8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0

Analysis

max time kernel
16s
max time network
71s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 10:40

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General

Target

8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.exe
Size

935KB
MD5

910e969f27786ea131623e5a5d333d83
SHA1

6ab26b90f22227ed849ab15296216652c49ce175
SHA256

8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0
SHA512

3ce1ced6949ab0f95a8321166722df388155da1bae7d3307e288d32b31491d201e22f7be4ebbe00efa924645936e08cbafab9cce133e1ed492a94223d57461a1
SSDEEP

12288:p5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4M:pyHv5Z+Wzv7AiBll0OBWi6si9Gh

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
behavioral1/memory/320-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/320-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/320-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/320-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/320-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/320-64-0x0000000000400000-0x00000000004F2000-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	8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1596 set thread context of 320	1596	8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
320	8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 320	1596	8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.exe	29
PID 1596 wrote to memory of 320	1596	8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.exe	29
PID 1596 wrote to memory of 320	1596	8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.exe	29
PID 1596 wrote to memory of 320	1596	8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.exe	29
PID 1596 wrote to memory of 320	1596	8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.exe	29
PID 1596 wrote to memory of 320	1596	8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.exe	29
PID 1596 wrote to memory of 320	1596	8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.exe	29
PID 1596 wrote to memory of 320	1596	8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.exe	29

C:\Users\Admin\AppData\Local\Temp\8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.exe
"C:\Users\Admin\AppData\Local\Temp\8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Users\Admin\AppData\Local\Temp\8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.exe
  "C:\Users\Admin\AppData\Local\Temp\8f8b85defedf7ddf07c0edd96c160702a96f9d3d9f79ca0ed62a622e0751c1c0.exe" Track="0001101000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:320

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/320-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/320-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/320-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/320-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/320-61-0x00000000757B1000-0x00000000757B3000-memory.dmp

Filesize
8KB

Download
memory/320-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/320-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/320-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads