snakekeylogger | c26cd8dd1ff185994225fd907edc2aea01872f1b17e021c23afb76e553bb85a4

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
17/04/2024, 14:56

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General

Target
1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe
Size 525KB
Sample240417-sa685aee9x
SHA256 1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837
MD5 3138b63ef0d439ebc2e631452307c089
SHA1 176b629248c486842e03a897192dbc6043a57fe5
SHA512 f83dcb33c5777d9efc9100705761786a7d1dada83331866a95fbd3042357f7d7b87aa36cc1dc7fcbe8e9af4118bdd1cd5e2734366c1cc7d1c85b95be8c6767c0
SSDEEP 12288:/ytros3iYd2DGhjsTJWJHJ+HgyJsMgqFyaHs:/WosNDdRJHcHZJt
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

http://varders.kozow.com:8081
http://aborters.duckdns.org:8081
http://anotherarmy.dns.army:8081

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2120-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2120-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2120-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2120-16-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2120-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

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 2512 set thread context of 2120	2512	1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe	28

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2120	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2120	RegAsm.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2120	2512	1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe	28
PID 2512 wrote to memory of 2120	2512	1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe	28
PID 2512 wrote to memory of 2120	2512	1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe	28
PID 2512 wrote to memory of 2120	2512	1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe	28
PID 2512 wrote to memory of 2120	2512	1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe	28
PID 2512 wrote to memory of 2120	2512	1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe	28
PID 2512 wrote to memory of 2120	2512	1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe	28
PID 2512 wrote to memory of 2120	2512	1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe	28
PID 2512 wrote to memory of 2120	2512	1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe	28
PID 2512 wrote to memory of 2120	2512	1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe	28
PID 2512 wrote to memory of 2120	2512	1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe	28
PID 2512 wrote to memory of 2120	2512	1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe	28
PID 2120 wrote to memory of 2544	2120	RegAsm.exe	29
PID 2120 wrote to memory of 2544	2120	RegAsm.exe	29
PID 2120 wrote to memory of 2544	2120	RegAsm.exe	29
PID 2120 wrote to memory of 2544	2120	RegAsm.exe	29
PID 2544 wrote to memory of 2448	2544	cmd.exe	31
PID 2544 wrote to memory of 2448	2544	cmd.exe	31
PID 2544 wrote to memory of 2448	2544	cmd.exe	31
PID 2544 wrote to memory of 2448	2544	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe
"C:\Users\Admin\AppData\Local\Temp\1af4b1e67dee34e1ce541150c83e1be4f75766d47ecebf4b476cb08aa04fa837.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2120
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2544
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      PID:2448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2120-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Download

memory/2120-13-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/2120-18-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/2120-8-0x0000000000400000-0x0000000000426000-memory.dmp

Download

memory/2120-7-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/2120-5-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/2120-10-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/2120-16-0x0000000000400000-0x0000000000426000-memory.dmp

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memory/2512-0-0x0000000001360000-0x00000000013EA000-memory.dmp

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memory/2512-1-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Download

memory/2512-4-0x0000000000420000-0x0000000000428000-memory.dmp

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memory/2512-15-0x00000000745C0000-0x0000000074CAE000-memory.dmp

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memory/2512-3-0x00000000012B0000-0x00000000012F0000-memory.dmp

Download

memory/2512-2-0x00000000004B0000-0x0000000000504000-memory.dmp

Download