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
Score10/10Detects DonutLoader
Family: DonutLoader
DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.
Looks for VirtualBox Guest Additions in registry
Looks for VMWare Tools registry key
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
Loads dropped DLL
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
Suspicious use of NtSetInformationThreadHideFromDebugger