8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180

Analysis

max time kernel
147s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 17:37

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General

Target

8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.exe
Size

586KB
MD5

f3c61fe41f1b86aedfe2546ced263614
SHA1

6df8a24588d6ecd826706d218e89a2fe73da3de8
SHA256

8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180
SHA512

3ef37c1c06bdcd9ae1cc0b1485f8395deca009c09479ffa1671e40606fbd914edf5db0a82f4139a275f898a1e7dca79ab9277fd15219e0862178a5c9bbc7df4b
SSDEEP

12288:UsAL/W5L/SZdSCvTF+bDTqXTa7v5ougtHEg/7Q4BUO8OcTiH1yZQshscB:UsW/WNSZ8CLGETEjgXs4BvvKigmwsQ

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\" %*"	8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.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\{3012E2A8-8B9A-11D5-EBA1-F78EEEEEE983}	8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{3012E2A8-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msdyu32.exe"	8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.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\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.exe
File created	C:\Windows\SysWOW64\msdyu32.exe	8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.exe
File opened for modification	C:\Windows\SysWOW64\msdyu32.exe	8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.exe
File created	C:\Windows\SysWOW64\concp32.exe	8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3992	4696	WerFault.exe	81

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3012E2A8-8B9A-11D5-EBA1-F78EEEEEE983}	8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3012E2A8-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3012E2A8-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{3012E2A8-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 75a8eea97ed1e5ed226584220548ff2c	8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4696	8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.exe

C:\Users\Admin\AppData\Local\Temp\8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.exe
"C:\Users\Admin\AppData\Local\Temp\8c3e8dee62b04a481ed190759179cbb332427856df798dbe7227a951f8696180.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:4696
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4696 -s 760
  2⤵
  - Program crash
  PID:3992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4696 -ip 4696
1⤵
PID:1972

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/4696-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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