snakekeylogger | dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d

General

Target

dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe
Size

909KB
MD5

48303a0f6cf86a64328acc545192bff0
SHA1

2c9973e30e9697c5c8b6a91ecb3fbc8b05c3b455
SHA256

dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d
SHA512

f54afc180d0d1bf6ce4ddaa8ea04a1c2281390a8bc102b2b5e52d6bed2083932af1e0862a7d498695cde64a939d5704d2e48766c4b72fab76c8321cd8ac36891
SSDEEP

12288:m3ks0DMw9q5M3FYOc+s7LbcwH8YiSFDw5:m3ksxw9rYO6Pcwcaw

Score

10^/10

snakekeylogger discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7572469755:AAHCBLe3bEv-r8VSlR3NztVSSHz6JBpCC7s/sendMessage?chat_id=7207594974

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4072-12-0x0000000000400000-0x0000000000426000-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-1-5-21-22591836-1183090055-1220658180-1000\Control Panel\International\Geo\Nation	dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.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
25	checkip.dyndns.org
28	reallyfreegeoip.org
29	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 432 set thread context of 4072	432	dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe	90

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	dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.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
4072	dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4072	dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 4072	432	dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe	90
PID 432 wrote to memory of 4072	432	dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe	90
PID 432 wrote to memory of 4072	432	dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe	90
PID 432 wrote to memory of 4072	432	dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe	90
PID 432 wrote to memory of 4072	432	dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe	90
PID 432 wrote to memory of 4072	432	dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe	90
PID 432 wrote to memory of 4072	432	dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe	90
PID 432 wrote to memory of 4072	432	dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe	90
PID 4072 wrote to memory of 2564	4072	dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe	91
PID 4072 wrote to memory of 2564	4072	dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe	91
PID 4072 wrote to memory of 2564	4072	dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe	91
PID 2564 wrote to memory of 3300	2564	cmd.exe	93
PID 2564 wrote to memory of 3300	2564	cmd.exe	93
PID 2564 wrote to memory of 3300	2564	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe
"C:\Users\Admin\AppData\Local\Temp\dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:432
- C:\Users\Admin\AppData\Local\Temp\dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe
  "C:\Users\Admin\AppData\Local\Temp\dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4072
- - 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\dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2564
  - - C:\Windows\SysWOW64\choice.exe
      choice /C Y /N /D Y /T 3
      4⤵
      System Location Discovery: System Language Discovery
      PID:3300

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\dcb42b8ad4e7cc40fe12cfef0f5b97fba6073716a6315784ed6dd8847a51e86d.exe.log

Filesize
1KB

MD5
de3d9ab4d240ea92574fb9f15d887599

SHA1
a34a302862495c59af59e2b3ab15e23625de2f77

SHA256
d6eeab29d2390946ef726c2bb234f820296afad15aa8c9b34078150d63c3eb63

SHA512
1f5a46df6ff38e6dbc415e405d5d3f07d840a219f0e0c5027aac9bfc5e51badbfb4c6ce96e6ee0f2d5ebd59d46902d087cc572fe21bc0cd849653df627b49492

Download Submit
memory/432-8-0x0000000074FFE000-0x0000000074FFF000-memory.dmp

Filesize
4KB

Download
memory/432-5-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/432-9-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/432-4-0x00000000053F0000-0x0000000005744000-memory.dmp

Filesize
3.3MB

Download
memory/432-10-0x0000000004C00000-0x0000000004C6A000-memory.dmp

Filesize
424KB

Download
memory/432-6-0x0000000005370000-0x000000000537A000-memory.dmp

Filesize
40KB

Download
memory/432-7-0x00000000057E0000-0x00000000057FE000-memory.dmp

Filesize
120KB

Download
memory/432-11-0x000000000D8C0000-0x000000000D95C000-memory.dmp

Filesize
624KB

Download
memory/432-3-0x00000000051C0000-0x0000000005252000-memory.dmp

Filesize
584KB

Download
memory/432-2-0x0000000005820000-0x0000000005DC4000-memory.dmp

Filesize
5.6MB

Download
memory/432-0-0x0000000074FFE000-0x0000000074FFF000-memory.dmp

Filesize
4KB

Download
memory/432-16-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/432-1-0x0000000000700000-0x00000000007EA000-memory.dmp

Filesize
936KB

Download
memory/4072-15-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/4072-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4072-17-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/4072-18-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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