snakekeylogger | f0df0ec243153f35a5522715fb79c372fde175ad98596185ec2eea5a16a535bf

General

Target

MT Marine Tiger Particulars.exe
Size

515KB
MD5

dfdd7ffec44bc0be0c4d58f33a7428ed
SHA1

a352935a55ea1e1bb3e9853b6971806b1e64bf48
SHA256

f0df0ec243153f35a5522715fb79c372fde175ad98596185ec2eea5a16a535bf
SHA512

4dd5ea906f6113a2aec3f7d03edc45ba86f9b8d9c14b81ef15acca133f8d5d83997904a0733fab522f3ff71cc88c14b647f1e96af86aecddc392a33b6ef9e879
SSDEEP

12288:sXiF3PPBQI0qkGSdbd4dHlCTO3pb2ASwUHqGUS:sm3PPBQIZUdYFCT6dSVrU

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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4348-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral2/memory/4348-12-0x0000000005680000-0x0000000005690000-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-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\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

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

Processes:

MT Marine Tiger Particulars.exe

description pid process target process

PID 2980 set thread context of 4348 2980 MT Marine Tiger Particulars.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

4348 RegAsm.exe
4348 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 4348 RegAsm.exe

flow	ioc
33	checkip.dyndns.org

description	pid	process	target process
PID 2980 set thread context of 4348	2980	MT Marine Tiger Particulars.exe	RegAsm.exe

pid	process
4348	RegAsm.exe
4348	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4348	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

MT Marine Tiger Particulars.exe

description	pid	process	target process
PID 2980 wrote to memory of 4348	2980	MT Marine Tiger Particulars.exe	RegAsm.exe
PID 2980 wrote to memory of 4348	2980	MT Marine Tiger Particulars.exe	RegAsm.exe
PID 2980 wrote to memory of 4348	2980	MT Marine Tiger Particulars.exe	RegAsm.exe
PID 2980 wrote to memory of 4348	2980	MT Marine Tiger Particulars.exe	RegAsm.exe
PID 2980 wrote to memory of 4348	2980	MT Marine Tiger Particulars.exe	RegAsm.exe
PID 2980 wrote to memory of 4348	2980	MT Marine Tiger Particulars.exe	RegAsm.exe
PID 2980 wrote to memory of 4348	2980	MT Marine Tiger Particulars.exe	RegAsm.exe
PID 2980 wrote to memory of 4348	2980	MT Marine Tiger Particulars.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\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-1-5-21-1815711207-1844170477-3539718864-1000\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:2980

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:4348

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

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Downloads

memory/2980-10-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/2980-1-0x00000000007B0000-0x0000000000836000-memory.dmp

Filesize
536KB

Download
memory/2980-2-0x0000000005350000-0x0000000005360000-memory.dmp

Filesize
64KB

Download
memory/2980-3-0x0000000002CD0000-0x0000000002D24000-memory.dmp

Filesize
336KB

Download
memory/2980-4-0x0000000005910000-0x0000000005EB4000-memory.dmp

Filesize
5.6MB

Download
memory/2980-5-0x0000000005360000-0x00000000053F2000-memory.dmp

Filesize
584KB

Download
memory/2980-6-0x0000000005400000-0x000000000549C000-memory.dmp

Filesize
624KB

Download
memory/2980-7-0x00000000052B0000-0x00000000052B8000-memory.dmp

Filesize
32KB

Download
memory/2980-0-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/4348-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4348-11-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/4348-12-0x0000000005680000-0x0000000005690000-memory.dmp

Filesize
64KB

Download
memory/4348-13-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/4348-14-0x0000000005680000-0x0000000005690000-memory.dmp

Filesize
64KB

Download
memory/4348-15-0x0000000006A70000-0x0000000006AC0000-memory.dmp

Filesize
320KB

Download
memory/4348-16-0x0000000006C90000-0x0000000006E52000-memory.dmp

Filesize
1.8MB

Download
memory/4348-17-0x0000000006AF0000-0x0000000006AFA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads