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Analysis
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max time kernel
154s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
19/03/2024, 20:21
Behavioral task
behavioral1
Sample
564ba6fcc511c27a19bf6d4de9dafb696f43f11071c452899ac8c71877d0e33b.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
564ba6fcc511c27a19bf6d4de9dafb696f43f11071c452899ac8c71877d0e33b.exe
Resource
win10v2004-20240226-en
General
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Target
564ba6fcc511c27a19bf6d4de9dafb696f43f11071c452899ac8c71877d0e33b.exe
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Size
260KB
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MD5
9408b0a8fd703847ad43ac6f6b2053f7
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SHA1
bfa65b7d850ab03d2654784b8d1846665aa7f7bf
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SHA256
564ba6fcc511c27a19bf6d4de9dafb696f43f11071c452899ac8c71877d0e33b
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SHA512
d00e1de744fceef97388ff4f4eadf42cd547a069783cc98deb9ebd47b8a55159d6103b6a0a0f01993c4ddf9a6f0a9b35851ae62448962e6196188e32e43d4699
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SSDEEP
6144:2Kp+kqKt7gZ3qTFbIyVWeU2xnbkytg2MBTR/rW:2Kp+k7dgVqRJVZxnIyi2MT9q
Malware Config
Signatures
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UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/5076-0-0x0000000000400000-0x000000000042D000-memory.dmp UPX behavioral2/files/0x0009000000023282-7.dat UPX behavioral2/memory/5076-9-0x0000000000400000-0x000000000042D000-memory.dmp UPX behavioral2/memory/3264-16-0x0000000000400000-0x000000000042D000-memory.dmp UPX -
Modifies AppInit DLL entries 2 TTPs
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Executes dropped EXE 1 IoCs
pid Process 3264 crdkdxb.exe -
resource yara_rule behavioral2/memory/5076-0-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/files/0x0009000000023282-7.dat upx behavioral2/memory/5076-9-0x0000000000400000-0x000000000042D000-memory.dmp upx behavioral2/memory/3264-16-0x0000000000400000-0x000000000042D000-memory.dmp upx -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\PROGRA~3\Mozilla\crdkdxb.exe 564ba6fcc511c27a19bf6d4de9dafb696f43f11071c452899ac8c71877d0e33b.exe File created C:\PROGRA~3\Mozilla\xczzoaa.dll crdkdxb.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\564ba6fcc511c27a19bf6d4de9dafb696f43f11071c452899ac8c71877d0e33b.exe"C:\Users\Admin\AppData\Local\Temp\564ba6fcc511c27a19bf6d4de9dafb696f43f11071c452899ac8c71877d0e33b.exe"1⤵
- Drops file in Program Files directory
PID:5076
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C:\PROGRA~3\Mozilla\crdkdxb.exeC:\PROGRA~3\Mozilla\crdkdxb.exe -ofessij1⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:3264
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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=4476 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:81⤵PID:2212
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
260KB
MD5a67bfbbd51941f75ef6e172c81c696ed
SHA170414a4c0e351fb369c1eb270bf0e7ad7a363deb
SHA2566e41a3504606c4d5f86df58788a8e7c3c456d2fa76621847c27554f2dbeffded
SHA512bd9c3af96654e75b6f9d0d3f94e6b278629f8a0a3a213163902b7fd62c094d9753a10eacd818092508a9d51e2c55e21c357f82a32a7d01ac4c3d60b65a1db0e9