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 1 IoCs

resource	yara_rule
behavioral2/memory/4328-11-0x0000000000400000-0x0000000000426000-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-1-5-21-1294999112-580688058-1763548717-1000\Control Panel\International\Geo\Nation	rlgh5walrVUMJyT7.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
24	reallyfreegeoip.org
20	checkip.dyndns.org
23	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4500 set thread context of 4328	4500	rlgh5walrVUMJyT7.exe	92

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	choice.exe
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

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4328	rlgh5walrVUMJyT7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4328	rlgh5walrVUMJyT7.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4500 wrote to memory of 4328	4500	rlgh5walrVUMJyT7.exe	92
PID 4500 wrote to memory of 4328	4500	rlgh5walrVUMJyT7.exe	92
PID 4500 wrote to memory of 4328	4500	rlgh5walrVUMJyT7.exe	92
PID 4500 wrote to memory of 4328	4500	rlgh5walrVUMJyT7.exe	92
PID 4500 wrote to memory of 4328	4500	rlgh5walrVUMJyT7.exe	92
PID 4500 wrote to memory of 4328	4500	rlgh5walrVUMJyT7.exe	92
PID 4500 wrote to memory of 4328	4500	rlgh5walrVUMJyT7.exe	92
PID 4500 wrote to memory of 4328	4500	rlgh5walrVUMJyT7.exe	92
PID 4328 wrote to memory of 1420	4328	rlgh5walrVUMJyT7.exe	95
PID 4328 wrote to memory of 1420	4328	rlgh5walrVUMJyT7.exe	95
PID 4328 wrote to memory of 1420	4328	rlgh5walrVUMJyT7.exe	95
PID 1420 wrote to memory of 4700	1420	cmd.exe	97
PID 1420 wrote to memory of 4700	1420	cmd.exe	97
PID 1420 wrote to memory of 4700	1420	cmd.exe	97

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:4500
- C:\Users\Admin\AppData\Local\Temp\rlgh5walrVUMJyT7.exe
  "C:\Users\Admin\AppData\Local\Temp\rlgh5walrVUMJyT7.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4328
- - 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⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1420
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:4700

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\rlgh5walrVUMJyT7.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/4328-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4328-19-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4328-18-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4328-17-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4328-16-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4328-14-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4500-4-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4500-8-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4500-9-0x00000000049E0000-0x0000000004A60000-memory.dmp

Filesize
512KB

Download
memory/4500-10-0x000000000BD20000-0x000000000BDBC000-memory.dmp

Filesize
624KB

Download
memory/4500-7-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/4500-6-0x00000000066C0000-0x00000000066DE000-memory.dmp

Filesize
120KB

Download
memory/4500-5-0x0000000004FA0000-0x0000000004FAA000-memory.dmp

Filesize
40KB

Download
memory/4500-15-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4500-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/4500-3-0x0000000004FF0000-0x0000000005082000-memory.dmp

Filesize
584KB

Download
memory/4500-2-0x00000000055A0000-0x0000000005B44000-memory.dmp

Filesize
5.6MB

Download
memory/4500-1-0x0000000000530000-0x00000000005FE000-memory.dmp

Filesize
824KB

Download

Analysis

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