Analysis
- max time kernel
133s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
21/08/2024, 17:28
General
- Target elfbot.dll
- Size 1.4MB
- Sample240821-v2dr1a1flb
- SHA256 eb84edb1b813e5b433607fa3ea4a4c344059fcb099b2380976879ddab08408b6
Malware Config
Signatures
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Modifies registry class 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\elfbot.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\elfbot.dll,#12⤵
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/3736-0-0x0000000002400000-0x0000000002504000-memory.dmp
memory/3736-6-0x0000000002400000-0x0000000002504000-memory.dmp
memory/3736-9-0x0000000010000000-0x000000001047C000-memory.dmp
memory/3736-11-0x0000000002710000-0x0000000002730000-memory.dmp
memory/3736-12-0x0000000010000000-0x000000001047C000-memory.dmp
memory/3736-13-0x0000000002400000-0x0000000002504000-memory.dmp
memory/3736-10-0x0000000010000000-0x000000001047C000-memory.dmp
memory/3736-7-0x0000000010000000-0x000000001047C000-memory.dmp
memory/3736-14-0x0000000002400000-0x0000000002504000-memory.dmp