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 2 IoCs

resource	yara_rule
behavioral2/memory/380-140-0x0000000000400000-0x000000000047C000-memory.dmp	family_snakekeylogger
behavioral2/memory/380-143-0x0000000004E80000-0x0000000004E90000-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-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM37891098 pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM37891098 pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\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
29	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1740 set thread context of 380	1740	SKM37891098 pdf.exe	90

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1740	SKM37891098 pdf.exe
1740	SKM37891098 pdf.exe
380	SKM37891098 pdf.exe
380	SKM37891098 pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1740	SKM37891098 pdf.exe
Token: SeDebugPrivilege	380	SKM37891098 pdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2004	1740	SKM37891098 pdf.exe	89
PID 1740 wrote to memory of 2004	1740	SKM37891098 pdf.exe	89
PID 1740 wrote to memory of 2004	1740	SKM37891098 pdf.exe	89
PID 1740 wrote to memory of 380	1740	SKM37891098 pdf.exe	90
PID 1740 wrote to memory of 380	1740	SKM37891098 pdf.exe	90
PID 1740 wrote to memory of 380	1740	SKM37891098 pdf.exe	90
PID 1740 wrote to memory of 380	1740	SKM37891098 pdf.exe	90
PID 1740 wrote to memory of 380	1740	SKM37891098 pdf.exe	90
PID 1740 wrote to memory of 380	1740	SKM37891098 pdf.exe	90
PID 1740 wrote to memory of 380	1740	SKM37891098 pdf.exe	90
PID 1740 wrote to memory of 380	1740	SKM37891098 pdf.exe	90

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\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-1-5-21-2548970870-3691742953-3895070203-1000\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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Users\Admin\AppData\Local\Temp\SKM37891098 pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\SKM37891098 pdf.exe"
  2⤵
  PID:2004
- 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:380

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SKM37891098 pdf.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/380-140-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/380-143-0x0000000004E80000-0x0000000004E90000-memory.dmp

Filesize
64KB

Download
memory/380-144-0x0000000004E80000-0x0000000004E90000-memory.dmp

Filesize
64KB

Download
memory/1740-133-0x0000000000030000-0x0000000000120000-memory.dmp

Filesize
960KB

Download
memory/1740-134-0x0000000004FC0000-0x0000000005564000-memory.dmp

Filesize
5.6MB

Download
memory/1740-135-0x0000000004AD0000-0x0000000004B62000-memory.dmp

Filesize
584KB

Download
memory/1740-136-0x0000000004C70000-0x0000000004C7A000-memory.dmp

Filesize
40KB

Download
memory/1740-137-0x0000000004D30000-0x0000000004D40000-memory.dmp

Filesize
64KB

Download
memory/1740-138-0x0000000004D30000-0x0000000004D40000-memory.dmp

Filesize
64KB

Download
memory/1740-139-0x0000000006850000-0x00000000068EC000-memory.dmp

Filesize
624KB

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Analysis

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