snakekeylogger | 786f68f631bccd2497b4c46999a45b3659cde3f2dd9a9a2a01f19c80ec51bad7

General

Target

Hesaphareketi-01.pdf.exe
Size

1.0MB
MD5

aa94281b9321115fe4956cfa17cc2c05
SHA1

f02b5ee07c77881a93e102ebdacdca71076dbf1c
SHA256

348a4f56a33a1c759b63b71e258360ef06cee21a55f386a596dd35611defb397
SHA512

6c2d63afb4095ab74afebde15df0055435f7941ebb2cdee8f58fbf67763bce6b779d4ced312b931290ed6925282b2633e31d58d35eae2176f2fdab5bf8ec1ba2
SSDEEP

24576:au6J33O0c+JY5UZ+XC0kGso6FajasrRl8JWY:su0c++OCvkGs9FajasrRlpY

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot8105461233:AAGikrL-FY3clQOY-lg3KOIDOXSLgX28_TU/sendMessage?chat_id=6147266367

Signatures

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

Snake Keylogger payload 3 IoCs

resource	yara_rule
behavioral1/memory/1616-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1616-14-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/1616-16-0x0000000000400000-0x0000000000426000-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\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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 2556 set thread context of 1616	2556	Hesaphareketi-01.pdf.exe	30

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	Hesaphareketi-01.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1616	RegSvcs.exe
1616	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2556	Hesaphareketi-01.pdf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1616	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2556	Hesaphareketi-01.pdf.exe
2556	Hesaphareketi-01.pdf.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2556	Hesaphareketi-01.pdf.exe
2556	Hesaphareketi-01.pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 1616	2556	Hesaphareketi-01.pdf.exe	30
PID 2556 wrote to memory of 1616	2556	Hesaphareketi-01.pdf.exe	30
PID 2556 wrote to memory of 1616	2556	Hesaphareketi-01.pdf.exe	30
PID 2556 wrote to memory of 1616	2556	Hesaphareketi-01.pdf.exe	30
PID 2556 wrote to memory of 1616	2556	Hesaphareketi-01.pdf.exe	30
PID 2556 wrote to memory of 1616	2556	Hesaphareketi-01.pdf.exe	30
PID 2556 wrote to memory of 1616	2556	Hesaphareketi-01.pdf.exe	30
PID 2556 wrote to memory of 1616	2556	Hesaphareketi-01.pdf.exe	30

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	RegSvcs.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	RegSvcs.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
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2556
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Hesaphareketi-01.pdf.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:1616

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/1616-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1616-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1616-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/1616-17-0x000000007429E000-0x000000007429F000-memory.dmp

Filesize
4KB

Download
memory/1616-18-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/1616-19-0x000000007429E000-0x000000007429F000-memory.dmp

Filesize
4KB

Download
memory/1616-20-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2556-11-0x00000000006F0000-0x0000000000AF0000-memory.dmp

Filesize
4.0MB

Download

Analysis

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