snakekeylogger | a7ac92c130b490bf02e9e87922d0a4e45735b7478915a0f687d8fbb2e1d90c00

General

Target

vessel particulars.exe
Size

540KB
MD5

74d70f8356487059e8162b3d95477890
SHA1

e579054b9325db2af1b137daf424df95f71cd97f
SHA256

2c2a013dbc6d7012967ca889d283b0b572e7ca4cf3ac39e9e21ba27e60893996
SHA512

1bafd419b3ab6c260d0ca1893688c411f7a07209358f939edbacbdfd277e507f7a933d88c29df3e2d56eb8db12b72c535701a5068e69ad870aebd3f157a5cf0e
SSDEEP

12288:oiU+RfWk1j15DQZC4oiEMxYWiy2XQ4RPlA24:oi3fWi2ZC41Ejy2Xpf

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8043217727:AAHet_KMDJubZguJgq0Cp7yrQCzgcnbbXpU/sendMessage?chat_id=6247294228

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/3656-9-0x0000000000400000-0x0000000000426000-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-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vessel particulars.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vessel particulars.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vessel particulars.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
7	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1320 set thread context of 3656	1320	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
3656	vessel particulars.exe
3656	vessel particulars.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3656	vessel particulars.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 3656	1320	vessel particulars.exe	83
PID 1320 wrote to memory of 3656	1320	vessel particulars.exe	83
PID 1320 wrote to memory of 3656	1320	vessel particulars.exe	83
PID 1320 wrote to memory of 3656	1320	vessel particulars.exe	83
PID 1320 wrote to memory of 3656	1320	vessel particulars.exe	83
PID 1320 wrote to memory of 3656	1320	vessel particulars.exe	83
PID 1320 wrote to memory of 3656	1320	vessel particulars.exe	83
PID 1320 wrote to memory of 3656	1320	vessel particulars.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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-1-5-21-3350944739-639801879-157714471-1000\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:1320
- 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:3656

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

memory/1320-8-0x00000000052E0000-0x00000000052E8000-memory.dmp

Filesize
32KB

Download
memory/1320-4-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/1320-0-0x000000007526E000-0x000000007526F000-memory.dmp

Filesize
4KB

Download
memory/1320-3-0x0000000005020000-0x00000000050B2000-memory.dmp

Filesize
584KB

Download
memory/1320-13-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/1320-5-0x00000000051D0000-0x00000000051DA000-memory.dmp

Filesize
40KB

Download
memory/1320-6-0x0000000005270000-0x00000000052C4000-memory.dmp

Filesize
336KB

Download
memory/1320-12-0x000000007526E000-0x000000007526F000-memory.dmp

Filesize
4KB

Download
memory/1320-2-0x00000000054F0000-0x0000000005A94000-memory.dmp

Filesize
5.6MB

Download
memory/1320-1-0x00000000005D0000-0x000000000065E000-memory.dmp

Filesize
568KB

Download
memory/1320-7-0x0000000005390000-0x000000000542C000-memory.dmp

Filesize
624KB

Download
memory/3656-11-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/3656-10-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/3656-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3656-14-0x0000000075260000-0x0000000075A10000-memory.dmp

Filesize
7.7MB

Download
memory/3656-15-0x00000000063A0000-0x00000000063F0000-memory.dmp

Filesize
320KB

Download
memory/3656-16-0x00000000065C0000-0x0000000006782000-memory.dmp

Filesize
1.8MB

Download

Analysis

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