bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3

General

Target

bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
Size

164KB
MD5

482eed4c2031db6839d5d8dc3a2887b8
SHA1

c2483e60d79e7d46410e83e858fbc4f1088addfc
SHA256

bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3
SHA512

6e01606021c4ba5cb40a0e8d1ca24682b2acfccf800b096f59310979588b63ace9ed3ed03e0632bb8e1168057b55250d737791b89ec4f5e9a5792ed4e8c341e2
SSDEEP

3072:Rr6X08eCf/PPd8ilk5/wT/67gghr5QOoYmV5ZC/FbGG2NosBpd19o:RAeAbkZwTagARoY0Y0NTX1C

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\software\WOW6432Node\Microsoft\Windows\CurrentVersion\run	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\Z:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\X:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\O:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\M:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\H:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\W:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\V:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\Q:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\P:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\G:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\I:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\Y:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\U:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\T:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\N:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\L:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\J:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\S:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\R:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\K:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\F:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened (read-only)	\??\E:	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe

Drops autorun.inf file 1 TTPs 2 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	C:\autorun.inf	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3240	3956	WerFault.exe	81
3512	3956	WerFault.exe	81

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	winword.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	winword.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	winword.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	winword.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	winword.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	winword.exe

Suspicious behavior: AddClipboardFormatListener 2 IoCs

pid	Process
4944	winword.exe
4944	winword.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3956	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
3956	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4944	winword.exe
4944	winword.exe
4944	winword.exe
4944	winword.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3956 wrote to memory of 4944	3956	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe	82
PID 3956 wrote to memory of 4944	3956	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe	82
PID 3956 wrote to memory of 3240	3956	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe	87
PID 3956 wrote to memory of 3240	3956	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe	87
PID 3956 wrote to memory of 3240	3956	bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe	87

C:\Users\Admin\AppData\Local\Temp\bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe
"C:\Users\Admin\AppData\Local\Temp\bce0d568abea417c7f47c3a7d52c14a5d5ca00dafc3b2dbd440bd85deb1d52d3.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops autorun.inf file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3956
- C:\Program Files\Microsoft Office\Root\Office16\winword.exe
  "C:\Program Files\Microsoft Office\Root\Office16\winword.exe"
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of SetWindowsHookEx
  PID:4944
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3956 -s 724
  2⤵
  - Program crash
  PID:3240
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3956 -s 724
  2⤵
  - Program crash
  PID:3512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3956 -ip 3956
1⤵
PID:1608

Network

MITRE ATT&CK Enterprise v6

Initial Access

Replication Through Removable Media

1

T1091

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

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3956-132-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/3956-140-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4944-135-0x00007FF99C110000-0x00007FF99C120000-memory.dmp

Filesize
64KB

Download
memory/4944-136-0x00007FF99C110000-0x00007FF99C120000-memory.dmp

Filesize
64KB

Download
memory/4944-137-0x00007FF99C110000-0x00007FF99C120000-memory.dmp

Filesize
64KB

Download
memory/4944-138-0x00007FF99C110000-0x00007FF99C120000-memory.dmp

Filesize
64KB

Download
memory/4944-139-0x00007FF99C110000-0x00007FF99C120000-memory.dmp

Filesize
64KB

Download
memory/4944-141-0x00007FF9997B0000-0x00007FF9997C0000-memory.dmp

Filesize
64KB

Download
memory/4944-142-0x00007FF9997B0000-0x00007FF9997C0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads