Analysis

  • max time kernel
    147s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    31-03-2024 15:54

General

  • Target

    Unpaid invoice.exe

  • Size

    450KB

  • MD5

    98d2d5ac3bd493d77f0a7300a43d045b

  • SHA1

    7fdd3b9b76f2c40df10def7ec3aa25c4fb192ec7

  • SHA256

    1bbc8a34b7590c1593c5a79a8d0f93b17a162f44893c37aa11e4cb9e0e2d96bf

  • SHA512

    32b7aa0518d6b41864d0f6f90d397cd377244b8f6af07178252aeb5b7ecf57e347c2aa2a3a4d94327d799bfcf8fe87b5c8164b0102c64258fd55a4c024ad0ef3

  • SSDEEP

    12288:g4fXqKkoo4mdIaFOyzsfUvCqqTb+3e3DcGv2:9PbkoodWaEXU6P/2

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

b2c0

Decoy

bjyxszd520.xyz

hsvfingerprinting.com

elliotpioneer.com

bf396.com

chinaopedia.com

6233v.com

shopeuphoricapparel.com

loccssol.store

truefictionpictures.com

playstarexch.com

peruviancoffee.store

shobhajoshi.com

philme.net

avito-rules.com

independencehomecenters.com

atp-cayenne.com

invetorsbank.com

sasanos.com

scentfreebnb.com

catfuid.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader payload 4 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1196
    • C:\Users\Admin\AppData\Local\Temp\Unpaid invoice.exe
      "C:\Users\Admin\AppData\Local\Temp\Unpaid invoice.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2868
      • C:\Users\Admin\AppData\Local\Temp\Unpaid invoice.exe
        "C:\Users\Admin\AppData\Local\Temp\Unpaid invoice.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2532
    • C:\Windows\SysWOW64\help.exe
      "C:\Windows\SysWOW64\help.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2988
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\Unpaid invoice.exe"
        3⤵
        • Deletes itself
        PID:2504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsy6633.tmp\gyalquzbu.dll

    Filesize

    33KB

    MD5

    a8caa6d267951ad22e835233b5e50c46

    SHA1

    45c722c5958d99727a95d30eaa3032203d1f4ab2

    SHA256

    db7b70b0734285b8d9a1f3617e55603b0cb649d9bf0b7fbf8988c44e684f4e76

    SHA512

    9ee74bf576554210f8923dda8aa28f6dc7f3c5aa52da7b48a94beaf56cb4e27f1c3d0387cc9116e467631bc13c0e743341129bffa84b9db16ace1248a53b4cd7

  • memory/1196-11-0x0000000003890000-0x0000000003990000-memory.dmp

    Filesize

    1024KB

  • memory/1196-25-0x0000000007170000-0x00000000072AD000-memory.dmp

    Filesize

    1.2MB

  • memory/1196-14-0x0000000007170000-0x00000000072AD000-memory.dmp

    Filesize

    1.2MB

  • memory/2532-12-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2532-13-0x00000000003D0000-0x00000000003E1000-memory.dmp

    Filesize

    68KB

  • memory/2532-9-0x0000000000950000-0x0000000000C53000-memory.dmp

    Filesize

    3.0MB

  • memory/2532-8-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/2988-18-0x0000000000950000-0x0000000000956000-memory.dmp

    Filesize

    24KB

  • memory/2988-15-0x0000000000950000-0x0000000000956000-memory.dmp

    Filesize

    24KB

  • memory/2988-19-0x0000000000080000-0x00000000000A9000-memory.dmp

    Filesize

    164KB

  • memory/2988-20-0x0000000000960000-0x0000000000C63000-memory.dmp

    Filesize

    3.0MB

  • memory/2988-21-0x0000000000080000-0x00000000000A9000-memory.dmp

    Filesize

    164KB

  • memory/2988-23-0x0000000000350000-0x00000000003E0000-memory.dmp

    Filesize

    576KB