snakekeylogger | db2ecbc435d932b7947857e4f9108ffe48c7a5af8ad9a34836c9d6cd96193ed0

General

Target

c895f5dae03d1e6030775e0161975b14.js
Size

248KB
MD5

c895f5dae03d1e6030775e0161975b14
SHA1

18c28bce01ba6d6e3fce7bdf568baf302dac77df
SHA256

db2ecbc435d932b7947857e4f9108ffe48c7a5af8ad9a34836c9d6cd96193ed0
SHA512

5ebc550b39310edd80b58ceb155863044c34c569d9c223bc587aed150bc26d65ae7dfc9ce219ae4948fa5efb38abcb525702991e99f0690d4a01522ed55f371d
SSDEEP

6144:AJHzPHIzMi9nhZpsdaisFaRdL5svoPYypqvj3jt27wl3Y:KTRdNo1ygj3s

Score

10^/10

snakekeylogger vjw0rm keylogger persistence stealer trojan worm

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1923344551:AAGJ9MeV4yHipzEdvvxVuepm8PFUNaCZez4/sendMessage?chat_id=1208289397

Signatures

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

Snake Keylogger payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001602a-6.dat	family_snakekeylogger
behavioral1/memory/2520-8-0x00000000009E0000-0x0000000000A06000-memory.dmp	family_snakekeylogger

Vjw0rm
Vjw0rm is a remote access trojan written in JavaScript.
trojan worm vjw0rm

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tgUmkOJCzD.js	wscript.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tgUmkOJCzD.js	wscript.exe

Executes dropped EXE 1 IoCs

pid	Process
2520	snaktele.exe

Loads dropped DLL 5 IoCs

pid	Process
2396	WerFault.exe
2396	WerFault.exe
2396	WerFault.exe
2396	WerFault.exe
2396	WerFault.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Windows\CurrentVersion\Run\SEJOKAOI5S = "\"C:\\Users\\Admin\\AppData\\Roaming\\tgUmkOJCzD.js\""	wscript.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
8	freegeoip.app
5	checkip.dyndns.org
7	freegeoip.app

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2396	2520	WerFault.exe	29

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2520	snaktele.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2520	snaktele.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1164 wrote to memory of 2632	1164	wscript.exe	28
PID 1164 wrote to memory of 2632	1164	wscript.exe	28
PID 1164 wrote to memory of 2632	1164	wscript.exe	28
PID 1164 wrote to memory of 2520	1164	wscript.exe	29
PID 1164 wrote to memory of 2520	1164	wscript.exe	29
PID 1164 wrote to memory of 2520	1164	wscript.exe	29
PID 1164 wrote to memory of 2520	1164	wscript.exe	29
PID 2520 wrote to memory of 2396	2520	snaktele.exe	32
PID 2520 wrote to memory of 2396	2520	snaktele.exe	32
PID 2520 wrote to memory of 2396	2520	snaktele.exe	32
PID 2520 wrote to memory of 2396	2520	snaktele.exe	32

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\c895f5dae03d1e6030775e0161975b14.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1164
- C:\Windows\System32\wscript.exe
  "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\tgUmkOJCzD.js"
  2⤵
  - Drops startup file
  - Adds Run key to start application
  PID:2632
- C:\Users\Admin\AppData\Local\Temp\snaktele.exe
  "C:\Users\Admin\AppData\Local\Temp\snaktele.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2520
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2520 -s 1528
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\snaktele.exe

Filesize
126KB

MD5
2c94dd555d927ad1bee732c64d4dec5e

SHA1
1f8faf2cd27eae38ed505998ceaee96674df8332

SHA256
dc157362e9c0469b3d8909770c5879a1e5cbaa6ae5e0d8203c536cbce6131901

SHA512
5e529a63affe17f7019a696f50b0619d4238433b535dc55d25b85c640c8fe17cd7caf7b67c1309696e72316bca1524c06a8be2c13da382d3bd40e510774d9bc2

Download Submit
C:\Users\Admin\AppData\Roaming\tgUmkOJCzD.js

Filesize
9KB

MD5
d1b42ee3ac80dd876017486a660d88a8

SHA1
ceadc2cf10e0200760e440a193a648fb0b031f17

SHA256
3cff9797b33d5d2f101ad92f319039e172a5472404f5df27d72c8936dad729b4

SHA512
f6f7c5d102ff170909a10a83d3115771739fa52977a4972bc01cd0cd54e673795d56f8f346e1bb2086efd825465b56c0c0dcc582e1f3b023b9971d664cab6736

Download Submit
memory/2520-8-0x00000000009E0000-0x0000000000A06000-memory.dmp

Filesize
152KB

Download
memory/2520-10-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/2520-11-0x0000000004930000-0x0000000004970000-memory.dmp

Filesize
256KB

Download
memory/2520-17-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/2520-18-0x0000000004930000-0x0000000004970000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads