66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6

Analysis

max time kernel
204s
max time network
211s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 12:23

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General

Target

66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe
Size

935KB
MD5

2d07d715a784f4c24f55c66bae19399f
SHA1

b533e8d4ed66a9a209ed2587413924ff23f1ad0e
SHA256

66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6
SHA512

bda6637813783d648cb6158609332ebbedf0cdd9c8a1bff8ca2798af385dd5b8df9eaa22a08569a2a9d9b0ec3d2e6537ab0f9603d51a636ee1c79c1150451d09
SSDEEP

12288:p5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x48:pyHv5Z+Wzv7AiBll0OBWi6si9Gt

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3552-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3552-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3552-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3552-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3552-138-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3552-139-0x0000000000400000-0x00000000004F2000-memory.dmp	upx

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS 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\SystemBiosVersion	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 668 set thread context of 3552	668	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe	83

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3552	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe
3552	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe
3552	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe
3552	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe
3552	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe
3552	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 668 wrote to memory of 3552	668	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe	83
PID 668 wrote to memory of 3552	668	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe	83
PID 668 wrote to memory of 3552	668	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe	83
PID 668 wrote to memory of 3552	668	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe	83
PID 668 wrote to memory of 3552	668	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe	83
PID 668 wrote to memory of 3552	668	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe	83
PID 668 wrote to memory of 3552	668	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe	83
PID 668 wrote to memory of 3552	668	66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe	83

C:\Users\Admin\AppData\Local\Temp\66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe
"C:\Users\Admin\AppData\Local\Temp\66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:668
- C:\Users\Admin\AppData\Local\Temp\66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe
  "C:\Users\Admin\AppData\Local\Temp\66c171560d6fd9956b600c86cdc02e940725731c2eb6ba15be07830b5f39ebc6.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:3552

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3552-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3552-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3552-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3552-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3552-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3552-139-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads