5307ce2390d7c4bfba56c3f519dfcf29d7a5e1752150847c43b6d94d5a9e0ffb

Analysis

max time kernel
142s
max time network
142s
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, 06:14

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General

Target

91570920daa6ee3c5d03da7664cb620ac5be5038ac64a295811ed8349b5d3dcf.exe
Size

579KB
MD5

38f3e0dd8421dbfd12de577c02ae99f3
SHA1

5b35e3629e60e952e9ec4910a9ced8bf24d3f06e
SHA256

91570920daa6ee3c5d03da7664cb620ac5be5038ac64a295811ed8349b5d3dcf
SHA512

efc2829b526f19600a3153297ef204b2820ba3117391a8b33760f39e180c5782b94c6b2dfbb16a9ca0416cb9b91302176f0f0c6f5f184be9584308f62c54dfd8
SSDEEP

12288:YbD5arFJwK6hMJ6ZzHFZfc28beMGTfZuqb7M:rBJwdhMJ6ZzHrfcsMGTfZ5PM

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-1-5-21-308834014-1004923324-1191300197-1000\Control Panel\International\Geo\Nation	91570920daa6ee3c5d03da7664cb620ac5be5038ac64a295811ed8349b5d3dcf.exe

Executes dropped EXE 1 IoCs

pid	Process
4092	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-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webdevelop = "C:\\Users\\Admin\\AppData\\Roaming\\Webdevelop\\Webfrequency.exe"	91570920daa6ee3c5d03da7664cb620ac5be5038ac64a295811ed8349b5d3dcf.exe

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 2 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	91570920daa6ee3c5d03da7664cb620ac5be5038ac64a295811ed8349b5d3dcf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Webfrequency.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4576 wrote to memory of 4092	4576	91570920daa6ee3c5d03da7664cb620ac5be5038ac64a295811ed8349b5d3dcf.exe	106
PID 4576 wrote to memory of 4092	4576	91570920daa6ee3c5d03da7664cb620ac5be5038ac64a295811ed8349b5d3dcf.exe	106
PID 4576 wrote to memory of 4092	4576	91570920daa6ee3c5d03da7664cb620ac5be5038ac64a295811ed8349b5d3dcf.exe	106
PID 4092 wrote to memory of 2712	4092	Webfrequency.exe	108
PID 4092 wrote to memory of 2712	4092	Webfrequency.exe	108
PID 4092 wrote to memory of 2712	4092	Webfrequency.exe	108

C:\Users\Admin\AppData\Local\Temp\91570920daa6ee3c5d03da7664cb620ac5be5038ac64a295811ed8349b5d3dcf.exe
"C:\Users\Admin\AppData\Local\Temp\91570920daa6ee3c5d03da7664cb620ac5be5038ac64a295811ed8349b5d3dcf.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4576
- C:\Users\Admin\AppData\Roaming\Webdevelop\Webfrequency.exe
  "C:\Users\Admin\AppData\Roaming\Webdevelop\Webfrequency.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4092
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:2712

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

C:\Users\Admin\AppData\Roaming\Webdevelop\Webfrequency.exe

Filesize
579KB

MD5
d361ef6630db9c342edd84ff32656cf9

SHA1
9210779bcc5322014b9e34367f839d1ec7154b8c

SHA256
d4ef145873a88384fc80e5f7b2b38febaccd35e2ddd9f8c7771aa3d2501de932

SHA512
f58407b8f507195709c02564cad8e0c726b6e0c43b1bff44ba93e84071d4852d9bc017c3bb9d82ef953623f13b0bfe39dff70fa9cf9c3ac9983ae42d5fb95bef

Download Submit
memory/4092-28-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4092-26-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4092-25-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4092-24-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4092-23-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4576-4-0x0000000005B80000-0x0000000005B8A000-memory.dmp

Filesize
40KB

Download
memory/4576-7-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

Filesize
4KB

Download
memory/4576-8-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4576-6-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4576-22-0x0000000074F80000-0x0000000075730000-memory.dmp

Filesize
7.7MB

Download
memory/4576-5-0x0000000005B70000-0x0000000005B7A000-memory.dmp

Filesize
40KB

Download
memory/4576-0-0x0000000074F8E000-0x0000000074F8F000-memory.dmp

Filesize
4KB

Download
memory/4576-3-0x00000000059C0000-0x0000000005A52000-memory.dmp

Filesize
584KB

Download
memory/4576-2-0x0000000005F70000-0x0000000006514000-memory.dmp

Filesize
5.6MB

Download
memory/4576-1-0x0000000000F50000-0x0000000000FE4000-memory.dmp

Filesize
592KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads