Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
15-03-2024 20:58
Static task
static1
Behavioral task
behavioral1
Sample
745e15f3243ed1524a25db6dc6c17189f6dd5519710c340474cd1951af152e26.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
745e15f3243ed1524a25db6dc6c17189f6dd5519710c340474cd1951af152e26.exe
Resource
win10v2004-20240226-en
General
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Target
745e15f3243ed1524a25db6dc6c17189f6dd5519710c340474cd1951af152e26.exe
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Size
448KB
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MD5
a5ac66bca1940c620aae3c49b0ba1957
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SHA1
d8ba9e3e54393b169936e9582c1ffb3102a40b8a
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SHA256
745e15f3243ed1524a25db6dc6c17189f6dd5519710c340474cd1951af152e26
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SHA512
b5e24634dc9c3aaa5adab66f188a9c44910a80cf6ec99857e956eacc079701f9a36c45d2c456dafd600f285c2df20d0dd9f242a365d2ed442775ccecd5865c01
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SSDEEP
12288:mClkqT0Y/E2i/nCyUNCbhJWhVQ5zCD4TyWN4:mK0Y/ExCyU4zWhVQ5zY4xN4
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 4956 745e15f3243ed1524a25db6dc6c17189f6dd5519710c340474cd1951af152e26.exe -
Executes dropped EXE 1 IoCs
pid Process 4956 745e15f3243ed1524a25db6dc6c17189f6dd5519710c340474cd1951af152e26.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 2804 348 WerFault.exe 95 4496 4956 WerFault.exe 104 -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 348 745e15f3243ed1524a25db6dc6c17189f6dd5519710c340474cd1951af152e26.exe -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 4956 745e15f3243ed1524a25db6dc6c17189f6dd5519710c340474cd1951af152e26.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 348 wrote to memory of 4956 348 745e15f3243ed1524a25db6dc6c17189f6dd5519710c340474cd1951af152e26.exe 104 PID 348 wrote to memory of 4956 348 745e15f3243ed1524a25db6dc6c17189f6dd5519710c340474cd1951af152e26.exe 104 PID 348 wrote to memory of 4956 348 745e15f3243ed1524a25db6dc6c17189f6dd5519710c340474cd1951af152e26.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\745e15f3243ed1524a25db6dc6c17189f6dd5519710c340474cd1951af152e26.exe"C:\Users\Admin\AppData\Local\Temp\745e15f3243ed1524a25db6dc6c17189f6dd5519710c340474cd1951af152e26.exe"1⤵
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:348 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 348 -s 3962⤵
- Program crash
PID:2804
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C:\Users\Admin\AppData\Local\Temp\745e15f3243ed1524a25db6dc6c17189f6dd5519710c340474cd1951af152e26.exeC:\Users\Admin\AppData\Local\Temp\745e15f3243ed1524a25db6dc6c17189f6dd5519710c340474cd1951af152e26.exe2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:4956 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 3643⤵
- Program crash
PID:4496
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 348 -ip 3481⤵PID:1692
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4956 -ip 49561⤵PID:5024
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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=1340 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:81⤵PID:4032
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\745e15f3243ed1524a25db6dc6c17189f6dd5519710c340474cd1951af152e26.exe
Filesize448KB
MD59eff5ecb9be5f636b605d1171e48b50f
SHA1cc45721c6bbcddb092fcccb110c67f278d407175
SHA2564b327bad3a22e97d6a332884ca5eb625d1ea0881f5fbb57e6c8b27245b4a085d
SHA512178009daa4c6a485492be58082952bf68d5f32ec6551db855dee1a0e8d1b21369dc76dbc69cc52fff0a32609326e6350b984b5a9a20c7535540b827a8885a9cb