31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c

General

Target

31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exe
Size

240KB
MD5

2a99dbf42068aa8f356f990b9a8dfe00
SHA1

3f4801e737a838a447a95d2a4e9c9b3bcd75091e
SHA256

31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c
SHA512

3ec24d1e1f46e507c71df291e4c57dad6802b1cd000d8cc3bf480d9e7eb83a07d2329fe88fc525e13dbf42417ec22947d2b368811991863ada67238f965d9870
SSDEEP

3072:/zkBGrT8j6VlpvBd90i/SmWKLi7CjFSivnfu3fbMdozt5cz0GI:/zX0UGKGkFRKfeoztO4

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:

31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exegbpaur.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	gbpaur.exe

Executes dropped EXE 1 IoCs

Processes:

gbpaur.exe

pid process

912 gbpaur.exe

pid	process
912	gbpaur.exe

Loads dropped DLL 2 IoCs

Processes:

31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exe

pid	process
900	31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exe
900	31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exe

Adds Run key to start application 2 TTPs 29 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

gbpaur.exe31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /f"	gbpaur.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /g"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /x"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /u"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /p"	gbpaur.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\	31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /e"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /i"	31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /v"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /r"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /k"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /b"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /s"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /q"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /t"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /y"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /z"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /c"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /l"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /w"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /m"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /a"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /n"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /i"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /j"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /h"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /d"	gbpaur.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\gbpaur = "C:\\Users\\Admin\\gbpaur.exe /o"	gbpaur.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:

31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exegbpaur.exe

pid	process
900	31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe
912	gbpaur.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exegbpaur.exe

pid process

900 31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exe
912 gbpaur.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exe

description	pid	process	target process
PID 900 wrote to memory of 912	900	31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exe	gbpaur.exe
PID 900 wrote to memory of 912	900	31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exe	gbpaur.exe
PID 900 wrote to memory of 912	900	31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exe	gbpaur.exe
PID 900 wrote to memory of 912	900	31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exe	gbpaur.exe

C:\Users\Admin\AppData\Local\Temp\31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exe
"C:\Users\Admin\AppData\Local\Temp\31ddffc973aad7533f04e7333f308a9e2ed853e68582a7b9fa2f60a0bd82e14c.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:900

C:\Users\Admin\gbpaur.exe
"C:\Users\Admin\gbpaur.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:912

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\gbpaur.exe

Filesize
240KB

MD5
3a0beb4262c5ea423db1c2acfd8d5251

SHA1
b872733faf856ba065d9c09feae13d6617a1ed9d

SHA256
d779ece16d08b4bee0f8b8cb853a7291b4ad6cc6073332ea5e80ed89ceae2b47

SHA512
a98d10139a85e3bae4e567149ded9a564d4265fe8ae3434314015a2fe06416c93871db29eaad11bf44f6b7602c125c77960c6d0b17727ebb25f1bff008424b68

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

Filesize
240KB

MD5
3a0beb4262c5ea423db1c2acfd8d5251

SHA1
b872733faf856ba065d9c09feae13d6617a1ed9d

SHA256
d779ece16d08b4bee0f8b8cb853a7291b4ad6cc6073332ea5e80ed89ceae2b47

SHA512
a98d10139a85e3bae4e567149ded9a564d4265fe8ae3434314015a2fe06416c93871db29eaad11bf44f6b7602c125c77960c6d0b17727ebb25f1bff008424b68

Download Submit
\Users\Admin\gbpaur.exe

Filesize
240KB

MD5
3a0beb4262c5ea423db1c2acfd8d5251

SHA1
b872733faf856ba065d9c09feae13d6617a1ed9d

SHA256
d779ece16d08b4bee0f8b8cb853a7291b4ad6cc6073332ea5e80ed89ceae2b47

SHA512
a98d10139a85e3bae4e567149ded9a564d4265fe8ae3434314015a2fe06416c93871db29eaad11bf44f6b7602c125c77960c6d0b17727ebb25f1bff008424b68

Download Submit
\Users\Admin\gbpaur.exe

Filesize
240KB

MD5
3a0beb4262c5ea423db1c2acfd8d5251

SHA1
b872733faf856ba065d9c09feae13d6617a1ed9d

SHA256
d779ece16d08b4bee0f8b8cb853a7291b4ad6cc6073332ea5e80ed89ceae2b47

SHA512
a98d10139a85e3bae4e567149ded9a564d4265fe8ae3434314015a2fe06416c93871db29eaad11bf44f6b7602c125c77960c6d0b17727ebb25f1bff008424b68

Download Submit
memory/900-56-0x0000000076071000-0x0000000076073000-memory.dmp

Filesize
8KB

Download
memory/912-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads