snakekeylogger | 99cf88c829d3c072a3ed4cdd282d9876f4bc32fa3ccfa12180910caa15ba351e

Analysis

max time kernel
60s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
21/02/2023, 11:51

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General

Target
file.exe
Size 2.6MB
Sample230221-nz6axaef84
SHA256 99cf88c829d3c072a3ed4cdd282d9876f4bc32fa3ccfa12180910caa15ba351e
MD5 f63d1177b27d49722a2e797a78e48c93
SHA1 9368992b4e2f116ab78b1c15c7d381372ed32b56
SHA512 0f632e0c2e9a36325e6347c321abd4d6eef56b8a7f892928e44c68665d6d62d78f2d63790f4ea983298957a0235d645763de80abb93978fccf7b9a1ed12ac4a1
SSDEEP 24576:F0s1A8HoNMgpJXtLi4A0GKtHpumB+9a9JyM58DnB8eDDz73COrJcaTYOdue:r1A8HoNMgpJk4bGePUBFrHTYk
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol
smtp
Host
mail.dasmake.info
Port
587
Username
[email protected]
Password
logger1960@@@@
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/3744-135-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger

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-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.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 2784 set thread context of 3744	2784	file.exe	82

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3744	RegAsm.exe
3744	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3744	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2784 wrote to memory of 3744	2784	file.exe	82
PID 2784 wrote to memory of 3744	2784	file.exe	82
PID 2784 wrote to memory of 3744	2784	file.exe	82
PID 2784 wrote to memory of 3744	2784	file.exe	82
PID 2784 wrote to memory of 3744	2784	file.exe	82
PID 2784 wrote to memory of 3744	2784	file.exe	82
PID 2784 wrote to memory of 3744	2784	file.exe	82
PID 2784 wrote to memory of 3744	2784	file.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2784
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RegAsm.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3744

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2784-133-0x0000000000CD0000-0x0000000000F78000-memory.dmp

Download

memory/2784-134-0x0000000003020000-0x0000000003030000-memory.dmp

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memory/3744-135-0x0000000000400000-0x000000000047C000-memory.dmp

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memory/3744-137-0x00000000054F0000-0x0000000005A94000-memory.dmp

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memory/3744-138-0x0000000004F40000-0x0000000004FDC000-memory.dmp

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memory/3744-139-0x0000000004F30000-0x0000000004F40000-memory.dmp

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memory/3744-140-0x00000000064B0000-0x0000000006542000-memory.dmp

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memory/3744-141-0x0000000006320000-0x000000000632A000-memory.dmp

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memory/3744-142-0x0000000004F30000-0x0000000004F40000-memory.dmp

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