Analysis

  • max time kernel
    300s
  • max time network
    299s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22-09-2021 00:23

General

  • Target

    Payment Advice.exe

  • Size

    992KB

  • MD5

    4f25ed58038558b2e83f18896b245791

  • SHA1

    80be9861fa9f10581fc77e0c4a1405dd5042365d

  • SHA256

    03b8b680955c5827b5f80ace4afb923c2a5714cbe1b9ca579ab6f197b8826bc6

  • SHA512

    8e586af0f9214b59075811bb15779ef7460e436c18c1995c70d3aafb3c6cb4d5def9671ae829df49d294588845f34e997b9b293366f289b3c7f782b55aa6dd63

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

c2ue

C2

http://www.heidevelop.xyz/c2ue/

Decoy

isportdata.com

stellarex.energy

hsucollections.com

menuhaisan.com

joe-tzu.com

lumichargemktg.com

uae.tires

rapidcae.com

softwaresystemsolutions.com

s-galaxy.website

daewon-talks.net

northgamesnetwork.com

catalogue-bouyguestele.com

criativanet.com

theseasonalshift.com

actionfoto.online

openmaildoe.com

trashpenguin.com

ennopure.net

azurermine.com

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
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:908
      • C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:576
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\SysWOW64\svchost.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:416
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
        3⤵
          PID:2812

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/416-136-0x0000000003290000-0x0000000003320000-memory.dmp
      Filesize

      576KB

    • memory/416-134-0x0000000003520000-0x0000000003840000-memory.dmp
      Filesize

      3.1MB

    • memory/416-132-0x0000000000A10000-0x0000000000A1C000-memory.dmp
      Filesize

      48KB

    • memory/416-133-0x0000000002AC0000-0x0000000002AE9000-memory.dmp
      Filesize

      164KB

    • memory/416-131-0x0000000000000000-mapping.dmp
    • memory/576-126-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/576-128-0x0000000001320000-0x0000000001640000-memory.dmp
      Filesize

      3.1MB

    • memory/576-129-0x00000000012A0000-0x00000000012B1000-memory.dmp
      Filesize

      68KB

    • memory/576-127-0x000000000041D3A0-mapping.dmp
    • memory/908-125-0x0000000008F80000-0x0000000008FAB000-memory.dmp
      Filesize

      172KB

    • memory/908-120-0x00000000054C0000-0x00000000054C1000-memory.dmp
      Filesize

      4KB

    • memory/908-124-0x0000000008F00000-0x0000000008F7B000-memory.dmp
      Filesize

      492KB

    • memory/908-123-0x0000000008AA0000-0x0000000008AAE000-memory.dmp
      Filesize

      56KB

    • memory/908-122-0x000000007E8C0000-0x000000007E8C1000-memory.dmp
      Filesize

      4KB

    • memory/908-121-0x0000000005150000-0x00000000051E2000-memory.dmp
      Filesize

      584KB

    • memory/908-116-0x0000000005260000-0x0000000005261000-memory.dmp
      Filesize

      4KB

    • memory/908-114-0x0000000000770000-0x0000000000771000-memory.dmp
      Filesize

      4KB

    • memory/908-119-0x00000000051B0000-0x00000000051B1000-memory.dmp
      Filesize

      4KB

    • memory/908-118-0x0000000005300000-0x0000000005301000-memory.dmp
      Filesize

      4KB

    • memory/908-117-0x0000000005800000-0x0000000005801000-memory.dmp
      Filesize

      4KB

    • memory/2644-130-0x00000000052D0000-0x0000000005471000-memory.dmp
      Filesize

      1.6MB

    • memory/2644-137-0x0000000005480000-0x00000000055AB000-memory.dmp
      Filesize

      1.2MB

    • memory/2812-135-0x0000000000000000-mapping.dmp