acf1dcddc30b4aed73f9216539bb1974f7e9b8c25857184afc74764da1b64cc7

Analysis

max time kernel
593s
max time network
603s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
03/05/2024, 16:58

Target
acf1dcddc30b4aed73f9216539bb1974f7e9b8c25857184afc74764da1b64cc7.dll
Size 446KB
Sample240503-vg2ckabd8s
SHA256 acf1dcddc30b4aed73f9216539bb1974f7e9b8c25857184afc74764da1b64cc7
MD5 ea5a4c15ba2b29c65462cb24e0025644
SHA1 22c9dd7a1f679a1fa24518da4c36f908071e2597
SHA512 35d4ab13a3026ca3d435eddf6089229180fbba3bcb5c619b2a7dda82a411573acea23488910e3e648dae9a99f7966094600ef69fa7ba19b4a680deb31c1de4e6
SSDEEP 12288:dtcLP7XVZpyrO+2ufEFoOrm0u9F+dAHQ8KsRh:dtcD7rpyrO+Beta+dAwbG
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

Blocklisted process makes network request 2 IoCs

flow	pid	Process
8	336	rundll32.exe
20	336	rundll32.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
6	api.ipify.org
8	api.ipify.org

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 336	1948	rundll32.exe	90
PID 1948 wrote to memory of 336	1948	rundll32.exe	90
PID 1948 wrote to memory of 336	1948	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\acf1dcddc30b4aed73f9216539bb1974f7e9b8c25857184afc74764da1b64cc7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\acf1dcddc30b4aed73f9216539bb1974f7e9b8c25857184afc74764da1b64cc7.dll,#1
  2⤵
  - Blocklisted process makes network request
  PID:336

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 --mojo-platform-channel-handle=2268 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:3300

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 --mojo-platform-channel-handle=3916 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:1964