snakekeylogger | 6303866d43b6a330265ddd76b04fcde44ce7eac2c96d659587654fed44c32d1c

General

Target

hesaphareketi-01.pdf‮sxlx..exe
Size

480KB
MD5

0f8fc2216d672397def371eeec7e7ab2
SHA1

878e50322452353934614f673fe08e594c278062
SHA256

979c906c8edaaafe866628eca9911b766c686da4e69d899c401b0d317b4f1628
SHA512

71a7508ac223d76226897d60e1be76a988348fbaa102bc29741c3df847d5d541510ac7a6ecba33afe437d6849e045463f7b53fc34a55a4c296e30b7d128b0134
SSDEEP

12288:bL5HNcQWMWd+H+/wg4H+HMqAA5eJjcab2jWIFsLl6wGA:b12dtwgtHMHA5eqRHFslDGA

Score

10^/10

snakekeylogger collection discovery keylogger spyware stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7924749806:AAG-WJhqQVHwMR7UVUYahs5tVC-3tNXnruE/sendMessage?chat_id=7009913093

Signatures

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

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral2/memory/4244-6-0x0000000000400000-0x0000000000426000-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-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\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
7	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4656 set thread context of 4244	4656	hesaphareketi-01.pdf‮sxlx..exe	84

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
4244	regasm.exe
4244	regasm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4244	regasm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 4244	4656	hesaphareketi-01.pdf‮sxlx..exe	84
PID 4656 wrote to memory of 4244	4656	hesaphareketi-01.pdf‮sxlx..exe	84
PID 4656 wrote to memory of 4244	4656	hesaphareketi-01.pdf‮sxlx..exe	84
PID 4656 wrote to memory of 4244	4656	hesaphareketi-01.pdf‮sxlx..exe	84
PID 4656 wrote to memory of 4244	4656	hesaphareketi-01.pdf‮sxlx..exe	84
PID 4656 wrote to memory of 4244	4656	hesaphareketi-01.pdf‮sxlx..exe	84
PID 4656 wrote to memory of 4244	4656	hesaphareketi-01.pdf‮sxlx..exe	84
PID 4656 wrote to memory of 4244	4656	hesaphareketi-01.pdf‮sxlx..exe	84
PID 4656 wrote to memory of 3616	4656	hesaphareketi-01.pdf‮sxlx..exe	85
PID 4656 wrote to memory of 3616	4656	hesaphareketi-01.pdf‮sxlx..exe	85
PID 4656 wrote to memory of 3616	4656	hesaphareketi-01.pdf‮sxlx..exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe

C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf‮sxlx..exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf‮sxlx..exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4656
- 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:4244
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  PID:3616

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/4244-12-0x0000000006720000-0x0000000006770000-memory.dmp

Filesize
320KB

Download
memory/4244-13-0x0000000006940000-0x0000000006B02000-memory.dmp

Filesize
1.8MB

Download
memory/4244-9-0x00000000053B0000-0x000000000544C000-memory.dmp

Filesize
624KB

Download
memory/4244-11-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/4244-8-0x0000000005A60000-0x0000000006004000-memory.dmp

Filesize
5.6MB

Download
memory/4244-16-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/4244-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4244-7-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

Filesize
4KB

Download
memory/4244-17-0x0000000074B10000-0x00000000752C0000-memory.dmp

Filesize
7.7MB

Download
memory/4244-15-0x00000000067A0000-0x00000000067AA000-memory.dmp

Filesize
40KB

Download
memory/4244-14-0x0000000006810000-0x00000000068A2000-memory.dmp

Filesize
584KB

Download
memory/4656-5-0x000001C845E80000-0x000001C845EFA000-memory.dmp

Filesize
488KB

Download
memory/4656-0-0x00007FFDC4013000-0x00007FFDC4015000-memory.dmp

Filesize
8KB

Download
memory/4656-10-0x00007FFDC4010000-0x00007FFDC4AD1000-memory.dmp

Filesize
10.8MB

Download
memory/4656-3-0x000001C82D4F0000-0x000001C82D50E000-memory.dmp

Filesize
120KB

Download
memory/4656-2-0x000001C845E00000-0x000001C845E76000-memory.dmp

Filesize
472KB

Download
memory/4656-1-0x000001C82B960000-0x000001C82B966000-memory.dmp

Filesize
24KB

Download
memory/4656-4-0x00007FFDC4010000-0x00007FFDC4AD1000-memory.dmp

Filesize
10.8MB

Download

Analysis

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