snakekeylogger | 5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6

General

Target

5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe
Size

807KB
MD5

fee3c4b6611105b43993848c321a876a
SHA1

9cb471805bb2679bcd0cfc794f8301e86e2bacfc
SHA256

5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6
SHA512

6d8d16d89cd0c22a8c402e7ac378bd1a41b4c117f52f521c674d89b1fb0d064eaaa757fa2db3765ca97c412c7954438d08d32be75f5fe53677f3c3dde8b9becf
SSDEEP

24576:5MaSSKy2/SPNc0PrH5yj15ALOF+gGQ5p/i+:5RQ5s/gtN

Score

10^/10

snakekeylogger discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.yulifertilizer.com.my
Port:
25
Username:
[email protected]
Password:
Ayfc931319*
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3616-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	checkip.dyndns.org
9	reallyfreegeoip.org
10	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4640 set thread context of 3616	4640	5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe	83

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 4 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	5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.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 1 IoCs

pid	Process
3616	5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3616	5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 3616	4640	5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe	83
PID 4640 wrote to memory of 3616	4640	5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe	83
PID 4640 wrote to memory of 3616	4640	5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe	83
PID 4640 wrote to memory of 3616	4640	5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe	83
PID 4640 wrote to memory of 3616	4640	5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe	83
PID 4640 wrote to memory of 3616	4640	5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe	83
PID 4640 wrote to memory of 3616	4640	5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe	83
PID 4640 wrote to memory of 3616	4640	5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe	83
PID 3616 wrote to memory of 3428	3616	5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe	84
PID 3616 wrote to memory of 3428	3616	5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe	84
PID 3616 wrote to memory of 3428	3616	5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe	84
PID 3428 wrote to memory of 2128	3428	cmd.exe	86
PID 3428 wrote to memory of 2128	3428	cmd.exe	86
PID 3428 wrote to memory of 2128	3428	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe
"C:\Users\Admin\AppData\Local\Temp\5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4640
- C:\Users\Admin\AppData\Local\Temp\5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe
  "C:\Users\Admin\AppData\Local\Temp\5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3616
- - 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\5bf0cf3d590605a0f8aeef0cb6bbf2520905e8ebd48682c7c5cdd5f55286a8a6.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3428
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:2128

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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/3616-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3616-13-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/3616-11-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/3616-10-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/4640-3-0x0000000005820000-0x00000000058B2000-memory.dmp

Filesize
584KB

Download
memory/4640-5-0x00000000057A0000-0x00000000057AA000-memory.dmp

Filesize
40KB

Download
memory/4640-6-0x00000000057C0000-0x0000000005816000-memory.dmp

Filesize
344KB

Download
memory/4640-7-0x0000000005B50000-0x0000000005BEC000-memory.dmp

Filesize
624KB

Download
memory/4640-8-0x0000000005A50000-0x0000000005A58000-memory.dmp

Filesize
32KB

Download
memory/4640-4-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download
memory/4640-0-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

Filesize
4KB

Download
memory/4640-2-0x0000000005DD0000-0x0000000006374000-memory.dmp

Filesize
5.6MB

Download
memory/4640-1-0x0000000000CE0000-0x0000000000DB0000-memory.dmp

Filesize
832KB

Download
memory/4640-14-0x0000000074AAE000-0x0000000074AAF000-memory.dmp

Filesize
4KB

Download
memory/4640-15-0x0000000074AA0000-0x0000000075250000-memory.dmp

Filesize
7.7MB

Download

Analysis

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