Analysis

  • max time kernel
    153s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    15-02-2022 19:25

General

  • Target

    TNT Original Invoice.exe

  • Size

    759KB

  • MD5

    03fe2e5b5e59253d0815b2e121fa1e30

  • SHA1

    eed9bbbb504bf208449c764fece9ccec3f23e771

  • SHA256

    08e2b0e469f2809991e59e65177fe994f3aeeea601a2af8aec6c7ae1406debb0

  • SHA512

    a032b27abca34d611e4073453e04d9b2ffcfec8c239eca5aa10203117013b1b872031ac9ac42ebb174acd8acf49f6a1505940826e1900eef05fca1cf6ba6f09c

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

zqzw

Decoy

laurentmathieu.com

nohohonndana.com

hhmc.info

shophallows.com

blazebunk.com

goodbridge.xyz

flakycloud.com

bakermckenziegroups.com

formation-adistance.com

lovingearthbotanicals.com

tbrservice.plus

heritagehousehotels.com

drwbuildersco.com

lacsghb.com

wain3x.com

dadreview.club

continiutycp.com

cockgirls.com

48mpt.xyz

033skz.xyz

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Xloader Payload 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Windows directory 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:992
    • C:\Users\Admin\AppData\Local\Temp\TNT Original Invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\TNT Original Invoice.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:5064
      • C:\Users\Admin\AppData\Local\Temp\TNT Original Invoice.exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        PID:1580
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:3796
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\TNT Original Invoice.exe"
        3⤵
          PID:4596
    • 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:1872
    • 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:2264

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/992-144-0x00000000084F0000-0x0000000008620000-memory.dmp

      Filesize

      1.2MB

    • memory/992-151-0x0000000008620000-0x0000000008731000-memory.dmp

      Filesize

      1.1MB

    • memory/1580-146-0x0000000001780000-0x0000000001791000-memory.dmp

      Filesize

      68KB

    • memory/1580-140-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/1580-145-0x0000000001430000-0x000000000177A000-memory.dmp

      Filesize

      3.3MB

    • memory/1580-142-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/1580-143-0x000000000041D000-0x000000000041E000-memory.dmp

      Filesize

      4KB

    • memory/1872-137-0x0000021ACF390000-0x0000021ACF3A0000-memory.dmp

      Filesize

      64KB

    • memory/1872-139-0x0000021AD2770000-0x0000021AD2774000-memory.dmp

      Filesize

      16KB

    • memory/1872-138-0x0000021ACFB60000-0x0000021ACFB70000-memory.dmp

      Filesize

      64KB

    • memory/3796-147-0x0000000000AE0000-0x0000000000B3A000-memory.dmp

      Filesize

      360KB

    • memory/3796-150-0x0000000000EA0000-0x0000000000F30000-memory.dmp

      Filesize

      576KB

    • memory/3796-149-0x0000000000FB0000-0x00000000012FA000-memory.dmp

      Filesize

      3.3MB

    • memory/3796-148-0x0000000000350000-0x0000000000379000-memory.dmp

      Filesize

      164KB

    • memory/5064-136-0x00000000050B0000-0x00000000050BA000-memory.dmp

      Filesize

      40KB

    • memory/5064-130-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

      Filesize

      4KB

    • memory/5064-134-0x0000000005220000-0x00000000052BC000-memory.dmp

      Filesize

      624KB

    • memory/5064-132-0x0000000005730000-0x0000000005CD4000-memory.dmp

      Filesize

      5.6MB

    • memory/5064-135-0x0000000005060000-0x0000000005061000-memory.dmp

      Filesize

      4KB

    • memory/5064-133-0x0000000005180000-0x0000000005212000-memory.dmp

      Filesize

      584KB

    • memory/5064-131-0x0000000000780000-0x0000000000844000-memory.dmp

      Filesize

      784KB