Analysis
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max time kernel
142s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
18-09-2023 18:09
Behavioral task
behavioral1
Sample
8f7c7aadf506d8850c65d6fad2646438_JC.exe
Resource
win7-20230831-en
General
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Target
8f7c7aadf506d8850c65d6fad2646438_JC.exe
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Size
5.1MB
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MD5
8f7c7aadf506d8850c65d6fad2646438
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SHA1
0d45d3ea30740a2a6df523396cf143dd59ebeec7
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SHA256
eb8455a49caa35beaa645fb26a4b760a84e2abcce810b9261518fc978d6027c9
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SHA512
17e1a00dd04694a95760c93e20d878e5956b215ecff1eb5dba917719ddff8587d9fddeb0bd7008a6e248859a83d2446310f8fc4cfddbcd44cb4ca2b1f6b4bf53
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SSDEEP
98304:sbpLElLpmF74U66BS5vdypRR67nVUEFUCfbN1xi0zCB/Rr97XJ:sbpLEFpmKU66BYVyr4nV7+Crxi0Ur9T
Malware Config
Signatures
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Raccoon Stealer payload 3 IoCs
resource yara_rule behavioral2/memory/4336-3-0x0000000000400000-0x0000000000F93000-memory.dmp family_raccoon behavioral2/memory/4336-51-0x0000000000400000-0x0000000000F93000-memory.dmp family_raccoon behavioral2/memory/4336-58-0x0000000000400000-0x0000000000F93000-memory.dmp family_raccoon -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 8f7c7aadf506d8850c65d6fad2646438_JC.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 8f7c7aadf506d8850c65d6fad2646438_JC.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 8f7c7aadf506d8850c65d6fad2646438_JC.exe -
Loads dropped DLL 3 IoCs
pid Process 4336 8f7c7aadf506d8850c65d6fad2646438_JC.exe 4336 8f7c7aadf506d8850c65d6fad2646438_JC.exe 4336 8f7c7aadf506d8850c65d6fad2646438_JC.exe -
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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resource yara_rule behavioral2/memory/4336-0-0x0000000000400000-0x0000000000F93000-memory.dmp themida behavioral2/memory/4336-2-0x0000000000400000-0x0000000000F93000-memory.dmp themida behavioral2/memory/4336-3-0x0000000000400000-0x0000000000F93000-memory.dmp themida behavioral2/memory/4336-51-0x0000000000400000-0x0000000000F93000-memory.dmp themida behavioral2/memory/4336-58-0x0000000000400000-0x0000000000F93000-memory.dmp themida -
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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description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 8f7c7aadf506d8850c65d6fad2646438_JC.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4336 8f7c7aadf506d8850c65d6fad2646438_JC.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4596 4336 WerFault.exe 84 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4336 8f7c7aadf506d8850c65d6fad2646438_JC.exe 4336 8f7c7aadf506d8850c65d6fad2646438_JC.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8f7c7aadf506d8850c65d6fad2646438_JC.exe"C:\Users\Admin\AppData\Local\Temp\8f7c7aadf506d8850c65d6fad2646438_JC.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4336 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4336 -s 498162⤵
- Program crash
PID:4596
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4336 -ip 43361⤵PID:2572
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
612KB
MD5f07d9977430e762b563eaadc2b94bbfa
SHA1da0a05b2b8d269fb73558dfcf0ed5c167f6d3877
SHA2564191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862
SHA5126afd512e4099643bba3fc7700dd72744156b78b7bda10263ba1f8571d1e282133a433215a9222a7799f9824f244a2bc80c2816a62de1497017a4b26d562b7eaf
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Filesize
1.9MB
MD5f67d08e8c02574cbc2f1122c53bfb976
SHA16522992957e7e4d074947cad63189f308a80fcf2
SHA256c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e
SHA5122e9d0a211d2b085514f181852fae6e7ca6aed4d29f396348bedb59c556e39621810a9a74671566a49e126ec73a60d0f781fa9085eb407df1eefd942c18853be5
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Filesize
1.0MB
MD5dbf4f8dcefb8056dc6bae4b67ff810ce
SHA1bbac1dd8a07c6069415c04b62747d794736d0689
SHA25647b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68
SHA512b572ca2f2e4a5cc93e4fcc7a18c0ae6df888aa4c55bc7da591e316927a4b5cfcbdda6e60018950be891ff3b26f470cc5cce34d217c2d35074322ab84c32a25d1