Analysis

  • max time kernel
    93s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-02-2024 00:24

General

  • Target

    Step 2.exe

  • Size

    768KB

  • MD5

    1190ee286c388cb30bd69c4c5794e8ae

  • SHA1

    46989c651074a4a54aae4b099a50ea89574de97e

  • SHA256

    6447b651b215d5013d194f5ca027acb86f230227622299f6e190ca1292143bd8

  • SHA512

    76d90592f33d801a727d0468b99cf9ef052bb92df24183d2abbbf7e992d741672c18907fe9a2dccd1bde0dab232790313a025922a1b5e3857477ef6cec784599

  • SSDEEP

    12288:Zghny9HB+dzpEeHZnPNJIm2nuW/CXksrtKx1Z:Iny9HB+dNEiR2uWsroxD

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Step 2.exe
    "C:\Users\Admin\AppData\Local\Temp\Step 2.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4100
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe"
      2⤵
      • Executes dropped EXE
      PID:4916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe

    Filesize

    4KB

    MD5

    a5ce3aba68bdb438e98b1d0c70a3d95c

    SHA1

    013f5aa9057bf0b3c0c24824de9d075434501354

    SHA256

    9b860be98a046ea97a7f67b006e0b1bc9ab7731dd2a0f3a9fd3d710f6c43278a

    SHA512

    7446f1256873b51a59b9d2d3498cef5a41dbce55864c2a5fb8cb7d25f7d6e6d8ea249d551a45b75d99b1ad0d6fb4b5e4544e5ca77bcd627717d6598b5f566a79

  • memory/4100-13-0x0000000005CB0000-0x0000000005D42000-memory.dmp

    Filesize

    584KB

  • memory/4100-33-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/4100-6-0x0000000005370000-0x0000000005988000-memory.dmp

    Filesize

    6.1MB

  • memory/4100-7-0x0000000004D00000-0x0000000004D12000-memory.dmp

    Filesize

    72KB

  • memory/4100-8-0x0000000004E60000-0x0000000004F6A000-memory.dmp

    Filesize

    1.0MB

  • memory/4100-9-0x0000000004D90000-0x0000000004DCC000-memory.dmp

    Filesize

    240KB

  • memory/4100-10-0x0000000004DD0000-0x0000000004E1C000-memory.dmp

    Filesize

    304KB

  • memory/4100-14-0x0000000005D50000-0x0000000005DC6000-memory.dmp

    Filesize

    472KB

  • memory/4100-12-0x0000000006180000-0x0000000006724000-memory.dmp

    Filesize

    5.6MB

  • memory/4100-5-0x0000000004D40000-0x0000000004D50000-memory.dmp

    Filesize

    64KB

  • memory/4100-11-0x0000000005090000-0x00000000050F6000-memory.dmp

    Filesize

    408KB

  • memory/4100-15-0x0000000005F10000-0x0000000005F2E000-memory.dmp

    Filesize

    120KB

  • memory/4100-16-0x0000000006780000-0x00000000067D0000-memory.dmp

    Filesize

    320KB

  • memory/4100-17-0x0000000007F00000-0x00000000080C2000-memory.dmp

    Filesize

    1.8MB

  • memory/4100-18-0x0000000008600000-0x0000000008B2C000-memory.dmp

    Filesize

    5.2MB

  • memory/4100-4-0x0000000074AE0000-0x0000000075290000-memory.dmp

    Filesize

    7.7MB

  • memory/4100-0-0x0000000000730000-0x00000000007C2000-memory.dmp

    Filesize

    584KB

  • memory/4916-32-0x00000000008A0000-0x00000000008A8000-memory.dmp

    Filesize

    32KB

  • memory/4916-34-0x00007FFD94A50000-0x00007FFD95511000-memory.dmp

    Filesize

    10.8MB

  • memory/4916-35-0x00007FFD94A50000-0x00007FFD95511000-memory.dmp

    Filesize

    10.8MB