snakekeylogger | 13c9a7d889aedbf547fcdbca4e40482fe5c22abdbb16952b8287c2d10e316037

General

Target

Vessel details.exe
Size

760KB
MD5

b94c080f200e5753ea7152dbded67b82
SHA1

40d6f50acfc666ed9c6d702fce1ff348a3e2340c
SHA256

13c9a7d889aedbf547fcdbca4e40482fe5c22abdbb16952b8287c2d10e316037
SHA512

4794b0ff8b712c2b4f9c05fbe83b3be6f32f06f8431644c1e475f5969e392e61080a4a12b4946b870696da3f795878e69b6700f0b8082bc0722ad0b7d081177a
SSDEEP

12288:I5MYr05MYr85MYrn3zrmeCcGdBCZCNouadKgr9ePz:IGSJvJCddBaCNGe

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 1 IoCs

resource	yara_rule
behavioral2/memory/1376-8-0x0000000000400000-0x0000000000426000-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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel details.exe
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel details.exe
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel details.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
25	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4844 set thread context of 1376	4844	Vessel details.exe	92

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1376	Vessel details.exe
1376	Vessel details.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1376	Vessel details.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4844 wrote to memory of 1376	4844	Vessel details.exe	92
PID 4844 wrote to memory of 1376	4844	Vessel details.exe	92
PID 4844 wrote to memory of 1376	4844	Vessel details.exe	92
PID 4844 wrote to memory of 1376	4844	Vessel details.exe	92
PID 4844 wrote to memory of 1376	4844	Vessel details.exe	92
PID 4844 wrote to memory of 1376	4844	Vessel details.exe	92
PID 4844 wrote to memory of 1376	4844	Vessel details.exe	92
PID 4844 wrote to memory of 1376	4844	Vessel details.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel details.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel details.exe

C:\Users\Admin\AppData\Local\Temp\Vessel details.exe
"C:\Users\Admin\AppData\Local\Temp\Vessel details.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4844
- C:\Users\Admin\AppData\Local\Temp\Vessel details.exe
  "C:\Users\Admin\AppData\Local\Temp\Vessel details.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1376

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Vessel details.exe.log

Filesize
706B

MD5
2ef5ef69dadb8865b3d5b58c956077b8

SHA1
af2d869bac00685c745652bbd8b3fe82829a8998

SHA256
363502eb2a4e53ba02d2d85412b901fcf8e06de221736bdffa949799ef3d21e3

SHA512
66d4db5dd17d88e1d54ea0df3a7211a503dc4355de701259cefccc9f2e4e3ced9534b700099ffbb089a5a3acb082011c80b61801aa14aff76b379ce8f90d4fd3

Download Submit
memory/1376-13-0x0000000005B20000-0x0000000005B30000-memory.dmp

Filesize
64KB

Download
memory/1376-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1376-18-0x0000000006CA0000-0x0000000006CAA000-memory.dmp

Filesize
40KB

Download
memory/1376-17-0x0000000006E30000-0x0000000006FF2000-memory.dmp

Filesize
1.8MB

Download
memory/1376-12-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/1376-16-0x0000000006C10000-0x0000000006C60000-memory.dmp

Filesize
320KB

Download
memory/1376-15-0x0000000005B20000-0x0000000005B30000-memory.dmp

Filesize
64KB

Download
memory/1376-14-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4844-6-0x0000000005AE0000-0x0000000005B7C000-memory.dmp

Filesize
624KB

Download
memory/4844-5-0x0000000005A30000-0x0000000005A40000-memory.dmp

Filesize
64KB

Download
memory/4844-3-0x0000000005870000-0x0000000005902000-memory.dmp

Filesize
584KB

Download
memory/4844-1-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4844-11-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4844-7-0x00000000059B0000-0x00000000059B8000-memory.dmp

Filesize
32KB

Download
memory/4844-2-0x0000000005F40000-0x00000000064E4000-memory.dmp

Filesize
5.6MB

Download
memory/4844-4-0x0000000005910000-0x0000000005964000-memory.dmp

Filesize
336KB

Download
memory/4844-0-0x0000000000DD0000-0x0000000000E94000-memory.dmp

Filesize
784KB

Download

Analysis

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