ce63ae9069832ff3b0f2eb76b384c40cd8b70987280d4cc07559493a2b5c04ff

Analysis

max time kernel
139s
max time network
148s
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, 06:10

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General

Target

4bb452a3de5825053bceee8fd5ee6db144ef8c4615a71a8408ee7de4df789fa3.exe
Size

579KB
MD5

f26ad40d3a15fc5453456dc9047cabe6
SHA1

0322588ead1761f11715a5723f15f391e9211617
SHA256

4bb452a3de5825053bceee8fd5ee6db144ef8c4615a71a8408ee7de4df789fa3
SHA512

438349889e6d27fd88e9c62d015b74e55dcd78d1d720c1b9b8e3e18c45a19bbe338ea9da58ca729221facaca22cdf54c808a127524aa73bb445145f7bba72333
SSDEEP

12288:YbD5arFJwK6hMJ6ZzHFZfc28beMGTfZuqb7q:rBJwdhMJ6ZzHrfcsMGTfZ5Pq

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-1-5-21-3342763580-2723508992-2885672917-1000\Control Panel\International\Geo\Nation	4bb452a3de5825053bceee8fd5ee6db144ef8c4615a71a8408ee7de4df789fa3.exe

Executes dropped EXE 1 IoCs

pid	Process
4076	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-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Webdevelop = "C:\\Users\\Admin\\AppData\\Roaming\\Webdevelop\\Webfrequency.exe"	4bb452a3de5825053bceee8fd5ee6db144ef8c4615a71a8408ee7de4df789fa3.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	4bb452a3de5825053bceee8fd5ee6db144ef8c4615a71a8408ee7de4df789fa3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Webfrequency.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 4076	1348	4bb452a3de5825053bceee8fd5ee6db144ef8c4615a71a8408ee7de4df789fa3.exe	99
PID 1348 wrote to memory of 4076	1348	4bb452a3de5825053bceee8fd5ee6db144ef8c4615a71a8408ee7de4df789fa3.exe	99
PID 1348 wrote to memory of 4076	1348	4bb452a3de5825053bceee8fd5ee6db144ef8c4615a71a8408ee7de4df789fa3.exe	99
PID 4076 wrote to memory of 4288	4076	Webfrequency.exe	104
PID 4076 wrote to memory of 4288	4076	Webfrequency.exe	104
PID 4076 wrote to memory of 4288	4076	Webfrequency.exe	104

C:\Users\Admin\AppData\Local\Temp\4bb452a3de5825053bceee8fd5ee6db144ef8c4615a71a8408ee7de4df789fa3.exe
"C:\Users\Admin\AppData\Local\Temp\4bb452a3de5825053bceee8fd5ee6db144ef8c4615a71a8408ee7de4df789fa3.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1348
- 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:4076
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:4288

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
1dd0b3f102c6109ead2eb64d37d86f2f

SHA1
77ac0c672cd8b5472bd50b7091ec0920347d592d

SHA256
f5ec76337fe8f1583399829b93250d89bbcd8ccd5638181b0bff7a7272a2d748

SHA512
52d791c27525e17537cb58113b16d4e558a7c2c6cd54c9e9a600dbeb52ca643d965fb207b4cfaac57e08b8de086752ebd2ac90fb61736ddabc07dd82618b548f

Download Submit
memory/1348-8-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/1348-0-0x0000000074AFE000-0x0000000074AFF000-memory.dmp

Filesize
4KB

Download
memory/1348-3-0x0000000005A20000-0x0000000005AB2000-memory.dmp

Filesize
584KB

Download
memory/1348-4-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/1348-5-0x00000000059D0000-0x00000000059DA000-memory.dmp

Filesize
40KB

Download
memory/1348-6-0x00000000059C0000-0x00000000059CA000-memory.dmp

Filesize
40KB

Download
memory/1348-2-0x0000000005F30000-0x00000000064D4000-memory.dmp

Filesize
5.6MB

Download
memory/1348-1-0x0000000000F40000-0x0000000000FD4000-memory.dmp

Filesize
592KB

Download
memory/1348-7-0x0000000074AFE000-0x0000000074AFF000-memory.dmp

Filesize
4KB

Download
memory/1348-23-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/4076-22-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/4076-24-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/4076-25-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/4076-26-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download
memory/4076-28-0x0000000074AF0000-0x00000000752A0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads