b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e

Analysis

max time kernel
93s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2022, 00:51

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General

Target

b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.exe
Size

591KB
MD5

91331c14e26e9e41e588f9b55da3b230
SHA1

b4fbe572015f105731e78460ae2fcc2789658d3b
SHA256

b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e
SHA512

b52802cddad9b390c37f6dab2af8a28bcc3746df08d9b5ced18b996344e78ebfb4fe6a929016bf1f5618f601ee41def399992eec5b1a017a443702621e4bd7af
SSDEEP

12288:UsAqMGHGSX1388BxGVI43GVpinJMcODu5bsIJojfwzBWZkrpxEvA+H1hR:UsBbW1SaRhaLAUkIv3hR

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\" %*"	b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.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\{57ED10A7-8B9A-11D5-EBA1-F78EEEEEE983}	b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{57ED10A7-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msrqi32.exe"	b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.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"	b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.exe
File created	C:\Windows\SysWOW64\msrqi32.exe	b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.exe
File opened for modification	C:\Windows\SysWOW64\msrqi32.exe	b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.exe
File created	C:\Windows\SysWOW64\concp32.exe	b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.exe
File created	C:\Windows\SysWOW64\vcl32.exe	b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3604	1596	WerFault.exe	80

Modifies registry class 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{57ED10A7-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 394dd6227247723e4b8cd69e7e4ef370	b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{57ED10A7-8B9A-11D5-EBA1-F78EEEEEE983}	b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{57ED10A7-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{57ED10A7-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1596	b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.exe

C:\Users\Admin\AppData\Local\Temp\b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.exe
"C:\Users\Admin\AppData\Local\Temp\b10ff1fa8eb9d1ffdc99d5c87a4ebce6992318a5ea52829a6010078d66736e4e.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:1596
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 736
  2⤵
  - Program crash
  PID:3604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1596 -ip 1596
1⤵
PID:1196

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/1596-132-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

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memory/1596-133-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download