e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4

General

Target

e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
Size

320KB
MD5

72c304434c07304a80e673fac177ba82
SHA1

3e0c05b5359605ac6772b998622f5442da8a356c
SHA256

e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4
SHA512

7351781d42d6b953f9945e4fc866d59429d4849df3f6cc8907c78e4385097fd060b65469ef0198eb03fadbf8c55fd4f0e651c0f23753e3653ae92bbb68fea073
SSDEEP

6144:MRAhhJxX7bNI5lxxJ8VErjs52UBKDvDJ9uYvlJoMXeQ2K9vzAVgd4tbaL:UsA5LrA52UBMJwv3K9bAVVU

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\" %*"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe

Executes dropped EXE 1 IoCs

pid	Process
1800	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{B672ECB0-8B9A-11D5-EBA1-F78EEEEEE983}	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{B672ECB0-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msorj32.exe"	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{B672ECB0-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{B672ECB0-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msorj32.exe"	spoolsv.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"	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\msorj32.exe	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
File opened for modification	C:\Windows\SysWOW64\msorj32.exe	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
File created	C:\Windows\SysWOW64\concp32.exe	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
File created	C:\Windows\SysWOW64\vcl32.exe	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
File opened for modification	C:\Windows\spoolsv.exe	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B672ECB0-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B672ECB0-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B672ECB0-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B672ECB0-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B672ECB0-8B9A-11D5-EBA1-F78EEEEEE983}\ax = a201b49bb56eecfb8e59b167ac39725b	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B672ECB0-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B672ECB0-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B672ECB0-8B9A-11D5-EBA1-F78EEEEEE983}	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B672ECB0-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B672ECB0-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
752	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 752 wrote to memory of 1800	752	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe	28
PID 752 wrote to memory of 1800	752	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe	28
PID 752 wrote to memory of 1800	752	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe	28
PID 752 wrote to memory of 1800	752	e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe	28

C:\Users\Admin\AppData\Local\Temp\e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.exe
"C:\Users\Admin\AppData\Local\Temp\e6576577d244144fcdbbbb935191a6b105908405a771638f5cc628a10f6570d4.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:752
- 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:1800

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
321KB

MD5
66896137fbe1f8daab2b494913a0c113

SHA1
e07edbb57c58be6a3bb6add45b2e4c407f900f84

SHA256
41b340e4d765438de2bceb2ee969aca03ec3f33b16cae5cf2d0b78f840c6d933

SHA512
428ca61ada9a97aa47a95613f2303e9002d1c383608f2c96b365d63431094c7fd36946d0275609efa2a854cc15606f9f1a1c95b459e8ab800fb82987e0f26fa8

Download Submit
memory/752-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/752-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1800-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1800-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads