snakekeylogger | 5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559

Analysis

max time kernel
171s
max time network
188s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
02-11-2023 15:03

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General

Target

hareketleriniz .pdf.exe
Size

119KB
MD5

ac17552680ce92bcdeee8d85dd23a094
SHA1

3834e08df86667af59ca7ca77be8536063fb490c
SHA256

5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559
SHA512

0998215bf514c7aa6d0c664d78f19bbeb17686109bae943f0921d7323492bcfd796b131061a251303e970b2a60640d242555beeffec55bde2b542ad961b69dd6
SSDEEP

3072:pNAUxwbSVwS03k/oej4T5zYQxwNc1xNUPBC1C:pSU2bSVwrU/oeaYQxwNc1xKk1

Score

10^/10

snakekeylogger keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

https://api.telegram.org/bot6581815121:AAHhziZ2mQS5qcx02h_Vx6A5dDt8ehDjIWw/sendMessage?chat_id=5262627523

Signatures

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

Snake Keylogger payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1576-11-0x0000000140000000-0x0000000140022000-memory.dmp	family_snakekeylogger

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

hareketleriniz .pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1114462139-3090196418-29517368-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ssssss,exe = "C:\\Users\\Admin\\AppData\\Roaming\\ssssss,exe.exe"	hareketleriniz .pdf.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.

Processes:

flow ioc

57 checkip.dyndns.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

hareketleriniz .pdf.exe

description pid process target process

PID 1256 set thread context of 1576 1256 hareketleriniz .pdf.exe MSBuild.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

MSBuild.exe

pid process

1576 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

hareketleriniz .pdf.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 1256 hareketleriniz .pdf.exe
Token: SeDebugPrivilege 1576 MSBuild.exe

flow	ioc
57	checkip.dyndns.org

description	pid	process	target process
PID 1256 set thread context of 1576	1256	hareketleriniz .pdf.exe	MSBuild.exe

pid	process
1576	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1256	hareketleriniz .pdf.exe
Token: SeDebugPrivilege	1576	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

hareketleriniz .pdf.exeMSBuild.exe

description	pid	process	target process
PID 1256 wrote to memory of 1576	1256	hareketleriniz .pdf.exe	MSBuild.exe
PID 1256 wrote to memory of 1576	1256	hareketleriniz .pdf.exe	MSBuild.exe
PID 1256 wrote to memory of 1576	1256	hareketleriniz .pdf.exe	MSBuild.exe
PID 1256 wrote to memory of 1576	1256	hareketleriniz .pdf.exe	MSBuild.exe
PID 1256 wrote to memory of 1576	1256	hareketleriniz .pdf.exe	MSBuild.exe
PID 1256 wrote to memory of 1576	1256	hareketleriniz .pdf.exe	MSBuild.exe
PID 1576 wrote to memory of 460	1576	MSBuild.exe	WerFault.exe
PID 1576 wrote to memory of 460	1576	MSBuild.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\hareketleriniz .pdf.exe
"C:\Users\Admin\AppData\Local\Temp\hareketleriniz .pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1256

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1576

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1576 -s 1388
3⤵
PID:460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1256-8-0x000001EF55430000-0x000001EF55466000-memory.dmp

Filesize
216KB

Download
memory/1256-6-0x000001EF546F0000-0x000001EF54740000-memory.dmp

Filesize
320KB

Download
memory/1256-2-0x00007FFCC5600000-0x00007FFCC60C1000-memory.dmp

Filesize
10.8MB

Download
memory/1256-3-0x000001EF54780000-0x000001EF54790000-memory.dmp

Filesize
64KB

Download
memory/1256-0-0x000001EF3A2B0000-0x000001EF3A2D2000-memory.dmp

Filesize
136KB

Download
memory/1256-5-0x000001EF54780000-0x000001EF54790000-memory.dmp

Filesize
64KB

Download
memory/1256-1-0x000001EF3A6A0000-0x000001EF3A6A6000-memory.dmp

Filesize
24KB

Download
memory/1256-7-0x000001EF54740000-0x000001EF54778000-memory.dmp

Filesize
224KB

Download
memory/1256-4-0x00007FFCC5600000-0x00007FFCC60C1000-memory.dmp

Filesize
10.8MB

Download
memory/1256-9-0x000001EF55470000-0x000001EF554BC000-memory.dmp

Filesize
304KB

Download
memory/1256-14-0x00007FFCC5600000-0x00007FFCC60C1000-memory.dmp

Filesize
10.8MB

Download
memory/1576-11-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/1576-15-0x00000239DB910000-0x00000239DB920000-memory.dmp

Filesize
64KB

Download
memory/1576-13-0x00007FFCC5600000-0x00007FFCC60C1000-memory.dmp

Filesize
10.8MB

Download
memory/1576-16-0x00007FFCC5600000-0x00007FFCC60C1000-memory.dmp

Filesize
10.8MB

Download
memory/1576-17-0x00000239DB910000-0x00000239DB920000-memory.dmp

Filesize
64KB

Download