a313a6134e267c1c3e7c5f9790dcc0fa07ac7105977297051373b70c2de22283

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 20:25

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General

Target

10c546472c8671e8bcb8322a20132396.exe
Size

142KB
MD5

10c546472c8671e8bcb8322a20132396
SHA1

938624bd24157386e1b1ac57a18208ddbc58906d
SHA256

a313a6134e267c1c3e7c5f9790dcc0fa07ac7105977297051373b70c2de22283
SHA512

f67390449a01158327297342fb1bb2cd27c4f520dac6100adbb492f2e1bd94ade9dcbbe49767ba8c0f7d53b2f20efea5f7f05bcd58bc503752ba3fc7a57bdda5
SSDEEP

3072:89NzEfwf32SvZZ+0UxVG/PedD2v+V1b4NMeMxEcGgwXUE9CRy0gO4t:89eYfJvzB6U/qpcMeCEC1yDX

Score

10^/10

evasion persistence upx

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	10c546472c8671e8bcb8322a20132396.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	10c546472c8671e8bcb8322a20132396.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	10c546472c8671e8bcb8322a20132396.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Public\HEX-5823-6893-6818\vlcproc.exe = "C:\\Users\\Public\\HEX-5823-6893-6818\\vlcproc.exe:*:Enabled:Java Update Manager"	10c546472c8671e8bcb8322a20132396.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\Control Panel\International\Geo\Nation	10c546472c8671e8bcb8322a20132396.exe

Executes dropped EXE 3 IoCs

pid	Process
3688	vlcproc.exe
3796	vlcproc.exe
548	vlcproc.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/824-3-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/824-9-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/824-7-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/824-17-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/3796-85-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/3796-87-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/3796-95-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Java Update Manager = "C:\\Users\\Public\\HEX-5823-6893-6818\\vlcproc.exe"	10c546472c8671e8bcb8322a20132396.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1684 set thread context of 824	1684	10c546472c8671e8bcb8322a20132396.exe	91
PID 824 set thread context of 4780	824	10c546472c8671e8bcb8322a20132396.exe	92
PID 3688 set thread context of 3796	3688	vlcproc.exe	99
PID 3796 set thread context of 548	3796	vlcproc.exe	100

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	10c546472c8671e8bcb8322a20132396.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1684	10c546472c8671e8bcb8322a20132396.exe
824	10c546472c8671e8bcb8322a20132396.exe
3688	vlcproc.exe
3796	vlcproc.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 824	1684	10c546472c8671e8bcb8322a20132396.exe	91
PID 1684 wrote to memory of 824	1684	10c546472c8671e8bcb8322a20132396.exe	91
PID 1684 wrote to memory of 824	1684	10c546472c8671e8bcb8322a20132396.exe	91
PID 1684 wrote to memory of 824	1684	10c546472c8671e8bcb8322a20132396.exe	91
PID 1684 wrote to memory of 824	1684	10c546472c8671e8bcb8322a20132396.exe	91
PID 1684 wrote to memory of 824	1684	10c546472c8671e8bcb8322a20132396.exe	91
PID 1684 wrote to memory of 824	1684	10c546472c8671e8bcb8322a20132396.exe	91
PID 1684 wrote to memory of 824	1684	10c546472c8671e8bcb8322a20132396.exe	91
PID 824 wrote to memory of 4780	824	10c546472c8671e8bcb8322a20132396.exe	92
PID 824 wrote to memory of 4780	824	10c546472c8671e8bcb8322a20132396.exe	92
PID 824 wrote to memory of 4780	824	10c546472c8671e8bcb8322a20132396.exe	92
PID 824 wrote to memory of 4780	824	10c546472c8671e8bcb8322a20132396.exe	92
PID 824 wrote to memory of 4780	824	10c546472c8671e8bcb8322a20132396.exe	92
PID 824 wrote to memory of 4780	824	10c546472c8671e8bcb8322a20132396.exe	92
PID 824 wrote to memory of 4780	824	10c546472c8671e8bcb8322a20132396.exe	92
PID 824 wrote to memory of 4780	824	10c546472c8671e8bcb8322a20132396.exe	92
PID 4780 wrote to memory of 3688	4780	10c546472c8671e8bcb8322a20132396.exe	96
PID 4780 wrote to memory of 3688	4780	10c546472c8671e8bcb8322a20132396.exe	96
PID 4780 wrote to memory of 3688	4780	10c546472c8671e8bcb8322a20132396.exe	96
PID 3688 wrote to memory of 3796	3688	vlcproc.exe	99
PID 3688 wrote to memory of 3796	3688	vlcproc.exe	99
PID 3688 wrote to memory of 3796	3688	vlcproc.exe	99
PID 3688 wrote to memory of 3796	3688	vlcproc.exe	99
PID 3688 wrote to memory of 3796	3688	vlcproc.exe	99
PID 3688 wrote to memory of 3796	3688	vlcproc.exe	99
PID 3688 wrote to memory of 3796	3688	vlcproc.exe	99
PID 3688 wrote to memory of 3796	3688	vlcproc.exe	99
PID 3796 wrote to memory of 548	3796	vlcproc.exe	100
PID 3796 wrote to memory of 548	3796	vlcproc.exe	100
PID 3796 wrote to memory of 548	3796	vlcproc.exe	100
PID 3796 wrote to memory of 548	3796	vlcproc.exe	100
PID 3796 wrote to memory of 548	3796	vlcproc.exe	100
PID 3796 wrote to memory of 548	3796	vlcproc.exe	100
PID 3796 wrote to memory of 548	3796	vlcproc.exe	100
PID 3796 wrote to memory of 548	3796	vlcproc.exe	100

C:\Users\Admin\AppData\Local\Temp\10c546472c8671e8bcb8322a20132396.exe
"C:\Users\Admin\AppData\Local\Temp\10c546472c8671e8bcb8322a20132396.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Users\Admin\AppData\Local\Temp\10c546472c8671e8bcb8322a20132396.exe
  C:\Users\Admin\AppData\Local\Temp\10c546472c8671e8bcb8322a20132396.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:824
- - C:\Users\Admin\AppData\Local\Temp\10c546472c8671e8bcb8322a20132396.exe
    3⤵
    - Modifies firewall policy service
    - Checks computer location settings
    - Adds Run key to start application
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:4780
  - - C:\Users\Public\HEX-5823-6893-6818\vlcproc.exe
      "C:\Users\Public\HEX-5823-6893-6818\vlcproc.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:3688
    - - C:\Users\Public\HEX-5823-6893-6818\vlcproc.exe
        
        C:\Users\Public\HEX-5823-6893-6818\vlcproc.exe
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of SetWindowsHookEx
        Suspicious use of WriteProcessMemory
        
        PID:3796
      - C:\Users\Public\HEX-5823-6893-6818\vlcproc.exe
        
        6⤵
        Executes dropped EXE
        
        PID:548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Public\HEX-5823-6893-6818\vlcproc.exe

Filesize
142KB

MD5
10c546472c8671e8bcb8322a20132396

SHA1
938624bd24157386e1b1ac57a18208ddbc58906d

SHA256
a313a6134e267c1c3e7c5f9790dcc0fa07ac7105977297051373b70c2de22283

SHA512
f67390449a01158327297342fb1bb2cd27c4f520dac6100adbb492f2e1bd94ade9dcbbe49767ba8c0f7d53b2f20efea5f7f05bcd58bc503752ba3fc7a57bdda5

Download Submit
memory/548-94-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/548-98-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/548-96-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/824-9-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/824-7-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/824-17-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/824-15-0x0000000000420000-0x00000000004E9000-memory.dmp

Filesize
804KB

Download
memory/824-3-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1684-4-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1684-10-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1684-0-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/3688-86-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/3796-85-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3796-87-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3796-95-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4780-18-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4780-16-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4780-13-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads