snakekeylogger | e89683ea60a246d6fc1744cafaacc17872fe348a3d655793d6513a1271151e60

General

Target

PO031656.exe
Size

893KB
MD5

49107ecd2118e55b971088b19d1f05b2
SHA1

7978c25b86b47dba57daefe69f897338ed0d3694
SHA256

e89683ea60a246d6fc1744cafaacc17872fe348a3d655793d6513a1271151e60
SHA512

557aa31b3a37455005ade68b9cb000e3fcb75cbc369025be12475a40b4b7161e203ab21dcea3f9955ae3efae56d13f4caace24eaf4946dbc0ffec3c00975a85c

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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2836-125-0x0000000000400000-0x000000000046A000-memory.dmp	family_snakekeylogger
behavioral2/memory/2836-126-0x000000000046457E-mapping.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

14 checkip.dyndns.org
17 freegeoip.app
18 freegeoip.app
Suspicious use of SetThreadContext 1 IoCs

Processes:

PO031656.exe

description pid process target process

PID 3920 set thread context of 2836 3920 PO031656.exe PO031656.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PO031656.exePO031656.exe

pid process

3920 PO031656.exe
3920 PO031656.exe
2836 PO031656.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO031656.exePO031656.exe

description pid process

Token: SeDebugPrivilege 3920 PO031656.exe
Token: SeDebugPrivilege 2836 PO031656.exe

flow	ioc
14	checkip.dyndns.org
17	freegeoip.app
18	freegeoip.app

description	pid	process	target process
PID 3920 set thread context of 2836	3920	PO031656.exe	PO031656.exe

pid	process
3920	PO031656.exe
3920	PO031656.exe
2836	PO031656.exe

description	pid	process
Token: SeDebugPrivilege	3920	PO031656.exe
Token: SeDebugPrivilege	2836	PO031656.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PO031656.exe

description	pid	process	target process
PID 3920 wrote to memory of 1996	3920	PO031656.exe	PO031656.exe
PID 3920 wrote to memory of 1996	3920	PO031656.exe	PO031656.exe
PID 3920 wrote to memory of 1996	3920	PO031656.exe	PO031656.exe
PID 3920 wrote to memory of 2836	3920	PO031656.exe	PO031656.exe
PID 3920 wrote to memory of 2836	3920	PO031656.exe	PO031656.exe
PID 3920 wrote to memory of 2836	3920	PO031656.exe	PO031656.exe
PID 3920 wrote to memory of 2836	3920	PO031656.exe	PO031656.exe
PID 3920 wrote to memory of 2836	3920	PO031656.exe	PO031656.exe
PID 3920 wrote to memory of 2836	3920	PO031656.exe	PO031656.exe
PID 3920 wrote to memory of 2836	3920	PO031656.exe	PO031656.exe
PID 3920 wrote to memory of 2836	3920	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:3920

C:\Users\Admin\AppData\Local\Temp\PO031656.exe
"C:\Users\Admin\AppData\Local\Temp\PO031656.exe"
2⤵
PID:1996

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:2836

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO031656.exe.log
MD5
90acfd72f14a512712b1a7380c0faf60

SHA1
40ba4accb8faa75887e84fb8e38d598dc8cf0f12

SHA256
20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

SHA512
29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

Download Submit
memory/2836-125-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2836-133-0x0000000006AA0000-0x0000000006AA1000-memory.dmp

Filesize
4KB

Download
memory/2836-132-0x00000000056F0000-0x00000000056F1000-memory.dmp

Filesize
4KB

Download
memory/2836-126-0x000000000046457E-mapping.dmp

Download
memory/3920-121-0x00000000053F0000-0x00000000053F1000-memory.dmp

Filesize
4KB

Download
memory/3920-114-0x0000000000850000-0x0000000000851000-memory.dmp

Filesize
4KB

Download
memory/3920-122-0x00000000054A0000-0x00000000054B0000-memory.dmp

Filesize
64KB

Download
memory/3920-123-0x00000000076F0000-0x000000000775D000-memory.dmp

Filesize
436KB

Download
memory/3920-124-0x0000000009DB0000-0x0000000009E23000-memory.dmp

Filesize
460KB

Download
memory/3920-120-0x00000000051F0000-0x00000000051F1000-memory.dmp

Filesize
4KB

Download
memory/3920-119-0x00000000051F0000-0x00000000056EE000-memory.dmp

Filesize
5.0MB

Download
memory/3920-118-0x0000000005290000-0x0000000005291000-memory.dmp

Filesize
4KB

Download
memory/3920-117-0x00000000056F0000-0x00000000056F1000-memory.dmp

Filesize
4KB

Download
memory/3920-116-0x0000000005150000-0x0000000005151000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing