9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa

General

Target

9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exe
Size

88KB
MD5

5e690fa19585e0e553366311ee0a16c0
SHA1

08b53f2a499dc15cba5d6c4d055d3c780ef52324
SHA256

9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa
SHA512

ba6168f3a4c85770952e023b3fff1e7b3dc1d103a5ef43b74f6fb77b59f8aa3c0c36fa9a02ad36a1eb9be80dfcabec9ccc344d69ad9e6f6ac17bb63367fd1fcb
SSDEEP

1536:6eUDdZnW1pLDcw3Hr+PaGme7pPXLq0zTrkyP:JUDrnl1XTzToyP

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Processes:

9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exewhtoak.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	whtoak.exe

Executes dropped EXE 1 IoCs

Processes:

whtoak.exe

pid process

2708 whtoak.exe

pid	process
2708	whtoak.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

Processes:

9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exewhtoak.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /n"	9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\	9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /m"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /l"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /q"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /p"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /x"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /g"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /e"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /a"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /k"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /f"	whtoak.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run\	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /j"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /u"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /t"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /y"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /r"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /n"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /i"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /h"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /d"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /z"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /s"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /w"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /c"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /b"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /v"	whtoak.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\whtoak = "C:\\Users\\Admin\\whtoak.exe /o"	whtoak.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exewhtoak.exe

pid	process
1032	9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exe
1032	9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe
2708	whtoak.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exewhtoak.exe

pid process

1032 9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exe
2708 whtoak.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exe

description	pid	process	target process
PID 1032 wrote to memory of 2708	1032	9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exe	whtoak.exe
PID 1032 wrote to memory of 2708	1032	9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exe	whtoak.exe
PID 1032 wrote to memory of 2708	1032	9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exe	whtoak.exe

C:\Users\Admin\AppData\Local\Temp\9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exe
"C:\Users\Admin\AppData\Local\Temp\9cf13281b541e2defe56505b69f8df2945c85876a438649e44bc7a98929d68aa.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1032
- C:\Users\Admin\whtoak.exe
  "C:\Users\Admin\whtoak.exe"
  2⤵
  - Modifies visiblity of hidden/system files in Explorer
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:2708

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1

T1158

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\whtoak.exe

Filesize
88KB

MD5
aaac2d55729e0685983f0e069fb8dbad

SHA1
20869370c0e19ae315224b6f1270ca92460fba0f

SHA256
3e07080c172df89bc7927346cd3dd1a90442ab01df714769f2de40145a02cff1

SHA512
d819f4aaaa95887a13006dc8d7f153fd8517ac467248473b5c016b3cf67ee9acb199412a09ca7a7adfa0b337f10acdee7b38cb0beea586844a394f8a435a2867

Download Submit
C:\Users\Admin\whtoak.exe

Filesize
88KB

MD5
aaac2d55729e0685983f0e069fb8dbad

SHA1
20869370c0e19ae315224b6f1270ca92460fba0f

SHA256
3e07080c172df89bc7927346cd3dd1a90442ab01df714769f2de40145a02cff1

SHA512
d819f4aaaa95887a13006dc8d7f153fd8517ac467248473b5c016b3cf67ee9acb199412a09ca7a7adfa0b337f10acdee7b38cb0beea586844a394f8a435a2867

Download Submit
memory/2708-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads