8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d

Analysis

max time kernel
140s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2022, 02:08

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General

Target

8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.exe
Size

539KB
MD5

035ca9ee48415e67cdaefcb2e1e85676
SHA1

3f1be34578354621ce03a0a16fc86587f5b34b40
SHA256

8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d
SHA512

8af8a3f4eecf154531e10f760ca1979d51b89788ffa878c5fabd6fdc58855b4408b47a5f364679462d77a3d6e7c15d890101993d0f2b04538020e50279489d7a
SSDEEP

12288:NtKe6Zv23YdRjJFw9TMbZ678m9i8Syy0B0IHjEZ:d6Zv2ojJFwFcwr0tZ

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\" %*"	8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.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\{FA6D3B8C-8B9A-11D5-EBA1-F78EEEEEE983}	8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{FA6D3B8C-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msfim32.exe"	8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.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"	8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msfim32.exe	8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.exe
File opened for modification	C:\Windows\SysWOW64\msfim32.exe	8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.exe
File created	C:\Windows\SysWOW64\concp32.exe	8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.exe
File created	C:\Windows\SysWOW64\vcl32.exe	8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
532	2512	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\" %*"	8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA6D3B8C-8B9A-11D5-EBA1-F78EEEEEE983}	8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA6D3B8C-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA6D3B8C-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{FA6D3B8C-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 10d24d8124cb72ccf22e5ae5aebc104c	8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2512	8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.exe

C:\Users\Admin\AppData\Local\Temp\8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.exe
"C:\Users\Admin\AppData\Local\Temp\8d7268dc2e1d5dfd9979ffd4c4c9b1c387381cf4a927c87b903a1d040e870b5d.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:2512
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2512 -s 712
  2⤵
  - Program crash
  PID:532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2512 -ip 2512
1⤵
PID:764

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/2512-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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