Analysis
- max time kernel
120s - max time network
148s - platform
windows10_x64 - resource
win10v20201028 - submitted
17/02/2021, 06:51
General
- Target 9740f05b2c61d83fb93d34e071f4fe79.exe
- Size 4.6MB
- Sample210217-b9rf2xz3t2
- SHA256 477ea4ac94a63aa7e55baf53f5a0fba0e264f3c155f413edc03da1f5181d9999
Malware Config
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- themida 1 IoCs
Detects Themida, Advanced Windows software protection system.
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\9740f05b2c61d83fb93d34e071f4fe79.exe"C:\Users\Admin\AppData\Local\Temp\9740f05b2c61d83fb93d34e071f4fe79.exe"1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4684-3-0x0000000073900000-0x0000000073FEE000-memory.dmp
memory/4684-4-0x0000000000140000-0x0000000000141000-memory.dmp
memory/4684-6-0x0000000005700000-0x0000000005701000-memory.dmp
memory/4684-7-0x00000000778C4000-0x00000000778C5000-memory.dmp
memory/4684-8-0x00000000056D0000-0x00000000056D1000-memory.dmp
memory/4684-9-0x0000000005E00000-0x0000000005E01000-memory.dmp
memory/4684-10-0x0000000005870000-0x0000000005871000-memory.dmp
memory/4684-11-0x00000000058D0000-0x00000000058D1000-memory.dmp
memory/4684-12-0x0000000005910000-0x0000000005911000-memory.dmp
memory/4684-13-0x00000000057E0000-0x00000000057E1000-memory.dmp
memory/4684-14-0x0000000005B70000-0x0000000005B71000-memory.dmp
memory/4684-15-0x0000000006B60000-0x0000000006B61000-memory.dmp
memory/4684-16-0x0000000007260000-0x0000000007261000-memory.dmp
memory/4684-17-0x0000000006D30000-0x0000000006D31000-memory.dmp
memory/4684-18-0x0000000007C90000-0x0000000007C91000-memory.dmp
memory/4684-19-0x0000000006E40000-0x0000000006E41000-memory.dmp
memory/4684-20-0x0000000007890000-0x0000000007891000-memory.dmp