snakekeylogger | 2a2ddd46e762a33bd47b94a93f06a0a8560b868e8a37e5f1b9d6515ead3e974b

General

Target

MT Marine Tiger Particulars.exe
Size

708KB
MD5

2a6bbd32779fe304a44a73568897f49d
SHA1

f77f48709630c9c04cc12de8b286f21ecd05b7d4
SHA256

2a2ddd46e762a33bd47b94a93f06a0a8560b868e8a37e5f1b9d6515ead3e974b
SHA512

568e9b8e2fffbc705f702110cfe74bfdeebde8bc99059abab34b860a5d6bfd6a97cb6029a51b4dcf66091e09863b1eb4207555393d3922847b8466c3f5086c0d
SSDEEP

12288:W8pYTbiR6P4mpQO9odLg8EJk0xcNuoOO+1/1CtXu02WB2fBNDark:9pY06P4qpzTCtXdJB2fBNOr

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

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/2100-9-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2100-11-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2100-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2100-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2100-20-0x0000000000400000-0x0000000000426000-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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\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 Particulars.exe

description pid process target process

PID 2268 set thread context of 2100 2268 MT Marine Tiger Particulars.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

2100 RegAsm.exe
2100 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2100 RegAsm.exe

flow	ioc
2	checkip.dyndns.org

description	pid	process	target process
PID 2268 set thread context of 2100	2268	MT Marine Tiger Particulars.exe	RegAsm.exe

pid	process
2100	RegAsm.exe
2100	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2100	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

MT Marine Tiger Particulars.exe

description	pid	process	target process
PID 2268 wrote to memory of 2100	2268	MT Marine Tiger Particulars.exe	RegAsm.exe
PID 2268 wrote to memory of 2100	2268	MT Marine Tiger Particulars.exe	RegAsm.exe
PID 2268 wrote to memory of 2100	2268	MT Marine Tiger Particulars.exe	RegAsm.exe
PID 2268 wrote to memory of 2100	2268	MT Marine Tiger Particulars.exe	RegAsm.exe
PID 2268 wrote to memory of 2100	2268	MT Marine Tiger Particulars.exe	RegAsm.exe
PID 2268 wrote to memory of 2100	2268	MT Marine Tiger Particulars.exe	RegAsm.exe
PID 2268 wrote to memory of 2100	2268	MT Marine Tiger Particulars.exe	RegAsm.exe
PID 2268 wrote to memory of 2100	2268	MT Marine Tiger Particulars.exe	RegAsm.exe
PID 2268 wrote to memory of 2100	2268	MT Marine Tiger Particulars.exe	RegAsm.exe
PID 2268 wrote to memory of 2100	2268	MT Marine Tiger Particulars.exe	RegAsm.exe
PID 2268 wrote to memory of 2100	2268	MT Marine Tiger Particulars.exe	RegAsm.exe
PID 2268 wrote to memory of 2100	2268	MT Marine Tiger Particulars.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\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-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\MT Marine Tiger Particulars.exe
"C:\Users\Admin\AppData\Local\Temp\MT Marine Tiger Particulars.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2268

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:2100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2100-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2100-11-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2100-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2100-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2100-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2100-5-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2100-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2100-7-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2268-0-0x0000000000A30000-0x0000000000AE6000-memory.dmp

Filesize
728KB

Download
memory/2268-1-0x0000000074930000-0x000000007501E000-memory.dmp

Filesize
6.9MB

Download
memory/2268-4-0x00000000005B0000-0x00000000005B8000-memory.dmp

Filesize
32KB

Download
memory/2268-17-0x0000000074930000-0x000000007501E000-memory.dmp

Filesize
6.9MB

Download
memory/2268-2-0x0000000004A80000-0x0000000004AC0000-memory.dmp

Filesize
256KB

Download
memory/2268-3-0x0000000001EF0000-0x0000000001F44000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads