664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34

General

Target

664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe
Size

938KB
MD5

451a16a85434ed59c9000c5e8e8b1c50
SHA1

b85cb2a47bea248cea8b6969c7f4a06ad4405352
SHA256

664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34
SHA512

e24b8adde9c33fab57fede1cccee3c9022f5e9a9e637f8cb990eb95e1fcc29c631d021939afc6513550fa47c88d3f44713f98f5bbc91acba6837357a0eafc793
SSDEEP

24576:v6Zv2ivhBVnFys7xP86LkRCwPYfuukvDtiflQRg:vE2ivhQs7dLkRumsH

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\{C9EE6D21-8B9A-11D5-EBA1-F78EEEEEE983}	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{C9EE6D21-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mspie32.exe"	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{C9EE6D21-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{C9EE6D21-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mspie32.exe"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2412	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\" %*"	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	svchost.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\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\vcl32.exe	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe
File created	C:\Windows\SysWOW64\mspie32.exe	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe
File opened for modification	C:\Windows\SysWOW64\mspie32.exe	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe
File created	C:\Windows\SysWOW64\concp32.exe	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2396-0-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral1/files/0x00070000000192f0-5.dat	upx
behavioral1/files/0x0008000000019228-15.dat	upx
behavioral1/memory/2396-14-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral1/memory/2412-16-0x0000000000400000-0x0000000000439000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\svchost.exe	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe
File opened for modification	C:\Windows\svchost.exe	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.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	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Modifies registry class 12 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9EE6D21-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9EE6D21-8B9A-11D5-EBA1-F78EEEEEE983}	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9EE6D21-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9EE6D21-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9EE6D21-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9EE6D21-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9EE6D21-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9EE6D21-8B9A-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\{C9EE6D21-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{C9EE6D21-8B9A-11D5-EBA1-F78EEEEEE983}\ax = ec7e577225cfc92d0e522d26a707f03f	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2396	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 2412	2396	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe	30
PID 2396 wrote to memory of 2412	2396	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe	30
PID 2396 wrote to memory of 2412	2396	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe	30
PID 2396 wrote to memory of 2412	2396	664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe	30

C:\Users\Admin\AppData\Local\Temp\664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.exe
"C:\Users\Admin\AppData\Local\Temp\664a737c4401f5c45fe541088551335214e71bdd5fbbd887b1c6ccdde443fc34N.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:2396
- 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:2412

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

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Downloads

C:\Windows\SysWOW64\concp32.exe

Filesize
942KB

MD5
11646586ac50311f265cd58ec2d7afcc

SHA1
e3e48a49c64cb9d6c464364ef42d492da6c4a501

SHA256
c52ba1a5c3af2df5bf2e960904127903c83d7853f5a3c2859f423d3b0e8fac6d

SHA512
491ef83dcd35ec1e373edc9b2b4e212e11e95e0d89243b5cbf387a945685396d9105535b7e99a61468a2266a508411ff9390a0a632a3d2f786f1189ebeddef0b

Download Submit
C:\Windows\svchost.exe

Filesize
943KB

MD5
8e06b5e1f43636263887760debde90ff

SHA1
c711eb66c5fee39943a160d1f56ceb457d3c4c8b

SHA256
9d7f82f6f139174f2d84754d54dac966ab47b938c215f4046ae186a021b5a2f7

SHA512
9056f193643e46cd7a9253a42794a7f9e52400a539417f1f0dd055ab2f6e60189275bbcb43287087dedb8099969e4ea59eed9926939186dd0aaa20c0d6f1f2ed

Download Submit
memory/2396-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2396-13-0x0000000000220000-0x0000000000259000-memory.dmp

Filesize
228KB

Download
memory/2396-14-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2412-16-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads