4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133

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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1532-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1532-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1532-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1532-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1532-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1532-64-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1532-65-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1532-66-0x0000000000400000-0x00000000004F2000-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 2000 set thread context of 1532	2000	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1532	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 1532	2000	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe	29
PID 2000 wrote to memory of 1532	2000	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe	29
PID 2000 wrote to memory of 1532	2000	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe	29
PID 2000 wrote to memory of 1532	2000	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe	29
PID 2000 wrote to memory of 1532	2000	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe	29
PID 2000 wrote to memory of 1532	2000	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe	29
PID 2000 wrote to memory of 1532	2000	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe	29
PID 2000 wrote to memory of 1532	2000	4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe	29

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:2000
- C:\Users\Admin\AppData\Local\Temp\4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe
  "C:\Users\Admin\AppData\Local\Temp\4b3ae139395503bc5403a671cfe9ab4bfbed953045382464b8dbc1fa5951b133.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1532

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1532-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1532-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1532-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1532-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1532-61-0x00000000763F1000-0x00000000763F3000-memory.dmp

Filesize
8KB

Download
memory/1532-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1532-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1532-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1532-65-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1532-66-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads