e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab

General

Target

e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe
Size

469KB
MD5

0539f7dda025046597b8d01ef58742f6
SHA1

e7d5c64261ffd7074a5b2ba809f02fd1e88f2f91
SHA256

e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab
SHA512

74e48e460b910084e4fbdf108531eba8f03767997a25c805c0837529270c93e80afc63cfca818c27607fd5f208960d39e16ad3ddeef731376c8c5800a34ef2b7
SSDEEP

12288:UsA1mIRjZp9IyTFCMXSWEOIQvX4RYTwgCxv2ThaUSkX:UsnIPp9IyTFC00OLXFTwjxv2Tha4X

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\" %*"	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.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
1072	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\{A72FD94C-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msusc32.exe"	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{A72FD94C-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{A72FD94C-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msusc32.exe"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{A72FD94C-8B9A-11D5-EBA1-F78EEEEEE983}	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.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"	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\msusc32.exe	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe
File created	C:\Windows\SysWOW64\concp32.exe	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe
File created	C:\Windows\SysWOW64\vcl32.exe	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe
File created	C:\Windows\SysWOW64\msusc32.exe	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe
File opened for modification	C:\Windows\spoolsv.exe	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72FD94C-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72FD94C-8B9A-11D5-EBA1-F78EEEEEE983}	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72FD94C-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72FD94C-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72FD94C-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72FD94C-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72FD94C-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72FD94C-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72FD94C-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A72FD94C-8B9A-11D5-EBA1-F78EEEEEE983}\ax = fbe6af1a91b955792be74546066d53fc	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.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
1084	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 1072	1084	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe	27
PID 1084 wrote to memory of 1072	1084	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe	27
PID 1084 wrote to memory of 1072	1084	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe	27
PID 1084 wrote to memory of 1072	1084	e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe	27

C:\Users\Admin\AppData\Local\Temp\e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.exe
"C:\Users\Admin\AppData\Local\Temp\e3c6acbfb77a319a7bfa58a462d4689bd535ead543098ab5e48bbb2807e2f7ab.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:1084
- 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:1072

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

Loading Replay Monitor...

Downloads

C:\Windows\spoolsv.exe

Filesize
470KB

MD5
610fc392c01094f4eda293b3349209db

SHA1
4b0c7e2b6f6ff9c4311c67805f206e58440391f8

SHA256
c6304024325ce14aa376d3318d155dfa4926737aabfcd5a5f1c72a274b5de161

SHA512
31dba7f2440482c12a22a0aa4677f77ea24960b52f7b91cf4ab5804fee6f26184088955fa5c004c143eab309f200a0c218edbe229e0a966f7d85d7199ab6ad4c

Download Submit
memory/1072-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1072-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1084-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1084-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads