Analysis

  • max time kernel
    162s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    15-02-2022 15:05

General

  • Target

    1ff585c0ab541e23ff0e1ede99ae2990762dbe6baede7daf506d32b2b312f657.exe

  • Size

    3.1MB

  • MD5

    af3e7014917b5f3bda7b6e7c9599b360

  • SHA1

    a56f3c0a7964f0cbab794ed064eee7c07a360f77

  • SHA256

    1ff585c0ab541e23ff0e1ede99ae2990762dbe6baede7daf506d32b2b312f657

  • SHA512

    d14e5ad67eec4a41ac08505a9178634717da265b9a91c1784a79a3e5a77c37dc62ddf58d8044812bb964229bf54146699b83bdb2dac2d713bc7e3b47eb64be6b

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\1ff585c0ab541e23ff0e1ede99ae2990762dbe6baede7daf506d32b2b312f657.exe
    "C:\Users\Admin\AppData\Local\Temp\1ff585c0ab541e23ff0e1ede99ae2990762dbe6baede7daf506d32b2b312f657.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:5112
  • 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:1788

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    4KB

  • memory/3584-131-0x0000000076840000-0x0000000076841000-memory.dmp

    Filesize

    4KB

  • memory/3584-132-0x0000000076840000-0x0000000076841000-memory.dmp

    Filesize

    4KB

  • memory/3584-133-0x0000000076840000-0x0000000076841000-memory.dmp

    Filesize

    4KB

  • memory/3584-134-0x0000000076840000-0x0000000076841000-memory.dmp

    Filesize

    4KB

  • memory/3584-135-0x0000000076F54000-0x0000000076F56000-memory.dmp

    Filesize

    8KB

  • memory/3584-139-0x0000000000A50000-0x0000000001362000-memory.dmp

    Filesize

    9.1MB

  • memory/3584-140-0x00000000744EE000-0x00000000744EF000-memory.dmp

    Filesize

    4KB

  • memory/3584-141-0x0000000006600000-0x0000000006C18000-memory.dmp

    Filesize

    6.1MB

  • memory/3584-142-0x0000000005EC0000-0x0000000005ED2000-memory.dmp

    Filesize

    72KB

  • memory/3584-143-0x00000000060F0000-0x00000000061FA000-memory.dmp

    Filesize

    1.0MB

  • memory/3584-144-0x0000000005F20000-0x0000000005F5C000-memory.dmp

    Filesize

    240KB

  • memory/3584-145-0x0000000005FD0000-0x0000000005FD1000-memory.dmp

    Filesize

    4KB

  • memory/5112-146-0x0000022514150000-0x0000022514160000-memory.dmp

    Filesize

    64KB

  • memory/5112-147-0x0000022514820000-0x0000022514830000-memory.dmp

    Filesize

    64KB

  • memory/5112-148-0x0000022516ED0000-0x0000022516ED4000-memory.dmp

    Filesize

    16KB