5b1a883fc342ab1654912c119190f04771ae47477f1a006b932150129675134c

Analysis

max time kernel
139s
max time network
146s
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, 06:09

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General

Target

3941105d7c81e962f92d2023da9ec9e6.exe
Size

580KB
MD5

3941105d7c81e962f92d2023da9ec9e6
SHA1

4046440a3417519401e23a0997d4c4a6d74a047b
SHA256

45f343e693bd7d3e4292206cd974ab4d06a353ffaf590afec19b1c01a2554802
SHA512

287e611104381367a7a4212ece8da1a6f3c68c86506b43d6721ab590ea89d42846cf77b58669fabdb69510f9b56a2d64c99378a4684ff1f379a529010e04dcdb
SSDEEP

12288:YbD5arFJwK6hMJ6ZzHFZfc28beMGTfZuqb7o:rBJwdhMJ6ZzHrfcsMGTfZ5Po

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-1-5-21-1062200478-553497403-3857448183-1000\Control Panel\International\Geo\Nation	3941105d7c81e962f92d2023da9ec9e6.exe

Executes dropped EXE 1 IoCs

pid	Process
3864	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-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webdevelop = "C:\\Users\\Admin\\AppData\\Roaming\\Webdevelop\\Webfrequency.exe"	3941105d7c81e962f92d2023da9ec9e6.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	3941105d7c81e962f92d2023da9ec9e6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Webfrequency.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3748 wrote to memory of 3864	3748	3941105d7c81e962f92d2023da9ec9e6.exe	104
PID 3748 wrote to memory of 3864	3748	3941105d7c81e962f92d2023da9ec9e6.exe	104
PID 3748 wrote to memory of 3864	3748	3941105d7c81e962f92d2023da9ec9e6.exe	104
PID 3864 wrote to memory of 4944	3864	Webfrequency.exe	106
PID 3864 wrote to memory of 4944	3864	Webfrequency.exe	106
PID 3864 wrote to memory of 4944	3864	Webfrequency.exe	106

C:\Users\Admin\AppData\Local\Temp\3941105d7c81e962f92d2023da9ec9e6.exe
"C:\Users\Admin\AppData\Local\Temp\3941105d7c81e962f92d2023da9ec9e6.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3748
- 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:3864
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:4944

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
580KB

MD5
902b2274fc4370b56fa7abb2e3851c43

SHA1
986a5c11d01232baae7a0b221d0a5a15017e9a37

SHA256
323edb4af11e9ccb28d53df363ef46db4cde1067b0c4c97da992747ff9d0392d

SHA512
f2b66051894d24ac902395e327c911a3aa9d10f48171905fa81b6449064e0a139838aa704d4a36b54d28609a857340aae8ec9c76d23276438144a3a6defb8b02

Download Submit
memory/3748-8-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/3748-23-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/3748-2-0x0000000005650000-0x0000000005BF4000-memory.dmp

Filesize
5.6MB

Download
memory/3748-4-0x0000000005250000-0x000000000525A000-memory.dmp

Filesize
40KB

Download
memory/3748-6-0x0000000005240000-0x000000000524A000-memory.dmp

Filesize
40KB

Download
memory/3748-5-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/3748-3-0x0000000005190000-0x0000000005222000-memory.dmp

Filesize
584KB

Download
memory/3748-1-0x0000000000860000-0x00000000008F4000-memory.dmp

Filesize
592KB

Download
memory/3748-7-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

Filesize
4KB

Download
memory/3748-0-0x0000000074F6E000-0x0000000074F6F000-memory.dmp

Filesize
4KB

Download
memory/3864-22-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/3864-24-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/3864-25-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/3864-26-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download
memory/3864-28-0x0000000074F60000-0x0000000075710000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads