snakekeylogger | 8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299 | Triage

Analysis

max time kernel
141s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
24-10-2023 20:19

Sharing

Report Analysis Logs

General

Target

NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe
Size

432KB
MD5

38c7d78e5d7cfad455053448c7861505
SHA1

f354edfb44d8c47bbdd20ec8b73da46175b4989b
SHA256

8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299
SHA512

29ec81a7086d6c4a0f86985a91337055126d1bac29a9f8acc800499742dbd1b1ff5a5e0bbc2e8768546f2a14e5a75faed378499b3e7e05cb5b6f05f10528bf7a
SSDEEP

12288:zD7gUinfOOazylCH8hTk5WukXBfYrOiqoe5:cfOOazy5CWukXBO

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6754900376:AAGYXoJTG6DIGlzBESgGpB5cShe07Imh7JY/sendMessage?chat_id=5007084465

Signatures

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

Snake Keylogger payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/744-8-0x0000000000400000-0x0000000000424000-memory.dmp	family_snakekeylogger
behavioral2/memory/744-13-0x0000000005800000-0x0000000005810000-memory.dmp	family_snakekeylogger

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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

Email Collection

Processes:

NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe
Key opened	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe
Key opened	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.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.

Processes:

flow ioc

28 checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe

description	pid	process	target process
PID 1852 set thread context of 744	1852	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe

pid	process
744	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe
744	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe

description pid process

Token: SeDebugPrivilege 744 NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe

description	pid	process	target process
PID 1852 wrote to memory of 744	1852	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe
PID 1852 wrote to memory of 744	1852	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe
PID 1852 wrote to memory of 744	1852	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe
PID 1852 wrote to memory of 744	1852	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe
PID 1852 wrote to memory of 744	1852	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe
PID 1852 wrote to memory of 744	1852	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe
PID 1852 wrote to memory of 744	1852	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe
PID 1852 wrote to memory of 744	1852	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe

outlook_office_path 1 IoCs

Processes:

NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe

outlook_win_path 1 IoCs

Processes:

NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1852

C:\Users\Admin\AppData\Local\Temp\NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe
C:\Users\Admin\AppData\Local\Temp\NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

Credentials In Files

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NEAS.8f37fbe5ad7ab657d74837c722b3719561a8f6ad9153ac3e803a654d06041299exe_JC.exe.log

Filesize
706B

MD5
2ef5ef69dadb8865b3d5b58c956077b8

SHA1
af2d869bac00685c745652bbd8b3fe82829a8998

SHA256
363502eb2a4e53ba02d2d85412b901fcf8e06de221736bdffa949799ef3d21e3

SHA512
66d4db5dd17d88e1d54ea0df3a7211a503dc4355de701259cefccc9f2e4e3ced9534b700099ffbb089a5a3acb082011c80b61801aa14aff76b379ce8f90d4fd3

Download Submit
memory/744-13-0x0000000005800000-0x0000000005810000-memory.dmp

Filesize
64KB

Download
memory/744-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/744-18-0x0000000006CE0000-0x0000000006CEA000-memory.dmp

Filesize
40KB

Download
memory/744-17-0x0000000006D00000-0x0000000006EC2000-memory.dmp

Filesize
1.8MB

Download
memory/744-11-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/744-16-0x0000000006AE0000-0x0000000006B30000-memory.dmp

Filesize
320KB

Download
memory/744-15-0x0000000005800000-0x0000000005810000-memory.dmp

Filesize
64KB

Download
memory/744-14-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/1852-6-0x00000000069D0000-0x0000000006A6C000-memory.dmp

Filesize
624KB

Download
memory/1852-5-0x00000000068B0000-0x0000000006904000-memory.dmp

Filesize
336KB

Download
memory/1852-3-0x0000000005810000-0x00000000058A2000-memory.dmp

Filesize
584KB

Download
memory/1852-0-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/1852-12-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/1852-7-0x0000000006930000-0x000000000693A000-memory.dmp

Filesize
40KB

Download
memory/1852-2-0x0000000005D20000-0x00000000062C4000-memory.dmp

Filesize
5.6MB

Download
memory/1852-4-0x0000000005A70000-0x0000000005A80000-memory.dmp

Filesize
64KB

Download
memory/1852-1-0x0000000000D70000-0x0000000000DE2000-memory.dmp

Filesize
456KB

Download