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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, 17:46
Static task
static1
Behavioral task
behavioral1
Sample
4183a1c1c0a8075fdaf6a1aaa35bfacb.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4183a1c1c0a8075fdaf6a1aaa35bfacb.exe
Resource
win10v2004-20231215-en
General
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Target
4183a1c1c0a8075fdaf6a1aaa35bfacb.exe
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Size
385KB
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MD5
4183a1c1c0a8075fdaf6a1aaa35bfacb
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SHA1
b92741ad4507cd674191a90e4457331968887e25
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SHA256
c193816f5ed013ef0672b9e0fe6648ffccb1a58adc0f47daad73df6afbe5396a
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SHA512
c21a886938fe72aed651d5138477a4933892573e9ef075ea68b84883b19407a7df1fb7d81a101080fe760fa5e64108549898efe7faeb7ad6012158f2ea6ed1bc
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SSDEEP
6144:C/jzKpvk4A8FJ0lFvKdvbWzcqavlQUELHnlKHNWUs2uUk+Ae4pB:Ezavk4A8FICDKAvlQ5zlcNbDk5pB
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2260 4183a1c1c0a8075fdaf6a1aaa35bfacb.exe -
Executes dropped EXE 1 IoCs
pid Process 2260 4183a1c1c0a8075fdaf6a1aaa35bfacb.exe -
Loads dropped DLL 1 IoCs
pid Process 2456 4183a1c1c0a8075fdaf6a1aaa35bfacb.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474 4183a1c1c0a8075fdaf6a1aaa35bfacb.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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 4183a1c1c0a8075fdaf6a1aaa35bfacb.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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 4183a1c1c0a8075fdaf6a1aaa35bfacb.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2456 4183a1c1c0a8075fdaf6a1aaa35bfacb.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2456 4183a1c1c0a8075fdaf6a1aaa35bfacb.exe 2260 4183a1c1c0a8075fdaf6a1aaa35bfacb.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2456 wrote to memory of 2260 2456 4183a1c1c0a8075fdaf6a1aaa35bfacb.exe 28 PID 2456 wrote to memory of 2260 2456 4183a1c1c0a8075fdaf6a1aaa35bfacb.exe 28 PID 2456 wrote to memory of 2260 2456 4183a1c1c0a8075fdaf6a1aaa35bfacb.exe 28 PID 2456 wrote to memory of 2260 2456 4183a1c1c0a8075fdaf6a1aaa35bfacb.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\4183a1c1c0a8075fdaf6a1aaa35bfacb.exe"C:\Users\Admin\AppData\Local\Temp\4183a1c1c0a8075fdaf6a1aaa35bfacb.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2456 -
C:\Users\Admin\AppData\Local\Temp\4183a1c1c0a8075fdaf6a1aaa35bfacb.exeC:\Users\Admin\AppData\Local\Temp\4183a1c1c0a8075fdaf6a1aaa35bfacb.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies system certificate store
- Suspicious use of UnmapMainImage
PID:2260
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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Filesize
171KB
MD59c0c641c06238516f27941aa1166d427
SHA164cd549fb8cf014fcd9312aa7a5b023847b6c977
SHA2564276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
SHA512936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06
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Filesize
385KB
MD5db7484cecf7d871cceb80f4b43364a7d
SHA1c77e4fd2785617a1902eca7f33e8a442d76c93d5
SHA256683e8ed6d8be9560c9e47f40f53735be4285fe6bbeeaf7768982047451cc1d59
SHA512658e09f8c27924994fe75844b5673049c8a4c2393d31c4ab8968cfc14916001bdd42597d13e55bff2f4382f7553c429a480d67ad97be556772a23780d3fce48c