271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222

Analysis

max time kernel
46s
max time network
51s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 15:07

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General

Target

271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.exe
Size

935KB
MD5

266dad4167f6d91c17bcf659f23e3a91
SHA1

ea99ff019b78fe4d8492aee3ba6e065780ac0a73
SHA256

271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222
SHA512

a583e0bfb9646becaebd416aff44658574b8a4a1b0ebcc7dab3d9017fdaa1e5e8b55c3b89ab05af355403939e30f51a2c212aa9f446ba690910abeb0e8224d21
SSDEEP

12288:Y5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4:YyHv5Z+Wzv7AiBll0OBWi6si9G

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/1384-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1384-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1384-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1384-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1384-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1384-64-0x0000000000400000-0x00000000004F2000-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	271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.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	271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1340 set thread context of 1384	1340	271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.exe	28

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1384	271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1340 wrote to memory of 1384	1340	271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.exe	28
PID 1340 wrote to memory of 1384	1340	271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.exe	28
PID 1340 wrote to memory of 1384	1340	271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.exe	28
PID 1340 wrote to memory of 1384	1340	271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.exe	28
PID 1340 wrote to memory of 1384	1340	271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.exe	28
PID 1340 wrote to memory of 1384	1340	271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.exe	28
PID 1340 wrote to memory of 1384	1340	271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.exe	28
PID 1340 wrote to memory of 1384	1340	271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.exe	28

C:\Users\Admin\AppData\Local\Temp\271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.exe
"C:\Users\Admin\AppData\Local\Temp\271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Users\Admin\AppData\Local\Temp\271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.exe
  "C:\Users\Admin\AppData\Local\Temp\271b537493b259b83abf36f4cb00476b789adb2531e57a8f4d89ae966301b222.exe" Track="0001101000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1384

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/1384-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1384-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1384-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1384-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1384-61-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download
memory/1384-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1384-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1384-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads