snakekeylogger | 38e9d0435a80a7c280bb656e83dafab48ab88c447e17f5ad2da89959707e2021

General

Target

24924_Payment.exe
Size

540KB
MD5

1d080c71b03634f984c19f08b200f0bf
SHA1

34abebce3daeea9dc5ee8ca3dd2bd70676b98a08
SHA256

38e9d0435a80a7c280bb656e83dafab48ab88c447e17f5ad2da89959707e2021
SHA512

83de1aab06806753b808f225b8efc865d31394aa70025b3130b440de6c18bcc592eea604e6d4f10a78503b5d78d9e164a87f05780b405e405df3cc80ee62549f
SSDEEP

6144:h6ejH9QgV2uH8HCbSbRLjAguKxmpJUMWVUPyVfxqK8cQCZphtyylXC35zQTv9VEW:h6u9QgVtHeHRiqMW6yVJqcQ8+WTZ

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.emmioglu.com
Port:
587
Username:
[email protected]
Password:
Kaya2758+

C2

https://api.telegram.org/bot7824402550:AAF0zLhO0leZXvzGs8C_m31pnXq-KGoVm_I/sendMessage?chat_id=6651428318

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/1536-9-0x0000000000540000-0x0000000000566000-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 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24924_Payment.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24924_Payment.exe
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24924_Payment.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 752 set thread context of 1536	752	24924_Payment.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	24924_Payment.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	24924_Payment.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1536	24924_Payment.exe
1536	24924_Payment.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1536	24924_Payment.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 1536	752	24924_Payment.exe	82
PID 752 wrote to memory of 1536	752	24924_Payment.exe	82
PID 752 wrote to memory of 1536	752	24924_Payment.exe	82
PID 752 wrote to memory of 1536	752	24924_Payment.exe	82
PID 752 wrote to memory of 1536	752	24924_Payment.exe	82
PID 752 wrote to memory of 1536	752	24924_Payment.exe	82
PID 752 wrote to memory of 1536	752	24924_Payment.exe	82
PID 752 wrote to memory of 1536	752	24924_Payment.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24924_Payment.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24924_Payment.exe

C:\Users\Admin\AppData\Local\Temp\24924_Payment.exe
"C:\Users\Admin\AppData\Local\Temp\24924_Payment.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:752
- C:\Users\Admin\AppData\Local\Temp\24924_Payment.exe
  "C:\Users\Admin\AppData\Local\Temp\24924_Payment.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/752-8-0x0000000005090000-0x0000000005098000-memory.dmp

Filesize
32KB

Download
memory/752-2-0x00000000052D0000-0x0000000005874000-memory.dmp

Filesize
5.6MB

Download
memory/752-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/752-13-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/752-4-0x0000000004EA0000-0x0000000004EF6000-memory.dmp

Filesize
344KB

Download
memory/752-5-0x0000000005080000-0x000000000508A000-memory.dmp

Filesize
40KB

Download
memory/752-6-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/752-7-0x00000000051E0000-0x000000000527C000-memory.dmp

Filesize
624KB

Download
memory/752-12-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/752-1-0x0000000000360000-0x00000000003EE000-memory.dmp

Filesize
568KB

Download
memory/752-3-0x0000000004E00000-0x0000000004E92000-memory.dmp

Filesize
584KB

Download
memory/1536-11-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/1536-17-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/1536-10-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/1536-14-0x0000000006330000-0x0000000006380000-memory.dmp

Filesize
320KB

Download
memory/1536-15-0x0000000006550000-0x0000000006712000-memory.dmp

Filesize
1.8MB

Download
memory/1536-16-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/1536-9-0x0000000000540000-0x0000000000566000-memory.dmp

Filesize
152KB

Download

Analysis

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