snakekeylogger | 68ef3fd87db02762f5bc7d604354cd0dee06df1c6c8eb0b05e04dec272b72dfe

General

Target

doc2019291888001990.pdf.exe
Size

13KB
MD5

3d18d2aac131785618c05c974240a2e0
SHA1

59ced83454905b1355abb7f8a9db626794e9fa90
SHA256

68ef3fd87db02762f5bc7d604354cd0dee06df1c6c8eb0b05e04dec272b72dfe
SHA512

14c497b7abc723d55a75a2a56efa298f7452766dcbf298deac7c1a43e0be549e289b8439510624e6a981d662ea5a77df36a7cc8f31747b71cd4003b211727593

Score

10^/10

snakekeylogger collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

snakekeylogger

Credentials

Protocol: smtp
Host:
mail.mebareklam.com.tr
Port:
587
Username:
meba@mebareklam.com.tr
Password:
%2Ar34qs

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger
Turns off Windows Defender SpyNet reporting 2 TTPs
evasion

Disabling Security Tools
T1089

Modify Registry
T1112
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Nirsoft 3 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\6b2fe935-5718-4124-87ae-67fddd137488\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\6b2fe935-5718-4124-87ae-67fddd137488\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\6b2fe935-5718-4124-87ae-67fddd137488\AdvancedRun.exe	Nirsoft

Executes dropped EXE 2 IoCs

Processes:

AdvancedRun.exeAdvancedRun.exe

pid process

1904 AdvancedRun.exe
1528 AdvancedRun.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Windows security modification 2 TTPs 10 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

doc2019291888001990.pdf.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	doc2019291888001990.pdf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	doc2019291888001990.pdf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths	doc2019291888001990.pdf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions	doc2019291888001990.pdf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\doc2019291888001990.pdf.exe = "0"	doc2019291888001990.pdf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Spynet\SubmitSamplesConsent = "0"	doc2019291888001990.pdf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	doc2019291888001990.pdf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Real-Time Protection	doc2019291888001990.pdf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Spynet	doc2019291888001990.pdf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Spynet\SpyNetReporting = "0"	doc2019291888001990.pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

doc2019291888001990.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc2019291888001990.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc2019291888001990.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc2019291888001990.pdf.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

19 checkip.dyndns.org
22 freegeoip.app
23 freegeoip.app
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	ioc
19	checkip.dyndns.org
22	freegeoip.app
23	freegeoip.app

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

AdvancedRun.exeAdvancedRun.exedoc2019291888001990.pdf.exepowershell.exe

pid	process
1904	AdvancedRun.exe
1904	AdvancedRun.exe
1904	AdvancedRun.exe
1904	AdvancedRun.exe
1528	AdvancedRun.exe
1528	AdvancedRun.exe
1528	AdvancedRun.exe
1528	AdvancedRun.exe
1556	doc2019291888001990.pdf.exe
3780	powershell.exe
3780	powershell.exe
3780	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

doc2019291888001990.pdf.exeAdvancedRun.exeAdvancedRun.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1556	doc2019291888001990.pdf.exe
Token: SeDebugPrivilege	1904	AdvancedRun.exe
Token: SeImpersonatePrivilege	1904	AdvancedRun.exe
Token: SeDebugPrivilege	1528	AdvancedRun.exe
Token: SeImpersonatePrivilege	1528	AdvancedRun.exe
Token: SeDebugPrivilege	3780	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

doc2019291888001990.pdf.exeAdvancedRun.exe

description	pid	process	target process
PID 1556 wrote to memory of 1904	1556	doc2019291888001990.pdf.exe	AdvancedRun.exe
PID 1556 wrote to memory of 1904	1556	doc2019291888001990.pdf.exe	AdvancedRun.exe
PID 1556 wrote to memory of 1904	1556	doc2019291888001990.pdf.exe	AdvancedRun.exe
PID 1904 wrote to memory of 1528	1904	AdvancedRun.exe	AdvancedRun.exe
PID 1904 wrote to memory of 1528	1904	AdvancedRun.exe	AdvancedRun.exe
PID 1904 wrote to memory of 1528	1904	AdvancedRun.exe	AdvancedRun.exe
PID 1556 wrote to memory of 3780	1556	doc2019291888001990.pdf.exe	powershell.exe
PID 1556 wrote to memory of 3780	1556	doc2019291888001990.pdf.exe	powershell.exe
PID 1556 wrote to memory of 3780	1556	doc2019291888001990.pdf.exe	powershell.exe

outlook_office_path 1 IoCs

Processes:

doc2019291888001990.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc2019291888001990.pdf.exe

outlook_win_path 1 IoCs

Processes:

doc2019291888001990.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	doc2019291888001990.pdf.exe

C:\Users\Admin\AppData\Local\Temp\doc2019291888001990.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\doc2019291888001990.pdf.exe"
1⤵
- Windows security modification
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1556

C:\Users\Admin\AppData\Local\Temp\6b2fe935-5718-4124-87ae-67fddd137488\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\6b2fe935-5718-4124-87ae-67fddd137488\AdvancedRun.exe" /EXEFilename "C:\Users\Admin\AppData\Local\Temp\6b2fe935-5718-4124-87ae-67fddd137488\test.bat" /WindowState ""0"" /PriorityClass ""32"" /CommandLine "" /StartDirectory "" /RunAs 8 /Run
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1904

C:\Users\Admin\AppData\Local\Temp\6b2fe935-5718-4124-87ae-67fddd137488\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\6b2fe935-5718-4124-87ae-67fddd137488\AdvancedRun.exe" /SpecialRun 4101d8 1904
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1528

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\doc2019291888001990.pdf.exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3780

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Disabling Security Tools

3

T1089

Modify Registry

3

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\6b2fe935-5718-4124-87ae-67fddd137488\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\6b2fe935-5718-4124-87ae-67fddd137488\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\6b2fe935-5718-4124-87ae-67fddd137488\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
memory/1528-126-0x0000000000000000-mapping.dmp

Download
memory/1556-121-0x0000000005400000-0x000000000546A000-memory.dmp

Filesize
424KB

Download
memory/1556-122-0x0000000005970000-0x0000000005971000-memory.dmp

Filesize
4KB

Download
memory/1556-120-0x00000000048C0000-0x00000000048C1000-memory.dmp

Filesize
4KB

Download
memory/1556-117-0x0000000004970000-0x0000000004971000-memory.dmp

Filesize
4KB

Download
memory/1556-115-0x0000000000040000-0x0000000000041000-memory.dmp

Filesize
4KB

Download
memory/1556-138-0x00000000060D0000-0x00000000060D1000-memory.dmp

Filesize
4KB

Download
memory/1556-129-0x00000000054C0000-0x00000000054DF000-memory.dmp

Filesize
124KB

Download
memory/1556-137-0x0000000006110000-0x0000000006111000-memory.dmp

Filesize
4KB

Download
memory/1556-136-0x0000000006240000-0x0000000006241000-memory.dmp

Filesize
4KB

Download
memory/1904-123-0x0000000000000000-mapping.dmp

Download
memory/3780-134-0x0000000007170000-0x0000000007171000-memory.dmp

Filesize
4KB

Download
memory/3780-143-0x0000000008490000-0x0000000008491000-memory.dmp

Filesize
4KB

Download
memory/3780-132-0x00000000070F0000-0x00000000070F1000-memory.dmp

Filesize
4KB

Download
memory/3780-135-0x0000000007172000-0x0000000007173000-memory.dmp

Filesize
4KB

Download
memory/3780-131-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

Filesize
4KB

Download
memory/3780-130-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

Filesize
4KB

Download
memory/3780-128-0x0000000000000000-mapping.dmp

Download
memory/3780-139-0x0000000007E30000-0x0000000007E31000-memory.dmp

Filesize
4KB

Download
memory/3780-140-0x0000000007FB0000-0x0000000007FB1000-memory.dmp

Filesize
4KB

Download
memory/3780-141-0x0000000007ED0000-0x0000000007ED1000-memory.dmp

Filesize
4KB

Download
memory/3780-142-0x0000000008120000-0x0000000008121000-memory.dmp

Filesize
4KB

Download
memory/3780-133-0x00000000077B0000-0x00000000077B1000-memory.dmp

Filesize
4KB

Download
memory/3780-144-0x00000000089D0000-0x00000000089D1000-memory.dmp

Filesize
4KB

Download
memory/3780-145-0x00000000088B0000-0x00000000088B1000-memory.dmp

Filesize
4KB

Download
memory/3780-146-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

Filesize
4KB

Download
memory/3780-153-0x0000000009650000-0x0000000009683000-memory.dmp

Filesize
204KB

Download
memory/3780-160-0x0000000009630000-0x0000000009631000-memory.dmp

Filesize
4KB

Download
memory/3780-165-0x00000000097A0000-0x00000000097A1000-memory.dmp

Filesize
4KB

Download
memory/3780-166-0x0000000009C10000-0x0000000009C11000-memory.dmp

Filesize
4KB

Download
memory/3780-169-0x000000007F8E0000-0x000000007F8E1000-memory.dmp

Filesize
4KB

Download
memory/3780-170-0x0000000007173000-0x0000000007174000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads