snakekeylogger | 8e697aa7f5271c0c246970f87c2974f29e70b4ba54a2f7ff187ba7bc2e234075

Resubmissions

23-05-2023 03:10

230523-dpep4aed7t 10

22-05-2023 18:19

230522-wx6gwscf5w 10

Analysis

max time kernel
105s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2023 18:19

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General

Target

SKM22882023 pdf.exe
Size

1.0MB
MD5

8eecb7d05b0685f6547d2f527a3256e3
SHA1

e04a91a8cffb045aec3a96612788b5e9c43e3165
SHA256

8e697aa7f5271c0c246970f87c2974f29e70b4ba54a2f7ff187ba7bc2e234075
SHA512

a47fe3383a9bbe96110cb33f7c66466b44e3c1b3fd9e421792350e5e8495c5738a0f2b409e67f29312d91ddc65dc49326918fee67e5d64ce4a63b40da3879b3f
SSDEEP

24576:DR1oOfJKY9rrOG8ygWoo89Dhfcjo3PpaXz90G15UbC5JZ:D1b9e7CQhUjo3PpaB0w9JZ

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

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 1 IoCs

resource	yara_rule
behavioral2/memory/2332-140-0x0000000000400000-0x000000000047C000-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-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM22882023 pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM22882023 pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM22882023 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
61	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4860 set thread context of 2332	4860	SKM22882023 pdf.exe	95

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2332	SKM22882023 pdf.exe
2332	SKM22882023 pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2332	SKM22882023 pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4860 wrote to memory of 2332	4860	SKM22882023 pdf.exe	95
PID 4860 wrote to memory of 2332	4860	SKM22882023 pdf.exe	95
PID 4860 wrote to memory of 2332	4860	SKM22882023 pdf.exe	95
PID 4860 wrote to memory of 2332	4860	SKM22882023 pdf.exe	95
PID 4860 wrote to memory of 2332	4860	SKM22882023 pdf.exe	95
PID 4860 wrote to memory of 2332	4860	SKM22882023 pdf.exe	95
PID 4860 wrote to memory of 2332	4860	SKM22882023 pdf.exe	95
PID 4860 wrote to memory of 2332	4860	SKM22882023 pdf.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM22882023 pdf.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM22882023 pdf.exe

C:\Users\Admin\AppData\Local\Temp\SKM22882023 pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SKM22882023 pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4860
- C:\Users\Admin\AppData\Local\Temp\SKM22882023 pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\SKM22882023 pdf.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2332

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SKM22882023 pdf.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2332-140-0x0000000000400000-0x000000000047C000-memory.dmp

Filesize
496KB

Download
memory/2332-143-0x0000000005150000-0x0000000005160000-memory.dmp

Filesize
64KB

Download
memory/2332-144-0x0000000005150000-0x0000000005160000-memory.dmp

Filesize
64KB

Download
memory/4860-133-0x0000000000B70000-0x0000000000C80000-memory.dmp

Filesize
1.1MB

Download
memory/4860-134-0x0000000005B00000-0x00000000060A4000-memory.dmp

Filesize
5.6MB

Download
memory/4860-135-0x0000000005630000-0x00000000056C2000-memory.dmp

Filesize
584KB

Download
memory/4860-136-0x00000000056F0000-0x00000000056FA000-memory.dmp

Filesize
40KB

Download
memory/4860-137-0x00000000057A0000-0x00000000057B0000-memory.dmp

Filesize
64KB

Download
memory/4860-138-0x00000000057A0000-0x00000000057B0000-memory.dmp

Filesize
64KB

Download
memory/4860-139-0x0000000007260000-0x00000000072FC000-memory.dmp

Filesize
624KB

Download