snakekeylogger | 9eb40372237691f70f98fd3b46e040131d0e1144e62a79ce3709f4ed786907e0

General

Target

INV 002000-2023.exe
Size

1.1MB
MD5

e6a3824b28ef184b23ccca2f28dca151
SHA1

b6bd15342f2842f7a27b96fced186c3fbe003daf
SHA256

9eb40372237691f70f98fd3b46e040131d0e1144e62a79ce3709f4ed786907e0
SHA512

26d6d5d5adfab6a89a9dba91cafabadfbe210fd635606a3b451eab089355335b85f027b148f092382f249c85cd3b8c16be31310957b078aaccd0bc55423dabe2
SSDEEP

12288:1DdNuif+9gLHHPrpg6+R4cSbEX7ULxMtwprXauFRovStpBmfYx58QVC6gnu5242H:HNuiWGLHHPrpg6+R4K9gpgwoTnjBT

Score

10^/10

snakekeylogger collection keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5434559816:AAEK4UyY4a6PcJctHP2Ip_JJDu3VHM5TgBU/sendMessage?chat_id=935548406

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/972-60-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/972-62-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/972-63-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/972-64-0x000000000041FD8E-mapping.dmp	family_snakekeylogger
behavioral1/memory/972-66-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral1/memory/972-68-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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
3	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1672 set thread context of 972	1672	INV 002000-2023.exe	27

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2028	972	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
972	MSBuild.exe
972	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	972	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 972	1672	INV 002000-2023.exe	27
PID 1672 wrote to memory of 972	1672	INV 002000-2023.exe	27
PID 1672 wrote to memory of 972	1672	INV 002000-2023.exe	27
PID 1672 wrote to memory of 972	1672	INV 002000-2023.exe	27
PID 1672 wrote to memory of 972	1672	INV 002000-2023.exe	27
PID 1672 wrote to memory of 972	1672	INV 002000-2023.exe	27
PID 1672 wrote to memory of 972	1672	INV 002000-2023.exe	27
PID 1672 wrote to memory of 972	1672	INV 002000-2023.exe	27
PID 1672 wrote to memory of 972	1672	INV 002000-2023.exe	27
PID 972 wrote to memory of 2028	972	MSBuild.exe	28
PID 972 wrote to memory of 2028	972	MSBuild.exe	28
PID 972 wrote to memory of 2028	972	MSBuild.exe	28
PID 972 wrote to memory of 2028	972	MSBuild.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\INV 002000-2023.exe
"C:\Users\Admin\AppData\Local\Temp\INV 002000-2023.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\MSBuild.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 972 -s 1064
    3⤵
    - Program crash
    PID:2028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/972-62-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/972-57-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/972-58-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/972-60-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/972-63-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/972-66-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/972-68-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/972-69-0x00000000757A1000-0x00000000757A3000-memory.dmp

Filesize
8KB

Download
memory/1672-55-0x0000000000200000-0x0000000000212000-memory.dmp

Filesize
72KB

Download
memory/1672-56-0x0000000000220000-0x0000000000228000-memory.dmp

Filesize
32KB

Download
memory/1672-54-0x00000000009A0000-0x0000000000ABC000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing