da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522

Analysis

max time kernel
189s
max time network
194s
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, 09:19

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General

Target

da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.exe
Size

655KB
MD5

6e6ea69ead35be47191fb6609ac3e139
SHA1

c2ac097b643bab9393d629b150a1832f711a414e
SHA256

da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522
SHA512

9b5be7fa560f39701a9f7513e2f1d439e8d05d43c124154ea49462d4f1a2e7a4feb00a1017e5280ba819e2c003ccf4701ffe7661ae47efddc31ac277bfe39d0e
SSDEEP

12288:NtKe6Zv23YdqMGHGSX1388BxGVI43GVpinJ2suEn23teGb/2tEgL+msup0l:d6Zv2jbW1SaUEn2deGbSEO+ruW

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\" %*"	da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.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\{C13BF00D-8B9A-11D5-EBA1-F78EEEEEE983}	da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{C13BF00D-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mshii32.exe"	da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.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"	da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\mshii32.exe	da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.exe
File created	C:\Windows\SysWOW64\concp32.exe	da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.exe
File created	C:\Windows\SysWOW64\vcl32.exe	da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.exe
File created	C:\Windows\SysWOW64\mshii32.exe	da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3328	1432	WerFault.exe	81

Modifies registry class 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C13BF00D-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C13BF00D-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 9fd73ba82cdb47c85e350f65160ca36a	da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C13BF00D-8B9A-11D5-EBA1-F78EEEEEE983}	da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{C13BF00D-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1432	da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.exe

C:\Users\Admin\AppData\Local\Temp\da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.exe
"C:\Users\Admin\AppData\Local\Temp\da2dfbb54b240fd1b6e551ad26b0ad77559915b5d0002965d415a9a7b4429522.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:1432
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 672
  2⤵
  - Program crash
  PID:3328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 1432 -ip 1432
1⤵
PID:3796

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/1432-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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