snakekeylogger | 5c613c7403edd5e27a26a3f5aec588ce9c75806a9ce7892ff6fdfc615f80367e

General

Target

SKM37891098 pdf.exe
Size

938KB
MD5

dbb8ee14bfc39cac3c4b224ce08abdbe
SHA1

d0781ca32fbf607a6d5f4e791b59883881bd2178
SHA256

5c613c7403edd5e27a26a3f5aec588ce9c75806a9ce7892ff6fdfc615f80367e
SHA512

b80d54d80330c2c0def6b4573e3e867111a4c998c58d1dfd930a9713c964aaab519b62a6193a439195557513d78accf7f6d680c7a1748684657a87a1fe4b57a4
SSDEEP

24576:vplfkrl84la+DFBN445l6LbowIRtAfyTI:vHMrl8GnNF6LEwUyq

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6069996781:AAHmYgsHwRzaV1_6EovGh5IzcjEeVnsIkLk/sendMessage?chat_id=1734299596

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/564-63-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/564-64-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/564-66-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/564-68-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral1/memory/564-70-0x0000000000400000-0x000000000047C000-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-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM37891098 pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM37891098 pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM37891098 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 1616 set thread context of 564	1616	SKM37891098 pdf.exe	27

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
564	SKM37891098 pdf.exe
564	SKM37891098 pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	564	SKM37891098 pdf.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 564	1616	SKM37891098 pdf.exe	27
PID 1616 wrote to memory of 564	1616	SKM37891098 pdf.exe	27
PID 1616 wrote to memory of 564	1616	SKM37891098 pdf.exe	27
PID 1616 wrote to memory of 564	1616	SKM37891098 pdf.exe	27
PID 1616 wrote to memory of 564	1616	SKM37891098 pdf.exe	27
PID 1616 wrote to memory of 564	1616	SKM37891098 pdf.exe	27
PID 1616 wrote to memory of 564	1616	SKM37891098 pdf.exe	27
PID 1616 wrote to memory of 564	1616	SKM37891098 pdf.exe	27
PID 1616 wrote to memory of 564	1616	SKM37891098 pdf.exe	27

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM37891098 pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM37891098 pdf.exe

C:\Users\Admin\AppData\Local\Temp\SKM37891098 pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SKM37891098 pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Users\Admin\AppData\Local\Temp\SKM37891098 pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\SKM37891098 pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:564

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/564-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/564-68-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/564-62-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/564-63-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/564-73-0x0000000005230000-0x0000000005296000-memory.dmp

Filesize
408KB

Download
memory/564-72-0x0000000000480000-0x000000000048A000-memory.dmp

Filesize
40KB

Download
memory/564-71-0x0000000004D10000-0x0000000004D50000-memory.dmp

Filesize
256KB

Download
memory/564-61-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/564-70-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/564-74-0x0000000004D10000-0x0000000004D50000-memory.dmp

Filesize
256KB

Download
memory/564-66-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/564-64-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/1616-54-0x00000000001B0000-0x00000000002A0000-memory.dmp

Filesize
960KB

Download
memory/1616-55-0x0000000002110000-0x0000000002150000-memory.dmp

Filesize
256KB

Download
memory/1616-56-0x00000000004E0000-0x00000000004EC000-memory.dmp

Filesize
48KB

Download
memory/1616-60-0x00000000057D0000-0x0000000005850000-memory.dmp

Filesize
512KB

Download
memory/1616-59-0x0000000005890000-0x0000000005948000-memory.dmp

Filesize
736KB

Download
memory/1616-58-0x0000000000510000-0x000000000051A000-memory.dmp

Filesize
40KB

Download
memory/1616-57-0x0000000002110000-0x0000000002150000-memory.dmp

Filesize
256KB

Download

Analysis

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