e223f60ac7d4de97d15b02c451531144e95b2a2caabf73ef11a05863116eac54

Analysis

max time kernel
140s
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
20/06/2024, 04:14

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General

Target
$0/uninstall.exe
Size 83KB
Sample240620-etscessfmq
SHA256 82a1fe8e22e3e3ccb149d5bdcc8cbfec18d89dd9277b909e725faed309165487
MD5 26d12a09fd0b7b3e32e93355a3a110af
SHA1 1e1e8772d579ae03fd6f35a7b95fe6fd384cf5a1
SHA512 524df1ec0ad2980236601fa1abfd30451f4d3eac681ad50d12ad9b981f5c75ff7b0dab0541ad269edb5e4e653088635acb1522f1c2d8bd0816db0be11901aa56
SSDEEP 1536:WEkjY1zy214Qay0DGkJ7qAELVigJ83ZKRcpw/1q792sX7Ia12/DCJ:9kjAJ4dDGkJ+AI0vcuo1qRka0/s
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3640	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
3640	Au_.exe
3640	Au_.exe

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

System Information Discovery
T1082

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral4/files/0x0007000000023269-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 3640	2112	uninstall.exe	91
PID 2112 wrote to memory of 3640	2112	uninstall.exe	91
PID 2112 wrote to memory of 3640	2112	uninstall.exe	91

C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2112
- 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\$0\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3640

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=1408 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
1⤵
PID:3672

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

InstallOptions.dll

Path C:\Users\Admin\AppData\Local\Temp\nsu1D29.tmp\InstallOptions.dll
Size 13KB
SHA256 551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc
MD5 d765c492c21689e3d9d61634371fd861
SHA1 ac200933671ae52c9d5544d0e2e8e9144d286c83
SHA512 9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f
SSDEEP 192:9B6RvrfvOuJQDghBy/X7QKq3TLGciZJf0EzWzMnz6WoF1dBs:v6RrviWaX7eiZJ7nz6bB
MD5 SHA1 SHA512 SSDEEP

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System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsu1D29.tmp\System.dll
Size 10KB
SHA256 802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd
MD5 fe24766ba314f620d57d0cf7339103c0
SHA1 8641545f03f03ff07485d6ec4d7b41cbb898c269
SHA512 60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3
SSDEEP 192:rO6dJA/ruAFEiUdWWE6hE5RYUdJfbub1aMBgMO:yKAFERdlxhGRYUzqZaMB
MD5 SHA1 SHA512 SSDEEP

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ioSpecial.ini

Path C:\Users\Admin\AppData\Local\Temp\nsu1D29.tmp\ioSpecial.ini
Size 619B
SHA256 34e0300dc7c8fb6c2e9dd5b26b5c6ee44d742890cd6c5fed651b4f9c0d72172b
MD5 57e3fc8c783ec6736105fbd36bc2b692
SHA1 7fa753e57121a6b9810c904444e212a25c4cb3b5
SHA512 7f2c0f49d7a462a19f87dba51299c7d78b0be60a35d7a0c0b4e8eb78bcc8912b4e05bb0fc0ae55e5d6856bcac3a5f198b7d54cc33e541834126491235a00cfb7
MD5 SHA1 SHA512

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Au_.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 83KB
SHA256 82a1fe8e22e3e3ccb149d5bdcc8cbfec18d89dd9277b909e725faed309165487
MD5 26d12a09fd0b7b3e32e93355a3a110af
SHA1 1e1e8772d579ae03fd6f35a7b95fe6fd384cf5a1
SHA512 524df1ec0ad2980236601fa1abfd30451f4d3eac681ad50d12ad9b981f5c75ff7b0dab0541ad269edb5e4e653088635acb1522f1c2d8bd0816db0be11901aa56
SSDEEP 1536:WEkjY1zy214Qay0DGkJ7qAELVigJ83ZKRcpw/1q792sX7Ia12/DCJ:9kjAJ4dDGkJ+AI0vcuo1qRka0/s
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads