Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    15-02-2022 04:46

General

  • Target

    f314b54520cee8936c980f7b4f497b1630d7dc04bbe8140d38febc7bda502021.exe

  • Size

    2.8MB

  • MD5

    f2881f6c5f3f6062a8229a57a39ef2ae

  • SHA1

    a88b8af7babf4c3ceab601c957e07700389a8160

  • SHA256

    f314b54520cee8936c980f7b4f497b1630d7dc04bbe8140d38febc7bda502021

  • SHA512

    8ecac6ca52c0aec2dadebf76df3fd655d308ded7fd115ee4e8abd6f806a67f4e92ff592fb7167fd4226516fec2af183884dccfbd82e9652667fa0347ca69ed08

Malware Config

Signatures

  • RedLine

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

  • RedLine Payload 1 IoCs
  • 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\f314b54520cee8936c980f7b4f497b1630d7dc04bbe8140d38febc7bda502021.exe
    "C:\Users\Admin\AppData\Local\Temp\f314b54520cee8936c980f7b4f497b1630d7dc04bbe8140d38febc7bda502021.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:4484
  • 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:3148
  • 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:948

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3148-143-0x000001EED0420000-0x000001EED0430000-memory.dmp

    Filesize

    64KB

  • memory/3148-145-0x000001EED2B30000-0x000001EED2B34000-memory.dmp

    Filesize

    16KB

  • memory/3148-144-0x000001EED0480000-0x000001EED0490000-memory.dmp

    Filesize

    64KB

  • memory/4484-139-0x00000000058B0000-0x00000000058C2000-memory.dmp

    Filesize

    72KB

  • memory/4484-137-0x0000000005ED0000-0x00000000064E8000-memory.dmp

    Filesize

    6.1MB

  • memory/4484-138-0x00000000744EE000-0x00000000744EF000-memory.dmp

    Filesize

    4KB

  • memory/4484-130-0x0000000076840000-0x0000000076841000-memory.dmp

    Filesize

    4KB

  • memory/4484-140-0x00000000059E0000-0x0000000005AEA000-memory.dmp

    Filesize

    1.0MB

  • memory/4484-141-0x0000000005910000-0x000000000594C000-memory.dmp

    Filesize

    240KB

  • memory/4484-142-0x00000000058A0000-0x00000000058A1000-memory.dmp

    Filesize

    4KB

  • memory/4484-136-0x00000000004F0000-0x0000000000C36000-memory.dmp

    Filesize

    7.3MB

  • memory/4484-132-0x0000000076F54000-0x0000000076F56000-memory.dmp

    Filesize

    8KB

  • memory/4484-131-0x0000000076840000-0x0000000076841000-memory.dmp

    Filesize

    4KB