dbb4b94d0c47becbc462509af38fbc1a38a91809b44d318260e6a3c6e846749f

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
28/06/2024, 02:06

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General

Target

uninst.exe
Size

66KB
MD5

0f41245212d62872820929a2cf5ec2bc
SHA1

5d232092927a7a8ab1f128610af1b3affd916657
SHA256

fb89af8a9da6bb598d80ce0d9f7fd30153481cb61c84544fe091c41aeb5fdb10
SHA512

a79402a289cb5a8cecbcd7ae816d4bbd3bbda373b57a83d621f28b88bdf63a601c45c6ca8b393704637725496b99a71e103b9a282090b6f7f0793035f846dd00
SSDEEP

1536:shq3+uta99Hj25XvwLXJLiFYRN6QcIwpl6Sx:OstajHKBvYXJLYq44Sx

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2948	Au_.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral16/files/0x00070000000235c5-5.dat	nsis_installer_1
behavioral16/files/0x00070000000235c5-5.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3148 wrote to memory of 2948	3148	uninst.exe	90
PID 3148 wrote to memory of 2948	3148	uninst.exe	90
PID 3148 wrote to memory of 2948	3148	uninst.exe	90
PID 2948 wrote to memory of 2692	2948	Au_.exe	105
PID 2948 wrote to memory of 2692	2948	Au_.exe	105

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3148
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2948
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.newasp.net/
    3⤵
    PID:2692

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=3044,i,12594301322143882025,16832588342008839449,262144 --variations-seed-version --mojo-platform-channel-handle=4112 /prefetch:8
1⤵
PID:212

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 --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=16 --field-trial-handle=4840,i,12594301322143882025,16832588342008839449,262144 --variations-seed-version --mojo-platform-channel-handle=4692 /prefetch:1
1⤵
PID:4216

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 --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=15 --field-trial-handle=4012,i,12594301322143882025,16832588342008839449,262144 --variations-seed-version --mojo-platform-channel-handle=5012 /prefetch:1
1⤵
PID:1136

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=5464,i,12594301322143882025,16832588342008839449,262144 --variations-seed-version --mojo-platform-channel-handle=5472 /prefetch:8
1⤵
PID:548

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 --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --field-trial-handle=5692,i,12594301322143882025,16832588342008839449,262144 --variations-seed-version --mojo-platform-channel-handle=5780 /prefetch:1
1⤵
PID:4064

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 --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=19 --field-trial-handle=5688,i,12594301322143882025,16832588342008839449,262144 --variations-seed-version --mojo-platform-channel-handle=5156 /prefetch:1
1⤵
PID:3620

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 --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=20 --field-trial-handle=5784,i,12594301322143882025,16832588342008839449,262144 --variations-seed-version --mojo-platform-channel-handle=5832 /prefetch:1
1⤵
PID:2644

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 --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --field-trial-handle=6104,i,12594301322143882025,16832588342008839449,262144 --variations-seed-version --mojo-platform-channel-handle=5512 /prefetch:1
1⤵
PID:3540

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=5804,i,12594301322143882025,16832588342008839449,262144 --variations-seed-version --mojo-platform-channel-handle=5788 /prefetch:8
1⤵
PID:2584

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=4068,i,12594301322143882025,16832588342008839449,262144 --variations-seed-version --mojo-platform-channel-handle=3796 /prefetch:8
1⤵
PID:540

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 --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=24 --field-trial-handle=5600,i,12594301322143882025,16832588342008839449,262144 --variations-seed-version --mojo-platform-channel-handle=4356 /prefetch:1
1⤵
PID:4696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
66KB

MD5
0f41245212d62872820929a2cf5ec2bc

SHA1
5d232092927a7a8ab1f128610af1b3affd916657

SHA256
fb89af8a9da6bb598d80ce0d9f7fd30153481cb61c84544fe091c41aeb5fdb10

SHA512
a79402a289cb5a8cecbcd7ae816d4bbd3bbda373b57a83d621f28b88bdf63a601c45c6ca8b393704637725496b99a71e103b9a282090b6f7f0793035f846dd00

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