DOC030222-03022022133454.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2840
- C:\Users\Admin\AppData\Local\Temp\DOC030222-03022022133454.exe
  "C:\Users\Admin\AppData\Local\Temp\DOC030222-03022022133454.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2844
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\DOC030222-03022022133454.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1996
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:2168

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/1856-0-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/1856-1-0x0000000000850000-0x00000000008E0000-memory.dmp

Filesize
576KB

Download
memory/1856-2-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/1856-3-0x0000000000550000-0x0000000000568000-memory.dmp

Filesize
96KB

Download
memory/1856-4-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/1856-5-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/1856-6-0x00000000049C0000-0x0000000004A28000-memory.dmp

Filesize
416KB

Download
memory/1856-23-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2844-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2844-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2844-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2844-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2844-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2844-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2844-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2844-25-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2844-24-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2844-22-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2844-28-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2844-29-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2844-30-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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