a79719c562731058f1bd8c29f2329ae14e43ef4ba0786a62b9055eaf1586d068

Analysis

max time kernel
125s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
10/05/2024, 01:17

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General

Target
a79719c562731058f1bd8c29f2329ae14e43ef4ba0786a62b9055eaf1586d068.exe
Size 94KB
Sample240510-bng3qaac4w
SHA256 a79719c562731058f1bd8c29f2329ae14e43ef4ba0786a62b9055eaf1586d068
MD5 cc2e5ccfb3cb1fdab5061eb5edd3a543
SHA1 355a344cc5b724447756c144d859f640cf813bc6
SHA512 1504ee226a3d35dbc277255462603ab8f0808e8ddfe859d4fdbb82be950763489606081fdfb66ea721cee08a1cdd30ef26393fd2c4ad6cfd0aa1a390d12ae3af
SSDEEP 1536:skPjmPwvx3PtLBzGMlGO+eo+zCj4CFgjASG3KazRZICrWaGZh7LLx3:skLmuftLBzfIOz4VSGaqJrWNZ1Lx3
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	a79719c562731058f1bd8c29f2329ae14e43ef4ba0786a62b9055eaf1586d068.exe

Executes dropped EXE 1 IoCs

pid	Process
208	Wwansvc.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\Wwansvc.exe\" /run"	a79719c562731058f1bd8c29f2329ae14e43ef4ba0786a62b9055eaf1586d068.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 212 wrote to memory of 208	212	a79719c562731058f1bd8c29f2329ae14e43ef4ba0786a62b9055eaf1586d068.exe	89
PID 212 wrote to memory of 208	212	a79719c562731058f1bd8c29f2329ae14e43ef4ba0786a62b9055eaf1586d068.exe	89
PID 212 wrote to memory of 208	212	a79719c562731058f1bd8c29f2329ae14e43ef4ba0786a62b9055eaf1586d068.exe	89
PID 212 wrote to memory of 1544	212	a79719c562731058f1bd8c29f2329ae14e43ef4ba0786a62b9055eaf1586d068.exe	98
PID 212 wrote to memory of 1544	212	a79719c562731058f1bd8c29f2329ae14e43ef4ba0786a62b9055eaf1586d068.exe	98
PID 212 wrote to memory of 1544	212	a79719c562731058f1bd8c29f2329ae14e43ef4ba0786a62b9055eaf1586d068.exe	98

C:\Users\Admin\AppData\Local\Temp\a79719c562731058f1bd8c29f2329ae14e43ef4ba0786a62b9055eaf1586d068.exe
"C:\Users\Admin\AppData\Local\Temp\a79719c562731058f1bd8c29f2329ae14e43ef4ba0786a62b9055eaf1586d068.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:212
- C:\ProgramData\Update\Wwansvc.exe
  "C:\ProgramData\Update\Wwansvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:208
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\a79719c562731058f1bd8c29f2329ae14e43ef4ba0786a62b9055eaf1586d068.exe" >> NUL
  2⤵
  PID:1544

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4240,i,13544508926340531097,6671217806016090640,262144 --variations-seed-version --mojo-platform-channel-handle=3984 /prefetch:8
1⤵
PID:3440

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

Wwansvc.exe

Path C:\ProgramData\Update\Wwansvc.exe
Size 94KB
SHA256 7ee24d58c9f6bd9a32217e529168cc14ccbb0a81a09d69ed0745cef0d983985d
MD5 da59b0d8ab3c1f716bb61226a2c3ae55
SHA1 f8d7615c5f4ec92837fb6145a4d72112839f883d
SHA512 6bb0d7758a78ffb24a3510f3ce74a8eed3a3e1c2541b84424e53d62f5c0e713e2f1881c24660b5a884dd2f72ff6949ec14f521592a6654a7b7ccd93209ec4fd8
SSDEEP 1536:skPjmPwvx3PtLBzGMlGO+eo+zCj4CFgjASG3KazRZICrWaGZh7LLxB:skLmuftLBzfIOz4VSGaqJrWNZ1LxB
MD5 SHA1 SHA512 SSDEEP

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads