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Analysis
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max time kernel
120s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
04/01/2024, 11:55
Behavioral task
behavioral1
Sample
40cb4cecad3e64f0f099d4dc888534b1.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
40cb4cecad3e64f0f099d4dc888534b1.exe
Resource
win10v2004-20231215-en
General
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Target
40cb4cecad3e64f0f099d4dc888534b1.exe
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Size
2.9MB
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MD5
40cb4cecad3e64f0f099d4dc888534b1
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SHA1
7ffa75834dbb6447d8c4d58c7a1cae578e486ba7
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SHA256
bc0f4bd0bdd8148776e96d369e12436ce4b8828a3bb60c3b9eb082ba662c19bd
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SHA512
ed7d4106e5098d1ceb6478e61d30506791e6ae5c4fdc2acd22ee63bad2d834d10f5a339a4713d8a6f27eee73c9d194977780ce26911b155cb1d6b264730fe2c6
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SSDEEP
49152:fRHeTQKP6bSKBNbk1jErYc2WzryMhpxQqbrsI8OFP4M338dB2IBlGuuDVUsdxxjl:ftmP65BNCjEkc/z2tVPOFgg3gnl/IVU8
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2644 40cb4cecad3e64f0f099d4dc888534b1.exe -
Executes dropped EXE 1 IoCs
pid Process 2644 40cb4cecad3e64f0f099d4dc888534b1.exe -
Loads dropped DLL 1 IoCs
pid Process 1016 40cb4cecad3e64f0f099d4dc888534b1.exe -
resource yara_rule behavioral1/memory/1016-1-0x0000000000400000-0x00000000008EF000-memory.dmp upx behavioral1/files/0x000b000000012262-10.dat upx behavioral1/memory/2644-17-0x0000000000400000-0x00000000008EF000-memory.dmp upx behavioral1/files/0x000b000000012262-14.dat upx -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1016 40cb4cecad3e64f0f099d4dc888534b1.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 1016 40cb4cecad3e64f0f099d4dc888534b1.exe 2644 40cb4cecad3e64f0f099d4dc888534b1.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1016 wrote to memory of 2644 1016 40cb4cecad3e64f0f099d4dc888534b1.exe 28 PID 1016 wrote to memory of 2644 1016 40cb4cecad3e64f0f099d4dc888534b1.exe 28 PID 1016 wrote to memory of 2644 1016 40cb4cecad3e64f0f099d4dc888534b1.exe 28 PID 1016 wrote to memory of 2644 1016 40cb4cecad3e64f0f099d4dc888534b1.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\40cb4cecad3e64f0f099d4dc888534b1.exe"C:\Users\Admin\AppData\Local\Temp\40cb4cecad3e64f0f099d4dc888534b1.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1016 -
C:\Users\Admin\AppData\Local\Temp\40cb4cecad3e64f0f099d4dc888534b1.exeC:\Users\Admin\AppData\Local\Temp\40cb4cecad3e64f0f099d4dc888534b1.exe2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:2644
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
1.5MB
MD5e4cd6a19625ff68d3ef43463b11d45d8
SHA13bc055eb3eccaca33790f542c3b4375d6c6929d5
SHA25601cc766ca75999e03eb8c8fb0bb971272dbef2b646e940f6f7edc0bbdbc80b38
SHA5125519b6f4d09a17cea9fe03692c8f52e29f09649c7ecdd758bb1ee948a9691ccc63238cfb61bc6cea32e0e26e444d1b7f37b0adfa011d38eb9ab4e70f7e94d737
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Filesize
400KB
MD5fdcf1d360e21d349eec7f0e56f7ef0d4
SHA145a09c7002b77a78855cd9b1c363fb7a2cd1e4a7
SHA2569cffaabd043115bc9944070489d53720d28dba5694ccf1e48fb081c2e0aec81e
SHA512ee7c4b0cdb3503512c1549b283811db7a3228132cc289f278a21613f43553e87cd817920ecc483ba9b3a828f098d66f8a0266fb5efb766f33954ca5d88f82166