snakekeylogger | d0d573cf8f2460ca3d4e9074af0a2c13b56c287fb7ace1560b8c8209170de73c

General

Target

tmp_yefxj3l.exe
Size

649KB
MD5

0348469c2faa81c6581790280e815c42
SHA1

abe0c89fefee86e8b69857d4499dc5d63607a7f1
SHA256

d0d573cf8f2460ca3d4e9074af0a2c13b56c287fb7ace1560b8c8209170de73c
SHA512

2c4143a7cb14f391ae8fffb156c51ff328d503200f033bb70721611ee972d625694dd2a96f4a19537504f8511664f7c5caa791fd42737470a1f6eecd12158bde
SSDEEP

12288:Tj4C5sHSY+/o2Qa1s9W7aB4Qyux3qSMWTvPWWeh3ih9HlAhTCV:AC5sn+/ZIWK1x4mGBYTuC

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.wilcon.com.ph
Port:
587
Username:
[email protected]
Password:
password@cashier
Email To:
[email protected]

C2

https://api.telegram.org/bot5839027687:AAGrC4UWgd0JQxMHOf1dCehA-oSrYF_Bez8/sendMessage?chat_id=1094077450

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/1308-143-0x0000000000400000-0x0000000000426000-memory.dmp	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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	tmp_yefxj3l.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp_yefxj3l.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp_yefxj3l.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp_yefxj3l.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
125	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3836 set thread context of 1308	3836	tmp_yefxj3l.exe	91

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
3832	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5012	powershell.exe
1308	tmp_yefxj3l.exe
5012	powershell.exe
1308	tmp_yefxj3l.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5012	powershell.exe
Token: SeDebugPrivilege	1308	tmp_yefxj3l.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3836 wrote to memory of 5012	3836	tmp_yefxj3l.exe	87
PID 3836 wrote to memory of 5012	3836	tmp_yefxj3l.exe	87
PID 3836 wrote to memory of 5012	3836	tmp_yefxj3l.exe	87
PID 3836 wrote to memory of 3832	3836	tmp_yefxj3l.exe	89
PID 3836 wrote to memory of 3832	3836	tmp_yefxj3l.exe	89
PID 3836 wrote to memory of 3832	3836	tmp_yefxj3l.exe	89
PID 3836 wrote to memory of 1308	3836	tmp_yefxj3l.exe	91
PID 3836 wrote to memory of 1308	3836	tmp_yefxj3l.exe	91
PID 3836 wrote to memory of 1308	3836	tmp_yefxj3l.exe	91
PID 3836 wrote to memory of 1308	3836	tmp_yefxj3l.exe	91
PID 3836 wrote to memory of 1308	3836	tmp_yefxj3l.exe	91
PID 3836 wrote to memory of 1308	3836	tmp_yefxj3l.exe	91
PID 3836 wrote to memory of 1308	3836	tmp_yefxj3l.exe	91
PID 3836 wrote to memory of 1308	3836	tmp_yefxj3l.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp_yefxj3l.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp_yefxj3l.exe

C:\Users\Admin\AppData\Local\Temp\tmp_yefxj3l.exe
"C:\Users\Admin\AppData\Local\Temp\tmp_yefxj3l.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3836
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mcveldGLmqL.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5012
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mcveldGLmqL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3D95.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3832
- C:\Users\Admin\AppData\Local\Temp\tmp_yefxj3l.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp_yefxj3l.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1308

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3D95.tmp

Filesize
1KB

MD5
50ea7aec91ddb88912cfcdff0b12a5dc

SHA1
6906970d186d99c002bbb6100ccaf8431f591de2

SHA256
db02d37f5a067b7811f4934bd4d76a9e23ed0968eb0d2a8cac7b159640c93489

SHA512
e82b4d51315f536819c466390a75c15d8e560ef408613054216a13b5f322fc79bd98eb6defd5339f6e4555f9d641411bf00b015d7934bc84daec070ef28f2c82

Download Submit
memory/1308-143-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1308-158-0x0000000006220000-0x00000000063E2000-memory.dmp

Filesize
1.8MB

Download
memory/3836-133-0x0000000005810000-0x0000000005DB4000-memory.dmp

Filesize
5.6MB

Download
memory/3836-134-0x0000000005260000-0x00000000052F2000-memory.dmp

Filesize
584KB

Download
memory/3836-135-0x0000000005400000-0x000000000540A000-memory.dmp

Filesize
40KB

Download
memory/3836-136-0x00000000079C0000-0x0000000007A5C000-memory.dmp

Filesize
624KB

Download
memory/3836-132-0x00000000007B0000-0x0000000000858000-memory.dmp

Filesize
672KB

Download
memory/5012-144-0x00000000057B0000-0x00000000057D2000-memory.dmp

Filesize
136KB

Download
memory/5012-151-0x0000000007FC0000-0x000000000863A000-memory.dmp

Filesize
6.5MB

Download
memory/5012-139-0x0000000002D90000-0x0000000002DC6000-memory.dmp

Filesize
216KB

Download
memory/5012-145-0x0000000005F90000-0x0000000005FF6000-memory.dmp

Filesize
408KB

Download
memory/5012-146-0x0000000006000000-0x0000000006066000-memory.dmp

Filesize
408KB

Download
memory/5012-147-0x0000000006680000-0x000000000669E000-memory.dmp

Filesize
120KB

Download
memory/5012-148-0x0000000007630000-0x0000000007662000-memory.dmp

Filesize
200KB

Download
memory/5012-149-0x0000000070C80000-0x0000000070CCC000-memory.dmp

Filesize
304KB

Download
memory/5012-150-0x0000000006C30000-0x0000000006C4E000-memory.dmp

Filesize
120KB

Download
memory/5012-142-0x00000000058B0000-0x0000000005ED8000-memory.dmp

Filesize
6.2MB

Download
memory/5012-152-0x0000000007980000-0x000000000799A000-memory.dmp

Filesize
104KB

Download
memory/5012-153-0x00000000079F0000-0x00000000079FA000-memory.dmp

Filesize
40KB

Download
memory/5012-154-0x0000000007C00000-0x0000000007C96000-memory.dmp

Filesize
600KB

Download
memory/5012-155-0x0000000007BB0000-0x0000000007BBE000-memory.dmp

Filesize
56KB

Download
memory/5012-156-0x0000000007CC0000-0x0000000007CDA000-memory.dmp

Filesize
104KB

Download
memory/5012-157-0x0000000007CA0000-0x0000000007CA8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads