snakekeylogger | c7a131685f4235140da8b3310a3d1816527268ba1cd788b24e5011b572eaf9a3

General

Target

DOC030222-03022022133454.exe
Size

553KB
MD5

4b6a4185deab6ab773c385544348ad2d
SHA1

063ce8ac9989d729ee476f05dc4b4ca0e4683d36
SHA256

c7a131685f4235140da8b3310a3d1816527268ba1cd788b24e5011b572eaf9a3
SHA512

0a79a552bebef3006492e3501458222d099c5968599e819827dce321872da2cce1a1fcaf7d603c96083c9214671f35dac6fcd63a98871f74ce61bab8b9cdf6ea
SSDEEP

12288:T6Z6wR7njY2nH1TjZhqxXo7qyzTwHHyxeB7nk80OS:mZ6wNjLHBj7qxXoGQwHHrBTF

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/1652-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1652-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1652-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1652-21-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1652-11-0x0000000000400000-0x0000000000426000-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
2420	powershell.exe

Deletes itself 1 IoCs

pid	Process
3048	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 2924 set thread context of 1652	2924	DOC030222-03022022133454.exe	33

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	DOC030222-03022022133454.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DOC030222-03022022133454.exe
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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1652	DOC030222-03022022133454.exe
2420	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1652	DOC030222-03022022133454.exe
Token: SeDebugPrivilege	2420	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2420	2924	DOC030222-03022022133454.exe	31
PID 2924 wrote to memory of 2420	2924	DOC030222-03022022133454.exe	31
PID 2924 wrote to memory of 2420	2924	DOC030222-03022022133454.exe	31
PID 2924 wrote to memory of 2420	2924	DOC030222-03022022133454.exe	31
PID 2924 wrote to memory of 1652	2924	DOC030222-03022022133454.exe	33
PID 2924 wrote to memory of 1652	2924	DOC030222-03022022133454.exe	33
PID 2924 wrote to memory of 1652	2924	DOC030222-03022022133454.exe	33
PID 2924 wrote to memory of 1652	2924	DOC030222-03022022133454.exe	33
PID 2924 wrote to memory of 1652	2924	DOC030222-03022022133454.exe	33
PID 2924 wrote to memory of 1652	2924	DOC030222-03022022133454.exe	33
PID 2924 wrote to memory of 1652	2924	DOC030222-03022022133454.exe	33
PID 2924 wrote to memory of 1652	2924	DOC030222-03022022133454.exe	33
PID 2924 wrote to memory of 1652	2924	DOC030222-03022022133454.exe	33
PID 1652 wrote to memory of 3048	1652	DOC030222-03022022133454.exe	34
PID 1652 wrote to memory of 3048	1652	DOC030222-03022022133454.exe	34
PID 1652 wrote to memory of 3048	1652	DOC030222-03022022133454.exe	34
PID 1652 wrote to memory of 3048	1652	DOC030222-03022022133454.exe	34
PID 3048 wrote to memory of 2028	3048	cmd.exe	36
PID 3048 wrote to memory of 2028	3048	cmd.exe	36
PID 3048 wrote to memory of 2028	3048	cmd.exe	36
PID 3048 wrote to memory of 2028	3048	cmd.exe	36

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:2924
- 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:2420
- 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:1652
- - 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:3048
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:2028

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/1652-22-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/1652-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1652-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1652-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1652-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1652-29-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/1652-28-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/1652-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1652-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1652-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1652-27-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/1652-24-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/1652-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2924-4-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2924-3-0x0000000000730000-0x0000000000748000-memory.dmp

Filesize
96KB

Download
memory/2924-0-0x000000007408E000-0x000000007408F000-memory.dmp

Filesize
4KB

Download
memory/2924-23-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2924-1-0x0000000000EF0000-0x0000000000F80000-memory.dmp

Filesize
576KB

Download
memory/2924-2-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download
memory/2924-6-0x0000000004B40000-0x0000000004BAA000-memory.dmp

Filesize
424KB

Download
memory/2924-5-0x0000000074080000-0x000000007476E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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