snakekeylogger | 0312ca773d06b41b2906310879143c0737bb66dbfda5d01ec1ec69d4cfb58adc

General

Target

TT return copy .pdf.exe
Size

1.0MB
MD5

10d17b5b38280ae719f8e8d9bb68422b
SHA1

5679dc8fcbd8f4bae164494e361590d52f04d431
SHA256

0312ca773d06b41b2906310879143c0737bb66dbfda5d01ec1ec69d4cfb58adc
SHA512

8bd099546edf4910010966821afdfdbe41f8f2dd41a501fa65cfd56799380639f9329614fcb9dfd5e4d6800e1db6564ed9c78623b94082100cee663d72fb3f22
SSDEEP

24576:EwrVZ96e5wbe71SW3dslTfhdVWq2FS2qef2:D3Tse77CTPVEFS2

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5302690346:AAHm8HQofEvDG4ubNtPRHLfVIUU5VWSx970/sendMessage?chat_id=1673719962

Signatures

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

Snake Keylogger payload 7 IoCs

resource	yara_rule
behavioral1/memory/1772-63-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1772-64-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1772-66-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1772-68-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1772-70-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1772-71-0x00000000003B0000-0x00000000003F0000-memory.dmp	family_snakekeylogger
behavioral1/memory/1772-72-0x00000000003B0000-0x00000000003F0000-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-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TT return copy .pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TT return copy .pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TT return copy .pdf.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 948 set thread context of 1772	948	TT return copy .pdf.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1772	TT return copy .pdf.exe
1772	TT return copy .pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1772	TT return copy .pdf.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 948 wrote to memory of 1772	948	TT return copy .pdf.exe	28
PID 948 wrote to memory of 1772	948	TT return copy .pdf.exe	28
PID 948 wrote to memory of 1772	948	TT return copy .pdf.exe	28
PID 948 wrote to memory of 1772	948	TT return copy .pdf.exe	28
PID 948 wrote to memory of 1772	948	TT return copy .pdf.exe	28
PID 948 wrote to memory of 1772	948	TT return copy .pdf.exe	28
PID 948 wrote to memory of 1772	948	TT return copy .pdf.exe	28
PID 948 wrote to memory of 1772	948	TT return copy .pdf.exe	28
PID 948 wrote to memory of 1772	948	TT return copy .pdf.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TT return copy .pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TT return copy .pdf.exe

C:\Users\Admin\AppData\Local\Temp\TT return copy .pdf.exe
"C:\Users\Admin\AppData\Local\Temp\TT return copy .pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:948
- C:\Users\Admin\AppData\Local\Temp\TT return copy .pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\TT return copy .pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1772

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/948-54-0x0000000000C80000-0x0000000000D8A000-memory.dmp

Filesize
1.0MB

Download
memory/948-55-0x0000000004C00000-0x0000000004C40000-memory.dmp

Filesize
256KB

Download
memory/948-56-0x0000000000510000-0x0000000000530000-memory.dmp

Filesize
128KB

Download
memory/948-57-0x0000000004C00000-0x0000000004C40000-memory.dmp

Filesize
256KB

Download
memory/948-58-0x0000000000570000-0x000000000057C000-memory.dmp

Filesize
48KB

Download
memory/948-59-0x0000000005830000-0x00000000058D2000-memory.dmp

Filesize
648KB

Download
memory/948-60-0x0000000000BA0000-0x0000000000BC8000-memory.dmp

Filesize
160KB

Download
memory/1772-61-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1772-62-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1772-63-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1772-64-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1772-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1772-66-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1772-68-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1772-70-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1772-71-0x00000000003B0000-0x00000000003F0000-memory.dmp

Filesize
256KB

Download
memory/1772-72-0x00000000003B0000-0x00000000003F0000-memory.dmp

Filesize
256KB

Download

Analysis

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