bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7

General

Target

bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
Size

763KB
MD5

963716cdf16160ab4dcff82584b5b380
SHA1

e361e56c9505f29f58dee3e81b4ad03a58e309bd
SHA256

bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7
SHA512

293f506b10a7af4f40f4935b054004e8a4eddb37ca9cbe281bb2dfd5645c6785b74fffc288b56397dc661799108714d9e30cbe57d474edffce4896b7662ac8cc
SSDEEP

12288:UsAAPaPUD18t/R/OgRs6dBFnD0YvK2CSzfC26NE44oT/TEgIUpxT+zJpdW6qVB64:UsMP7tMEs6dfoYvZfmiDo8gpl+92dBdN

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\" %*"	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1052	svchost.exe

Modifies Installed Components in the registry 2 TTPs 4 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\{51DCC5E7-8B9A-11D5-EBA1-F78EEEEEE983}	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51DCC5E7-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msiyr32.exe"	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51DCC5E7-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{51DCC5E7-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msiyr32.exe"	svchost.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"	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
File created	C:\Windows\SysWOW64\msiyr32.exe	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
File opened for modification	C:\Windows\SysWOW64\msiyr32.exe	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
File created	C:\Windows\SysWOW64\concp32.exe	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
File created	C:\Windows\SysWOW64\vcl32.exe	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\svchost.exe	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
File opened for modification	C:\Windows\svchost.exe	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{51DCC5E7-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{51DCC5E7-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{51DCC5E7-8B9A-11D5-EBA1-F78EEEEEE983}	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{51DCC5E7-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 29f9fd78bf71e37660f6e8714c13f0a0	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{51DCC5E7-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{51DCC5E7-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{51DCC5E7-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{51DCC5E7-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{51DCC5E7-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{51DCC5E7-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1424	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 1052	1424	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe	26
PID 1424 wrote to memory of 1052	1424	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe	26
PID 1424 wrote to memory of 1052	1424	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe	26
PID 1424 wrote to memory of 1052	1424	bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe	26

C:\Users\Admin\AppData\Local\Temp\bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.exe
"C:\Users\Admin\AppData\Local\Temp\bfd3efeddbdbdc28954e2b73d51c670db61c26c6b48a77b70a5280b7ccffa1c7.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:1424
- C:\Windows\svchost.exe
  C:\Windows\svchost.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:1052

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

Replay Monitor

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Downloads

C:\Windows\svchost.exe

Filesize
765KB

MD5
eab7d5b7e065082ba678a3989fb71950

SHA1
0f53ffa8a5a2d5fe19443f5ed17d12f07ece89c7

SHA256
d9895f0333de2aac24fe40ff35a7cbdc6d71c4fc812baea1398f287d8a29d8ea

SHA512
610a5889600e11389c7cff8943fd8e4fc1cf5cdf9db3a7332c052cd544bcf476546a0a844c4cb62d185ec896beebdf22e9d1826e73ced944efa66831f8286c44

Download Submit
memory/1052-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1052-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1424-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1424-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads