Analysis
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max time kernel
140s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
08-11-2024 03:30
General
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Target
b3e4b1be3d6271f8a68b21809b3b8acaeb5a80541a79944f2f466b61109d059c.exe
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Size
11.5MB
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MD5
2213447d6a5b56dbbcce43b7e3a6e641
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SHA1
f0bbf609b5c3182a17a6a5878283e025b23f233f
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SHA256
b3e4b1be3d6271f8a68b21809b3b8acaeb5a80541a79944f2f466b61109d059c
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SHA512
d229231148dfe8509272f2c7f4eeb3c7b4e5edeb9fa652989b06ffb2621244af438939d3cf166d24c0f5f5ab14585adf95d738a32dfa4886ce5502dd4370006d
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SSDEEP
196608:FAQuVH3M82sRhWphk2XmH24Wgf7TInXinHuE50PbdtwsmrKVveZleGxzLVyyqg:GLxM8r22PvInXinHuK0xCKVvetRVl
Malware Config
Extracted
bdaejec
ddos.dnsnb8.net
Signatures
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Bdaejec
Bdaejec is a backdoor written in C++.
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Bdaejec family
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Detects Bdaejec Backdoor. 2 IoCs
Bdaejec is backdoor written in C++.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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ASPack v2.12-2.42 1 IoCs
Detects executables packed with ASPack v2.12-2.42
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 2 IoCs
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Themida packer 19 IoCs
Detects Themida, an advanced Windows software protection system.
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Drops file in Program Files directory 64 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Suspicious use of SetWindowsHookEx 2 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b3e4b1be3d6271f8a68b21809b3b8acaeb5a80541a79944f2f466b61109d059c.exe"C:\Users\Admin\AppData\Local\Temp\b3e4b1be3d6271f8a68b21809b3b8acaeb5a80541a79944f2f466b61109d059c.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
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\nBkKZr.exeC:\Users\Admin\AppData\Local\Temp\nBkKZr.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\64195491.bat" "3⤵
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
4B
MD5d3b07384d113edec49eaa6238ad5ff00
SHA1f1d2d2f924e986ac86fdf7b36c94bcdf32beec15
SHA256b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c
SHA5120cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6
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Filesize
4B
MD520879c987e2f9a916e578386d499f629
SHA1c7b33ddcc42361fdb847036fc07e880b81935d5d
SHA2569f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31
SHA512bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f
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Filesize
187B
MD5086592a462346fafc9fb2f7615246508
SHA16654242e3c6fa3b41303f04b31f7184e60293b0d
SHA25620b12af424a175a9298eb8eaa8bb20ef07cc86e4037c55d71a6bf87c4bedf154
SHA5125f14ecbfbba9f75caa0d385fa3ae28f1e4f6fb59f94c87f21c108892c95d4a120de2fa9deda8b1daa2d1c79eb83b32eec227557b05c37e089d39674e66bd14d1
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Filesize
15KB
MD556b2c3810dba2e939a8bb9fa36d3cf96
SHA199ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA2564354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA51227812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
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Filesize
18.9MB
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Filesize
18.9MB
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Filesize
8KB
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Filesize
18.9MB
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Filesize
18.9MB
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Filesize
1.1MB
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Filesize
36KB
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Filesize
36KB
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Filesize
18.9MB
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Filesize
18.9MB
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Filesize
18.9MB
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Filesize
18.9MB
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Filesize
18.9MB
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Filesize
18.9MB
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Filesize
18.9MB
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Filesize
18.9MB
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Filesize
18.9MB
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Filesize
18.9MB
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Filesize
36KB
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Filesize
18.9MB
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Filesize
18.9MB
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Filesize
18.9MB
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Filesize
18.9MB
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Filesize
18.9MB
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Filesize
36KB
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Filesize
36KB