c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8

Analysis

max time kernel
184s
max time network
193s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2022 09:10

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General

Target

c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.exe
Size

791KB
MD5

9ca5b5debe22cd927bc92da9b7f51f88
SHA1

abb9b9cd294557bc24adecedaf7c5cd2f72cfe7d
SHA256

c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8
SHA512

39ec73736ca4553c913d32370f77cee893d5ef6c3f3138cb96d2b3e3fb06fa4ddc7c75eb89eb4e1cf84a3e46e053b046d35665c3c3a3680c63ebc55055414560
SSDEEP

24576:UsW/WNSZ8CLGETEjgXs4hDFqCLBkLuC4Av1ZyE:Up/HiCHbxhDMEOLutAv1t

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\" %*"	c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.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\{D56ECADF-8B9A-11D5-EBA1-F78EEEEEE983}	c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{D56ECADF-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msfvo32.exe"	c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.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"	c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\concp32.exe	c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.exe
File created	C:\Windows\SysWOW64\vcl32.exe	c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.exe
File created	C:\Windows\SysWOW64\msfvo32.exe	c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.exe
File opened for modification	C:\Windows\SysWOW64\msfvo32.exe	c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.exe
File created	C:\Windows\SysWOW64\concp32.exe	c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4768	4184	WerFault.exe	81

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\" %*"	c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D56ECADF-8B9A-11D5-EBA1-F78EEEEEE983}	c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D56ECADF-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D56ECADF-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{D56ECADF-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 144b63037dedd1c1ec388a8a6dade634	c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4184	c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.exe

C:\Users\Admin\AppData\Local\Temp\c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.exe
"C:\Users\Admin\AppData\Local\Temp\c7986f87fa7eeb2cf7f376bb126b04b9bc2c592d3d14a74b79f0188dde262fb8.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:4184
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4184 -s 636
  2⤵
  - Program crash
  PID:4768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4184 -ip 4184
1⤵
PID:4284

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

Replay Monitor

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Downloads

memory/4184-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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