Analysis
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max time kernel
152s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
12/03/2024, 23:52
Static task
static1
Behavioral task
behavioral1
Sample
af64820040e156fced8d72c0bec2b8e1e01ca2f3e6b7a5e6916af9cd3b8acfe1.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
af64820040e156fced8d72c0bec2b8e1e01ca2f3e6b7a5e6916af9cd3b8acfe1.exe
Resource
win10v2004-20240226-en
General
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Target
af64820040e156fced8d72c0bec2b8e1e01ca2f3e6b7a5e6916af9cd3b8acfe1.exe
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Size
255KB
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MD5
21c3a2ccf9386fa854af05726ee5f310
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SHA1
0b50ad2c4ffb71e434142b5ad1f3f6559aed38a7
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SHA256
af64820040e156fced8d72c0bec2b8e1e01ca2f3e6b7a5e6916af9cd3b8acfe1
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SHA512
8fb4dda5467a69ad5c8622af6f46e8797e2a929bb1521f8e19c4eb5873b75f9bb73ab9c866e1151c0ae07ab8725871ab59a85f04a026bbd8f8fd06f65add1377
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SSDEEP
6144:vRcAyQDK8uMAXoUmgqJ8+wDtmczg2870V:vCAfKMAXygqfw4kg287o
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 3400 af64820040e156fced8d72c0bec2b8e1e01ca2f3e6b7a5e6916af9cd3b8acfe1.exe -
Executes dropped EXE 1 IoCs
pid Process 3400 af64820040e156fced8d72c0bec2b8e1e01ca2f3e6b7a5e6916af9cd3b8acfe1.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 4568 2392 WerFault.exe 94 4860 3400 WerFault.exe 102 -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2392 af64820040e156fced8d72c0bec2b8e1e01ca2f3e6b7a5e6916af9cd3b8acfe1.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 3400 af64820040e156fced8d72c0bec2b8e1e01ca2f3e6b7a5e6916af9cd3b8acfe1.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2392 wrote to memory of 3400 2392 af64820040e156fced8d72c0bec2b8e1e01ca2f3e6b7a5e6916af9cd3b8acfe1.exe 102 PID 2392 wrote to memory of 3400 2392 af64820040e156fced8d72c0bec2b8e1e01ca2f3e6b7a5e6916af9cd3b8acfe1.exe 102 PID 2392 wrote to memory of 3400 2392 af64820040e156fced8d72c0bec2b8e1e01ca2f3e6b7a5e6916af9cd3b8acfe1.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\af64820040e156fced8d72c0bec2b8e1e01ca2f3e6b7a5e6916af9cd3b8acfe1.exe"C:\Users\Admin\AppData\Local\Temp\af64820040e156fced8d72c0bec2b8e1e01ca2f3e6b7a5e6916af9cd3b8acfe1.exe"1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 3842⤵
- Program crash
PID:4568
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C:\Users\Admin\AppData\Local\Temp\af64820040e156fced8d72c0bec2b8e1e01ca2f3e6b7a5e6916af9cd3b8acfe1.exeC:\Users\Admin\AppData\Local\Temp\af64820040e156fced8d72c0bec2b8e1e01ca2f3e6b7a5e6916af9cd3b8acfe1.exe2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:3400 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 3443⤵
- Program crash
PID:4860
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2392 -ip 23921⤵PID:3164
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3400 -ip 34001⤵PID:2680
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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=3760 --field-trial-handle=3016,i,1323102786462900035,7687994236215859601,262144 --variations-seed-version /prefetch:81⤵PID:3816
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\af64820040e156fced8d72c0bec2b8e1e01ca2f3e6b7a5e6916af9cd3b8acfe1.exe
Filesize255KB
MD526b1595b373ee2d60288480b9bfbb90e
SHA12c4f4f989ab005eca9ef354d050b04e6e07594da
SHA25695f03da8b6349b915c5202474af8cfdd49b070ad7aab09d20c17f9a16dc07d82
SHA5126b6cd51d8c42405c7f0cad4214de257403911f9a8a6eee989dd951724a695333710836a99baf909396b7b255b9239d81a50351dc9c02acde58aff37ba059c3d1