3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213

General

Target

3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe
Size

943KB
MD5

e38acd21d77d64b54f43a5a630f28220
SHA1

0ea55e517edfa351831f1dbbd4c5f982fa2e31d5
SHA256

3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213
SHA512

87625821893fddc6f056e9a939b24683c813a7a828806ddd1a87d0d53054535e4ab97d099c47da77d53fad58c07643565b71ec8c9b761b3f94416b87a6d6096f
SSDEEP

24576:v6Zv2ivhBVnFvh5Q44+iiEb0f2Q5tUTiZP0isKRrNq:vE2ivhhUK9f9gfisKfq

Score

8^/10

discovery persistence upx

Malware Config

Signatures

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9E35E070-8B9A-11D5-EBA1-F78EEEEEE983}	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9E35E070-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msveu32.exe"	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9E35E070-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9E35E070-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msveu32.exe"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2332	svchost.exe

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe
File created	C:\Windows\SysWOW64\msveu32.exe	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe
File opened for modification	C:\Windows\SysWOW64\msveu32.exe	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe
File created	C:\Windows\SysWOW64\concp32.exe	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2324-0-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral1/files/0x0006000000019496-5.dat	upx
behavioral1/files/0x0008000000019438-14.dat	upx
behavioral1/memory/2324-15-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral1/memory/2332-16-0x0000000000400000-0x0000000000439000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\svchost.exe	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe
File opened for modification	C:\Windows\svchost.exe	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies registry class 12 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E35E070-8B9A-11D5-EBA1-F78EEEEEE983}	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E35E070-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E35E070-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 057cfa44205058edbd43253332a774f2	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E35E070-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E35E070-8B9A-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
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E35E070-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E35E070-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E35E070-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E35E070-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9E35E070-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	svchost.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2324	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2332	2324	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe	31
PID 2324 wrote to memory of 2332	2324	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe	31
PID 2324 wrote to memory of 2332	2324	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe	31
PID 2324 wrote to memory of 2332	2324	3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe	31

C:\Users\Admin\AppData\Local\Temp\3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe
"C:\Users\Admin\AppData\Local\Temp\3916ef0f58334f64b841491ce083db332c707357998a08f9deab4d2fabe9e213N.exe"
1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies system executable filetype association
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\svchost.exe
  C:\Windows\svchost.exe
  2⤵
  - Boot or Logon Autostart Execution: Active Setup
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2332

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

3

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\concp32.exe

Filesize
948KB

MD5
88b611609f364492779f0f1423167960

SHA1
3dfde58e6ff5608b8c238d1e92ec09e81546d773

SHA256
dcf86671b27b937d5d35a410e73967c09f8e1343824d233e8a7f37e4695c8c26

SHA512
e978e4cf5c2d2f402176dd466e2fb0a725426b65a317156fe9ca1a51d235e6f08068994d05254fee35fcd68b86f8b2990dd007fef0585e111416eb7a81fd9e8d

Download Submit
C:\Windows\svchost.exe

Filesize
948KB

MD5
2c739b9705fdbc951898536ac0b8dedf

SHA1
6670499f2aed61187b140d4508100bf3a009f8d4

SHA256
bd78adef31cb606108b2ae1434665a423e364e6a6693e7829e145c257ab69892

SHA512
6080d908b623bfc9682274af9a72ba79569d04e4ba8738e3bedb06bcd7f1ef3aa51d2620645359e700fe2b85e363e3eac8c3377abc7076d2253c5ec643d9b577

Download Submit
memory/2324-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2324-13-0x0000000000220000-0x0000000000259000-memory.dmp

Filesize
228KB

Download
memory/2324-15-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2332-16-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads