snakekeylogger | fe2bc4496f2a7b4b7273283adf244feaefea1c7c49c8a591aedc636da4a648e9

General

Target

DHL EXP. ÖDEMENIZE AIT DETAY TALEBI HK.PDF.exe
Size

481KB
MD5

1c302c125a96760c0aafda4a07fde507
SHA1

66a0579202cac79cb0d4332fc09a4e442604ac9d
SHA256

3e894a9bbe48bdb106dda36c117de838daa2fbdab68d293c06a6040514e7fdd5
SHA512

983c05ecf5ecc49df4f76d14583eb01a5da579857f66b726c361a1753e4b1faa20511e50c6b6232d99ad84b1b7ed33283935954d0b39931b207e4ebff1e442a3
SSDEEP

12288:bG8m7IDQ8mNiglZG//zafk5hjqHrpQaTDg3fRLZhGNE:q/7IDQ8mZQ/raGwhT03fRLaNE

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7125297965:AAFl6eQAjxqGeAfWHpfHbGAtADDAZUyFidM/sendMessage?chat_id=6367688286

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/964-4-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger 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-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.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
6	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2108 set thread context of 964	2108	DHL EXP. ÖDEMENIZE AIT DETAY TALEBI HK.PDF.exe	83

System Location Discovery: System Language Discovery 1 TTPs 1 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	regasm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
964	regasm.exe
964	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	964	regasm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 964	2108	DHL EXP. ÖDEMENIZE AIT DETAY TALEBI HK.PDF.exe	83
PID 2108 wrote to memory of 964	2108	DHL EXP. ÖDEMENIZE AIT DETAY TALEBI HK.PDF.exe	83
PID 2108 wrote to memory of 964	2108	DHL EXP. ÖDEMENIZE AIT DETAY TALEBI HK.PDF.exe	83
PID 2108 wrote to memory of 964	2108	DHL EXP. ÖDEMENIZE AIT DETAY TALEBI HK.PDF.exe	83
PID 2108 wrote to memory of 964	2108	DHL EXP. ÖDEMENIZE AIT DETAY TALEBI HK.PDF.exe	83
PID 2108 wrote to memory of 964	2108	DHL EXP. ÖDEMENIZE AIT DETAY TALEBI HK.PDF.exe	83
PID 2108 wrote to memory of 964	2108	DHL EXP. ÖDEMENIZE AIT DETAY TALEBI HK.PDF.exe	83
PID 2108 wrote to memory of 964	2108	DHL EXP. ÖDEMENIZE AIT DETAY TALEBI HK.PDF.exe	83
PID 2108 wrote to memory of 3440	2108	DHL EXP. ÖDEMENIZE AIT DETAY TALEBI HK.PDF.exe	84
PID 2108 wrote to memory of 3440	2108	DHL EXP. ÖDEMENIZE AIT DETAY TALEBI HK.PDF.exe	84
PID 2108 wrote to memory of 3440	2108	DHL EXP. ÖDEMENIZE AIT DETAY TALEBI HK.PDF.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe

C:\Users\Admin\AppData\Local\Temp\DHL EXP. ÖDEMENIZE AIT DETAY TALEBI HK.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\DHL EXP. ÖDEMENIZE AIT DETAY TALEBI HK.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.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:964
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  PID:3440

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

Loading Replay Monitor...

Downloads

memory/964-8-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/964-10-0x000000007506E000-0x000000007506F000-memory.dmp

Filesize
4KB

Download
memory/964-15-0x0000000006150000-0x000000000615A000-memory.dmp

Filesize
40KB

Download
memory/964-14-0x00000000061C0000-0x0000000006252000-memory.dmp

Filesize
584KB

Download
memory/964-13-0x00000000062F0000-0x00000000064B2000-memory.dmp

Filesize
1.8MB

Download
memory/964-5-0x000000007506E000-0x000000007506F000-memory.dmp

Filesize
4KB

Download
memory/964-12-0x00000000060D0000-0x0000000006120000-memory.dmp

Filesize
320KB

Download
memory/964-6-0x00000000055B0000-0x0000000005B54000-memory.dmp

Filesize
5.6MB

Download
memory/964-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/964-11-0x0000000075060000-0x0000000075810000-memory.dmp

Filesize
7.7MB

Download
memory/964-7-0x0000000004EE0000-0x0000000004F7C000-memory.dmp

Filesize
624KB

Download
memory/2108-9-0x00007FFF17D30000-0x00007FFF187F1000-memory.dmp

Filesize
10.8MB

Download
memory/2108-1-0x000001A3DDAA0000-0x000001A3DDB1E000-memory.dmp

Filesize
504KB

Download
memory/2108-0-0x00007FFF17D33000-0x00007FFF17D35000-memory.dmp

Filesize
8KB

Download
memory/2108-3-0x00007FFF17D30000-0x00007FFF187F1000-memory.dmp

Filesize
10.8MB

Download
memory/2108-2-0x000001A3F7EF0000-0x000001A3F7F6A000-memory.dmp

Filesize
488KB

Download

Analysis

Sharing