snakekeylogger | 63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b

General

Target

Ziraat Bankasi Swift Mesaji.Pdf.exe
Size

880KB
MD5

d2f01bfba149898d86d9f9b1344c871c
SHA1

7002ec5c910a1883fd5c56aecf17c8182a175acb
SHA256

63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b
SHA512

9607a66aa1f572504fa68ca6464cde5763c13e72ff66e1cb94bc8f1e8d4e6765390371664b18cfadc6954b21c711ac9f05c95dd6c38945d6f9ed2ce653237254
SSDEEP

12288:bEfVhpe/ijKZVn6fYpoW0eJRWmoaoTxAKScque4RJjBQ+60NAIJxT6t4kR:bEfVyijKZV6g+VeJRLVoTx4z/4RY6gv

Score

10^/10

snakekeylogger collection discovery execution keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7692220058:AAHVndQO9RuaWbiX3k3pjx15TMCoeBS0WKU/sendMessage?chat_id=7342994424

Signatures

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

Snake Keylogger payload 5 IoCs

resource	yara_rule
behavioral1/memory/2680-20-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2680-26-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2680-24-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2680-23-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger
behavioral1/memory/2680-18-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2252	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.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 876 set thread context of 2680	876	Ziraat Bankasi Swift Mesaji.Pdf.exe	35

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ziraat Bankasi Swift Mesaji.Pdf.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2700	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2680	vbc.exe
2252	powershell.exe
2680	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2680	vbc.exe
Token: SeDebugPrivilege	2252	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 2252	876	Ziraat Bankasi Swift Mesaji.Pdf.exe	31
PID 876 wrote to memory of 2252	876	Ziraat Bankasi Swift Mesaji.Pdf.exe	31
PID 876 wrote to memory of 2252	876	Ziraat Bankasi Swift Mesaji.Pdf.exe	31
PID 876 wrote to memory of 2252	876	Ziraat Bankasi Swift Mesaji.Pdf.exe	31
PID 876 wrote to memory of 2700	876	Ziraat Bankasi Swift Mesaji.Pdf.exe	33
PID 876 wrote to memory of 2700	876	Ziraat Bankasi Swift Mesaji.Pdf.exe	33
PID 876 wrote to memory of 2700	876	Ziraat Bankasi Swift Mesaji.Pdf.exe	33
PID 876 wrote to memory of 2700	876	Ziraat Bankasi Swift Mesaji.Pdf.exe	33
PID 876 wrote to memory of 2680	876	Ziraat Bankasi Swift Mesaji.Pdf.exe	35
PID 876 wrote to memory of 2680	876	Ziraat Bankasi Swift Mesaji.Pdf.exe	35
PID 876 wrote to memory of 2680	876	Ziraat Bankasi Swift Mesaji.Pdf.exe	35
PID 876 wrote to memory of 2680	876	Ziraat Bankasi Swift Mesaji.Pdf.exe	35
PID 876 wrote to memory of 2680	876	Ziraat Bankasi Swift Mesaji.Pdf.exe	35
PID 876 wrote to memory of 2680	876	Ziraat Bankasi Swift Mesaji.Pdf.exe	35
PID 876 wrote to memory of 2680	876	Ziraat Bankasi Swift Mesaji.Pdf.exe	35
PID 876 wrote to memory of 2680	876	Ziraat Bankasi Swift Mesaji.Pdf.exe	35
PID 876 wrote to memory of 2680	876	Ziraat Bankasi Swift Mesaji.Pdf.exe	35

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.Pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Ziraat Bankasi Swift Mesaji.Pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:876
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jdSHzBih.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2252
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jdSHzBih" /XML "C:\Users\Admin\AppData\Local\Temp\tmp203D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2700
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.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:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp203D.tmp

Filesize
1KB

MD5
919944707c4c8b709bf08f652823f7b1

SHA1
c6e4c8a005c762f8efd9b6bf5ad0815c5d490ee9

SHA256
b41934bf18dbf48e15d61a9afde400aa9d40ca986f8e8802d7052a4fdf02ef5b

SHA512
730934a5316ed6773f8307761b61eb8ca981caa64449b03ca977d47b8b718e3b51ad8935d0a91a0121f8fddf6140493e9d331c4b35c1fe85c1a35421a95cf115

Download Submit
memory/876-27-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/876-1-0x0000000000B10000-0x0000000000BEE000-memory.dmp

Filesize
888KB

Download
memory/876-2-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/876-3-0x0000000000450000-0x000000000046C000-memory.dmp

Filesize
112KB

Download
memory/876-4-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/876-5-0x00000000744D0000-0x0000000074BBE000-memory.dmp

Filesize
6.9MB

Download
memory/876-6-0x0000000000590000-0x00000000005F8000-memory.dmp

Filesize
416KB

Download
memory/876-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/2680-20-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2680-24-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2680-23-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2680-22-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2680-18-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2680-16-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2680-14-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/2680-26-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads