67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea

Analysis

max time kernel
179s
max time network
189s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 09:12

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General

Target

67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe
Size

827KB
MD5

81b57a56edfd7e2703f141c1186d9cb6
SHA1

b494923363ee0002c9ab43dde2a98a4a4bedeae6
SHA256

67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea
SHA512

9e653eee20bcd146adc7d32e27d8c9b20fd5ffc59344f932629bca2caedac2c4d6a03bfa5f0ba32e7748c88c7482dcec351494091e05cc0a1192a399b93dd020
SSDEEP

24576:UsW/WNSZ8CLGETEjgXs4hDFqCLBkLuC4AvMVzo:Up/HiCHbxhDMEOLutAvMVzo

Score

10^/10

persistence

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe

Modifies Installed Components in the registry 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{6C5F191D-8B9A-11D5-EBA1-F78EEEEEE983}	67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{6C5F191D-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mswnt32.exe"	67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mswnt32.exe	67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe
File opened for modification	C:\Windows\SysWOW64\mswnt32.exe	67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe
File created	C:\Windows\SysWOW64\concp32.exe	67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe
File created	C:\Windows\SysWOW64\vcl32.exe	67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1028	2580	WerFault.exe	79

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C5F191D-8B9A-11D5-EBA1-F78EEEEEE983}	67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C5F191D-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C5F191D-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{6C5F191D-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 484c3a66760efe0d6c3e10e5d26733c1	67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2580	67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe

C:\Users\Admin\AppData\Local\Temp\67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe
"C:\Users\Admin\AppData\Local\Temp\67746d31a83ebb31d8323c0d2dd78beda7225f6b0f229ff92e76dffbc674afea.exe"
1⤵
- Modifies system executable filetype association
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:2580
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2580 -s 756
  2⤵
  - Program crash
  PID:1028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2580 -ip 2580
1⤵
PID:4928

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

T1042

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2580-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2580-133-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download