Analysis

  • max time kernel
    148s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    15-02-2022 14:08

General

  • Target

    3ca5f2de332bcefd154a924a14ef268bb506e1bebfc8863e630d370de41e4aa9.exe

  • Size

    3.1MB

  • MD5

    bca63fa3eb3add2128ead0e0c099fd8c

  • SHA1

    105c8dd05963070a67e764975baba58789b7ef3a

  • SHA256

    3ca5f2de332bcefd154a924a14ef268bb506e1bebfc8863e630d370de41e4aa9

  • SHA512

    f9cf959092eae67f7c1ac7c7520e9644a371ef5f8acf7c6e2955e684c1aedc6c843c03207a167607dee7cd898dd168431966079c4220abb2c89db15e7f82de64

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\3ca5f2de332bcefd154a924a14ef268bb506e1bebfc8863e630d370de41e4aa9.exe
    "C:\Users\Admin\AppData\Local\Temp\3ca5f2de332bcefd154a924a14ef268bb506e1bebfc8863e630d370de41e4aa9.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:3584
  • 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:2564

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3148-141-0x000001A7C8420000-0x000001A7C8430000-memory.dmp

    Filesize

    64KB

  • memory/3148-142-0x000001A7C8480000-0x000001A7C8490000-memory.dmp

    Filesize

    64KB

  • memory/3148-143-0x000001A7CAB30000-0x000001A7CAB34000-memory.dmp

    Filesize

    16KB

  • memory/3584-130-0x0000000076840000-0x0000000076841000-memory.dmp

    Filesize

    4KB

  • memory/3584-131-0x0000000076F54000-0x0000000076F56000-memory.dmp

    Filesize

    8KB

  • memory/3584-134-0x0000000000410000-0x0000000000C44000-memory.dmp

    Filesize

    8.2MB

  • memory/3584-135-0x00000000744EE000-0x00000000744EF000-memory.dmp

    Filesize

    4KB

  • memory/3584-136-0x0000000006140000-0x0000000006758000-memory.dmp

    Filesize

    6.1MB

  • memory/3584-137-0x00000000059F0000-0x0000000005A02000-memory.dmp

    Filesize

    72KB

  • memory/3584-138-0x0000000005C30000-0x0000000005D3A000-memory.dmp

    Filesize

    1.0MB

  • memory/3584-139-0x0000000005B10000-0x0000000005B11000-memory.dmp

    Filesize

    4KB

  • memory/3584-140-0x0000000005A50000-0x0000000005A8C000-memory.dmp

    Filesize

    240KB