Analysis
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max time kernel
149s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
20-04-2024 02:32
General
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Target
c3d788de8a2eb47fe0fa0b3885a9675dd762c2eeb98a792a7e6528f013d4adf0.dll
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Size
260KB
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MD5
c9132dc8af427cda1ed60e92202cbcb8
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SHA1
56dedd44a6c670b51f571c55cf60bff5dd5f05cb
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SHA256
c3d788de8a2eb47fe0fa0b3885a9675dd762c2eeb98a792a7e6528f013d4adf0
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SHA512
14c0034d1e6dcf83cbbf8e003286bcd95b71dbc2926a4df843f9159f4d1b99bf523718881fc6881fcc2ea126938f5d1855974d6dc5a25ad65fb81d9d8443d13f
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SSDEEP
6144:HhJkmMlGAzciA4nhT5ai7Ohk/0BFen/xmO:HhJEQloHOXM4O
Malware Config
Signatures
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Detects executables containing base64 encoded User Agent 3 IoCs
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Blocklisted process makes network request 10 IoCs
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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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Adds Run key to start application 2 TTPs 1 IoCs
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Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 7 IoCs
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c3d788de8a2eb47fe0fa0b3885a9675dd762c2eeb98a792a7e6528f013d4adf0.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c3d788de8a2eb47fe0fa0b3885a9675dd762c2eeb98a792a7e6528f013d4adf0.dll,#12⤵
- Blocklisted process makes network request
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2656-0-0x0000000010000000-0x0000000010090000-memory.dmpFilesize
576KB
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memory/2656-2-0x0000000010000000-0x0000000010090000-memory.dmpFilesize
576KB
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memory/2656-1-0x0000000010000000-0x0000000010090000-memory.dmpFilesize
576KB
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memory/2656-4-0x0000000010000000-0x0000000010090000-memory.dmpFilesize
576KB