snakekeylogger | 1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3

General

Target

1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe
Size

637KB
MD5

785969b0d48577558e3dc2a55d58513d
SHA1

46d7a3f48137b25322493c4c7f6504dc61f5ad77
SHA256

1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3
SHA512

10c90a786a6b10f8aa7a976eada0ad068a3a530bdba955934f2ec806b5b185b4498de69db246f3f5633becac8b771253c26fea17f748eb498dc16ec57da00d1f
SSDEEP

12288:6YydMSmRl9zaKPSV66RdCf9CGlCeGKrPJscT7cwnU:63MDRlxVflCTMJs5wn

Score

10^/10

snakekeylogger collection keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
valleycountysar.org
Port:
26
Username:
[email protected]
Password:
iU0Ta!$K8L51

C2

http://103.130.147.85

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/1732-9-0x0000000000400000-0x0000000000426000-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

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe
Key opened	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe
Key opened	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.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 2816 set thread context of 1732	2816	1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe	83

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1732	1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe
1732	1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1732	1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 1732	2816	1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe	83
PID 2816 wrote to memory of 1732	2816	1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe	83
PID 2816 wrote to memory of 1732	2816	1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe	83
PID 2816 wrote to memory of 1732	2816	1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe	83
PID 2816 wrote to memory of 1732	2816	1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe	83
PID 2816 wrote to memory of 1732	2816	1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe	83
PID 2816 wrote to memory of 1732	2816	1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe	83
PID 2816 wrote to memory of 1732	2816	1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe

C:\Users\Admin\AppData\Local\Temp\1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe
"C:\Users\Admin\AppData\Local\Temp\1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Users\Admin\AppData\Local\Temp\1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe
  "C:\Users\Admin\AppData\Local\Temp\1f51b20b036ab4a0a771bf194dad836cf7102a92b9c08791aa3a0d8e370cc1a3.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1732-9-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1732-16-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/1732-15-0x0000000006580000-0x0000000006742000-memory.dmp

Filesize
1.8MB

Download
memory/1732-14-0x0000000006360000-0x00000000063B0000-memory.dmp

Filesize
320KB

Download
memory/1732-11-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/1732-10-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/2816-8-0x0000000004F30000-0x0000000004F38000-memory.dmp

Filesize
32KB

Download
memory/2816-7-0x00000000051C0000-0x000000000525C000-memory.dmp

Filesize
624KB

Download
memory/2816-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/2816-6-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/2816-5-0x0000000004F50000-0x0000000004FA4000-memory.dmp

Filesize
336KB

Download
memory/2816-4-0x0000000004EF0000-0x0000000004EFA000-memory.dmp

Filesize
40KB

Download
memory/2816-13-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/2816-3-0x0000000004DE0000-0x0000000004E72000-memory.dmp

Filesize
584KB

Download
memory/2816-2-0x00000000052B0000-0x0000000005854000-memory.dmp

Filesize
5.6MB

Download
memory/2816-1-0x0000000000330000-0x00000000003D6000-memory.dmp

Filesize
664KB

Download

Analysis

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