snakekeylogger | ca24c73a0f1820042d015e2d96c97c08a37cda6cda766e609f9e33970f269fee

General

Target

rlgh5walrVUMJyT7.exe
Size

802KB
MD5

420361f15c6b5f83e2116a38dfc30be2
SHA1

667f02f4d72f15699a3438a48fe1a04b6d739332
SHA256

ca24c73a0f1820042d015e2d96c97c08a37cda6cda766e609f9e33970f269fee
SHA512

fe7159d8e78def63fd2dfc769277fd85ed6b65d21e2aada052304630af3a9746d007c924b03ce370e016b77ac61c465861b9e598acc5f08cb5f9dfd592f64b97
SSDEEP

12288:5OBUrzYDpGDWN74lZK6Jp61c9ZUBYJxnPN9/vs8:XXMpGy7GZK6JRZUGJhF9/

Score

10^/10

snakekeylogger discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7791603510:AAFQYjUt2v3SAld_qBIl7vQWHq4eSD9hepU/sendMessage?chat_id=6306771742

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2892-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2892-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2892-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2892-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2892-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Deletes itself 1 IoCs

pid	Process
2728	cmd.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
4	checkip.dyndns.org
8	reallyfreegeoip.org
9	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2596 set thread context of 2892	2596	rlgh5walrVUMJyT7.exe	29

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	rlgh5walrVUMJyT7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rlgh5walrVUMJyT7.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
2892	rlgh5walrVUMJyT7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2892	rlgh5walrVUMJyT7.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2892	2596	rlgh5walrVUMJyT7.exe	29
PID 2596 wrote to memory of 2892	2596	rlgh5walrVUMJyT7.exe	29
PID 2596 wrote to memory of 2892	2596	rlgh5walrVUMJyT7.exe	29
PID 2596 wrote to memory of 2892	2596	rlgh5walrVUMJyT7.exe	29
PID 2596 wrote to memory of 2892	2596	rlgh5walrVUMJyT7.exe	29
PID 2596 wrote to memory of 2892	2596	rlgh5walrVUMJyT7.exe	29
PID 2596 wrote to memory of 2892	2596	rlgh5walrVUMJyT7.exe	29
PID 2596 wrote to memory of 2892	2596	rlgh5walrVUMJyT7.exe	29
PID 2596 wrote to memory of 2892	2596	rlgh5walrVUMJyT7.exe	29
PID 2892 wrote to memory of 2728	2892	rlgh5walrVUMJyT7.exe	30
PID 2892 wrote to memory of 2728	2892	rlgh5walrVUMJyT7.exe	30
PID 2892 wrote to memory of 2728	2892	rlgh5walrVUMJyT7.exe	30
PID 2892 wrote to memory of 2728	2892	rlgh5walrVUMJyT7.exe	30
PID 2728 wrote to memory of 2220	2728	cmd.exe	32
PID 2728 wrote to memory of 2220	2728	cmd.exe	32
PID 2728 wrote to memory of 2220	2728	cmd.exe	32
PID 2728 wrote to memory of 2220	2728	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\rlgh5walrVUMJyT7.exe
"C:\Users\Admin\AppData\Local\Temp\rlgh5walrVUMJyT7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Users\Admin\AppData\Local\Temp\rlgh5walrVUMJyT7.exe
  "C:\Users\Admin\AppData\Local\Temp\rlgh5walrVUMJyT7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2892
- - 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\rlgh5walrVUMJyT7.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2728
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:2220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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/2596-0-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/2596-1-0x0000000001080000-0x000000000114E000-memory.dmp

Filesize
824KB

Download
memory/2596-2-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2596-3-0x00000000003B0000-0x00000000003CE000-memory.dmp

Filesize
120KB

Download
memory/2596-4-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/2596-5-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2596-6-0x0000000000560000-0x00000000005E0000-memory.dmp

Filesize
512KB

Download
memory/2596-20-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2892-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2892-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2892-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2892-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2892-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2892-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2892-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2892-21-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2892-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2892-22-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2892-23-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2892-24-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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