1fa7530d96fea5b5ef835a33144726ea2cc3ac31f77a2960a1178921969f2f26

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
16/04/2024, 06:33

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General

Target

Uninstall.exe
Size

47KB
MD5

0154f3e36b5d217ee63714e80154744b
SHA1

1f7928e142c47cc2cf0903e2b1218112297baecd
SHA256

da0ab9bd50f1e497306971630e2b980cd8d4a79959ca203f15e6e588093a9a3d
SHA512

522874f78cf03ea9a8e60ed0e85856dbb508b903ca2afbc830922185fbc64e0527e2f16abf6d7eaa18750af93353772324125e9ee4aabd715eb1b9e9e2f9708c
SSDEEP

768:A/UpAHiGjRQ1kkjH918xnyzOp7OssT1pF/O71mJ/6gd2iZQAm6kRRS+NoJRnek:0UeHiWRgkkjH8nyWmJCgdLeAyNxk

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4940	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
behavioral8/files/0x0008000000023240-4.dat	nsis_installer_1
behavioral8/files/0x0008000000023240-4.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 4940	1312	Uninstall.exe	90
PID 1312 wrote to memory of 4940	1312	Uninstall.exe	90
PID 1312 wrote to memory of 4940	1312	Uninstall.exe	90

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1312
- 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
  PID:4940

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=3720 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
1⤵
PID:1348

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
47KB

MD5
0154f3e36b5d217ee63714e80154744b

SHA1
1f7928e142c47cc2cf0903e2b1218112297baecd

SHA256
da0ab9bd50f1e497306971630e2b980cd8d4a79959ca203f15e6e588093a9a3d

SHA512
522874f78cf03ea9a8e60ed0e85856dbb508b903ca2afbc830922185fbc64e0527e2f16abf6d7eaa18750af93353772324125e9ee4aabd715eb1b9e9e2f9708c

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