Analysis

  • max time kernel
    159s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    15-02-2022 13:51

General

  • Target

    45925c7c5e974ba507a8837e353d678c4f44ddd38436ebf5ba6e9b2a8dfff9ce.exe

  • Size

    2.7MB

  • MD5

    58c876a5d0514c9f2de1c57342535385

  • SHA1

    caa7eec68c35f4e32d1c36897ba20f61bc4b8bed

  • SHA256

    45925c7c5e974ba507a8837e353d678c4f44ddd38436ebf5ba6e9b2a8dfff9ce

  • SHA512

    c5b9780186b44ca589ea0ba21c1b61dc47605dfd8096c6b871289e2030ad78b87e9e2c75560303ccfca0613498c1d8c5f46717177c5226e54bff5a533d57e194

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\45925c7c5e974ba507a8837e353d678c4f44ddd38436ebf5ba6e9b2a8dfff9ce.exe
    "C:\Users\Admin\AppData\Local\Temp\45925c7c5e974ba507a8837e353d678c4f44ddd38436ebf5ba6e9b2a8dfff9ce.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:3908
  • 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:2228
  • 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:1864

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2228-142-0x000001C8A0160000-0x000001C8A0170000-memory.dmp

    Filesize

    64KB

  • memory/2228-143-0x000001C8A0720000-0x000001C8A0730000-memory.dmp

    Filesize

    64KB

  • memory/2228-144-0x000001C8A2DA0000-0x000001C8A2DA4000-memory.dmp

    Filesize

    16KB

  • memory/3908-133-0x0000000075A10000-0x0000000075A11000-memory.dmp

    Filesize

    4KB

  • memory/3908-134-0x0000000077904000-0x0000000077906000-memory.dmp

    Filesize

    8KB

  • memory/3908-135-0x00000000005B0000-0x0000000000CB4000-memory.dmp

    Filesize

    7.0MB

  • memory/3908-136-0x0000000074E9E000-0x0000000074E9F000-memory.dmp

    Filesize

    4KB

  • memory/3908-137-0x0000000006400000-0x0000000006A18000-memory.dmp

    Filesize

    6.1MB

  • memory/3908-138-0x0000000005D70000-0x0000000005D82000-memory.dmp

    Filesize

    72KB

  • memory/3908-139-0x0000000005EF0000-0x0000000005FFA000-memory.dmp

    Filesize

    1.0MB

  • memory/3908-140-0x0000000005DD0000-0x0000000005DD1000-memory.dmp

    Filesize

    4KB

  • memory/3908-141-0x0000000005DE0000-0x0000000005E1C000-memory.dmp

    Filesize

    240KB