600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84

General

Target

600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe
Size

1.1MB
MD5

03ec85a1f2d908c3d5c9ecfa687fea80
SHA1

c1588229c750505ce2885f118d5c4fef3a0adf05
SHA256

600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84
SHA512

dd5907dbfd415c00b47710ae0f184bd2dbfadf813d011b538a267f7dbcff3d5b8beb1b57dd39c0bfcd22f2a022f069bb24164fa87c821051d5ab3e15d164b156
SSDEEP

24576:v6Zv2ivhBVnFys7xP86LXtqWJ/eroQm2S7DLIqIT8TZR:vE2ivhQs7dLX/Jyb7S7DLhIT81R

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{CF486381-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mskhs32.exe"	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{CF486381-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{CF486381-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mskhs32.exe"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{CF486381-8B9A-11D5-EBA1-F78EEEEEE983}	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe

Executes dropped EXE 1 IoCs

pid	Process
2396	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\" %*"	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.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"	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\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	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe
File opened for modification	C:\Windows\SysWOW64\vcl32.exe	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe
File created	C:\Windows\SysWOW64\mskhs32.exe	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe
File opened for modification	C:\Windows\SysWOW64\mskhs32.exe	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe
File created	C:\Windows\SysWOW64\concp32.exe	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe
File opened for modification	C:\Windows\SysWOW64\concp32.exe	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2136-0-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral1/files/0x00080000000187ac-6.dat	upx
behavioral1/files/0x0008000000018708-14.dat	upx
behavioral1/memory/2136-15-0x0000000000400000-0x0000000000439000-memory.dmp	upx
behavioral1/memory/2396-16-0x0000000000400000-0x0000000000439000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\svchost.exe	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe
File created	C:\Windows\svchost.exe	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.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	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.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\{CF486381-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CF486381-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CF486381-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 3b99f0df0b6bf0a8b97e99b9fcfee617	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CF486381-8B9A-11D5-EBA1-F78EEEEEE983}	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CF486381-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CF486381-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226	svchost.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CF486381-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CF486381-8B9A-11D5-EBA1-F78EEEEEE983}	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CF486381-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{CF486381-8B9A-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 (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*"	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2136	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 2396	2136	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe	30
PID 2136 wrote to memory of 2396	2136	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe	30
PID 2136 wrote to memory of 2396	2136	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe	30
PID 2136 wrote to memory of 2396	2136	600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe	30

C:\Users\Admin\AppData\Local\Temp\600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.exe
"C:\Users\Admin\AppData\Local\Temp\600d060b30739e868e7e49739ec25fd2eaadf91046202f83e9d962ce22cb6c84N.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:2136
- 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:2396

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
1.1MB

MD5
8e62f23af6e66da2eeec014b4632f9fd

SHA1
8504067d2aa7ad27620723a2bde1e24763827121

SHA256
4cb6d5faafd032375735b788cfacfc88c1cd940ae34153653d307b03f88db853

SHA512
e7a1150fd85a9ba2dd1c9c2ce2c4dde1c7c6fa5e901e3c74ed5557431033777393377fb32cc70f8f9d7a025441b230a27947d02cae78f6d5371cc60097f56eb9

Download Submit
C:\Windows\svchost.exe

Filesize
1.1MB

MD5
71af63514ad6fd5c9c87be41e17caa88

SHA1
9d3ddfc8fd16137a8b2c32d6f278e1e66942429c

SHA256
f36668272e7be853a6022ade9b7d168870e9a7a78ad06020252c81661b57e495

SHA512
00cd65df18594ca2d8a79ebcfc153ce93a1b299c13fbb1a0ae242ea02141ce11d2919365fbef8d556077c976411e95d8df4ef7ea92d3e11eec1d8a9bde790804

Download Submit
memory/2136-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2136-13-0x0000000000220000-0x0000000000259000-memory.dmp

Filesize
228KB

Download
memory/2136-15-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/2396-16-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads