snakekeylogger | 4eaefd6f0e650e017e1c63205fd41f9f557568b15bf75afe80cfdf923fe114e5

General

Target

Invoice.exe
Size

1.2MB
MD5

1bcce4d52753f12d8f23e6637f094f1e
SHA1

a1a91a13707b4c25fd30ee5281cb9e4515903e01
SHA256

4eaefd6f0e650e017e1c63205fd41f9f557568b15bf75afe80cfdf923fe114e5
SHA512

9ba3ae65e4cc6ed3a9755a06671cb2e51ce0f2e078b4fcf7b87b7e13e4f44027199ca1a0512ed27ff20d3b75b4abe65f6fd8756bb68a38110baf3f0de35f68ad

Score

10^/10

snakekeylogger keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.iykmoreentrprise.org
Port:
587
Username:
zalatexinteriors@iykmoreentrprise.org
Password:
Z&6s7s.YLZZi

Signatures

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

Snake Keylogger Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/652-65-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral1/memory/652-66-0x000000000046458E-mapping.dmp	family_snakekeylogger
behavioral1/memory/652-67-0x0000000000400000-0x000000000046A000-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
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

5 checkip.dyndns.org
10 freegeoip.app
11 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

Invoice.exe

description pid process target process

PID 1920 set thread context of 652 1920 Invoice.exe Invoice.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Invoice.exe

pid process

652 Invoice.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Invoice.exe

description pid process

Token: SeDebugPrivilege 652 Invoice.exe

flow	ioc
5	checkip.dyndns.org
10	freegeoip.app
11	freegeoip.app

description	pid	process	target process
PID 1920 set thread context of 652	1920	Invoice.exe	Invoice.exe

pid	process
652	Invoice.exe

description	pid	process
Token: SeDebugPrivilege	652	Invoice.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Invoice.exe

description	pid	process	target process
PID 1920 wrote to memory of 652	1920	Invoice.exe	Invoice.exe
PID 1920 wrote to memory of 652	1920	Invoice.exe	Invoice.exe
PID 1920 wrote to memory of 652	1920	Invoice.exe	Invoice.exe
PID 1920 wrote to memory of 652	1920	Invoice.exe	Invoice.exe
PID 1920 wrote to memory of 652	1920	Invoice.exe	Invoice.exe
PID 1920 wrote to memory of 652	1920	Invoice.exe	Invoice.exe
PID 1920 wrote to memory of 652	1920	Invoice.exe	Invoice.exe
PID 1920 wrote to memory of 652	1920	Invoice.exe	Invoice.exe
PID 1920 wrote to memory of 652	1920	Invoice.exe	Invoice.exe

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1920

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:652

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/652-65-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/652-66-0x000000000046458E-mapping.dmp

Download
memory/652-67-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/652-69-0x0000000004D50000-0x0000000004D51000-memory.dmp

Filesize
4KB

Download
memory/1920-59-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

Filesize
4KB

Download
memory/1920-61-0x0000000000360000-0x0000000000370000-memory.dmp

Filesize
64KB

Download
memory/1920-62-0x0000000004D90000-0x0000000004D91000-memory.dmp

Filesize
4KB

Download
memory/1920-63-0x00000000057B0000-0x000000000583B000-memory.dmp

Filesize
556KB

Download
memory/1920-64-0x0000000007D80000-0x0000000007E16000-memory.dmp

Filesize
600KB

Download

Analysis

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