73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918

General

Target

73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.exe
Size

935KB
MD5

28fd05f5d39cce6fc930d1ddefed1fde
SHA1

459612c1f9b9da857185a1c8b0c33b07fb76886d
SHA256

73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918
SHA512

77297ab71a4f231344a17f84edf17953ad4466b7a5e864239b8c73d576bcc32d76ef09f326ee9a054bad7b83f29d71717a736bc81c54a84aa71ee5b0142c67c2
SSDEEP

12288:55Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x49:5yHv5Z+Wzv7AiBll0OBWi6si9G8

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/520-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/520-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/520-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/520-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/520-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/520-64-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/520-65-0x0000000000400000-0x00000000004F2000-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\SystemBiosVersion	73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.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	73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 848 set thread context of 520	848	73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
520	73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 520	848	73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.exe	29
PID 848 wrote to memory of 520	848	73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.exe	29
PID 848 wrote to memory of 520	848	73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.exe	29
PID 848 wrote to memory of 520	848	73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.exe	29
PID 848 wrote to memory of 520	848	73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.exe	29
PID 848 wrote to memory of 520	848	73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.exe	29
PID 848 wrote to memory of 520	848	73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.exe	29
PID 848 wrote to memory of 520	848	73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.exe	29

C:\Users\Admin\AppData\Local\Temp\73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.exe
"C:\Users\Admin\AppData\Local\Temp\73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:848
- C:\Users\Admin\AppData\Local\Temp\73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.exe
  "C:\Users\Admin\AppData\Local\Temp\73508af41b2fb1b5a0df8b0128c87073e98620f01da26bc3c0e73b6de9e4d918.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:520

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/520-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/520-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/520-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/520-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/520-61-0x00000000766F1000-0x00000000766F3000-memory.dmp

Filesize
8KB

Download
memory/520-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/520-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/520-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/520-65-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads