a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb

Analysis

max time kernel
7s
max time network
35s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 09:55

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General

Target

a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.exe
Size

935KB
MD5

9f27b127b952875922715b9d70ffa79c
SHA1

6dd4fce3d88088b43b6520a5f53357658a7e2e64
SHA256

a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb
SHA512

816d04433766f184c128dae39fd36f43e6148c44b25c62c1fc9e087a959d04ab4ac65ac0f4fc4be8102e245a818cd1ac5baa1fa1dd961717c7b8d10a35e8e769
SSDEEP

12288:p5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4:pyHv5Z+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/1744-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1744-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1744-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1744-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1744-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1744-64-0x0000000000400000-0x00000000004F2000-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	a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.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	a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1748 set thread context of 1744	1748	a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1744	a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 1744	1748	a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.exe	29
PID 1748 wrote to memory of 1744	1748	a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.exe	29
PID 1748 wrote to memory of 1744	1748	a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.exe	29
PID 1748 wrote to memory of 1744	1748	a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.exe	29
PID 1748 wrote to memory of 1744	1748	a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.exe	29
PID 1748 wrote to memory of 1744	1748	a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.exe	29
PID 1748 wrote to memory of 1744	1748	a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.exe	29
PID 1748 wrote to memory of 1744	1748	a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.exe	29

C:\Users\Admin\AppData\Local\Temp\a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.exe
"C:\Users\Admin\AppData\Local\Temp\a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Users\Admin\AppData\Local\Temp\a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.exe
  "C:\Users\Admin\AppData\Local\Temp\a07cf75251ac8d6797ee102d4dafa41f48c5055c8eec60e9aa3c090c19bacebb.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1744

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/1744-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1744-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1744-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1744-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1744-61-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download
memory/1744-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1744-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1744-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads