915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82

General

Target

915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe
Size

668KB
MD5

db4b51666e84c5dfa8ceff0f508ea9f4
SHA1

faf044d636169400b48819f547bbcc237feb30a2
SHA256

915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82
SHA512

e0fd7aec230e9b9f8effb32b8fdf09869186b666a3a573d0fc20892bdbc7b153db04dcedd93c7bc67c9f5abd620423368e6a26aae14b4ae125d0162baa93f077
SSDEEP

12288:UsAAPaPUD18t/R/OgRs6dBFnD0YvK2CSzfCoJ6BvlJO002TlLxq2YWb3t:UsMP7tMEs6dfoYvZfRJ0vlJx0kpA2Yqd

Score

10^/10

persistence

Malware Config

Signatures

Modifies system executable filetype association 2 TTPs 2 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\" %*"	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	spoolsv.exe

Executes dropped EXE 1 IoCs

pid	Process
1940	spoolsv.exe

Modifies Installed Components in the registry 2 TTPs 4 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\{7B22671C-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msmit32.exe"	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{7B22671C-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{7B22671C-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msmit32.exe"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{7B22671C-8B9A-11D5-EBA1-F78EEEEEE983}	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe

Adds Run key to start application 2 TTPs 4 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"	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe
File created	C:\Windows\SysWOW64\msmit32.exe	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe
File opened for modification	C:\Windows\SysWOW64\msmit32.exe	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe
File created	C:\Windows\SysWOW64\concp32.exe	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe
File created	C:\Windows\SysWOW64\vcl32.exe	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe
File opened for modification	C:\Windows\spoolsv.exe	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B22671C-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B22671C-8B9A-11D5-EBA1-F78EEEEEE983}	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B22671C-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 90b5535a9fa334321ea284a7013ed640	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B22671C-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B22671C-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B22671C-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B22671C-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B22671C-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B22671C-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B22671C-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	spoolsv.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1932	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 1940	1932	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe	28
PID 1932 wrote to memory of 1940	1932	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe	28
PID 1932 wrote to memory of 1940	1932	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe	28
PID 1932 wrote to memory of 1940	1932	915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe	28

C:\Users\Admin\AppData\Local\Temp\915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe
"C:\Users\Admin\AppData\Local\Temp\915a6e05e82eea33496856ebea2782a618f15b26265901af367e889549806f82.exe"
1⤵
- Modifies system executable filetype association
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\spoolsv.exe
  C:\Windows\spoolsv.exe
  2⤵
  - Modifies system executable filetype association
  - Executes dropped EXE
  - Modifies Installed Components in the registry
  - Adds Run key to start application
  - Modifies registry class
  PID:1940

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\spoolsv.exe

Filesize
671KB

MD5
7c068bf76e1ebf8bcb1ab9164136b2ab

SHA1
48fd0907487a81dae376004363edbd0eaeb2a73f

SHA256
c5ebff13e9dda514587fcc87246d089a2db94bbf3175a935de60fd72cb6fe419

SHA512
39f31d1a1e4894703894b5fbd2fe3758e81fb7d10a16eb71899be0bdbe07e3d3e84c41bfc0ef064555718e125ea466a04be41c46c29da1b208b40af15741a734

Download Submit
memory/1932-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1932-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1940-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1940-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads