4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133

Analysis

max time kernel
95s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 13:33

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General

Target

4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe
Size

935KB
MD5

4d60d76ad5ad4f307bbee9278b2a33e1
SHA1

87e32eea4fc06760e42c463a79207a83d19cb83b
SHA256

4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133
SHA512

5384d22086fe62ff0f022ed9fde898f85a807f41e9bf6e2dea0921be14436f2b20b38cc98f5f37d2d7eedd7e2400d1633d8431219eaa867ee64c655ce017b476
SSDEEP

12288:p5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x42: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
behavioral2/memory/3088-133-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3088-135-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3088-136-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3088-137-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3088-138-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral2/memory/3088-139-0x0000000000400000-0x00000000004F2000-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	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.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	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4200 set thread context of 3088	4200	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe	81

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3088	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe
3088	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe
3088	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe
3088	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe
3088	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe
3088	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4200 wrote to memory of 3088	4200	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe	81
PID 4200 wrote to memory of 3088	4200	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe	81
PID 4200 wrote to memory of 3088	4200	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe	81
PID 4200 wrote to memory of 3088	4200	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe	81
PID 4200 wrote to memory of 3088	4200	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe	81
PID 4200 wrote to memory of 3088	4200	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe	81
PID 4200 wrote to memory of 3088	4200	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe	81
PID 4200 wrote to memory of 3088	4200	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe	81

C:\Users\Admin\AppData\Local\Temp\4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe
"C:\Users\Admin\AppData\Local\Temp\4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4200
- C:\Users\Admin\AppData\Local\Temp\4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe
  "C:\Users\Admin\AppData\Local\Temp\4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:3088

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/3088-133-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3088-135-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3088-136-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3088-137-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3088-138-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/3088-139-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads