9fd13df8486c02e33997bfa3c8821eb52f77a76d436e63d8e9e5372da641a465

General

Target

9df086ba1898d2c0c811a5fc2267f2e0N.exe
Size

685KB
MD5

9df086ba1898d2c0c811a5fc2267f2e0
SHA1

b8a99b34be6604c2e78ef88e2aee175d802a70d3
SHA256

9fd13df8486c02e33997bfa3c8821eb52f77a76d436e63d8e9e5372da641a465
SHA512

3367151eb7ae66f41f1a70946cdcf92d146292badf840b7d7c2981d6f1ba6865920f320dfea46adf7418ff84c0c9e2b2a2bad500a137e046e0ec138f01edacb8
SSDEEP

12288:7tKe6Zv23YLVFhBsC8iFHs+hsuQXIQVRpVnl3Bg5oiNIr2NOpzuwiKm:v6Zv2ivhBVnFvh5Q44+iisxpzE

Score

8^/10

persistence upx

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5B15E4C3-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msxtv32.exe"	9df086ba1898d2c0c811a5fc2267f2e0N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5B15E4C3-8B9A-11D5-EBA1-F78EEEEEE983}	9df086ba1898d2c0c811a5fc2267f2e0N.exe

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	9df086ba1898d2c0c811a5fc2267f2e0N.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2972-0-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral2/files/0x00070000000234d5-5.dat	upx
behavioral2/memory/2972-7-0x0000000000400000-0x0000000000439000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	9df086ba1898d2c0c811a5fc2267f2e0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	9df086ba1898d2c0c811a5fc2267f2e0N.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	9df086ba1898d2c0c811a5fc2267f2e0N.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	9df086ba1898d2c0c811a5fc2267f2e0N.exe
File created	C:\Windows\SysWOW64\msxtv32.exe	9df086ba1898d2c0c811a5fc2267f2e0N.exe
File opened for modification	C:\Windows\SysWOW64\msxtv32.exe	9df086ba1898d2c0c811a5fc2267f2e0N.exe
File created	C:\Windows\SysWOW64\concp32.exe	9df086ba1898d2c0c811a5fc2267f2e0N.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	9df086ba1898d2c0c811a5fc2267f2e0N.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1676	2972	WerFault.exe	81

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B15E4C3-8B9A-11D5-EBA1-F78EEEEEE983}	9df086ba1898d2c0c811a5fc2267f2e0N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B15E4C3-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	9df086ba1898d2c0c811a5fc2267f2e0N.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B15E4C3-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	9df086ba1898d2c0c811a5fc2267f2e0N.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{5B15E4C3-8B9A-11D5-EBA1-F78EEEEEE983}\ax = a0789edac3f5a48ff9f60f78cbf7d398	9df086ba1898d2c0c811a5fc2267f2e0N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	9df086ba1898d2c0c811a5fc2267f2e0N.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2972	9df086ba1898d2c0c811a5fc2267f2e0N.exe

C:\Users\Admin\AppData\Local\Temp\9df086ba1898d2c0c811a5fc2267f2e0N.exe
"C:\Users\Admin\AppData\Local\Temp\9df086ba1898d2c0c811a5fc2267f2e0N.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies system executable filetype association
- Adds Run key to start application
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:2972
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2972 -s 712
  2⤵
  - Program crash
  PID:1676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2972 -ip 2972
1⤵
PID:3004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\concp32.exe

Filesize
686KB

MD5
120b1a2b5b82f103204b4c7fae60ca9b

SHA1
f23d00b54db74f2850f8532e0210d66968c22e26

SHA256
39093a7c24b5eea7d0833b98fed72895be94a54a69ffebff7a0ddbee13ecfb08

SHA512
9f9985a8e0b367d4e2528a156b66c28b86d4924d9a5e87dbc9444a428b262293193c5458ac59521f0162976a35c4728e81efa1f0f44eaedc8e2c1866ea368bbc

Download Submit
memory/2972-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2972-7-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads