snakekeylogger | 8486657f43e4a772dd2897bf5518f792ce415953315105041cba5fd0f29c974d

General

Target

Vessel particulars.exe
Size

577KB
MD5

0fdbcbb3889319d8ce5951f8e6fd44b9
SHA1

80580f39f716672c6f153449148607d48e323c17
SHA256

c6c831bce42aaeb26dc18e8c54b3b101ece31a3dccd0ce563bb538602edc9c32
SHA512

c6eb85409f0638051ce07ba119b645b79781af9b7a6f682df17d0f69788fd2a5f0a98b126ca76c57bcb5996333a042c31b0f83a288d7fa983f7f34ff85d98b2a
SSDEEP

6144:ZbRKjP7nVEP1ACMeFAKtgRH1YyyQ3izJ5vSPdfpkzk6cjfn4k1LzVFRfGcUPgf3H:ZbRKjP7nep7FQrlsgdfpkfcvfGXPg/

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
yulifertilizer.com.my
Port:
25
Username:
[email protected]
Password:
Ayfc931319*
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4068-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger
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
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel particulars.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel particulars.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel particulars.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
5	checkip.dyndns.org
13	reallyfreegeoip.org
14	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1800 set thread context of 4068	1800	Vessel particulars.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 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	Vessel particulars.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Vessel particulars.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4068	Vessel particulars.exe
4068	Vessel particulars.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4068	Vessel particulars.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 4068	1800	Vessel particulars.exe	83
PID 1800 wrote to memory of 4068	1800	Vessel particulars.exe	83
PID 1800 wrote to memory of 4068	1800	Vessel particulars.exe	83
PID 1800 wrote to memory of 4068	1800	Vessel particulars.exe	83
PID 1800 wrote to memory of 4068	1800	Vessel particulars.exe	83
PID 1800 wrote to memory of 4068	1800	Vessel particulars.exe	83
PID 1800 wrote to memory of 4068	1800	Vessel particulars.exe	83
PID 1800 wrote to memory of 4068	1800	Vessel particulars.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel particulars.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel particulars.exe

C:\Users\Admin\AppData\Local\Temp\Vessel particulars.exe
"C:\Users\Admin\AppData\Local\Temp\Vessel particulars.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Users\Admin\AppData\Local\Temp\Vessel particulars.exe
  "C:\Users\Admin\AppData\Local\Temp\Vessel particulars.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4068

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
706B

MD5
2ef5ef69dadb8865b3d5b58c956077b8

SHA1
af2d869bac00685c745652bbd8b3fe82829a8998

SHA256
363502eb2a4e53ba02d2d85412b901fcf8e06de221736bdffa949799ef3d21e3

SHA512
66d4db5dd17d88e1d54ea0df3a7211a503dc4355de701259cefccc9f2e4e3ced9534b700099ffbb089a5a3acb082011c80b61801aa14aff76b379ce8f90d4fd3

Download Submit
memory/1800-12-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/1800-1-0x0000000000600000-0x0000000000696000-memory.dmp

Filesize
600KB

Download
memory/1800-2-0x0000000004FC0000-0x0000000005016000-memory.dmp

Filesize
344KB

Download
memory/1800-3-0x0000000005690000-0x0000000005C34000-memory.dmp

Filesize
5.6MB

Download
memory/1800-4-0x0000000005180000-0x0000000005212000-memory.dmp

Filesize
584KB

Download
memory/1800-5-0x0000000005220000-0x00000000052BC000-memory.dmp

Filesize
624KB

Download
memory/1800-6-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/1800-7-0x00000000050F0000-0x00000000050F8000-memory.dmp

Filesize
32KB

Download
memory/1800-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

Filesize
4KB

Download
memory/4068-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4068-11-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/4068-13-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download
memory/4068-14-0x0000000006A80000-0x0000000006AD0000-memory.dmp

Filesize
320KB

Download
memory/4068-15-0x0000000006CA0000-0x0000000006E62000-memory.dmp

Filesize
1.8MB

Download
memory/4068-16-0x0000000006A60000-0x0000000006A6A000-memory.dmp

Filesize
40KB

Download
memory/4068-17-0x00000000749F0000-0x00000000751A0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing