d607e4cf6254db79c5a50a6e59c25f9387951f545da0b1475719209d8d357f64

General

Target

vpFeuLfJ.exe
Size

33KB
MD5

0613e9a0b44d56f9203f838b07932f84
SHA1

952038465310a43a6741ba20d38e1a0c9d28ead1
SHA256

d607e4cf6254db79c5a50a6e59c25f9387951f545da0b1475719209d8d357f64
SHA512

fb18ab1740d048cfa0b13b051b16f7faf20c6c1a026f526688586fa04aec923f52e198418c8e7b0f024a9a5a3dcc794a44bd14409e7b8f8cfad214286a963d80

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/3440-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/2288-2-0x0000000030000000-0x00000000300C5000-memory.dmp	upx
behavioral2/memory/2288-3-0x0000000030000000-0x00000000300C5000-memory.dmp	upx
behavioral2/memory/2288-4-0x0000000030000000-0x00000000300C5000-memory.dmp	upx
behavioral2/memory/2288-7-0x0000000030000000-0x00000000300C5000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

Processes:

vpFeuLfJ.exe

description pid process target process

PID 788 set thread context of 2288 788 vpFeuLfJ.exe vpFeuLfJ.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

2332 3440 WerFault.exe svchost.exe
3424 3440 WerFault.exe svchost.exe

description	pid	process	target process
PID 788 set thread context of 2288	788	vpFeuLfJ.exe	vpFeuLfJ.exe

pid	pid_target	process	target process
2332	3440	WerFault.exe	svchost.exe
3424	3440	WerFault.exe	svchost.exe

Checks SCSI registry key(s) 3 TTPs 4 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

vpFeuLfJ.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_SANU&PROD_SANU_DVD-ROM\4&37CE57BA&0&010000	vpFeuLfJ.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_Sanu&Prod_Sanu_DVD-ROM\4&37ce57ba&0&010000\ConfigFlags	vpFeuLfJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_&PROD_HEARTDISK\4&37CE57BA&0&000000	vpFeuLfJ.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_&Prod_HeartDisk\4&37ce57ba&0&000000\ConfigFlags	vpFeuLfJ.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

vpFeuLfJ.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	vpFeuLfJ.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	vpFeuLfJ.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

vpFeuLfJ.exevpFeuLfJ.exe

pid process

788 vpFeuLfJ.exe
2288 vpFeuLfJ.exe

pid	process
788	vpFeuLfJ.exe
2288	vpFeuLfJ.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

vpFeuLfJ.exe

description	pid	process	target process
PID 788 wrote to memory of 3440	788	vpFeuLfJ.exe	svchost.exe
PID 788 wrote to memory of 3440	788	vpFeuLfJ.exe	svchost.exe
PID 788 wrote to memory of 3440	788	vpFeuLfJ.exe	svchost.exe
PID 788 wrote to memory of 3440	788	vpFeuLfJ.exe	svchost.exe
PID 788 wrote to memory of 2288	788	vpFeuLfJ.exe	vpFeuLfJ.exe
PID 788 wrote to memory of 2288	788	vpFeuLfJ.exe	vpFeuLfJ.exe
PID 788 wrote to memory of 2288	788	vpFeuLfJ.exe	vpFeuLfJ.exe
PID 788 wrote to memory of 2288	788	vpFeuLfJ.exe	vpFeuLfJ.exe
PID 788 wrote to memory of 2288	788	vpFeuLfJ.exe	vpFeuLfJ.exe
PID 788 wrote to memory of 2288	788	vpFeuLfJ.exe	vpFeuLfJ.exe
PID 788 wrote to memory of 2288	788	vpFeuLfJ.exe	vpFeuLfJ.exe
PID 788 wrote to memory of 2288	788	vpFeuLfJ.exe	vpFeuLfJ.exe

C:\Users\Admin\AppData\Local\Temp\vpFeuLfJ.exe
"C:\Users\Admin\AppData\Local\Temp\vpFeuLfJ.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:788

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
PID:3440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 532
3⤵
- Program crash
PID:2332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3440 -s 544
3⤵
- Program crash
PID:3424

C:\Users\Admin\AppData\Local\Temp\vpFeuLfJ.exe
C:\Users\Admin\AppData\Local\Temp\vpFeuLfJ.exe
2⤵
- Checks SCSI registry key(s)
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
PID:2288

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

3

T1082

Query Registry

2

T1012

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\BESjMo2RJc.cfg
MD5
88dd1c0a11cc6955bd1d48cc63503e65

SHA1
d7bd22f2289d05c3b92119f1de8f5a862a4d095b

SHA256
18ddd5b548e38e9dc56e4cf3b4792a2e894fb3035f3f5c39d84743901bcca2ce

SHA512
1470d35d33666be39137f50b026c0efcf258a896e61249b6ab540e0b5803936b3fdfe35adcfd8b86d2dbf0012ddd3f85dc10698c65e0b12c7e720c5081bfc84d

Download Submit
memory/2288-2-0x0000000030000000-0x00000000300C5000-memory.dmp

Filesize
788KB

Download
memory/2288-3-0x0000000030000000-0x00000000300C5000-memory.dmp

Filesize
788KB

Download
memory/2288-4-0x0000000030000000-0x00000000300C5000-memory.dmp

Filesize
788KB

Download
memory/2288-6-0x00000000300C3850-mapping.dmp

Download
memory/2288-7-0x0000000030000000-0x00000000300C5000-memory.dmp

Filesize
788KB

Download
memory/3440-0-0x0000000010000000-0x000000001004D000-memory.dmp

Filesize
308KB

Download
memory/3440-1-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads