Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    03-05-2021 10:51

General

  • Target

    don.exe

  • Size

    207KB

  • MD5

    6ca72f0ceaf0d1f582856ceeff594c1d

  • SHA1

    c174f3350fb589beea7759eade0f5be0d7959d2c

  • SHA256

    7e9997ea452090062e0512decd987ccd4ad16cc04d8bea777a4c8929b5ba85aa

  • SHA512

    3018288f3125203a8d71b20a962ec672e3b256b4ce30b85dbe155e81355570d1803e72b10c2a8c1f0a34a984eb1ec1adfd7db5a2ca873a654564ae654f9e700f

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.montcoimmigrationlawyer.com/uoe8/

Decoy

chalance.design

certifiedlaywernj.com

bsbgraphic.com

caeka.com

zagorafinancial.com

cvingenieriacivil.net

mojilifenoosa.com

bucktheherd.net

sparkmonic.com

catherineandwilson.com

cdefenders.com

intersp.net

santoriniimpressivetours.net

arkansaspaymentrelief.com

tewab.com

bjzjgjg.com

michgoliki.com

oallahplease.com

plaisterpress.com

redyroblx.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 2 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:1248
    • C:\Users\Admin\AppData\Local\Temp\don.exe
      "C:\Users\Admin\AppData\Local\Temp\don.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:1088
      • C:\Users\Admin\AppData\Local\Temp\don.exe
        "C:\Users\Admin\AppData\Local\Temp\don.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1240
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\SysWOW64\cmd.exe"
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:1636
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Users\Admin\AppData\Local\Temp\don.exe"
            5⤵
            • Deletes itself
            PID:1532

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsn2CCD.tmp\7b2cj29fa3g7q.dll

    MD5

    577e21212f3f34fe2aaf20f33eee5754

    SHA1

    e28e898f2fce097c37ddbff51650f686e22c9ac2

    SHA256

    21959f75704d50a6b7744b63a002365bee692cd085fd8a0b02b738fb83562301

    SHA512

    a5d3f69bd5d560b69710bd528ad49fdff4c072d7628938e0f9969044ffd57b0574a7d1fbe117cb4447ed102798b9750bc50e569612384cfe9a810858afec673b

  • memory/1088-62-0x0000000001D30000-0x0000000001D32000-memory.dmp

    Filesize

    8KB

  • memory/1088-59-0x0000000075281000-0x0000000075283000-memory.dmp

    Filesize

    8KB

  • memory/1240-67-0x00000000003A0000-0x00000000003B1000-memory.dmp

    Filesize

    68KB

  • memory/1240-64-0x0000000000800000-0x0000000000B03000-memory.dmp

    Filesize

    3.0MB

  • memory/1240-65-0x00000000002C0000-0x00000000002D1000-memory.dmp

    Filesize

    68KB

  • memory/1240-61-0x000000000041D0A0-mapping.dmp

  • memory/1240-63-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1248-75-0x0000000006AC0000-0x0000000006B93000-memory.dmp

    Filesize

    844KB

  • memory/1248-66-0x0000000006EE0000-0x0000000007053000-memory.dmp

    Filesize

    1.4MB

  • memory/1248-68-0x0000000004190000-0x000000000423F000-memory.dmp

    Filesize

    700KB

  • memory/1532-70-0x0000000000000000-mapping.dmp

  • memory/1636-69-0x0000000000000000-mapping.dmp

  • memory/1636-72-0x00000000000C0000-0x00000000000E9000-memory.dmp

    Filesize

    164KB

  • memory/1636-73-0x0000000002020000-0x0000000002323000-memory.dmp

    Filesize

    3.0MB

  • memory/1636-74-0x0000000001D50000-0x0000000001DE0000-memory.dmp

    Filesize

    576KB

  • memory/1636-71-0x000000004A800000-0x000000004A84C000-memory.dmp

    Filesize

    304KB