f020f1e1380c95c141db08ca8f636ef60734b22242cbfbe55d77e32e6a6a6ecd

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 01:38

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General

Target

9a704018edf1e84427fbce1d4e3bafc9.exe
Size

68KB
MD5

9a704018edf1e84427fbce1d4e3bafc9
SHA1

5d436c01639c95b3db0520416b902e849d7805c4
SHA256

f020f1e1380c95c141db08ca8f636ef60734b22242cbfbe55d77e32e6a6a6ecd
SHA512

7531236d79b62e5e2cb5c0710c270a3c10ef9b1d1cbee7f0b8d0f871df81daa1800020205645d612478aef089ce92400815c76939d64463d10c115bf8a4cc9ae
SSDEEP

1536:UOEVqZF3uikZBYHO9xEUHDIIRkYq6R/d3H8ZV:UfAFe3zYHO9xzHDIIx1R/d8

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 8 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	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Windows\winudpmgr.exe = "C:\\Windows\\winudpmgr.exe:*:Enabled:Windows Messenger"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	reg.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DoNotAllowExceptions = "0"	reg.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	reg.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\9a704018edf1e84427fbce1d4e3bafc9.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\9a704018edf1e84427fbce1d4e3bafc9.exe:*:Enabled:Windows Messenger"	reg.exe

Executes dropped EXE 2 IoCs

pid	Process
1932	winudpmgr.exe
2832	winudpmgr.exe

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows UDP Control Center = "winudpmgr.exe"	9a704018edf1e84427fbce1d4e3bafc9.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	winudpmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	winudpmgr.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2252 set thread context of 2700	2252	9a704018edf1e84427fbce1d4e3bafc9.exe	32
PID 1932 set thread context of 2832	1932	winudpmgr.exe	38

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\winudpmgr.exe	9a704018edf1e84427fbce1d4e3bafc9.exe
File opened for modification	C:\Windows\winudpmgr.exe	9a704018edf1e84427fbce1d4e3bafc9.exe
File opened for modification	C:\Windows\winudpmgr.exe	winudpmgr.exe

Modifies registry key 1 TTPs 4 IoCs

Modify Registry

T1112

pid	Process
2680	reg.exe
2284	reg.exe
2640	reg.exe
3036	reg.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2252	9a704018edf1e84427fbce1d4e3bafc9.exe
1932	winudpmgr.exe

Suspicious use of WriteProcessMemory 54 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2412	2252	9a704018edf1e84427fbce1d4e3bafc9.exe	28
PID 2252 wrote to memory of 2412	2252	9a704018edf1e84427fbce1d4e3bafc9.exe	28
PID 2252 wrote to memory of 2412	2252	9a704018edf1e84427fbce1d4e3bafc9.exe	28
PID 2252 wrote to memory of 2412	2252	9a704018edf1e84427fbce1d4e3bafc9.exe	28
PID 2252 wrote to memory of 2464	2252	9a704018edf1e84427fbce1d4e3bafc9.exe	29
PID 2252 wrote to memory of 2464	2252	9a704018edf1e84427fbce1d4e3bafc9.exe	29
PID 2252 wrote to memory of 2464	2252	9a704018edf1e84427fbce1d4e3bafc9.exe	29
PID 2252 wrote to memory of 2464	2252	9a704018edf1e84427fbce1d4e3bafc9.exe	29
PID 2252 wrote to memory of 2700	2252	9a704018edf1e84427fbce1d4e3bafc9.exe	32
PID 2252 wrote to memory of 2700	2252	9a704018edf1e84427fbce1d4e3bafc9.exe	32
PID 2252 wrote to memory of 2700	2252	9a704018edf1e84427fbce1d4e3bafc9.exe	32
PID 2252 wrote to memory of 2700	2252	9a704018edf1e84427fbce1d4e3bafc9.exe	32
PID 2412 wrote to memory of 2284	2412	cmd.exe	34
PID 2412 wrote to memory of 2284	2412	cmd.exe	34
PID 2412 wrote to memory of 2284	2412	cmd.exe	34
PID 2412 wrote to memory of 2284	2412	cmd.exe	34
PID 2464 wrote to memory of 2680	2464	cmd.exe	33
PID 2464 wrote to memory of 2680	2464	cmd.exe	33
PID 2464 wrote to memory of 2680	2464	cmd.exe	33
PID 2464 wrote to memory of 2680	2464	cmd.exe	33
PID 2252 wrote to memory of 2700	2252	9a704018edf1e84427fbce1d4e3bafc9.exe	32
PID 2252 wrote to memory of 2700	2252	9a704018edf1e84427fbce1d4e3bafc9.exe	32
PID 2252 wrote to memory of 2700	2252	9a704018edf1e84427fbce1d4e3bafc9.exe	32
PID 2252 wrote to memory of 2700	2252	9a704018edf1e84427fbce1d4e3bafc9.exe	32
PID 2252 wrote to memory of 2700	2252	9a704018edf1e84427fbce1d4e3bafc9.exe	32
PID 2700 wrote to memory of 1932	2700	9a704018edf1e84427fbce1d4e3bafc9.exe	35
PID 2700 wrote to memory of 1932	2700	9a704018edf1e84427fbce1d4e3bafc9.exe	35
PID 2700 wrote to memory of 1932	2700	9a704018edf1e84427fbce1d4e3bafc9.exe	35
PID 2700 wrote to memory of 1932	2700	9a704018edf1e84427fbce1d4e3bafc9.exe	35
PID 1932 wrote to memory of 1192	1932	winudpmgr.exe	36
PID 1932 wrote to memory of 1192	1932	winudpmgr.exe	36
PID 1932 wrote to memory of 1192	1932	winudpmgr.exe	36
PID 1932 wrote to memory of 1192	1932	winudpmgr.exe	36
PID 1932 wrote to memory of 2708	1932	winudpmgr.exe	37
PID 1932 wrote to memory of 2708	1932	winudpmgr.exe	37
PID 1932 wrote to memory of 2708	1932	winudpmgr.exe	37
PID 1932 wrote to memory of 2708	1932	winudpmgr.exe	37
PID 1932 wrote to memory of 2832	1932	winudpmgr.exe	38
PID 1932 wrote to memory of 2832	1932	winudpmgr.exe	38
PID 1932 wrote to memory of 2832	1932	winudpmgr.exe	38
PID 1932 wrote to memory of 2832	1932	winudpmgr.exe	38
PID 1932 wrote to memory of 2832	1932	winudpmgr.exe	38
PID 1932 wrote to memory of 2832	1932	winudpmgr.exe	38
PID 1932 wrote to memory of 2832	1932	winudpmgr.exe	38
PID 1932 wrote to memory of 2832	1932	winudpmgr.exe	38
PID 1932 wrote to memory of 2832	1932	winudpmgr.exe	38
PID 2708 wrote to memory of 2640	2708	cmd.exe	41
PID 2708 wrote to memory of 2640	2708	cmd.exe	41
PID 2708 wrote to memory of 2640	2708	cmd.exe	41
PID 2708 wrote to memory of 2640	2708	cmd.exe	41
PID 1192 wrote to memory of 3036	1192	cmd.exe	42
PID 1192 wrote to memory of 3036	1192	cmd.exe	42
PID 1192 wrote to memory of 3036	1192	cmd.exe	42
PID 1192 wrote to memory of 3036	1192	cmd.exe	42

C:\Users\Admin\AppData\Local\Temp\9a704018edf1e84427fbce1d4e3bafc9.exe
"C:\Users\Admin\AppData\Local\Temp\9a704018edf1e84427fbce1d4e3bafc9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Windows\SysWOW64\cmd.exe
  cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2412
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
    3⤵
    - Modifies firewall policy service
    - Modifies registry key
    PID:2284
- C:\Windows\SysWOW64\cmd.exe
  cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\9a704018edf1e84427fbce1d4e3bafc9.exe" /t 1 /d "C:\Users\Admin\AppData\Local\Temp\9a704018edf1e84427fbce1d4e3bafc9.exe:*:Enabled:Windows Messenger" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2464
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\9a704018edf1e84427fbce1d4e3bafc9.exe" /t 1 /d "C:\Users\Admin\AppData\Local\Temp\9a704018edf1e84427fbce1d4e3bafc9.exe:*:Enabled:Windows Messenger" /f
    3⤵
    - Modifies firewall policy service
    - Modifies registry key
    PID:2680
- C:\Users\Admin\AppData\Local\Temp\9a704018edf1e84427fbce1d4e3bafc9.exe
  C:\Users\Admin\AppData\Local\Temp\9a704018edf1e84427fbce1d4e3bafc9.exe
  2⤵
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Windows\winudpmgr.exe
    "C:\Windows\winudpmgr.exe"
    3⤵
    - Executes dropped EXE
    - Maps connected drives based on registry
    - Suspicious use of SetThreadContext
    - Drops file in Windows directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1932
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1192
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        5⤵
        Modifies firewall policy service
        Modifies registry key
        
        PID:3036
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\winudpmgr.exe" /t 1 /d "C:\Windows\winudpmgr.exe:*:Enabled:Windows Messenger" /f
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2708
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\winudpmgr.exe" /t 1 /d "C:\Windows\winudpmgr.exe:*:Enabled:Windows Messenger" /f
        5⤵
        Modifies firewall policy service
        Modifies registry key
        
        PID:2640
  - - C:\Windows\winudpmgr.exe
      C:\Windows\winudpmgr.exe
      4⤵
      Executes dropped EXE
      PID:2832

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-928733405-3780110381-2966456290-1000\699c4b9cdebca7aaea5193cae8a50098_3d25fb85-47e3-4ffb-8cc7-d217183fd877

Filesize
50B

MD5
5b63d4dd8c04c88c0e30e494ec6a609a

SHA1
884d5a8bdc25fe794dc22ef9518009dcf0069d09

SHA256
4d93c22555b3169e5c13716ca59b8b22892c69b3025aea841afe5259698102fd

SHA512
15ff8551ac6b9de978050569bcdc26f44dfc06a0eaf445ac70fd45453a21bdafa3e4c8b4857d6a1c3226f4102a639682bdfb71d7b255062fb81a51c9126896cb

Download Submit
C:\Windows\winudpmgr.exe

Filesize
68KB

MD5
9a704018edf1e84427fbce1d4e3bafc9

SHA1
5d436c01639c95b3db0520416b902e849d7805c4

SHA256
f020f1e1380c95c141db08ca8f636ef60734b22242cbfbe55d77e32e6a6a6ecd

SHA512
7531236d79b62e5e2cb5c0710c270a3c10ef9b1d1cbee7f0b8d0f871df81daa1800020205645d612478aef089ce92400815c76939d64463d10c115bf8a4cc9ae

Download Submit
memory/2700-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2700-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2700-3-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2700-13-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2700-15-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2700-16-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2700-7-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2700-9-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2700-44-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2832-43-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2832-46-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2832-48-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2832-51-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2832-54-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2832-57-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads