snakekeylogger | 63e970412f2465ea620ac5a86a78584366a531b7c74f1755e8b3bab4a653c65b

Analysis

max time kernel
139s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-11-2024 19:20

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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

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 1 IoCs

resource	yara_rule
behavioral2/memory/4536-19-0x0000000000400000-0x0000000000426000-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
3980	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	Ziraat Bankasi Swift Mesaji.Pdf.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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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
25	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1356 set thread context of 4536	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe	104

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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ziraat Bankasi Swift Mesaji.Pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
4284	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1356	Ziraat Bankasi Swift Mesaji.Pdf.exe
1356	Ziraat Bankasi Swift Mesaji.Pdf.exe
3980	powershell.exe
4536	vbc.exe
3980	powershell.exe
4536	vbc.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe
Token: SeDebugPrivilege	3980	powershell.exe
Token: SeDebugPrivilege	4536	vbc.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 3980	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe	99
PID 1356 wrote to memory of 3980	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe	99
PID 1356 wrote to memory of 3980	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe	99
PID 1356 wrote to memory of 4284	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe	101
PID 1356 wrote to memory of 4284	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe	101
PID 1356 wrote to memory of 4284	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe	101
PID 1356 wrote to memory of 3756	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe	103
PID 1356 wrote to memory of 3756	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe	103
PID 1356 wrote to memory of 3756	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe	103
PID 1356 wrote to memory of 4536	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe	104
PID 1356 wrote to memory of 4536	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe	104
PID 1356 wrote to memory of 4536	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe	104
PID 1356 wrote to memory of 4536	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe	104
PID 1356 wrote to memory of 4536	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe	104
PID 1356 wrote to memory of 4536	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe	104
PID 1356 wrote to memory of 4536	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe	104
PID 1356 wrote to memory of 4536	1356	Ziraat Bankasi Swift Mesaji.Pdf.exe	104

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	vbc.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1356
- 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:3980
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jdSHzBih" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDA7.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4284
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:3756
- 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:4536

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dzzlfolh.a0s.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDA7.tmp

Filesize
1KB

MD5
6849992268d0eda1d142f7a90946a828

SHA1
6b89c0b5e728f4a1e2eefddc3c16a1f640e3e356

SHA256
c9bf4f561691b88da950f59cc045b71d8a9e0ab99fb118970db49deb357a7624

SHA512
cb53152d02b4df13736b8f42954389fb7cf00079951cf483f1f7b12f95e2aa1766c06166ba623299077911ea06642e69229a01bb847db5db5206d38a0dcdd0c1

Download Submit
memory/1356-6-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/1356-3-0x0000000004FE0000-0x0000000005072000-memory.dmp

Filesize
584KB

Download
memory/1356-4-0x0000000004FD0000-0x0000000004FDA000-memory.dmp

Filesize
40KB

Download
memory/1356-5-0x0000000005320000-0x00000000053BC000-memory.dmp

Filesize
624KB

Download
memory/1356-23-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/1356-7-0x00000000052F0000-0x000000000530C000-memory.dmp

Filesize
112KB

Download
memory/1356-8-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/1356-9-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/1356-10-0x0000000004A00000-0x0000000004A68000-memory.dmp

Filesize
416KB

Download
memory/1356-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

Filesize
4KB

Download
memory/1356-2-0x00000000054F0000-0x0000000005A94000-memory.dmp

Filesize
5.6MB

Download
memory/1356-1-0x0000000000500000-0x00000000005DE000-memory.dmp

Filesize
888KB

Download
memory/3980-25-0x0000000005990000-0x00000000059F6000-memory.dmp

Filesize
408KB

Download
memory/3980-41-0x0000000070180000-0x00000000701CC000-memory.dmp

Filesize
304KB

Download
memory/3980-22-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3980-21-0x0000000005170000-0x0000000005192000-memory.dmp

Filesize
136KB

Download
memory/3980-24-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3980-18-0x0000000005260000-0x0000000005888000-memory.dmp

Filesize
6.2MB

Download
memory/3980-17-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3980-28-0x0000000005A70000-0x0000000005AD6000-memory.dmp

Filesize
408KB

Download
memory/3980-15-0x0000000002740000-0x0000000002776000-memory.dmp

Filesize
216KB

Download
memory/3980-36-0x0000000005BE0000-0x0000000005F34000-memory.dmp

Filesize
3.3MB

Download
memory/3980-64-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/3980-38-0x00000000060C0000-0x00000000060DE000-memory.dmp

Filesize
120KB

Download
memory/3980-39-0x0000000006170000-0x00000000061BC000-memory.dmp

Filesize
304KB

Download
memory/3980-51-0x0000000007280000-0x000000000729E000-memory.dmp

Filesize
120KB

Download
memory/3980-52-0x00000000072B0000-0x0000000007353000-memory.dmp

Filesize
652KB

Download
memory/3980-60-0x0000000007730000-0x000000000774A000-memory.dmp

Filesize
104KB

Download
memory/3980-40-0x0000000006690000-0x00000000066C2000-memory.dmp

Filesize
200KB

Download
memory/3980-54-0x00000000073F0000-0x000000000740A000-memory.dmp

Filesize
104KB

Download
memory/3980-53-0x0000000007A30000-0x00000000080AA000-memory.dmp

Filesize
6.5MB

Download
memory/3980-55-0x0000000007460000-0x000000000746A000-memory.dmp

Filesize
40KB

Download
memory/3980-56-0x0000000007670000-0x0000000007706000-memory.dmp

Filesize
600KB

Download
memory/3980-57-0x00000000075F0000-0x0000000007601000-memory.dmp

Filesize
68KB

Download
memory/3980-58-0x0000000007620000-0x000000000762E000-memory.dmp

Filesize
56KB

Download
memory/3980-59-0x0000000007630000-0x0000000007644000-memory.dmp

Filesize
80KB

Download
memory/3980-61-0x0000000007710000-0x0000000007718000-memory.dmp

Filesize
32KB

Download
memory/4536-19-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4536-37-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4536-65-0x00000000746A0000-0x0000000074E50000-memory.dmp

Filesize
7.7MB

Download
memory/4536-66-0x0000000006700000-0x0000000006750000-memory.dmp

Filesize
320KB

Download
memory/4536-67-0x0000000006920000-0x0000000006AE2000-memory.dmp

Filesize
1.8MB

Download