snakekeylogger | cf373d59d88f1f5ef32f5a9f9c39d00cab9d6befc520a851f22580b7b875085b

Analysis

max time kernel
103s
max time network
110s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
26-06-2024 21:06

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General

Target

z1MB267382625AE.exe
Size

1.7MB
MD5

f0a7781c9a02f82dbf8da76b84ca87fc
SHA1

d06d67bb9d00f66d0517ffd9d32c703f00b33640
SHA256

cf373d59d88f1f5ef32f5a9f9c39d00cab9d6befc520a851f22580b7b875085b
SHA512

c8eab7b5c6c1d21ac47764ec978fe5b12260fc3f8d4a57a5939bc5d7e0707eee03c1631e1945087d200974e9b0fb621ca739596af9ecf28b47b430b21b0a1beb
SSDEEP

49152:vOD+bTI6YTDml4HJPHDQkOBU0f9iygcrxZ3aU5ZqIrRo2ht1N1avkoU:uv85H

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.speedhouseoman.com
Port:
587
Username:
[email protected]
Password:
SpH@0084

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger
Snake Keylogger payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/4004-0-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger
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

resource	yara_rule
behavioral2/memory/4004-0-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

regasm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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.

Processes:

flow ioc

6 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

z1MB267382625AE.exe

description pid process target process

PID 5020 set thread context of 4004 5020 z1MB267382625AE.exe regasm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regasm.exe

pid process

4004 regasm.exe
4004 regasm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regasm.exe

description pid process

Token: SeDebugPrivilege 4004 regasm.exe

flow	ioc
6	checkip.dyndns.org

description	pid	process	target process
PID 5020 set thread context of 4004	5020	z1MB267382625AE.exe	regasm.exe

pid	process
4004	regasm.exe
4004	regasm.exe

description	pid	process
Token: SeDebugPrivilege	4004	regasm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

z1MB267382625AE.exe

description	pid	process	target process
PID 5020 wrote to memory of 4004	5020	z1MB267382625AE.exe	regasm.exe
PID 5020 wrote to memory of 4004	5020	z1MB267382625AE.exe	regasm.exe
PID 5020 wrote to memory of 4004	5020	z1MB267382625AE.exe	regasm.exe
PID 5020 wrote to memory of 4004	5020	z1MB267382625AE.exe	regasm.exe
PID 5020 wrote to memory of 4004	5020	z1MB267382625AE.exe	regasm.exe
PID 5020 wrote to memory of 4004	5020	z1MB267382625AE.exe	regasm.exe
PID 5020 wrote to memory of 4004	5020	z1MB267382625AE.exe	regasm.exe
PID 5020 wrote to memory of 4004	5020	z1MB267382625AE.exe	regasm.exe

outlook_office_path 1 IoCs

Processes:

regasm.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe

outlook_win_path 1 IoCs

Processes:

regasm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe

C:\Users\Admin\AppData\Local\Temp\z1MB267382625AE.exe
"C:\Users\Admin\AppData\Local\Temp\z1MB267382625AE.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5020

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:4004

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/4004-0-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4004-1-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/4004-2-0x0000000005460000-0x0000000005A04000-memory.dmp

Filesize
5.6MB

Download
memory/4004-3-0x0000000004D90000-0x0000000004E2C000-memory.dmp

Filesize
624KB

Download
memory/4004-4-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/4004-5-0x0000000005F60000-0x0000000005FB0000-memory.dmp

Filesize
320KB

Download
memory/4004-6-0x0000000006180000-0x0000000006342000-memory.dmp

Filesize
1.8MB

Download
memory/4004-7-0x0000000006050000-0x00000000060E2000-memory.dmp

Filesize
584KB

Download
memory/4004-8-0x0000000005FE0000-0x0000000005FEA000-memory.dmp

Filesize
40KB

Download
memory/4004-9-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

Filesize
4KB

Download
memory/4004-10-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download