snakekeylogger | 5c046d79136779c5d2d1093a0ae1b45a61f4d49b0f8b8947e18bfccee2806559

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 collection keylogger persistence stealer

Malware Config

Extracted

Family

snakekeylogger

C2

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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3272-11-0x0000000140000000-0x0000000140022000-memory.dmp	family_snakekeylogger
behavioral2/memory/3272-15-0x000002696B0F0000-0x000002696B100000-memory.dmp	family_snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

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-1-5-21-3811856890-180006922-3689258494-1000\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

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

Processes:

hareketleriniz .pdf.exe

description pid process target process

PID 4052 set thread context of 3272 4052 hareketleriniz .pdf.exe MSBuild.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

MSBuild.exe

pid process

3272 MSBuild.exe
3272 MSBuild.exe
3272 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

hareketleriniz .pdf.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 4052 hareketleriniz .pdf.exe
Token: SeDebugPrivilege 3272 MSBuild.exe

flow	ioc
75	checkip.dyndns.org

description	pid	process	target process
PID 4052 set thread context of 3272	4052	hareketleriniz .pdf.exe	MSBuild.exe

pid	process
3272	MSBuild.exe
3272	MSBuild.exe
3272	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	4052	hareketleriniz .pdf.exe
Token: SeDebugPrivilege	3272	MSBuild.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

hareketleriniz .pdf.exe

description	pid	process	target process
PID 4052 wrote to memory of 3272	4052	hareketleriniz .pdf.exe	MSBuild.exe
PID 4052 wrote to memory of 3272	4052	hareketleriniz .pdf.exe	MSBuild.exe
PID 4052 wrote to memory of 3272	4052	hareketleriniz .pdf.exe	MSBuild.exe
PID 4052 wrote to memory of 3272	4052	hareketleriniz .pdf.exe	MSBuild.exe
PID 4052 wrote to memory of 3272	4052	hareketleriniz .pdf.exe	MSBuild.exe
PID 4052 wrote to memory of 3272	4052	hareketleriniz .pdf.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3811856890-180006922-3689258494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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:4052

C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3272

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/3272-11-0x0000000140000000-0x0000000140022000-memory.dmp

Filesize
136KB

Download
memory/3272-19-0x000002696B0F0000-0x000002696B100000-memory.dmp

Filesize
64KB

Download
memory/3272-18-0x00007FFD01390000-0x00007FFD01E51000-memory.dmp

Filesize
10.8MB

Download
memory/3272-17-0x000002696D560000-0x000002696D722000-memory.dmp

Filesize
1.8MB

Download
memory/3272-16-0x000002696D340000-0x000002696D390000-memory.dmp

Filesize
320KB

Download
memory/3272-15-0x000002696B0F0000-0x000002696B100000-memory.dmp

Filesize
64KB

Download
memory/3272-14-0x00007FFD01390000-0x00007FFD01E51000-memory.dmp

Filesize
10.8MB

Download
memory/4052-4-0x000001E49F890000-0x000001E49F8E0000-memory.dmp

Filesize
320KB

Download
memory/4052-8-0x00007FFD01390000-0x00007FFD01E51000-memory.dmp

Filesize
10.8MB

Download
memory/4052-9-0x000001E49F980000-0x000001E49F990000-memory.dmp

Filesize
64KB

Download
memory/4052-7-0x000001E49FC90000-0x000001E49FCDC000-memory.dmp

Filesize
304KB

Download
memory/4052-13-0x00007FFD01390000-0x00007FFD01E51000-memory.dmp

Filesize
10.8MB

Download
memory/4052-6-0x000001E49FC50000-0x000001E49FC86000-memory.dmp

Filesize
216KB

Download
memory/4052-5-0x000001E49FAD0000-0x000001E49FB08000-memory.dmp

Filesize
224KB

Download
memory/4052-0-0x000001E485370000-0x000001E485392000-memory.dmp

Filesize
136KB

Download
memory/4052-3-0x000001E49F980000-0x000001E49F990000-memory.dmp

Filesize
64KB

Download
memory/4052-2-0x00007FFD01390000-0x00007FFD01E51000-memory.dmp

Filesize
10.8MB

Download
memory/4052-1-0x000001E486F00000-0x000001E486F06000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads