snakekeylogger | 741caf63351d781a3c4c7b613947695c76bb5ebe864d53eb93acd9548a82038c

General

Target

PO-VHR-S235029B.exe
Size

881KB
MD5

97bf3e9ac8d864df3fe745391b1d7b5c
SHA1

19f6b1148326286635c38a74e0a0f9b222632ade
SHA256

741caf63351d781a3c4c7b613947695c76bb5ebe864d53eb93acd9548a82038c
SHA512

f27be725cb11bbc51110fb4f7e8843c011394baf08f267231d2d176033e651e77bdd37d197a14126b11043e9a94023c29c828ea9e811bb48c1401a13a653bd9a
SSDEEP

12288:HW16FiPUY4eVPd0JTJxbh8FIGQSlxZc+b0/SOp3LzKBFxtXkUB1Z4J:24FEUYV6Xbg/bZcrl3vKBFksQ

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5818680343:AAGVJsfIHcopySiifMCdAaFCv-ICp2_Yo_M/sendMessage?chat_id=5765702254

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/576-140-0x0000000000400000-0x0000000000426000-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-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-VHR-S235029B.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-VHR-S235029B.exe
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-VHR-S235029B.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
50	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3052 set thread context of 576	3052	PO-VHR-S235029B.exe	92

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
576	PO-VHR-S235029B.exe
576	PO-VHR-S235029B.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	576	PO-VHR-S235029B.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 576	3052	PO-VHR-S235029B.exe	92
PID 3052 wrote to memory of 576	3052	PO-VHR-S235029B.exe	92
PID 3052 wrote to memory of 576	3052	PO-VHR-S235029B.exe	92
PID 3052 wrote to memory of 576	3052	PO-VHR-S235029B.exe	92
PID 3052 wrote to memory of 576	3052	PO-VHR-S235029B.exe	92
PID 3052 wrote to memory of 576	3052	PO-VHR-S235029B.exe	92
PID 3052 wrote to memory of 576	3052	PO-VHR-S235029B.exe	92
PID 3052 wrote to memory of 576	3052	PO-VHR-S235029B.exe	92

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-VHR-S235029B.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO-VHR-S235029B.exe

C:\Users\Admin\AppData\Local\Temp\PO-VHR-S235029B.exe
"C:\Users\Admin\AppData\Local\Temp\PO-VHR-S235029B.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Users\Admin\AppData\Local\Temp\PO-VHR-S235029B.exe
  "C:\Users\Admin\AppData\Local\Temp\PO-VHR-S235029B.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:576

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO-VHR-S235029B.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/576-140-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/576-143-0x0000000005A40000-0x0000000005A50000-memory.dmp

Filesize
64KB

Download
memory/576-144-0x0000000006B80000-0x0000000006D42000-memory.dmp

Filesize
1.8MB

Download
memory/576-145-0x0000000005A40000-0x0000000005A50000-memory.dmp

Filesize
64KB

Download
memory/3052-133-0x0000000000700000-0x00000000007E2000-memory.dmp

Filesize
904KB

Download
memory/3052-134-0x00000000056E0000-0x0000000005C84000-memory.dmp

Filesize
5.6MB

Download
memory/3052-135-0x00000000051D0000-0x0000000005262000-memory.dmp

Filesize
584KB

Download
memory/3052-136-0x00000000051A0000-0x00000000051AA000-memory.dmp

Filesize
40KB

Download
memory/3052-137-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download
memory/3052-138-0x00000000053E0000-0x00000000053F0000-memory.dmp

Filesize
64KB

Download
memory/3052-139-0x0000000006B70000-0x0000000006C0C000-memory.dmp

Filesize
624KB

Download

Analysis

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