4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f

General

Target

4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.exe
Size

935KB
MD5

8fa501f2ec48724b3de4c41b782b2e04
SHA1

51b267338104566303dc3466392807e59e12009d
SHA256

4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f
SHA512

b445849b426a40b8f78677937b5715c18429a477e90807828385381cf20dcd910ea61f80052a7435e775db244c8710eef46ae703588f80d9ad6f242bd53bda7a
SSDEEP

12288:I5Yr15f753d5QWIDz/Wz9NCyzHinLipNDJ5eoFb0OZ/WiGaks+HL63S27x4q:IyHv5Z+Wzv7AiBll0OBWi6si9Gv

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/676-55-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/676-57-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/676-58-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/676-62-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/676-63-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/676-64-0x0000000000400000-0x00000000004F2000-memory.dmp	upx
behavioral1/memory/676-65-0x0000000000400000-0x00000000004F2000-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	4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.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	4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1232 set thread context of 676	1232	4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.exe	29

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
676	4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1232 wrote to memory of 676	1232	4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.exe	29
PID 1232 wrote to memory of 676	1232	4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.exe	29
PID 1232 wrote to memory of 676	1232	4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.exe	29
PID 1232 wrote to memory of 676	1232	4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.exe	29
PID 1232 wrote to memory of 676	1232	4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.exe	29
PID 1232 wrote to memory of 676	1232	4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.exe	29
PID 1232 wrote to memory of 676	1232	4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.exe	29
PID 1232 wrote to memory of 676	1232	4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.exe	29

C:\Users\Admin\AppData\Local\Temp\4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.exe
"C:\Users\Admin\AppData\Local\Temp\4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1232
- C:\Users\Admin\AppData\Local\Temp\4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.exe
  "C:\Users\Admin\AppData\Local\Temp\4d1131a586ded9b37f9ffb805ef1117c40bd90df853f2dc0b500f21b82945f0f.exe" Track="0001001000"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:676

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/676-54-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/676-55-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/676-57-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/676-58-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/676-61-0x0000000075991000-0x0000000075993000-memory.dmp

Filesize
8KB

Download
memory/676-62-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/676-63-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/676-64-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download
memory/676-65-0x0000000000400000-0x00000000004F2000-memory.dmp

Filesize
968KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads