8f2fd44f1fba04b2b0f832e1dd30bc9142f8a6c2fa9efd26958f5313fe9c12d2

General

Target

8d54f704168abaffd65eb870729daa49.exe
Size

148KB
MD5

8d54f704168abaffd65eb870729daa49
SHA1

4e734a7c1da7b8d125c7c3bc8f29fd88a8ae2f23
SHA256

8f2fd44f1fba04b2b0f832e1dd30bc9142f8a6c2fa9efd26958f5313fe9c12d2
SHA512

87855a3318a456075a2693a573fb4328755e6bb83cef2bc3d3bedb257e39bea00c2672db205a5326fdc4b9e16477ca4c9df29454957497ae3a5a95d3ceef259b
SSDEEP

3072:NP0xWuJjbHRuvqW/3NRdPDxQWccFwEknZpLKKDpxULvdNboYyerZcJsz9v:RuWuxbsCW/3/dPDW4fknBxClNbFyerZl

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2160	nvchost.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1876-0-0x0000000000400000-0x000000000045F000-memory.dmp	upx
behavioral1/files/0x000c00000001224c-5.dat	upx
behavioral1/memory/1876-7-0x0000000000400000-0x000000000045F000-memory.dmp	upx
behavioral1/memory/2160-9-0x0000000000400000-0x000000000045F000-memory.dmp	upx
behavioral1/memory/2160-10-0x0000000000400000-0x000000000045F000-memory.dmp	upx
behavioral1/memory/2160-11-0x0000000000400000-0x000000000045F000-memory.dmp	upx
behavioral1/memory/2160-12-0x0000000000400000-0x000000000045F000-memory.dmp	upx
behavioral1/memory/2160-13-0x0000000000400000-0x000000000045F000-memory.dmp	upx
behavioral1/memory/2160-14-0x0000000000400000-0x000000000045F000-memory.dmp	upx
behavioral1/memory/2160-15-0x0000000000400000-0x000000000045F000-memory.dmp	upx
behavioral1/memory/2160-16-0x0000000000400000-0x000000000045F000-memory.dmp	upx
behavioral1/memory/2160-17-0x0000000000400000-0x000000000045F000-memory.dmp	upx
behavioral1/memory/2160-18-0x0000000000400000-0x000000000045F000-memory.dmp	upx
behavioral1/memory/2160-19-0x0000000000400000-0x000000000045F000-memory.dmp	upx
behavioral1/memory/2160-20-0x0000000000400000-0x000000000045F000-memory.dmp	upx
behavioral1/memory/2160-21-0x0000000000400000-0x000000000045F000-memory.dmp	upx
behavioral1/memory/2160-22-0x0000000000400000-0x000000000045F000-memory.dmp	upx
behavioral1/memory/2160-23-0x0000000000400000-0x000000000045F000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\winlogon = "C:\\Windows\\nvchost.exe"	nvchost.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\nvchost.exe	8d54f704168abaffd65eb870729daa49.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2160	nvchost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 2160	1876	8d54f704168abaffd65eb870729daa49.exe	28
PID 1876 wrote to memory of 2160	1876	8d54f704168abaffd65eb870729daa49.exe	28
PID 1876 wrote to memory of 2160	1876	8d54f704168abaffd65eb870729daa49.exe	28
PID 1876 wrote to memory of 2160	1876	8d54f704168abaffd65eb870729daa49.exe	28

C:\Users\Admin\AppData\Local\Temp\8d54f704168abaffd65eb870729daa49.exe
"C:\Users\Admin\AppData\Local\Temp\8d54f704168abaffd65eb870729daa49.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1876
- C:\Windows\nvchost.exe
  C:\Windows\nvchost.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetWindowsHookEx
  PID:2160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\nvchost.exe

Filesize
148KB

MD5
8d54f704168abaffd65eb870729daa49

SHA1
4e734a7c1da7b8d125c7c3bc8f29fd88a8ae2f23

SHA256
8f2fd44f1fba04b2b0f832e1dd30bc9142f8a6c2fa9efd26958f5313fe9c12d2

SHA512
87855a3318a456075a2693a573fb4328755e6bb83cef2bc3d3bedb257e39bea00c2672db205a5326fdc4b9e16477ca4c9df29454957497ae3a5a95d3ceef259b

Download Submit
memory/1876-0-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1876-7-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1876-8-0x0000000000350000-0x00000000003AF000-memory.dmp

Filesize
380KB

Download
memory/2160-13-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2160-16-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2160-11-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2160-12-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2160-9-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2160-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2160-15-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2160-10-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2160-17-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2160-18-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2160-19-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2160-20-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2160-21-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2160-22-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2160-23-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads