Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    19-04-2022 13:14

General

  • Target

    dekont 2022.exe

  • Size

    219KB

  • MD5

    b432fee7f4857a9ad25f143b2ac645a9

  • SHA1

    cd7beb58da064e0caebcc5604893bb3be6568b45

  • SHA256

    413e58ab30e56edfaa7899ebe3fc8655314c993db5a0d1840100752ba6be0be0

  • SHA512

    55558e311529a70cbb6406ea0e1bf409328960e23ee0bb961768ea5c11dd2476da8dd2cc12cff2945fc8e97ba9f99342c866c9b91fc47a42e082178bd3144ec8

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

cbgo

Decoy

santesha.com

britneysbeautybar.com

sh-cy17.com

jeffcarveragency.com

3117111.com

sobrehosting.net

ddm123.xyz

toxcompliance.com

auditorydesigns.com

vliftfacial.com

ielhii.com

naameliss.com

ritualchariot.com

solchange.com

quatre-vingts.design

lawnmowermashine.com

braceletsstore.net

admappy.com

tollivercoltd.com

vaidix.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 27 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1428
    • C:\Users\Admin\AppData\Local\Temp\dekont 2022.exe
      "C:\Users\Admin\AppData\Local\Temp\dekont 2022.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1644
      • C:\Users\Admin\AppData\Local\Temp\mjabhrxdeb.exe
        C:\Users\Admin\AppData\Local\Temp\mjabhrxdeb.exe C:\Users\Admin\AppData\Local\Temp\snialyaeho
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1736
        • C:\Users\Admin\AppData\Local\Temp\mjabhrxdeb.exe
          C:\Users\Admin\AppData\Local\Temp\mjabhrxdeb.exe C:\Users\Admin\AppData\Local\Temp\snialyaeho
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:1708
    • C:\Windows\SysWOW64\wscript.exe
      "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1128
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\mjabhrxdeb.exe"
        3⤵
          PID:2016

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\mjabhrxdeb.exe
      Filesize

      65KB

      MD5

      ebc78b15b08cbdbe9d97f4c4a1d2f581

      SHA1

      3b11c202e6a2fe5bf518854f6ba5aa722fed1cf5

      SHA256

      133d4e616c1d84e1210cbc95408fb9fa7c95647b964dc9d93cf0da0f18cec736

      SHA512

      6f93407a01c2a68de283a96b73a08f737de90c26c6781bc2b1c133b667d0fbc8ba14df0cb24a6915956d6e00c964b0a58301893a583141c8f580b009570cecdd

    • C:\Users\Admin\AppData\Local\Temp\mjabhrxdeb.exe
      Filesize

      65KB

      MD5

      ebc78b15b08cbdbe9d97f4c4a1d2f581

      SHA1

      3b11c202e6a2fe5bf518854f6ba5aa722fed1cf5

      SHA256

      133d4e616c1d84e1210cbc95408fb9fa7c95647b964dc9d93cf0da0f18cec736

      SHA512

      6f93407a01c2a68de283a96b73a08f737de90c26c6781bc2b1c133b667d0fbc8ba14df0cb24a6915956d6e00c964b0a58301893a583141c8f580b009570cecdd

    • C:\Users\Admin\AppData\Local\Temp\mjabhrxdeb.exe
      Filesize

      65KB

      MD5

      ebc78b15b08cbdbe9d97f4c4a1d2f581

      SHA1

      3b11c202e6a2fe5bf518854f6ba5aa722fed1cf5

      SHA256

      133d4e616c1d84e1210cbc95408fb9fa7c95647b964dc9d93cf0da0f18cec736

      SHA512

      6f93407a01c2a68de283a96b73a08f737de90c26c6781bc2b1c133b667d0fbc8ba14df0cb24a6915956d6e00c964b0a58301893a583141c8f580b009570cecdd

    • C:\Users\Admin\AppData\Local\Temp\rd0vbkwpvw
      Filesize

      163KB

      MD5

      519f332951512ab70b509950d645576b

      SHA1

      4edb7ad778e85239cb03122e7fa2d80eb3b59f89

      SHA256

      213c9ea7d346397bfafeeb6cf96a92ff1072c870b47054eea468bbc856c3d801

      SHA512

      e4f81a56334d069368870dfdb80830d9ae8e4f290ad12b1b221be67365c1359d102395ddef7a3dad4e0cc35960fb598c0ffb680eda3004436a6b8861bafa27af

    • C:\Users\Admin\AppData\Local\Temp\snialyaeho
      Filesize

      5KB

      MD5

      48c66b750085965860331ce2e105fec7

      SHA1

      95c87505daf5e871e5fc0f6e67a5ed9a38be818a

      SHA256

      3b9903268cf9e95f2ebb8275bc67230eefa3b59f8cfff1b7e9119473366017a2

      SHA512

      18358a00a936b4f58052477c5b1f6894cd994916ae94c606fed7fffc5280ba0e73d77a5f89781c5a5d974fca97c8d1b14bd760b5e138cc0d03f1c5f444cb3c16

    • \Users\Admin\AppData\Local\Temp\mjabhrxdeb.exe
      Filesize

      65KB

      MD5

      ebc78b15b08cbdbe9d97f4c4a1d2f581

      SHA1

      3b11c202e6a2fe5bf518854f6ba5aa722fed1cf5

      SHA256

      133d4e616c1d84e1210cbc95408fb9fa7c95647b964dc9d93cf0da0f18cec736

      SHA512

      6f93407a01c2a68de283a96b73a08f737de90c26c6781bc2b1c133b667d0fbc8ba14df0cb24a6915956d6e00c964b0a58301893a583141c8f580b009570cecdd

    • \Users\Admin\AppData\Local\Temp\mjabhrxdeb.exe
      Filesize

      65KB

      MD5

      ebc78b15b08cbdbe9d97f4c4a1d2f581

      SHA1

      3b11c202e6a2fe5bf518854f6ba5aa722fed1cf5

      SHA256

      133d4e616c1d84e1210cbc95408fb9fa7c95647b964dc9d93cf0da0f18cec736

      SHA512

      6f93407a01c2a68de283a96b73a08f737de90c26c6781bc2b1c133b667d0fbc8ba14df0cb24a6915956d6e00c964b0a58301893a583141c8f580b009570cecdd

    • \Users\Admin\AppData\Local\Temp\mjabhrxdeb.exe
      Filesize

      65KB

      MD5

      ebc78b15b08cbdbe9d97f4c4a1d2f581

      SHA1

      3b11c202e6a2fe5bf518854f6ba5aa722fed1cf5

      SHA256

      133d4e616c1d84e1210cbc95408fb9fa7c95647b964dc9d93cf0da0f18cec736

      SHA512

      6f93407a01c2a68de283a96b73a08f737de90c26c6781bc2b1c133b667d0fbc8ba14df0cb24a6915956d6e00c964b0a58301893a583141c8f580b009570cecdd

    • memory/1128-71-0x0000000000000000-mapping.dmp
    • memory/1128-73-0x00000000002E0000-0x0000000000306000-memory.dmp
      Filesize

      152KB

    • memory/1128-76-0x0000000001EC0000-0x0000000001F50000-memory.dmp
      Filesize

      576KB

    • memory/1128-75-0x0000000001F60000-0x0000000002263000-memory.dmp
      Filesize

      3.0MB

    • memory/1128-74-0x00000000000B0000-0x00000000000D9000-memory.dmp
      Filesize

      164KB

    • memory/1428-77-0x0000000004A50000-0x0000000004B1B000-memory.dmp
      Filesize

      812KB

    • memory/1428-70-0x00000000068C0000-0x0000000006A0C000-memory.dmp
      Filesize

      1.3MB

    • memory/1644-54-0x0000000076781000-0x0000000076783000-memory.dmp
      Filesize

      8KB

    • memory/1708-64-0x0000000000400000-0x0000000000429000-memory.dmp
      Filesize

      164KB

    • memory/1708-69-0x00000000002B0000-0x00000000002C1000-memory.dmp
      Filesize

      68KB

    • memory/1708-68-0x0000000000850000-0x0000000000B53000-memory.dmp
      Filesize

      3.0MB

    • memory/1708-65-0x000000000041D450-mapping.dmp
    • memory/1736-57-0x0000000000000000-mapping.dmp
    • memory/2016-72-0x0000000000000000-mapping.dmp