Analysis
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max time kernel
45s -
max time network
48s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
27-01-2023 08:27
Static task
static1
Behavioral task
behavioral1
Sample
440dadf7bdae3e28af8681f2f8ca9d5c4821a95ffc46119d7240eaf3fa01932a.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
440dadf7bdae3e28af8681f2f8ca9d5c4821a95ffc46119d7240eaf3fa01932a.exe
Resource
win10v2004-20221111-en
General
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Target
440dadf7bdae3e28af8681f2f8ca9d5c4821a95ffc46119d7240eaf3fa01932a.exe
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Size
123KB
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MD5
a9dfbf6414576da8cd0d54f2dae807be
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SHA1
56c7034aef6f9e53b1a9f7665f8e021b791df0d1
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SHA256
440dadf7bdae3e28af8681f2f8ca9d5c4821a95ffc46119d7240eaf3fa01932a
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SHA512
b69b4ff9ac0fd662b1b5b9885e1217a0292719232b407e7ca79760465841810e66f2a5838a0f23f97d1460e777069a331b06d4b45532413d28b52081b595a2a0
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SSDEEP
3072:WuxVUg3yGDRb8lc7uoZd4AQdFttdOsc09aarq3gmHRIbWDT3:JgORaz/d3tdP9aJgI0wb
Malware Config
Signatures
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Loads dropped DLL 1 IoCs
Processes:
440dadf7bdae3e28af8681f2f8ca9d5c4821a95ffc46119d7240eaf3fa01932a.exepid process 1664 440dadf7bdae3e28af8681f2f8ca9d5c4821a95ffc46119d7240eaf3fa01932a.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory 1 IoCs
Processes:
440dadf7bdae3e28af8681f2f8ca9d5c4821a95ffc46119d7240eaf3fa01932a.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Samleobjekts.ini 440dadf7bdae3e28af8681f2f8ca9d5c4821a95ffc46119d7240eaf3fa01932a.exe -
Drops file in Windows directory 1 IoCs
Processes:
440dadf7bdae3e28af8681f2f8ca9d5c4821a95ffc46119d7240eaf3fa01932a.exedescription ioc process File opened for modification C:\Windows\resources\0409\Pouncer\Telefonisterne\Tummels.His 440dadf7bdae3e28af8681f2f8ca9d5c4821a95ffc46119d7240eaf3fa01932a.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
Processes
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C:\Users\Admin\AppData\Local\Temp\440dadf7bdae3e28af8681f2f8ca9d5c4821a95ffc46119d7240eaf3fa01932a.exe"C:\Users\Admin\AppData\Local\Temp\440dadf7bdae3e28af8681f2f8ca9d5c4821a95ffc46119d7240eaf3fa01932a.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\nso3C16.tmp\System.dllFilesize
12KB
MD5564bb0373067e1785cba7e4c24aab4bf
SHA17c9416a01d821b10b2eef97b80899d24014d6fc1
SHA2567a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5
SHA51222c61a323cb9293d7ec5c7e7e60674d0e2f7b29d55be25eb3c128ea2cd7440a1400cee17c43896b996278007c0d247f331a9b8964e3a40a0eb1404a9596c4472
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memory/1664-54-0x0000000076181000-0x0000000076183000-memory.dmpFilesize
8KB
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memory/1664-56-0x0000000000400000-0x0000000000485000-memory.dmpFilesize
532KB
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memory/1664-57-0x0000000000400000-0x0000000000485000-memory.dmpFilesize
532KB
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memory/1664-58-0x0000000000400000-0x0000000000485000-memory.dmpFilesize
532KB