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Analysis
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max time kernel
151s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
15/10/2023, 16:57
Static task
static1
Behavioral task
behavioral1
Sample
6665de6bda2b47436e9367010a2d7059e79e300e5aa1bc2e99b3c18b26758d0e.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
6665de6bda2b47436e9367010a2d7059e79e300e5aa1bc2e99b3c18b26758d0e.exe
Resource
win10v2004-20230915-en
General
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Target
6665de6bda2b47436e9367010a2d7059e79e300e5aa1bc2e99b3c18b26758d0e.exe
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Size
1.2MB
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MD5
30bc3a5f2e0ce39f40fc7b7b8e8579ee
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SHA1
0e7ce11e26c8fd9df95127e5d09022ebec85f71c
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SHA256
6665de6bda2b47436e9367010a2d7059e79e300e5aa1bc2e99b3c18b26758d0e
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SHA512
d1fc41e1ae92f49eb61cf89c0cb69cc8aeab2e5709d43101d2e8eb1148d522b295fb59fe98ce7952e503536763e6b7d20ac2c36d310d6665be79e4f009fdb799
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SSDEEP
24576:GHXXX/XXXFqIIIcXXX5j2XXXcXXXfXXXxXXXLIII+Ph2kkkkK4kXkkkkkkkkhLXp:G9qIIIUjfIIIAbazR0vKLXZs
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-919254492-3979293997-764407192-1000\Control Panel\International\Geo\Nation 6665de6bda2b47436e9367010a2d7059e79e300e5aa1bc2e99b3c18b26758d0e.exe -
Executes dropped EXE 1 IoCs
pid Process 2212 foohost.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\Debug\foohost.exe 6665de6bda2b47436e9367010a2d7059e79e300e5aa1bc2e99b3c18b26758d0e.exe File opened for modification C:\Windows\Debug\foohost.exe 6665de6bda2b47436e9367010a2d7059e79e300e5aa1bc2e99b3c18b26758d0e.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz foohost.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 foohost.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3508 6665de6bda2b47436e9367010a2d7059e79e300e5aa1bc2e99b3c18b26758d0e.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3508 wrote to memory of 3052 3508 6665de6bda2b47436e9367010a2d7059e79e300e5aa1bc2e99b3c18b26758d0e.exe 85 PID 3508 wrote to memory of 3052 3508 6665de6bda2b47436e9367010a2d7059e79e300e5aa1bc2e99b3c18b26758d0e.exe 85 PID 3508 wrote to memory of 3052 3508 6665de6bda2b47436e9367010a2d7059e79e300e5aa1bc2e99b3c18b26758d0e.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\6665de6bda2b47436e9367010a2d7059e79e300e5aa1bc2e99b3c18b26758d0e.exe"C:\Users\Admin\AppData\Local\Temp\6665de6bda2b47436e9367010a2d7059e79e300e5aa1bc2e99b3c18b26758d0e.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3508 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\6665DE~1.EXE > nul2⤵PID:3052
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C:\Windows\Debug\foohost.exeC:\Windows\Debug\foohost.exe1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:2212
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.2MB
MD56eb8fb16ddb7174d506fedf585d94dbf
SHA18157d5aa568922194e08f33d225018e59d61d925
SHA256c8d03b783cbd27e058d198a7c460d78f4ee3e3d8e19734bc4efbef745a80c74f
SHA512d49c5dfe6620e128fd6ecfb051add8f99b213dfa20fbb6d3e839895c03500c9372f615b00b11bc4bb9cfa9f0090bbcaa85db7afda6863bc82309f8c01d08dce1
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Filesize
1.2MB
MD56eb8fb16ddb7174d506fedf585d94dbf
SHA18157d5aa568922194e08f33d225018e59d61d925
SHA256c8d03b783cbd27e058d198a7c460d78f4ee3e3d8e19734bc4efbef745a80c74f
SHA512d49c5dfe6620e128fd6ecfb051add8f99b213dfa20fbb6d3e839895c03500c9372f615b00b11bc4bb9cfa9f0090bbcaa85db7afda6863bc82309f8c01d08dce1