snakekeylogger | 6e701ca2323f6aaafcdeb4f580c715b65b2365078e7a28a0a553e71458d1a2d9

General

Target

vessel parts.exe
Size

843KB
MD5

c63baf6b614f49328d64a2ba07326318
SHA1

f1b942c3f2b8b11b2559d6853cc14b5594838b7d
SHA256

6e701ca2323f6aaafcdeb4f580c715b65b2365078e7a28a0a553e71458d1a2d9
SHA512

843a009614ac9736549614339653ef576b67cfe83f82ef0192a44476286eb82cfdd452542eaec396b44b9881350c0a3d36544994d46da8603a0281123af36d53
SSDEEP

12288:ZhJ3hFP9lAujqmowJiCWzOeNQN2hDNGm:Zzhh7Auyw0CBoQNWG

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.valleycountysar.org
Port:
26
Username:
[email protected]
Password:
fByO63o,P5i8
Email To:
[email protected]

Signatures

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

Snake Keylogger payload 6 IoCs

resource	yara_rule
behavioral1/memory/1736-67-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1736-69-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1736-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1736-71-0x00000000004201EE-mapping.dmp	family_snakekeylogger
behavioral1/memory/1736-73-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1736-75-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vessel parts.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vessel parts.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vessel parts.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1380 set thread context of 1736	1380	vessel parts.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1776	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1736	vessel parts.exe
660	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1736	vessel parts.exe
Token: SeDebugPrivilege	660	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1380 wrote to memory of 660	1380	vessel parts.exe	27
PID 1380 wrote to memory of 660	1380	vessel parts.exe	27
PID 1380 wrote to memory of 660	1380	vessel parts.exe	27
PID 1380 wrote to memory of 660	1380	vessel parts.exe	27
PID 1380 wrote to memory of 1776	1380	vessel parts.exe	29
PID 1380 wrote to memory of 1776	1380	vessel parts.exe	29
PID 1380 wrote to memory of 1776	1380	vessel parts.exe	29
PID 1380 wrote to memory of 1776	1380	vessel parts.exe	29
PID 1380 wrote to memory of 1736	1380	vessel parts.exe	31
PID 1380 wrote to memory of 1736	1380	vessel parts.exe	31
PID 1380 wrote to memory of 1736	1380	vessel parts.exe	31
PID 1380 wrote to memory of 1736	1380	vessel parts.exe	31
PID 1380 wrote to memory of 1736	1380	vessel parts.exe	31
PID 1380 wrote to memory of 1736	1380	vessel parts.exe	31
PID 1380 wrote to memory of 1736	1380	vessel parts.exe	31
PID 1380 wrote to memory of 1736	1380	vessel parts.exe	31
PID 1380 wrote to memory of 1736	1380	vessel parts.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vessel parts.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vessel parts.exe

C:\Users\Admin\AppData\Local\Temp\vessel parts.exe
"C:\Users\Admin\AppData\Local\Temp\vessel parts.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1380
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IvEGjLFeIPZNYd.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:660
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IvEGjLFeIPZNYd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE995.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1776
- C:\Users\Admin\AppData\Local\Temp\vessel parts.exe
  "C:\Users\Admin\AppData\Local\Temp\vessel parts.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1736

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE995.tmp

Filesize
1KB

MD5
7baf85580987a1e45c4ff299c663ea53

SHA1
f77ee6d08b6d913a13e940993d7f5f427550f13d

SHA256
175978cb709264c9e603e5fb7a8e67f7af161591b8e554998c11f154153fe071

SHA512
c2454461a47afef8b1706f8deab371bf0ae0ba5bd72e3891ff266929eefcc04fa7232cad97a29d17216aa1661e87dfea71fe7dead90752282e09d5742fc3153e

Download Submit
memory/660-77-0x0000000072E60000-0x000000007340B000-memory.dmp

Filesize
5.7MB

Download
memory/1380-63-0x0000000005000000-0x0000000005026000-memory.dmp

Filesize
152KB

Download
memory/1380-58-0x0000000007E90000-0x0000000007F10000-memory.dmp

Filesize
512KB

Download
memory/1380-57-0x00000000005F0000-0x00000000005FC000-memory.dmp

Filesize
48KB

Download
memory/1380-55-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download
memory/1380-56-0x00000000005A0000-0x00000000005BA000-memory.dmp

Filesize
104KB

Download
memory/1380-54-0x0000000000E40000-0x0000000000F1A000-memory.dmp

Filesize
872KB

Download
memory/1736-65-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1736-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1736-67-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1736-69-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1736-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1736-73-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1736-75-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads