Analysis

  • max time kernel
    146s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    15-02-2022 14:58

General

  • Target

    233cb353b4dc5f127dd7863501875f5be44b96e299e29c3b6c30b1e984e2c918.exe

  • Size

    3.4MB

  • MD5

    a6aebaf78d5d1d323dc4e7553424ecb3

  • SHA1

    67443ca919e3f3811f50ba21321f3eda1d33909c

  • SHA256

    233cb353b4dc5f127dd7863501875f5be44b96e299e29c3b6c30b1e984e2c918

  • SHA512

    68dce0bbf2235ba83931898c13010f504009d2dbc8e00e780a59d7391af3fc8f0b7ce866fd5467a18094bb779fe7f6ca1be62d587e9bb2f3893fb05d742b6131

Malware Config

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine Payload 1 IoCs
  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • 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.

  • Themida packer 1 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Windows directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\233cb353b4dc5f127dd7863501875f5be44b96e299e29c3b6c30b1e984e2c918.exe
    "C:\Users\Admin\AppData\Local\Temp\233cb353b4dc5f127dd7863501875f5be44b96e299e29c3b6c30b1e984e2c918.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:4128
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4172
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3888

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4128-132-0x00000000755E0000-0x00000000755E1000-memory.dmp

    Filesize

    4KB

  • memory/4128-133-0x0000000077274000-0x0000000077276000-memory.dmp

    Filesize

    8KB

  • memory/4128-134-0x0000000000780000-0x000000000105C000-memory.dmp

    Filesize

    8.9MB

  • memory/4128-135-0x000000007480E000-0x000000007480F000-memory.dmp

    Filesize

    4KB

  • memory/4128-136-0x0000000006550000-0x0000000006B68000-memory.dmp

    Filesize

    6.1MB

  • memory/4128-137-0x0000000005E00000-0x0000000005E12000-memory.dmp

    Filesize

    72KB

  • memory/4128-138-0x0000000006040000-0x000000000614A000-memory.dmp

    Filesize

    1.0MB

  • memory/4128-139-0x0000000005E60000-0x0000000005E9C000-memory.dmp

    Filesize

    240KB

  • memory/4128-140-0x0000000005F20000-0x0000000005F21000-memory.dmp

    Filesize

    4KB

  • memory/4172-141-0x00000241F9980000-0x00000241F9990000-memory.dmp

    Filesize

    64KB

  • memory/4172-142-0x00000241FA020000-0x00000241FA030000-memory.dmp

    Filesize

    64KB

  • memory/4172-143-0x00000241FC700000-0x00000241FC704000-memory.dmp

    Filesize

    16KB