4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8

General

Target

4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.exe
Size

935KB
MD5

a7ab5ee5736a09bbcde7569d5d425e64
SHA1

ce3ea0e85cad62c604e599104898effcb428c9a1
SHA256

4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8
SHA512

6e5f4e3ce8b2700e77aeecffc306ebff6737ef891287a132c6c43204c57ada8fce40996890155ff56acea40de081e0ff44875ebeeab235150af2a7b0d1610d50
SSDEEP

12288:p5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4:pyHv5Z+Wzv7AiBll0OBWi6si9G

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1924-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1924-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1924-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1924-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1924-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1924-64-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/1924-65-0x0000000000400000-0x00000000004F2000-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\VideoBiosVersion	4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.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	4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1716 set thread context of 1924	1716	4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1924	4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 1924	1716	4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.exe	29
PID 1716 wrote to memory of 1924	1716	4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.exe	29
PID 1716 wrote to memory of 1924	1716	4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.exe	29
PID 1716 wrote to memory of 1924	1716	4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.exe	29
PID 1716 wrote to memory of 1924	1716	4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.exe	29
PID 1716 wrote to memory of 1924	1716	4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.exe	29
PID 1716 wrote to memory of 1924	1716	4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.exe	29
PID 1716 wrote to memory of 1924	1716	4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.exe	29

C:\Users\Admin\AppData\Local\Temp\4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.exe
"C:\Users\Admin\AppData\Local\Temp\4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Users\Admin\AppData\Local\Temp\4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.exe
  "C:\Users\Admin\AppData\Local\Temp\4bb1f9b2585816b6777ee099025d06ae700a83d9b52709802536ae014da4d6b8.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1924

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/1924-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1924-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1924-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1924-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1924-61-0x00000000760C1000-0x00000000760C3000-memory.dmp

Filesize
8KB

Download
memory/1924-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1924-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1924-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/1924-65-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads