Analysis
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max time kernel
145s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
31-12-2023 14:22
Static task
static1
Behavioral task
behavioral1
Sample
39a6e471a9bc622f74a255595d092b9a.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
39a6e471a9bc622f74a255595d092b9a.exe
Resource
win10v2004-20231222-en
General
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Target
39a6e471a9bc622f74a255595d092b9a.exe
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Size
662KB
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MD5
39a6e471a9bc622f74a255595d092b9a
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SHA1
49c16aefbe586e08e46ae8d863bc1b5e544441ed
-
SHA256
b48c9cc1470787a06df5e3a8eb9d489d77ac022c23ea9538d34d852610804921
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SHA512
55abc38ed55f2e003f3addd0c610bdb3cdbc081a2ab0642da939545b9db73f26dc5be0e3d37c8e88f97226273181ce8be367d39f664ff3b89f81935dbfecef30
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SSDEEP
12288:NilOKNYkqi1r3iSFPUXo67taaYOIP+4PzazTVvLg5j0+P8ydaVoy7jQVOQFAm:MskYk/ANZVuzgs5j0OPcVoynZm
Malware Config
Extracted
cryptbot
lysayu42.top
morbyn04.top
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payload_url
http://damhlu05.top/download.php?file=lv.exe
Signatures
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CryptBot payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/2644-2-0x0000000000960000-0x0000000000A00000-memory.dmp family_cryptbot behavioral1/memory/2644-3-0x0000000000400000-0x000000000095C000-memory.dmp family_cryptbot behavioral1/memory/2644-221-0x0000000000400000-0x000000000095C000-memory.dmp family_cryptbot behavioral1/memory/2644-225-0x0000000000960000-0x0000000000A00000-memory.dmp family_cryptbot -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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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.
Processes:
39a6e471a9bc622f74a255595d092b9a.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 39a6e471a9bc622f74a255595d092b9a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 39a6e471a9bc622f74a255595d092b9a.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
39a6e471a9bc622f74a255595d092b9a.exepid process 2644 39a6e471a9bc622f74a255595d092b9a.exe 2644 39a6e471a9bc622f74a255595d092b9a.exe
Processes
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
40KB
MD567322fae821f28ba37cb408f904641f0
SHA17791cd5cf4e56bdab759fe10e72dd04707e44165
SHA2563f442e786f1dfccfb0912c73ce1e1ce1c5a8ca5aaaa9bb233ec0a3be1dc63542
SHA51217ddb7571f6664bc3bfaf81d3f03b624f37af7427ede74d97baadf51f13fe73ed864513689a45f3e22bee098a5d2b1f17c6e93787b90da1417f3810b0819fefd
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Filesize
5KB
MD5131945d7934655bc6758f5ce32a52b81
SHA183ec1bc65b12f93720e42061f69a7edc2eef640e
SHA256440abfd029814d55a71624797dedc8e4b01fb0e97e9e727a5b63c8afa6523aa5
SHA512986b20454bd1618a25d9b9c85f8de197f2d016c5160b9da7d6fb60a9444fc1e0143dc3df4849804a59421b4990f78a88a82968ceea73a057b4205b69b99599a6
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Filesize
47KB
MD5195a744361203016f07235c1178af4b4
SHA11ed15a84bfe7788b7f9972fec738e687a320703c
SHA25643750ecef0a4b61fde874aefa09771ae29ef15056ab1f3d59d48b88fcc34317b
SHA5129ea4e19bc8558fe4c86210c244207909b141bf48a6d50add496cead1660159304d1420eff66103f59b60df7572117962009f7ebbb12a379eed6cda8080f4d982
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Filesize
4KB
MD5a6589b4629fd566a9056e1fb3aca55fe
SHA151ef537629bd8be8b12a286e2c417b9dafa92b80
SHA2563f489def7f7ee68c29693c8a03b9f971b5366fd3872e8588b330c0ea8336c308
SHA512bbaa7758df35bf53798c81efdc3e5f27d3b09b19c6076676c3027db6717747ee48d56d1dd7e6a0065b4ed2c11afb7c9e48da5195d325d37e2834b09bd386f00e