5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd

General

Target

5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe
Size

564KB
MD5

3ada7d9f7c0d2e069a94356c90b4cccf
SHA1

87aa9335ffa9c483f0468e6dabb3226ac507f5fc
SHA256

5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd
SHA512

b3f06c42bc9830b8c39816b860049bf22a0c01b2c0c8d4ccf7360228ac65470e294e0398e91f531b19506c434ddcfdea53de473fa4bf66cc2db7fae3a6ca4f63
SSDEEP

12288:UsAAPaPUD18t/R/OgRs6dBFnD0YvK2CSENn70YwjUZr3Vc1wEA9Oa93pm:UsMP7tMEs6dfoYv070YwuV8AOa9Zm

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\" %*"	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.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
2036	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\{E0A60700-8B9A-11D5-EBA1-F78EEEEEE983}	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{E0A60700-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msmca32.exe"	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{E0A60700-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{E0A60700-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msmca32.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"	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	spoolsv.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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\msmca32.exe	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe
File opened for modification	C:\Windows\SysWOW64\msmca32.exe	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe
File created	C:\Windows\SysWOW64\concp32.exe	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe
File created	C:\Windows\SysWOW64\vcl32.exe	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\spoolsv.exe	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe
File opened for modification	C:\Windows\spoolsv.exe	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0A60700-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0A60700-8B9A-11D5-EBA1-F78EEEEEE983}	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0A60700-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0A60700-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 4f80393aa66094ba96c08c40975e2f46	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0A60700-8B9A-11D5-EBA1-F78EEEEEE983}	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0A60700-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0A60700-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	spoolsv.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0A60700-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	spoolsv.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0A60700-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E0A60700-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	spoolsv.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
916	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 916 wrote to memory of 2036	916	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe	27
PID 916 wrote to memory of 2036	916	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe	27
PID 916 wrote to memory of 2036	916	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe	27
PID 916 wrote to memory of 2036	916	5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe	27

C:\Users\Admin\AppData\Local\Temp\5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.exe
"C:\Users\Admin\AppData\Local\Temp\5444764067763b00f78983a18bd744ace921bb3bf3dd466c932974a37c31abcd.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:916
- 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:2036

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
564KB

MD5
f51b8f19e78645cb7b7cb75888c1346b

SHA1
5d0ac0b3cabbf24dc54822c952431661795c2c4d

SHA256
6ccf7ee0084eb61d6fac6f9a2e23bfc2209418931ba39ddf0d48e4614e663642

SHA512
d486a846272c7abd57337069bc8a53ea68a6614513574c0b574fd1eec4c448e8c6a551ae63f40ebfd8bba9e8de0cee215eb415c58ba9c6d21e5a8475495193ee

Download Submit
memory/916-54-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/916-57-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2036-58-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2036-59-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads