a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d

Analysis

max time kernel
153s
max time network
183s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2022, 14:59

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General

Target

a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.exe
Size

600KB
MD5

6edb8bee87457c4c26b63ef9ea77f7c0
SHA1

7b6377cf3749e41277cd994a54ef6bdfe3cbd5c6
SHA256

a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d
SHA512

f0401dedb0660fc5f65c5dcf30f90229cddf7d86ab106b6b7ee3014774579ffab3cad9bcae10fc48f61710a53c6fca63a24211b27197640adf0e27876e239853
SSDEEP

12288:NtKe6Zv23YdL/WUv0cSGx8Qv/6h/45cdMhcj8U2sewNuXNNoCyLnD/6qVS:d6Zv24/Wg0c7xm4C443LbuXNG/7dS

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\" %*"	a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.exe

Modifies Installed Components in the registry 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\Active Setup\Installed Components\{B6336592-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mspxb32.exe"	a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{B6336592-8B9A-11D5-EBA1-F78EEEEEE983}	a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.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"	a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mspxb32.exe	a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.exe
File opened for modification	C:\Windows\SysWOW64\mspxb32.exe	a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.exe
File created	C:\Windows\SysWOW64\concp32.exe	a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.exe
File created	C:\Windows\SysWOW64\vcl32.exe	a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2388	2188	WerFault.exe	81

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B6336592-8B9A-11D5-EBA1-F78EEEEEE983}	a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B6336592-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B6336592-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{B6336592-8B9A-11D5-EBA1-F78EEEEEE983}\ax = b2a8b1663c8f04f7d22ae1709d1bda48	a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2188	a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.exe

C:\Users\Admin\AppData\Local\Temp\a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.exe
"C:\Users\Admin\AppData\Local\Temp\a80860c03f99d91f400b6054fcfe2b949c83eb4acaccc4885bea83532c981e9d.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:2188
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 700
  2⤵
  - Program crash
  PID:2388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2188 -ip 2188
1⤵
PID:5012

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/2188-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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memory/2188-133-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download