snakekeylogger | a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
30-06-2024 15:13

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General

Target

MT Marine Tiger.exe
Size

1.9MB
MD5

2dcf1e9b4ca5afa19d7473f108aea256
SHA1

d2f554d2699fcddf1c2d65cc05739916aa0dae62
SHA256

a1aa961c8b1eb8e3627dceee8081d62544d84987b623b84addd7b92a35089c7d
SHA512

be82afc240c397e66742a019af1fe6464100eda77bb5b4bfb6e92856ae51b866554e51b500786902d79737ed1a4e2e02b845b034ec9d2abfd3ff6d9526587cde
SSDEEP

12288:7EC0huBtyjOQyaZyk3x2PulNQ5EcxhyBIpNOlV3d:AC4u/2x72PV5LxhclV3d

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
valleycountysar.org
Port:
26
Username:
[email protected]
Password:
fY,FLoadtsiF

Signatures

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

Snake Keylogger payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2864-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2864-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2864-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2864-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2864-8-0x0000000000400000-0x0000000000426000-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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

regasm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe
Key opened	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe
Key opened	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\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

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

Processes:

MT Marine Tiger.exe

description pid process target process

PID 2080 set thread context of 2864 2080 MT Marine Tiger.exe regasm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regasm.exe

pid process

2864 regasm.exe
2864 regasm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regasm.exe

description pid process

Token: SeDebugPrivilege 2864 regasm.exe

flow	ioc
2	checkip.dyndns.org

description	pid	process	target process
PID 2080 set thread context of 2864	2080	MT Marine Tiger.exe	regasm.exe

pid	process
2864	regasm.exe
2864	regasm.exe

description	pid	process
Token: SeDebugPrivilege	2864	regasm.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

MT Marine Tiger.exe

description	pid	process	target process
PID 2080 wrote to memory of 2864	2080	MT Marine Tiger.exe	regasm.exe
PID 2080 wrote to memory of 2864	2080	MT Marine Tiger.exe	regasm.exe
PID 2080 wrote to memory of 2864	2080	MT Marine Tiger.exe	regasm.exe
PID 2080 wrote to memory of 2864	2080	MT Marine Tiger.exe	regasm.exe
PID 2080 wrote to memory of 2864	2080	MT Marine Tiger.exe	regasm.exe
PID 2080 wrote to memory of 2864	2080	MT Marine Tiger.exe	regasm.exe
PID 2080 wrote to memory of 2864	2080	MT Marine Tiger.exe	regasm.exe
PID 2080 wrote to memory of 2864	2080	MT Marine Tiger.exe	regasm.exe
PID 2080 wrote to memory of 2864	2080	MT Marine Tiger.exe	regasm.exe
PID 2080 wrote to memory of 2864	2080	MT Marine Tiger.exe	regasm.exe
PID 2080 wrote to memory of 2864	2080	MT Marine Tiger.exe	regasm.exe
PID 2080 wrote to memory of 2864	2080	MT Marine Tiger.exe	regasm.exe
PID 2080 wrote to memory of 2732	2080	MT Marine Tiger.exe	WerFault.exe
PID 2080 wrote to memory of 2732	2080	MT Marine Tiger.exe	WerFault.exe
PID 2080 wrote to memory of 2732	2080	MT Marine Tiger.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

regasm.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 regasm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\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-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe

C:\Users\Admin\AppData\Local\Temp\MT Marine Tiger.exe
"C:\Users\Admin\AppData\Local\Temp\MT Marine Tiger.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2080

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:2864

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2080 -s 620
2⤵
PID:2732

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

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Downloads

memory/2080-0-0x000007FEF59C3000-0x000007FEF59C4000-memory.dmp

Filesize
4KB

Download
memory/2080-1-0x0000000000140000-0x0000000000148000-memory.dmp

Filesize
32KB

Download
memory/2080-2-0x0000000000310000-0x000000000038A000-memory.dmp

Filesize
488KB

Download
memory/2080-3-0x000007FEF59C0000-0x000007FEF63AC000-memory.dmp

Filesize
9.9MB

Download
memory/2080-19-0x000007FEF59C0000-0x000007FEF63AC000-memory.dmp

Filesize
9.9MB

Download
memory/2080-18-0x000007FEF59C3000-0x000007FEF59C4000-memory.dmp

Filesize
4KB

Download
memory/2864-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2864-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2864-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download