snakekeylogger | bef8873a0b223b7f3d49854b3de46890b6f3363eadedf395a768b05b87c93d5f

General

Target

PO031656.exe
Size

896KB
MD5

8b351752b1721536fb923560f4a12f69
SHA1

fe9e5cf16d15177781dfdee64f937fbb80d0b32e
SHA256

bef8873a0b223b7f3d49854b3de46890b6f3363eadedf395a768b05b87c93d5f
SHA512

7a10954d2723021ac617c6f5b62c3f0b6aedf8be1cae4c5c5e30d413523e80be3ef4a68593d31c8b36fca4313c72a948dfaa80bcd1dbb74f2861681d7275dfdc

Score

10^/10

snakekeylogger keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
nicolas.sautter@chsauter-bc.com
Password:
111aaa

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/640-67-0x000000000046457E-mapping.dmp	family_snakekeylogger
behavioral1/memory/640-66-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral1/memory/640-68-0x0000000000400000-0x000000000046A000-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:

PO031656.exe

description pid process target process

PID 840 set thread context of 640 840 PO031656.exe PO031656.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

PO031656.exePO031656.exe

pid process

840 PO031656.exe
840 PO031656.exe
840 PO031656.exe
840 PO031656.exe
640 PO031656.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO031656.exePO031656.exe

description pid process

Token: SeDebugPrivilege 840 PO031656.exe
Token: SeDebugPrivilege 640 PO031656.exe

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

description	pid	process	target process
PID 840 set thread context of 640	840	PO031656.exe	PO031656.exe

pid	process
840	PO031656.exe
840	PO031656.exe
840	PO031656.exe
840	PO031656.exe
640	PO031656.exe

description	pid	process
Token: SeDebugPrivilege	840	PO031656.exe
Token: SeDebugPrivilege	640	PO031656.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

PO031656.exe

description	pid	process	target process
PID 840 wrote to memory of 860	840	PO031656.exe	PO031656.exe
PID 840 wrote to memory of 860	840	PO031656.exe	PO031656.exe
PID 840 wrote to memory of 860	840	PO031656.exe	PO031656.exe
PID 840 wrote to memory of 860	840	PO031656.exe	PO031656.exe
PID 840 wrote to memory of 932	840	PO031656.exe	PO031656.exe
PID 840 wrote to memory of 932	840	PO031656.exe	PO031656.exe
PID 840 wrote to memory of 932	840	PO031656.exe	PO031656.exe
PID 840 wrote to memory of 932	840	PO031656.exe	PO031656.exe
PID 840 wrote to memory of 640	840	PO031656.exe	PO031656.exe
PID 840 wrote to memory of 640	840	PO031656.exe	PO031656.exe
PID 840 wrote to memory of 640	840	PO031656.exe	PO031656.exe
PID 840 wrote to memory of 640	840	PO031656.exe	PO031656.exe
PID 840 wrote to memory of 640	840	PO031656.exe	PO031656.exe
PID 840 wrote to memory of 640	840	PO031656.exe	PO031656.exe
PID 840 wrote to memory of 640	840	PO031656.exe	PO031656.exe
PID 840 wrote to memory of 640	840	PO031656.exe	PO031656.exe
PID 840 wrote to memory of 640	840	PO031656.exe	PO031656.exe

C:\Users\Admin\AppData\Local\Temp\PO031656.exe
"C:\Users\Admin\AppData\Local\Temp\PO031656.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:840

C:\Users\Admin\AppData\Local\Temp\PO031656.exe
"C:\Users\Admin\AppData\Local\Temp\PO031656.exe"
2⤵
PID:860

C:\Users\Admin\AppData\Local\Temp\PO031656.exe
"C:\Users\Admin\AppData\Local\Temp\PO031656.exe"
2⤵
PID:932

C:\Users\Admin\AppData\Local\Temp\PO031656.exe
"C:\Users\Admin\AppData\Local\Temp\PO031656.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:640

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/640-67-0x000000000046457E-mapping.dmp

Download
memory/640-66-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/640-68-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/640-70-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

Filesize
4KB

Download
memory/840-60-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/840-62-0x0000000004EE0000-0x0000000004EE1000-memory.dmp

Filesize
4KB

Download
memory/840-63-0x0000000000440000-0x0000000000450000-memory.dmp

Filesize
64KB

Download
memory/840-64-0x00000000051B0000-0x000000000521C000-memory.dmp

Filesize
432KB

Download
memory/840-65-0x0000000005580000-0x00000000055F3000-memory.dmp

Filesize
460KB

Download

Analysis

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