Analysis
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max time kernel
163s -
max time network
169s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
22/12/2023, 05:03
Behavioral task
behavioral1
Sample
6dc04b06876f4ec4081286105dec89c7.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
6dc04b06876f4ec4081286105dec89c7.exe
Resource
win10v2004-20231215-en
General
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Target
6dc04b06876f4ec4081286105dec89c7.exe
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Size
1.5MB
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MD5
6dc04b06876f4ec4081286105dec89c7
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SHA1
90b049214b89d6f2c2900f38007b865d0f7f3563
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SHA256
7c7f68ddeed0b8deff52565b9ac489f3891df8fa8cb121408834ce086ff5848a
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SHA512
7459a34060604c08fb8e4fe7724f5b9af7875cc0882a8601a85beec076129362b0a10498e1e7e03d69cfe95d5d1599f0de17d506d0cb6a36e585a5f29614ac52
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SSDEEP
24576:ahP8QoCewvLLJDkgscjukL2nTL/8S3MAL1DKseWQAQcjukL2Y:0UQoCewvPJbscakLKr1rgHWFQcakLj
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2748 6dc04b06876f4ec4081286105dec89c7.exe -
Executes dropped EXE 1 IoCs
pid Process 2748 6dc04b06876f4ec4081286105dec89c7.exe -
Loads dropped DLL 1 IoCs
pid Process 2380 6dc04b06876f4ec4081286105dec89c7.exe -
resource yara_rule behavioral1/memory/2380-0-0x0000000000400000-0x000000000065C000-memory.dmp upx behavioral1/files/0x000c000000012274-17.dat upx behavioral1/memory/2380-16-0x0000000022FA0000-0x00000000231FC000-memory.dmp upx -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2676 schtasks.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 6dc04b06876f4ec4081286105dec89c7.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 6dc04b06876f4ec4081286105dec89c7.exe Key created \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405 6dc04b06876f4ec4081286105dec89c7.exe Set value (data) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\SystemCertificates\CA\Certificates\A053375BFE84E8B748782C7CEE15827A6AF5A405\Blob = 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 6dc04b06876f4ec4081286105dec89c7.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2380 6dc04b06876f4ec4081286105dec89c7.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2380 6dc04b06876f4ec4081286105dec89c7.exe 2748 6dc04b06876f4ec4081286105dec89c7.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2380 wrote to memory of 2748 2380 6dc04b06876f4ec4081286105dec89c7.exe 29 PID 2380 wrote to memory of 2748 2380 6dc04b06876f4ec4081286105dec89c7.exe 29 PID 2380 wrote to memory of 2748 2380 6dc04b06876f4ec4081286105dec89c7.exe 29 PID 2380 wrote to memory of 2748 2380 6dc04b06876f4ec4081286105dec89c7.exe 29 PID 2748 wrote to memory of 2676 2748 6dc04b06876f4ec4081286105dec89c7.exe 30 PID 2748 wrote to memory of 2676 2748 6dc04b06876f4ec4081286105dec89c7.exe 30 PID 2748 wrote to memory of 2676 2748 6dc04b06876f4ec4081286105dec89c7.exe 30 PID 2748 wrote to memory of 2676 2748 6dc04b06876f4ec4081286105dec89c7.exe 30 PID 2748 wrote to memory of 2732 2748 6dc04b06876f4ec4081286105dec89c7.exe 32 PID 2748 wrote to memory of 2732 2748 6dc04b06876f4ec4081286105dec89c7.exe 32 PID 2748 wrote to memory of 2732 2748 6dc04b06876f4ec4081286105dec89c7.exe 32 PID 2748 wrote to memory of 2732 2748 6dc04b06876f4ec4081286105dec89c7.exe 32 PID 2732 wrote to memory of 3052 2732 cmd.exe 34 PID 2732 wrote to memory of 3052 2732 cmd.exe 34 PID 2732 wrote to memory of 3052 2732 cmd.exe 34 PID 2732 wrote to memory of 3052 2732 cmd.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\6dc04b06876f4ec4081286105dec89c7.exe"C:\Users\Admin\AppData\Local\Temp\6dc04b06876f4ec4081286105dec89c7.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2380 -
C:\Users\Admin\AppData\Local\Temp\6dc04b06876f4ec4081286105dec89c7.exeC:\Users\Admin\AppData\Local\Temp\6dc04b06876f4ec4081286105dec89c7.exe2⤵
- Deletes itself
- Executes dropped EXE
- Modifies system certificate store
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\Windows\SysWOW64\schtasks.exeschtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\6dc04b06876f4ec4081286105dec89c7.exe" /TN m8v9k5kD0c8e /F3⤵
- Creates scheduled task(s)
PID:2676
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C:\Windows\SysWOW64\cmd.execmd.exe /c schtasks.exe /Query /XML /TN m8v9k5kD0c8e > C:\Users\Admin\AppData\Local\Temp\jSqg4NBTq.xml3⤵
- Suspicious use of WriteProcessMemory
PID:2732 -
C:\Windows\SysWOW64\schtasks.exeschtasks.exe /Query /XML /TN m8v9k5kD0c8e4⤵PID:3052
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
64KB
MD577683bdcb2e9dc1c92e13944b9b89ec3
SHA15a157bc9095053fa6a85c4592d607ebca9f78b8c
SHA2560429ade2fa04e930c226486e7609a5bde36c6367f09def65cb37ba69f8350e4a
SHA5124adfa4b3f1bcf4995bcdbf416416b0627ebd79915b7bee38f6d3bf3d853b579ea1a1309765b3fb47af3499747ff0424d7ae715f6f6099b790f044df689d6a61e
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Filesize
1KB
MD5597db3b9c435c43af8e962797dcc151c
SHA1fe375eaab099c9f12f630c950536e78f5fd9aa8a
SHA256745587212585f5ef04890edf1c3e30eb01806882ac3ebf03b33b20e9a875c124
SHA51218661c93e10a5759b46cc6ec67ea747f8564dac38b4618b41c73a2f6efd29b3ab8a0b581e5b84f1411f04b07a5d93c96ede10319c90f28fd8ccaca18c3ed706b