snakekeylogger | 64157d14bc770c59f8cfffa73f7dec64d2b2a1568329712681633388cf682823

General

Target

lgh5walrVUMJyT7.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/2832-21-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2832-19-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2832-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2832-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2832-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Deletes itself 1 IoCs

pid	Process
1960	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 2584 set thread context of 2832	2584	lgh5walrVUMJyT7.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 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	choice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lgh5walrVUMJyT7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lgh5walrVUMJyT7.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2832	lgh5walrVUMJyT7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2832	lgh5walrVUMJyT7.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 2832	2584	lgh5walrVUMJyT7.exe	31
PID 2584 wrote to memory of 2832	2584	lgh5walrVUMJyT7.exe	31
PID 2584 wrote to memory of 2832	2584	lgh5walrVUMJyT7.exe	31
PID 2584 wrote to memory of 2832	2584	lgh5walrVUMJyT7.exe	31
PID 2584 wrote to memory of 2832	2584	lgh5walrVUMJyT7.exe	31
PID 2584 wrote to memory of 2832	2584	lgh5walrVUMJyT7.exe	31
PID 2584 wrote to memory of 2832	2584	lgh5walrVUMJyT7.exe	31
PID 2584 wrote to memory of 2832	2584	lgh5walrVUMJyT7.exe	31
PID 2584 wrote to memory of 2832	2584	lgh5walrVUMJyT7.exe	31
PID 2832 wrote to memory of 1960	2832	lgh5walrVUMJyT7.exe	32
PID 2832 wrote to memory of 1960	2832	lgh5walrVUMJyT7.exe	32
PID 2832 wrote to memory of 1960	2832	lgh5walrVUMJyT7.exe	32
PID 2832 wrote to memory of 1960	2832	lgh5walrVUMJyT7.exe	32
PID 1960 wrote to memory of 592	1960	cmd.exe	34
PID 1960 wrote to memory of 592	1960	cmd.exe	34
PID 1960 wrote to memory of 592	1960	cmd.exe	34
PID 1960 wrote to memory of 592	1960	cmd.exe	34

C:\Users\Admin\AppData\Local\Temp\lgh5walrVUMJyT7.exe
"C:\Users\Admin\AppData\Local\Temp\lgh5walrVUMJyT7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Users\Admin\AppData\Local\Temp\lgh5walrVUMJyT7.exe
  "C:\Users\Admin\AppData\Local\Temp\lgh5walrVUMJyT7.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2832
- - 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\lgh5walrVUMJyT7.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1960
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:592

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/2584-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/2584-1-0x0000000000010000-0x00000000000DE000-memory.dmp

Filesize
824KB

Download
memory/2584-2-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2584-3-0x0000000001F90000-0x0000000001FAE000-memory.dmp

Filesize
120KB

Download
memory/2584-4-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/2584-5-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2584-6-0x0000000000590000-0x0000000000610000-memory.dmp

Filesize
512KB

Download
memory/2584-23-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2832-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2832-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2832-21-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2832-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2832-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2832-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2832-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2832-22-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2832-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2832-24-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2832-25-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2832-26-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download
memory/2832-27-0x0000000074A80000-0x000000007516E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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