General
- Target BacteriaMBR.exe
- Size 1.1MB
- Sample260713-l4le7ahs2t
- SHA256 444b4fd900e16eec296d304e87ff2dc7ccc56fff8ff2ca5dc0a018702d591977
- MD5 4f10d63d956d17c1f14aea85c4404f18
- SHA1 15e32f5cff0eaf83bf246ea07efeabcfc2255803
- SHA512 24d83965a3e2c1fdc24a2b8f9f8825f88dcda38cf8dd3a0bd4ed66b3bfb1097e1c7c38eb0facc80f6dcecbc8c5f2ab99e1b4a51e605794cb7068c0d96f2019ef
- SSDEEP 24576:Uh+iHUr1zbrvUC0SZnh8y9sjVlluVP7pxIPiPQVqnJ:s0xzbQCrZh8yKllijpKuJ
- TLSH T142351225E3620A4FF0A77CFE05D37830B664DA934A3A4A4D0BF1D5B859A29F3D71C489
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
BacteriaMBR.exe
Resource
win10v2004-20260513-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
BacteriaMBR.exe
Resource
win11ltsc2024-20260709-en
21 signatures
150 seconds
Malware Config
Targets
-
- Target BacteriaMBR.exe
- Size 1.1MB
- SHA256 444b4fd900e16eec296d304e87ff2dc7ccc56fff8ff2ca5dc0a018702d591977
- MD5 4f10d63d956d17c1f14aea85c4404f18
- SHA1 15e32f5cff0eaf83bf246ea07efeabcfc2255803
- SHA512 24d83965a3e2c1fdc24a2b8f9f8825f88dcda38cf8dd3a0bd4ed66b3bfb1097e1c7c38eb0facc80f6dcecbc8c5f2ab99e1b4a51e605794cb7068c0d96f2019ef
- SSDEEP 24576:Uh+iHUr1zbrvUC0SZnh8y9sjVlluVP7pxIPiPQVqnJ:s0xzbQCrZh8yKllijpKuJ
- TLSH T142351225E3620A4FF0A77CFE05D37830B664DA934A3A4A4D0BF1D5B859A29F3D71C489
- MD5 SHA1 SHA512 SSDEEP TLSH
Score10/10-
Detects DonutLoader
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Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
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Looks for VirtualBox Guest Additions in registry
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Looks for VMWare Tools registry key
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Loads dropped DLL
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Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of NtSetInformationThreadHideFromDebugger