2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323

Analysis

max time kernel
180s
max time network
206s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 05:29

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General

Target

2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe
Size

73KB
MD5

f8b6ce4dc6e3a0a0230c9906cc57cc5f
SHA1

071e5e9063b5dff5433677c46c794626fe6fbcc2
SHA256

2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323
SHA512

4f7e16cd1d487eedb40fc5b4e9b9b358bb6d52fa830d75616e6ba3a0a77642a8b6634d74ecdfba918d7af044ac6279e9709ab6d6d4136a501698db5347c84047
SSDEEP

1536:XZqCO2BfXgTjwwy4rsp8JzEi5o0FfmGsG7rW/raJ90Qg8bd:XU2NgVnEQomlrW/cPgcd

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 15 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\UpdateSvchost = "C:\\Users\\Admin\\AppData\\Roaming\\nightupdate\\svchost.exe:*:Enabled:svchost"	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\	svchost.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\UpdateSvchost = "C:\\Users\\Admin\\AppData\\Roaming\\nightupdate\\svchost.exe:*:Enabled:svchost"	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\	svchost.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\UpdateSvchost = "C:\\Users\\Admin\\AppData\\Roaming\\nightupdate\\svchost.exe:*:Enabled:svchost"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\UpdateSvchost = "C:\\Users\\Admin\\AppData\\Roaming\\nightupdate\\svchost.exe:*:Enabled:svchost"	svchost.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet002\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	svchost.exe

Executes dropped EXE 2 IoCs

pid	Process
3080	svchost.exe
3948	svchost.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UpdateSvchost = "C:\\Users\\Admin\\AppData\\Roaming\\nightupdate\\svchost.exe"	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe
Key created	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Software\Microsoft\Windows\CurrentVersion\Run\	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UpdateSvchost = "C:\\Users\\Admin\\AppData\\Roaming\\nightupdate\\svchost.exe"	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4596 set thread context of 2528	4596	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe	81
PID 3080 set thread context of 3948	3080	svchost.exe	85

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 2528	4596	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe	81
PID 4596 wrote to memory of 2528	4596	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe	81
PID 4596 wrote to memory of 2528	4596	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe	81
PID 4596 wrote to memory of 2528	4596	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe	81
PID 4596 wrote to memory of 2528	4596	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe	81
PID 4596 wrote to memory of 2528	4596	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe	81
PID 4596 wrote to memory of 2528	4596	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe	81
PID 4596 wrote to memory of 2528	4596	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe	81
PID 4596 wrote to memory of 2528	4596	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe	81
PID 4596 wrote to memory of 2528	4596	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe	81
PID 4596 wrote to memory of 2528	4596	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe	81
PID 4596 wrote to memory of 2528	4596	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe	81
PID 4596 wrote to memory of 2528	4596	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe	81
PID 2528 wrote to memory of 3080	2528	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe	84
PID 2528 wrote to memory of 3080	2528	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe	84
PID 2528 wrote to memory of 3080	2528	2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe	84
PID 3080 wrote to memory of 3948	3080	svchost.exe	85
PID 3080 wrote to memory of 3948	3080	svchost.exe	85
PID 3080 wrote to memory of 3948	3080	svchost.exe	85
PID 3080 wrote to memory of 3948	3080	svchost.exe	85
PID 3080 wrote to memory of 3948	3080	svchost.exe	85
PID 3080 wrote to memory of 3948	3080	svchost.exe	85
PID 3080 wrote to memory of 3948	3080	svchost.exe	85
PID 3080 wrote to memory of 3948	3080	svchost.exe	85
PID 3080 wrote to memory of 3948	3080	svchost.exe	85
PID 3080 wrote to memory of 3948	3080	svchost.exe	85
PID 3080 wrote to memory of 3948	3080	svchost.exe	85
PID 3080 wrote to memory of 3948	3080	svchost.exe	85
PID 3080 wrote to memory of 3948	3080	svchost.exe	85

C:\Users\Admin\AppData\Local\Temp\2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe
"C:\Users\Admin\AppData\Local\Temp\2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4596
- C:\Users\Admin\AppData\Local\Temp\2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe
  C:\Users\Admin\AppData\Local\Temp\2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323.exe
  2⤵
  - Modifies firewall policy service
  - Checks computer location settings
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Users\Admin\AppData\Roaming\nightupdate\svchost.exe
    "C:\Users\Admin\AppData\Roaming\nightupdate\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3080
  - - C:\Users\Admin\AppData\Roaming\nightupdate\svchost.exe
      C:\Users\Admin\AppData\Roaming\nightupdate\svchost.exe
      4⤵
      Modifies firewall policy service
      Executes dropped EXE
      Adds Run key to start application
      PID:3948

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

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\Admin\AppData\Roaming\nightupdate\svchost.exe

Filesize
73KB

MD5
f8b6ce4dc6e3a0a0230c9906cc57cc5f

SHA1
071e5e9063b5dff5433677c46c794626fe6fbcc2

SHA256
2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323

SHA512
4f7e16cd1d487eedb40fc5b4e9b9b358bb6d52fa830d75616e6ba3a0a77642a8b6634d74ecdfba918d7af044ac6279e9709ab6d6d4136a501698db5347c84047

Download Submit
C:\Users\Admin\AppData\Roaming\nightupdate\svchost.exe

Filesize
73KB

MD5
f8b6ce4dc6e3a0a0230c9906cc57cc5f

SHA1
071e5e9063b5dff5433677c46c794626fe6fbcc2

SHA256
2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323

SHA512
4f7e16cd1d487eedb40fc5b4e9b9b358bb6d52fa830d75616e6ba3a0a77642a8b6634d74ecdfba918d7af044ac6279e9709ab6d6d4136a501698db5347c84047

Download Submit
C:\Users\Admin\AppData\Roaming\nightupdate\svchost.exe

Filesize
73KB

MD5
f8b6ce4dc6e3a0a0230c9906cc57cc5f

SHA1
071e5e9063b5dff5433677c46c794626fe6fbcc2

SHA256
2817d65c0ab640b500137372966ed9dcf8506b9a2415742c7c1824d4edb6e323

SHA512
4f7e16cd1d487eedb40fc5b4e9b9b358bb6d52fa830d75616e6ba3a0a77642a8b6634d74ecdfba918d7af044ac6279e9709ab6d6d4136a501698db5347c84047

Download Submit
memory/2528-141-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2528-136-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2528-137-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2528-135-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2528-134-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2528-133-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3948-146-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3948-147-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/3948-148-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads