snakekeylogger | 1c4551aa02efa75273b0243bdf8c3e5a10ddb8e8be2e7d513942ade0115011fc

General

Target

PO12052023.exe
Size

442KB
MD5

cdb42137bf2343f39d1e65c5df1e6cba
SHA1

06b68d0b76988ccab1549f179afcdada4bfad092
SHA256

1c4551aa02efa75273b0243bdf8c3e5a10ddb8e8be2e7d513942ade0115011fc
SHA512

378ae4c0e233a74bc16c3ab039096d6b1a30952586c36a7c9e27c390749c4f3f5d5f9b171e2f55bb7458be4fb006d70c08dd233200bce7833e263e5ad8a7c5f2
SSDEEP

6144:R4sL+t1QILLCeLsWgn+vO6rZQ+yn1apMc40AvnhAp081nNVjqKoe:inxs9n+vO6VQ+e1apMcOv6nnjqKoe

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6296181609:AAGAOhYH-dkTEQqHw-rWHbkpGOeR4Z7OA18/sendMessage?chat_id=1760125104

Signatures

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

Snake Keylogger payload 2 IoCs

resource	yara_rule
behavioral2/memory/3212-137-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral2/memory/3212-141-0x0000000005660000-0x0000000005670000-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
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-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO12052023.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO12052023.exe
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO12052023.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
5	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3384 set thread context of 3212	3384	PO12052023.exe	84

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3212	PO12052023.exe
3212	PO12052023.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3212	PO12052023.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3384 wrote to memory of 3212	3384	PO12052023.exe	84
PID 3384 wrote to memory of 3212	3384	PO12052023.exe	84
PID 3384 wrote to memory of 3212	3384	PO12052023.exe	84
PID 3384 wrote to memory of 3212	3384	PO12052023.exe	84
PID 3384 wrote to memory of 3212	3384	PO12052023.exe	84
PID 3384 wrote to memory of 3212	3384	PO12052023.exe	84
PID 3384 wrote to memory of 3212	3384	PO12052023.exe	84
PID 3384 wrote to memory of 3212	3384	PO12052023.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO12052023.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO12052023.exe

C:\Users\Admin\AppData\Local\Temp\PO12052023.exe
"C:\Users\Admin\AppData\Local\Temp\PO12052023.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3384
- C:\Users\Admin\AppData\Local\Temp\PO12052023.exe
  "C:\Users\Admin\AppData\Local\Temp\PO12052023.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3212

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

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\PO12052023.exe.log

Filesize
617B

MD5
99e770c0d4043aa84ef3d3cbc7723c25

SHA1
19829c5c413fccba750a3357f938dfa94486acad

SHA256
33c7dd4c852dae6462c701337f8e0a8647602847ccaee656fa6f1149cccfb5d5

SHA512
ba521e2f57d7e1db19445201948caa7af6d953e1c1340228934888f8ec05b8984ad492122d0bf0550b5e679614d8a713ecf68f91916ffa6e5d8f75bf003aae39

Download Submit
memory/3212-137-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/3212-140-0x0000000005660000-0x0000000005670000-memory.dmp

Filesize
64KB

Download
memory/3212-141-0x0000000005660000-0x0000000005670000-memory.dmp

Filesize
64KB

Download
memory/3212-142-0x00000000065F0000-0x00000000067B2000-memory.dmp

Filesize
1.8MB

Download
memory/3212-143-0x00000000067C0000-0x0000000006852000-memory.dmp

Filesize
584KB

Download
memory/3212-144-0x00000000065C0000-0x00000000065CA000-memory.dmp

Filesize
40KB

Download
memory/3384-133-0x0000000000F60000-0x0000000000FD4000-memory.dmp

Filesize
464KB

Download
memory/3384-134-0x0000000005AA0000-0x0000000005B3C000-memory.dmp

Filesize
624KB

Download
memory/3384-135-0x0000000005A40000-0x0000000005A50000-memory.dmp

Filesize
64KB

Download
memory/3384-136-0x00000000060F0000-0x0000000006694000-memory.dmp

Filesize
5.6MB

Download

Analysis

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