a313a6134e267c1c3e7c5f9790dcc0fa07ac7105977297051373b70c2de22283

Analysis

max time kernel
147s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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 2 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
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

Executes dropped EXE 3 IoCs

pid	Process
2848	vlcproc.exe
2624	vlcproc.exe
2840	vlcproc.exe

Loads dropped DLL 2 IoCs

pid	Process
2064	10c546472c8671e8bcb8322a20132396.exe
2064	10c546472c8671e8bcb8322a20132396.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2288-4-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/2288-11-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/2288-23-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/2288-8-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/2288-7-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/2624-65-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/2624-58-0x0000000000400000-0x0000000000418000-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-1-5-21-3601492379-692465709-652514833-1000\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 2540 set thread context of 2288	2540	10c546472c8671e8bcb8322a20132396.exe	28
PID 2288 set thread context of 2064	2288	10c546472c8671e8bcb8322a20132396.exe	29
PID 2848 set thread context of 2624	2848	vlcproc.exe	31
PID 2624 set thread context of 2840	2624	vlcproc.exe	32

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2540	10c546472c8671e8bcb8322a20132396.exe
2288	10c546472c8671e8bcb8322a20132396.exe
2848	vlcproc.exe
2624	vlcproc.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2288	2540	10c546472c8671e8bcb8322a20132396.exe	28
PID 2540 wrote to memory of 2288	2540	10c546472c8671e8bcb8322a20132396.exe	28
PID 2540 wrote to memory of 2288	2540	10c546472c8671e8bcb8322a20132396.exe	28
PID 2540 wrote to memory of 2288	2540	10c546472c8671e8bcb8322a20132396.exe	28
PID 2540 wrote to memory of 2288	2540	10c546472c8671e8bcb8322a20132396.exe	28
PID 2540 wrote to memory of 2288	2540	10c546472c8671e8bcb8322a20132396.exe	28
PID 2540 wrote to memory of 2288	2540	10c546472c8671e8bcb8322a20132396.exe	28
PID 2540 wrote to memory of 2288	2540	10c546472c8671e8bcb8322a20132396.exe	28
PID 2540 wrote to memory of 2288	2540	10c546472c8671e8bcb8322a20132396.exe	28
PID 2288 wrote to memory of 2064	2288	10c546472c8671e8bcb8322a20132396.exe	29
PID 2288 wrote to memory of 2064	2288	10c546472c8671e8bcb8322a20132396.exe	29
PID 2288 wrote to memory of 2064	2288	10c546472c8671e8bcb8322a20132396.exe	29
PID 2288 wrote to memory of 2064	2288	10c546472c8671e8bcb8322a20132396.exe	29
PID 2288 wrote to memory of 2064	2288	10c546472c8671e8bcb8322a20132396.exe	29
PID 2288 wrote to memory of 2064	2288	10c546472c8671e8bcb8322a20132396.exe	29
PID 2288 wrote to memory of 2064	2288	10c546472c8671e8bcb8322a20132396.exe	29
PID 2288 wrote to memory of 2064	2288	10c546472c8671e8bcb8322a20132396.exe	29
PID 2288 wrote to memory of 2064	2288	10c546472c8671e8bcb8322a20132396.exe	29
PID 2064 wrote to memory of 2848	2064	10c546472c8671e8bcb8322a20132396.exe	30
PID 2064 wrote to memory of 2848	2064	10c546472c8671e8bcb8322a20132396.exe	30
PID 2064 wrote to memory of 2848	2064	10c546472c8671e8bcb8322a20132396.exe	30
PID 2064 wrote to memory of 2848	2064	10c546472c8671e8bcb8322a20132396.exe	30
PID 2848 wrote to memory of 2624	2848	vlcproc.exe	31
PID 2848 wrote to memory of 2624	2848	vlcproc.exe	31
PID 2848 wrote to memory of 2624	2848	vlcproc.exe	31
PID 2848 wrote to memory of 2624	2848	vlcproc.exe	31
PID 2848 wrote to memory of 2624	2848	vlcproc.exe	31
PID 2848 wrote to memory of 2624	2848	vlcproc.exe	31
PID 2848 wrote to memory of 2624	2848	vlcproc.exe	31
PID 2848 wrote to memory of 2624	2848	vlcproc.exe	31
PID 2848 wrote to memory of 2624	2848	vlcproc.exe	31
PID 2624 wrote to memory of 2840	2624	vlcproc.exe	32
PID 2624 wrote to memory of 2840	2624	vlcproc.exe	32
PID 2624 wrote to memory of 2840	2624	vlcproc.exe	32
PID 2624 wrote to memory of 2840	2624	vlcproc.exe	32
PID 2624 wrote to memory of 2840	2624	vlcproc.exe	32
PID 2624 wrote to memory of 2840	2624	vlcproc.exe	32
PID 2624 wrote to memory of 2840	2624	vlcproc.exe	32
PID 2624 wrote to memory of 2840	2624	vlcproc.exe	32
PID 2624 wrote to memory of 2840	2624	vlcproc.exe	32

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:2540
- 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:2288
- - C:\Users\Admin\AppData\Local\Temp\10c546472c8671e8bcb8322a20132396.exe
    3⤵
    - Modifies firewall policy service
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:2064
  - - 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:2848
    - - 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:2624
      - C:\Users\Public\HEX-5823-6893-6818\vlcproc.exe
        
        6⤵
        Executes dropped EXE
        
        PID:2840

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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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/2064-14-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2064-12-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2064-39-0x0000000000460000-0x0000000000490000-memory.dmp

Filesize
192KB

Download
memory/2064-16-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2064-22-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2064-26-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2064-36-0x0000000004840000-0x00000000048A5000-memory.dmp

Filesize
404KB

Download
memory/2064-25-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2064-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2064-18-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2288-11-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2288-23-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2288-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2288-7-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2288-4-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2540-0-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2540-6-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2540-3-0x00000000002E0000-0x0000000000345000-memory.dmp

Filesize
404KB

Download
memory/2624-58-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2624-65-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2840-68-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2840-70-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2848-41-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2848-46-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads