snakekeylogger | 46aa4f1d9cfac7afb22ca106dd124be3bcb1c3a412459814a40de1aba167af11

General

Target

Vessel Particulars.exe
Size

577KB
MD5

4237c00e84b2d51cafacb2138162cbc5
SHA1

25f0c93b6a804e4e2a52c758b90a93edcbecb0a4
SHA256

c06be77fce382a3d36bd47d86b611f6b7fe053a8b3068efe1297a0426449dbeb
SHA512

4f2a2c333216b816fcd183fff8ef8ffa28146e75c5bb8ba7ed9330f6a47cb009edc723686b6c688c511dc0508b9bb92c1099b4122e2073c79f54273dd3a18858
SSDEEP

12288:ZbRKjP7nesYuGmI3PRgoriXT1AP7fRXPgM:DKjP7esYuGmGPqxqTZ

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
webmail.active.by
Port:
25
Username:
[email protected]
Password:
geecf683:m
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3324-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger 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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Particulars.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Particulars.exe
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Particulars.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
8	checkip.dyndns.org
15	reallyfreegeoip.org
16	reallyfreegeoip.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2184 set thread context of 3324	2184	Vessel Particulars.exe	83

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Vessel Particulars.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Vessel Particulars.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3324	Vessel Particulars.exe
3324	Vessel Particulars.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3324	Vessel Particulars.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 3324	2184	Vessel Particulars.exe	83
PID 2184 wrote to memory of 3324	2184	Vessel Particulars.exe	83
PID 2184 wrote to memory of 3324	2184	Vessel Particulars.exe	83
PID 2184 wrote to memory of 3324	2184	Vessel Particulars.exe	83
PID 2184 wrote to memory of 3324	2184	Vessel Particulars.exe	83
PID 2184 wrote to memory of 3324	2184	Vessel Particulars.exe	83
PID 2184 wrote to memory of 3324	2184	Vessel Particulars.exe	83
PID 2184 wrote to memory of 3324	2184	Vessel Particulars.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Particulars.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Particulars.exe

C:\Users\Admin\AppData\Local\Temp\Vessel Particulars.exe
"C:\Users\Admin\AppData\Local\Temp\Vessel Particulars.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Local\Temp\Vessel Particulars.exe
  "C:\Users\Admin\AppData\Local\Temp\Vessel Particulars.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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 Particulars.exe.log

Filesize
706B

MD5
2ef5ef69dadb8865b3d5b58c956077b8

SHA1
af2d869bac00685c745652bbd8b3fe82829a8998

SHA256
363502eb2a4e53ba02d2d85412b901fcf8e06de221736bdffa949799ef3d21e3

SHA512
66d4db5dd17d88e1d54ea0df3a7211a503dc4355de701259cefccc9f2e4e3ced9534b700099ffbb089a5a3acb082011c80b61801aa14aff76b379ce8f90d4fd3

Download Submit
memory/2184-12-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/2184-1-0x0000000000420000-0x00000000004B6000-memory.dmp

Filesize
600KB

Download
memory/2184-2-0x0000000004DE0000-0x0000000004E36000-memory.dmp

Filesize
344KB

Download
memory/2184-3-0x00000000054C0000-0x0000000005A64000-memory.dmp

Filesize
5.6MB

Download
memory/2184-4-0x0000000004FB0000-0x0000000005042000-memory.dmp

Filesize
584KB

Download
memory/2184-5-0x0000000005050000-0x00000000050EC000-memory.dmp

Filesize
624KB

Download
memory/2184-6-0x0000000004F10000-0x0000000004F18000-memory.dmp

Filesize
32KB

Download
memory/2184-7-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/2184-0-0x0000000074F3E000-0x0000000074F3F000-memory.dmp

Filesize
4KB

Download
memory/3324-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3324-11-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/3324-13-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/3324-14-0x0000000074F30000-0x00000000756E0000-memory.dmp

Filesize
7.7MB

Download
memory/3324-15-0x0000000006490000-0x00000000064E0000-memory.dmp

Filesize
320KB

Download
memory/3324-16-0x00000000066B0000-0x0000000006872000-memory.dmp

Filesize
1.8MB

Download
memory/3324-17-0x0000000006510000-0x000000000651A000-memory.dmp

Filesize
40KB

Download

Analysis

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