snakekeylogger | 613308a9ef0289f190c7f9ba6dac4209a93fcbda05d893716a6b40e6167102fd

Resubmissions

11/06/2024, 12:53

240611-p437saxekg 10

11/06/2024, 12:27

240611-pmrgnaxcpk 10

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
11/06/2024, 12:53

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Report Analysis Logs

General

Target

CTM USD28600.exe
Size

331KB
MD5

d5fc299eb2708903f3132b09af1ebdbb
SHA1

003efab8f439255094d2b8c63e096682509afb4f
SHA256

613308a9ef0289f190c7f9ba6dac4209a93fcbda05d893716a6b40e6167102fd
SHA512

e8577a48ffee301f2eebc13e2b784d65791dc477d1ff2f0fb761cc0a8d999eef024e8c37b74d070de49fb4538b32227e594e446c19ed4dde85e2f1af29326f20
SSDEEP

6144:ju9K5wR27SQn21/bFSj85xl/B2XiYVDc6q40YBgjMRbtvs:ju9K5d7SA2jS0xviiYSfwM

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:
~{w6R&q({me_
Email To:
[email protected]

http://103.130.147.85

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/2528-9-0x0000000000400000-0x0000000000426000-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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CTM USD28600.exe
Key opened	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CTM USD28600.exe
Key opened	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CTM USD28600.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.

flow	ioc
19	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3436 set thread context of 2528	3436	CTM USD28600.exe	88

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2528	CTM USD28600.exe
2528	CTM USD28600.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	CTM USD28600.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3436 wrote to memory of 2528	3436	CTM USD28600.exe	88
PID 3436 wrote to memory of 2528	3436	CTM USD28600.exe	88
PID 3436 wrote to memory of 2528	3436	CTM USD28600.exe	88
PID 3436 wrote to memory of 2528	3436	CTM USD28600.exe	88
PID 3436 wrote to memory of 2528	3436	CTM USD28600.exe	88
PID 3436 wrote to memory of 2528	3436	CTM USD28600.exe	88
PID 3436 wrote to memory of 2528	3436	CTM USD28600.exe	88
PID 3436 wrote to memory of 2528	3436	CTM USD28600.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CTM USD28600.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	CTM USD28600.exe

C:\Users\Admin\AppData\Local\Temp\CTM USD28600.exe
"C:\Users\Admin\AppData\Local\Temp\CTM USD28600.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\CTM USD28600.exe
  "C:\Users\Admin\AppData\Local\Temp\CTM USD28600.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2528-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2528-16-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/2528-15-0x0000000006410000-0x00000000065D2000-memory.dmp

Filesize
1.8MB

Download
memory/2528-14-0x00000000061F0000-0x0000000006240000-memory.dmp

Filesize
320KB

Download
memory/2528-11-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/2528-10-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/3436-8-0x00000000059B0000-0x00000000059B8000-memory.dmp

Filesize
32KB

Download
memory/3436-7-0x0000000005BD0000-0x0000000005C6C000-memory.dmp

Filesize
624KB

Download
memory/3436-0-0x0000000074F4E000-0x0000000074F4F000-memory.dmp

Filesize
4KB

Download
memory/3436-6-0x0000000005960000-0x00000000059B4000-memory.dmp

Filesize
336KB

Download
memory/3436-5-0x0000000005910000-0x000000000591A000-memory.dmp

Filesize
40KB

Download
memory/3436-4-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/3436-13-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/3436-3-0x00000000057E0000-0x0000000005872000-memory.dmp

Filesize
584KB

Download
memory/3436-2-0x0000000005E40000-0x00000000063E4000-memory.dmp

Filesize
5.6MB

Download
memory/3436-1-0x0000000000DB0000-0x0000000000E0A000-memory.dmp

Filesize
360KB

Download