8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d

Analysis

max time kernel
186s
max time network
191s
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, 10:48

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General

Target

8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe
Size

935KB
MD5

3d73e945471ea1b17e5d33976868ef46
SHA1

8e0c6b5dfe664e8114610f59d4b6c69a501187a2
SHA256

8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d
SHA512

4c40f45dee445957d1c7fc2a0558a40ca6439c7baa21ec74611cee0e5e3b3e80f80fbf2057de4f3dcea3276d32431ce3c413cdbecd7fc5b999aacdf0ec443f80
SSDEEP

12288:I5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x46:IyHv5Z+Wzv7AiBll0OBWi6si9GX

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4372-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4372-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4372-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4372-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/4372-138-0x0000000000400000-0x00000000004F2000-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	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.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	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4740 set thread context of 4372	4740	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe	83

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4372	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe
4372	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe
4372	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe
4372	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe
4372	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe
4372	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 4372	4740	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe	83
PID 4740 wrote to memory of 4372	4740	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe	83
PID 4740 wrote to memory of 4372	4740	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe	83
PID 4740 wrote to memory of 4372	4740	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe	83
PID 4740 wrote to memory of 4372	4740	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe	83
PID 4740 wrote to memory of 4372	4740	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe	83
PID 4740 wrote to memory of 4372	4740	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe	83
PID 4740 wrote to memory of 4372	4740	8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe	83

C:\Users\Admin\AppData\Local\Temp\8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe
"C:\Users\Admin\AppData\Local\Temp\8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Users\Admin\AppData\Local\Temp\8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe
  "C:\Users\Admin\AppData\Local\Temp\8c337881e8c2aff91a6a606b4fff8914b5b382d599eaa0868da4e6916430ef7d.exe" Track="0001101000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:4372

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/4372-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4372-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4372-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4372-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/4372-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads