bbe77eb3a05d29b10ad21cf884c06a8429e0549625a093f22cbfb5ca58303b48

Analysis

max time kernel
138s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 21:42

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General

Target

asf.exe
Size

13KB
MD5

a9ece0c59f3cd12697c93bb06923fd5a
SHA1

d32f8a0144a5ce24fab90460d40e67916eab21e5
SHA256

2045c1489cfc83a34f44f82f636cbd5e5970be5db021a1546d059d869d3678a0
SHA512

798dcd7ab83a937dd77d9bef08ba024593afb3d6d2d430704d6b72e0a7d353aba567d4cff408c3427c08d261dd414578b921526cbe9d77bea30221ca324caefa
SSDEEP

192:L2M9dBH9j/sAac1tHQen27LDxdjB7ylRr9ZCspE+TMwrRmK+vhOr6h:3zac1twr7HxdleM4mN

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral4/memory/808-0-0x0000000000400000-0x0000000000408000-memory.dmp	upx
behavioral4/memory/808-2-0x0000000000400000-0x0000000000408000-memory.dmp	upx

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 1 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	asf.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
808	asf.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 1312	808	asf.exe	92
PID 808 wrote to memory of 1312	808	asf.exe	92

C:\Users\Admin\AppData\Local\Temp\asf.exe
"C:\Users\Admin\AppData\Local\Temp\asf.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:808
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://ads.alpha00001.com/cgi-bin/advert/getads?did=1075
  2⤵
  PID:1312

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=16 --field-trial-handle=4084,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4004 /prefetch:1
1⤵
PID:3832

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=15 --field-trial-handle=4960,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=5216 /prefetch:1
1⤵
PID:2024

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --field-trial-handle=5396,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=5416 /prefetch:1
1⤵
PID:1780

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 --field-trial-handle=5556,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=5572 /prefetch:8
1⤵
PID:1628

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --onnx-enabled-for-ee --field-trial-handle=5580,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=5636 /prefetch:8
1⤵
PID:3800

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=20 --field-trial-handle=6064,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=6084 /prefetch:1
1⤵
PID:2428

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --field-trial-handle=6292,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=5300 /prefetch:1
1⤵
PID:376

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=22 --field-trial-handle=6348,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=6184 /prefetch:1
1⤵
PID:2684

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=23 --field-trial-handle=6588,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=6596 /prefetch:1
1⤵
PID:3468

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=24 --field-trial-handle=5780,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=5768 /prefetch:1
1⤵
PID:1904

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --field-trial-handle=6620,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=6640 /prefetch:8
1⤵
PID:3764

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=26 --field-trial-handle=6340,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=6688 /prefetch:1
1⤵
PID:2156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

memory/808-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/808-2-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download