4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c

General

Target

4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe
Size

623KB
MD5

b652e55983aa5f2ef967dacf564fa24b
SHA1

0dfb93b79747976703b69dba6657c0c044e9f78a
SHA256

4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c
SHA512

2cffa1b91c2b47272446645f2b73eff00f5017e4c43c601b1af69dd6856766e3ff6392d2017b8032b61666bb9b670bc9251208ab10d2d37d05c9cbbf62be5403
SSDEEP

12288:UsAL/W5L/SZdSCvTF+bDTqXTGanh/y+50vOoU3B1GXG/b3RZdYuCc:UsW/WNSZ8CLGETGaFZMOJ3BsXU3RZdYa

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

Processes:

4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.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

Processes:

svchost.exe

pid process

2040 svchost.exe

pid	process
2040	svchost.exe

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{491842C4-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{491842C4-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msfud32.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{491842C4-8B9A-11D5-EBA1-F78EEEEEE983}	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{491842C4-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msfud32.exe"	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exesvchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe

Drops file in System32 directory 6 IoCs

Processes:

4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe
File created	C:\Windows\SysWOW64\msfud32.exe	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe
File opened for modification	C:\Windows\SysWOW64\msfud32.exe	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe
File created	C:\Windows\SysWOW64\concp32.exe	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe
File created	C:\Windows\SysWOW64\vcl32.exe	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe

Drops file in Windows directory 2 IoCs

Processes:

4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe

description	ioc	process
File created	C:\Windows\svchost.exe	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe
File opened for modification	C:\Windows\svchost.exe	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe

Modifies registry class 12 IoCs

Processes:

svchost.exe4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{491842C4-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{491842C4-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{491842C4-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{491842C4-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{491842C4-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{491842C4-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{491842C4-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	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\{491842C4-8B9A-11D5-EBA1-F78EEEEEE983}	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{491842C4-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{491842C4-8B9A-11D5-EBA1-F78EEEEEE983}\ax = fbd726f1426507c7928c3475af200e50	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe

pid process

2028 4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe

pid	process
2028	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe

description	pid	process	target process
PID 2028 wrote to memory of 2040	2028	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe	svchost.exe
PID 2028 wrote to memory of 2040	2028	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe	svchost.exe
PID 2028 wrote to memory of 2040	2028	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe	svchost.exe
PID 2028 wrote to memory of 2040	2028	4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.exe
"C:\Users\Admin\AppData\Local\Temp\4f5a62953887e0edb04c6af2da90e577cb6012242fc90e9ba71be5ef90869a4c.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:2028

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:2040

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\svchost.exe

Filesize
626KB

MD5
39e8e17385db14a9072e444219b9eee9

SHA1
d9da0d0c069cd1f979d79174aef0c05b0fe0b6c7

SHA256
8b687132aafa947881a602fc54e6a727168bb2842b0973fcf10947cde2bb4a5b

SHA512
fb72d367705ad1c78b4a78126a598b5ecbee7f71975c4c9c50b5933d81c40bb0512796d9c1222854cc242cd2a9a19db386d3e9aa1c4ebf43a84085f4d9ed06b4

Download Submit
memory/2028-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2028-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2040-55-0x0000000000000000-mapping.dmp

Download
memory/2040-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2040-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads