Analysis

  • max time kernel
    300s
  • max time network
    328s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    21-09-2021 16:16

General

  • Target

    UPDATED e-STATEMENT..exe

  • Size

    872KB

  • MD5

    a3279da350cf134f736629e5e55c0a41

  • SHA1

    d28cc3a2cc3e16cf38634cab8db41aacebf4709b

  • SHA256

    fc9f8f3e66f8ea09953b7b5eba261ff36eb9a78a5f92787eb879420ee3bad581

  • SHA512

    248040d33716b6f7fb5c0764380c67489d2acdc52784b2d8020faa57f09edc383ab7ecd85c297ef2516698e2cfa92e7d8edc8fc0c510263e5a2b91e1f650d79b

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
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 52 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1212
    • C:\Users\Admin\AppData\Local\Temp\UPDATED e-STATEMENT..exe
      "C:\Users\Admin\AppData\Local\Temp\UPDATED e-STATEMENT..exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1824
      • C:\Users\Admin\AppData\Local\Temp\UPDATED e-STATEMENT..exe
        "{path}"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:568
        • C:\Windows\SysWOW64\wscript.exe
          "C:\Windows\SysWOW64\wscript.exe"
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1856
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Users\Admin\AppData\Local\Temp\UPDATED e-STATEMENT..exe"
            5⤵
            • Deletes itself
            PID:1728

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/568-70-0x00000000001E0000-0x00000000001F1000-memory.dmp
    Filesize

    68KB

  • memory/568-72-0x00000000002E0000-0x00000000002F1000-memory.dmp
    Filesize

    68KB

  • memory/568-68-0x000000000041D3A0-mapping.dmp
  • memory/568-67-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/568-69-0x0000000000940000-0x0000000000C43000-memory.dmp
    Filesize

    3.0MB

  • memory/1212-80-0x0000000003E20000-0x0000000003EDB000-memory.dmp
    Filesize

    748KB

  • memory/1212-73-0x0000000005000000-0x000000000514D000-memory.dmp
    Filesize

    1.3MB

  • memory/1212-71-0x0000000004E80000-0x0000000004FF6000-memory.dmp
    Filesize

    1.5MB

  • memory/1728-75-0x0000000000000000-mapping.dmp
  • memory/1824-66-0x0000000000AD0000-0x0000000000AFB000-memory.dmp
    Filesize

    172KB

  • memory/1824-60-0x0000000000860000-0x0000000000861000-memory.dmp
    Filesize

    4KB

  • memory/1824-65-0x0000000005AF0000-0x0000000005B6C000-memory.dmp
    Filesize

    496KB

  • memory/1824-64-0x000000007EF40000-0x000000007EF41000-memory.dmp
    Filesize

    4KB

  • memory/1824-63-0x00000000002B0000-0x00000000002BE000-memory.dmp
    Filesize

    56KB

  • memory/1824-62-0x00000000004D0000-0x00000000004D1000-memory.dmp
    Filesize

    4KB

  • memory/1856-74-0x0000000000000000-mapping.dmp
  • memory/1856-76-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1856-77-0x00000000000C0000-0x00000000000E9000-memory.dmp
    Filesize

    164KB

  • memory/1856-78-0x0000000001FF0000-0x00000000022F3000-memory.dmp
    Filesize

    3.0MB

  • memory/1856-79-0x0000000001EF0000-0x0000000001F80000-memory.dmp
    Filesize

    576KB