snakekeylogger | 54ff1770f677ae7bf279580fb067002e50386651e4dab5fadb0b0cf3d72d7a97

General

Target

Factura S240123.pdf (84K).pif.exe
Size

1.1MB
MD5

2a18ad34e11edf059f6d58904565fd85
SHA1

3e08945face1240667063a58ee7bbe4a77a9823b
SHA256

54ff1770f677ae7bf279580fb067002e50386651e4dab5fadb0b0cf3d72d7a97
SHA512

a4cf99cf7e57c24f8d8c23f1029779358759d9fc002cc5730e148434d38ec180ae4895dc1c85e4eefb136dc7f563254b1074da8707b50c939b26be45c468dab2
SSDEEP

24576:Q1yn+3SItj1VYLj1m/YJmA1yn+3SItj1VYLj1m/YJmM:QZCI3VuQAZCI3VuQM

Score

10^/10

snakekeylogger collection execution keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.dispasteur.com
Port:
587
Username:
[email protected]
Password:
369*Pasteur73
Email To:
[email protected]

C2

http://103.130.147.85

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2632-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2632-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2632-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2632-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2632-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2976	powershell.exe

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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura S240123.pdf (84K).pif.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura S240123.pdf (84K).pif.exe
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura S240123.pdf (84K).pif.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1752 set thread context of 2632	1752	Factura S240123.pdf (84K).pif.exe	31

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

System Information Discovery
T1082

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1640	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1752	Factura S240123.pdf (84K).pif.exe
1752	Factura S240123.pdf (84K).pif.exe
1752	Factura S240123.pdf (84K).pif.exe
2632	Factura S240123.pdf (84K).pif.exe
2976	powershell.exe
2632	Factura S240123.pdf (84K).pif.exe
2632	Factura S240123.pdf (84K).pif.exe
2632	Factura S240123.pdf (84K).pif.exe
2632	Factura S240123.pdf (84K).pif.exe
2632	Factura S240123.pdf (84K).pif.exe
2632	Factura S240123.pdf (84K).pif.exe
2632	Factura S240123.pdf (84K).pif.exe
2632	Factura S240123.pdf (84K).pif.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1752	Factura S240123.pdf (84K).pif.exe
Token: SeDebugPrivilege	2632	Factura S240123.pdf (84K).pif.exe
Token: SeDebugPrivilege	2976	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2976	1752	Factura S240123.pdf (84K).pif.exe	28
PID 1752 wrote to memory of 2976	1752	Factura S240123.pdf (84K).pif.exe	28
PID 1752 wrote to memory of 2976	1752	Factura S240123.pdf (84K).pif.exe	28
PID 1752 wrote to memory of 2976	1752	Factura S240123.pdf (84K).pif.exe	28
PID 1752 wrote to memory of 2568	1752	Factura S240123.pdf (84K).pif.exe	30
PID 1752 wrote to memory of 2568	1752	Factura S240123.pdf (84K).pif.exe	30
PID 1752 wrote to memory of 2568	1752	Factura S240123.pdf (84K).pif.exe	30
PID 1752 wrote to memory of 2568	1752	Factura S240123.pdf (84K).pif.exe	30
PID 1752 wrote to memory of 2632	1752	Factura S240123.pdf (84K).pif.exe	31
PID 1752 wrote to memory of 2632	1752	Factura S240123.pdf (84K).pif.exe	31
PID 1752 wrote to memory of 2632	1752	Factura S240123.pdf (84K).pif.exe	31
PID 1752 wrote to memory of 2632	1752	Factura S240123.pdf (84K).pif.exe	31
PID 1752 wrote to memory of 2632	1752	Factura S240123.pdf (84K).pif.exe	31
PID 1752 wrote to memory of 2632	1752	Factura S240123.pdf (84K).pif.exe	31
PID 1752 wrote to memory of 2632	1752	Factura S240123.pdf (84K).pif.exe	31
PID 1752 wrote to memory of 2632	1752	Factura S240123.pdf (84K).pif.exe	31
PID 1752 wrote to memory of 2632	1752	Factura S240123.pdf (84K).pif.exe	31
PID 576 wrote to memory of 1640	576	cmd.exe	39
PID 576 wrote to memory of 1640	576	cmd.exe	39
PID 576 wrote to memory of 1640	576	cmd.exe	39

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura S240123.pdf (84K).pif.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura S240123.pdf (84K).pif.exe

C:\Users\Admin\AppData\Local\Temp\Factura S240123.pdf (84K).pif.exe
"C:\Users\Admin\AppData\Local\Temp\Factura S240123.pdf (84K).pif.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Factura S240123.pdf (84K).pif.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2976
- C:\Users\Admin\AppData\Local\Temp\Factura S240123.pdf (84K).pif.exe
  "C:\Users\Admin\AppData\Local\Temp\Factura S240123.pdf (84K).pif.exe"
  2⤵
  PID:2568
- C:\Users\Admin\AppData\Local\Temp\Factura S240123.pdf (84K).pif.exe
  "C:\Users\Admin\AppData\Local\Temp\Factura S240123.pdf (84K).pif.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2632

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2420

C:\Windows\system32\cmd.exe
"C:\Windows\system32\cmd.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:576
- C:\Windows\system32\ipconfig.exe
  ipconfig
  2⤵
  - Gathers network information
  PID:1640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1752-0-0x000000007491E000-0x000000007491F000-memory.dmp

Filesize
4KB

Download
memory/1752-1-0x0000000000E80000-0x0000000000F10000-memory.dmp

Filesize
576KB

Download
memory/1752-2-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/1752-3-0x0000000000DE0000-0x0000000000E62000-memory.dmp

Filesize
520KB

Download
memory/1752-4-0x0000000000700000-0x0000000000718000-memory.dmp

Filesize
96KB

Download
memory/1752-5-0x00000000004B0000-0x00000000004C0000-memory.dmp

Filesize
64KB

Download
memory/1752-6-0x0000000004FC0000-0x0000000005028000-memory.dmp

Filesize
416KB

Download
memory/1752-18-0x0000000074910000-0x0000000074FFE000-memory.dmp

Filesize
6.9MB

Download
memory/2632-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2632-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2632-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2632-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2632-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2632-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2632-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2632-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

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