e9e6a5e4d64f01b158801bbaead6aedfeeb8cd754e734d1471f591ca3e2c08f8

Analysis

max time kernel
140s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:17

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General

Target
d986bd823023960d3592fbd96b01a297d157c818c3eb3c141794f694fa97262e.exe
Size 580KB
Sample250322-g17rssy1ev
SHA256 d986bd823023960d3592fbd96b01a297d157c818c3eb3c141794f694fa97262e
MD5 335f23b40840863a84a2014abd32f4b6
SHA1 d8a317aafe892dc2aecb85e7580ff2d22e9087d6
SHA512 93bb49a655459fc9af26e0637f73edf96caae76207e3af7f08899111b345e02a685e73613b3382e25b970e3b3d31b5f697f7007c1d199d7956a3f1a14f47b8f7
SSDEEP 12288:YbD5arFJwK6hMJ6ZzHFZfc28beMGTfZuqb7AY:rBJwdhMJ6ZzHrfcsMGTfZ5PAY
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery persistence

Malware Config

Signatures

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-1-5-21-805952410-2104024357-1716932545-1000\Control Panel\International\Geo\Nation	d986bd823023960d3592fbd96b01a297d157c818c3eb3c141794f694fa97262e.exe

Executes dropped EXE 1 IoCs

pid	Process
1004	Webfrequency.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\USER\S-1-5-21-805952410-2104024357-1716932545-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webdevelop = "C:\\Users\\Admin\\AppData\\Roaming\\Webdevelop\\Webfrequency.exe"	d986bd823023960d3592fbd96b01a297d157c818c3eb3c141794f694fa97262e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1004 set thread context of 3216	1004	Webfrequency.exe	108

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	d986bd823023960d3592fbd96b01a297d157c818c3eb3c141794f694fa97262e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Webfrequency.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 1004	4796	d986bd823023960d3592fbd96b01a297d157c818c3eb3c141794f694fa97262e.exe	106
PID 4796 wrote to memory of 1004	4796	d986bd823023960d3592fbd96b01a297d157c818c3eb3c141794f694fa97262e.exe	106
PID 4796 wrote to memory of 1004	4796	d986bd823023960d3592fbd96b01a297d157c818c3eb3c141794f694fa97262e.exe	106
PID 1004 wrote to memory of 3216	1004	Webfrequency.exe	108
PID 1004 wrote to memory of 3216	1004	Webfrequency.exe	108
PID 1004 wrote to memory of 3216	1004	Webfrequency.exe	108
PID 1004 wrote to memory of 3216	1004	Webfrequency.exe	108
PID 1004 wrote to memory of 3216	1004	Webfrequency.exe	108
PID 1004 wrote to memory of 3216	1004	Webfrequency.exe	108
PID 1004 wrote to memory of 3216	1004	Webfrequency.exe	108
PID 1004 wrote to memory of 3216	1004	Webfrequency.exe	108

C:\Users\Admin\AppData\Local\Temp\d986bd823023960d3592fbd96b01a297d157c818c3eb3c141794f694fa97262e.exe
"C:\Users\Admin\AppData\Local\Temp\d986bd823023960d3592fbd96b01a297d157c818c3eb3c141794f694fa97262e.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4796
- C:\Users\Admin\AppData\Roaming\Webdevelop\Webfrequency.exe
  "C:\Users\Admin\AppData\Roaming\Webdevelop\Webfrequency.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1004
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3216

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:1620

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

Webfrequency.exe

Path C:\Users\Admin\AppData\Roaming\Webdevelop\Webfrequency.exe
Size 580KB
SHA256 041265cc9d1eeaedb6a00864657611e3e6291051ea5d296f761f505dc71afbd3
MD5 ebb1ddb389ce89cd35c4949d93070dfa
SHA1 6146c8d755a5d80ce3a3eac2a2d63373e77938d3
SHA512 2e79e61879140f23144068c88c16a1adb0715337e07fb7d370cad24759d749dfca92a1bc56a8c3155a90c072ab8e4c39c51cce765f5612d814ff6c4163dac553
SSDEEP 12288:YbD5arFJwK6hMJ6ZzHFZfc28beMGTfZuqb7AQ:rBJwdhMJ6ZzHrfcsMGTfZ5PAQ
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1004-39-0x0000000074B10000-0x00000000752C0000-memory.dmp

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memory/1004-26-0x0000000074B10000-0x00000000752C0000-memory.dmp

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memory/1004-25-0x0000000074B10000-0x00000000752C0000-memory.dmp

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memory/1004-24-0x0000000074B10000-0x00000000752C0000-memory.dmp

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memory/1004-22-0x0000000074B10000-0x00000000752C0000-memory.dmp

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memory/3216-31-0x0000000005310000-0x00000000053BE000-memory.dmp

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memory/3216-34-0x0000000007440000-0x00000000074A6000-memory.dmp

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memory/3216-43-0x0000000074B10000-0x00000000752C0000-memory.dmp

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memory/3216-36-0x0000000007A80000-0x0000000007A96000-memory.dmp

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memory/3216-35-0x00000000074D0000-0x00000000074E8000-memory.dmp

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memory/3216-33-0x00000000067D0000-0x000000000686C000-memory.dmp

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memory/3216-32-0x0000000008740000-0x0000000008768000-memory.dmp

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memory/3216-30-0x0000000074B10000-0x00000000752C0000-memory.dmp

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memory/3216-28-0x00000000050F0000-0x0000000005100000-memory.dmp

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memory/3216-27-0x0000000000400000-0x0000000000456000-memory.dmp

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memory/3216-29-0x0000000074B10000-0x00000000752C0000-memory.dmp

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memory/4796-2-0x0000000005A60000-0x0000000006004000-memory.dmp

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memory/4796-0-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

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memory/4796-3-0x00000000054B0000-0x0000000005542000-memory.dmp

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memory/4796-4-0x0000000005470000-0x000000000547A000-memory.dmp

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memory/4796-23-0x0000000074B10000-0x00000000752C0000-memory.dmp

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memory/4796-7-0x0000000074B1E000-0x0000000074B1F000-memory.dmp

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memory/4796-5-0x0000000074B10000-0x00000000752C0000-memory.dmp

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memory/4796-6-0x0000000005460000-0x000000000546A000-memory.dmp

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memory/4796-1-0x00000000009E0000-0x0000000000A74000-memory.dmp

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memory/4796-8-0x0000000074B10000-0x00000000752C0000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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