snakekeylogger | 4a9c927ca3ab3daf115d5a9915aa4d2f6a60bcb55bfb522561cebc367af0fdff

General

Target

hesaphareketi-01.pdf.exe
Size

482KB
MD5

bfc506a47909ab3fde096eb0fc07e0fa
SHA1

eae0c401e967ad9c0add1ecbb84274e80539500f
SHA256

1717667681d1deb0de0b6894218e2d46f35e79f226a893ecd34dba57679bf3b2
SHA512

9bc2fe82a2342300a3c672dc77439326df23dea11ad2c9b6f3932f5272b3a0565f43ea5c7503be71995e76bd757ba1873a7a3bbed44351df42661ce679d82157
SSDEEP

6144:/hiBynqs9ZRLwK4ujtq8zWygJYraP8KvBmDbYWds/jjay3eeCiGe6SNgM+MlFaGE:D3ZHjtnaytraP8KvQgjLLCioPM+wmUE/

Score

10^/10

snakekeylogger collection discovery keylogger 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 5 IoCs

resource	yara_rule
behavioral1/memory/2740-13-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2740-10-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2740-8-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2740-17-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2740-15-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2876 set thread context of 2740	2876	hesaphareketi-01.pdf.exe	31

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	jsc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2740	jsc.exe
2740	jsc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2740	jsc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 2740	2876	hesaphareketi-01.pdf.exe	31
PID 2876 wrote to memory of 2740	2876	hesaphareketi-01.pdf.exe	31
PID 2876 wrote to memory of 2740	2876	hesaphareketi-01.pdf.exe	31
PID 2876 wrote to memory of 2740	2876	hesaphareketi-01.pdf.exe	31
PID 2876 wrote to memory of 2740	2876	hesaphareketi-01.pdf.exe	31
PID 2876 wrote to memory of 2740	2876	hesaphareketi-01.pdf.exe	31
PID 2876 wrote to memory of 2740	2876	hesaphareketi-01.pdf.exe	31
PID 2876 wrote to memory of 2740	2876	hesaphareketi-01.pdf.exe	31
PID 2876 wrote to memory of 2740	2876	hesaphareketi-01.pdf.exe	31
PID 2876 wrote to memory of 2724	2876	hesaphareketi-01.pdf.exe	32
PID 2876 wrote to memory of 2724	2876	hesaphareketi-01.pdf.exe	32
PID 2876 wrote to memory of 2724	2876	hesaphareketi-01.pdf.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	jsc.exe

C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.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:2740
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2876 -s 624
  2⤵
  PID:2724

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2740-8-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2740-4-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2740-22-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2740-21-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/2740-17-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2740-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-13-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2740-15-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2740-19-0x00000000746B0000-0x0000000074D9E000-memory.dmp

Filesize
6.9MB

Download
memory/2740-18-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/2740-10-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2740-6-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2876-1-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2876-2-0x000007FEF5FB0000-0x000007FEF699C000-memory.dmp

Filesize
9.9MB

Download
memory/2876-20-0x000007FEF5FB0000-0x000007FEF699C000-memory.dmp

Filesize
9.9MB

Download
memory/2876-3-0x000000001A950000-0x000000001A9CA000-memory.dmp

Filesize
488KB

Download
memory/2876-0-0x000007FEF5FB3000-0x000007FEF5FB4000-memory.dmp

Filesize
4KB

Download

Analysis

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