Analysis

  • max time kernel
    4294208s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    21-03-2022 18:09

General

  • Target

    tmp.exe

  • Size

    454KB

  • MD5

    c23297d589c6a9806eb81019b2c9eb3b

  • SHA1

    f5881870b7fdebdad9b760f12b8875cd2fa0be21

  • SHA256

    1b77ac028b4a0c0c9262c945bb5480ec1bbfa3503b547fd11d34735d87245548

  • SHA512

    20ce29047049c33d51fcd84961bbad6890527e1debf76ff783b5207c5f86e823c502c7d74e23706c2ce505e8eb39aa8379486957bcb0739a56cc4cff8dd47224

Score
10/10

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

pnug

Decoy

natureate.com

ita-pots.website

sucohansmushroom.com

produrielrosen.com

gosystemupdatenow.online

jiskra.art

janwiench.com

norfolkfoodhall.com

iloveaddictss.com

pogozip.com

buyinstapva.com

teardirectionfreedom.xyz

0205168.com

apaixonadosporpugs.online

jawscoinc.com

crafter.quest

wikipedianow.com

radiopuls.net

kendama-co.com

goodstudycanada.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 3 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). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 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 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:948
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:1680
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1344
    • 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:516
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
        3⤵
        • Deletes itself
        PID:1356

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nst346B.tmp\dizovdsybw.dll
    MD5

    5f20dd330771ce1f940c7e7bd9387a4e

    SHA1

    3c9e98fc0f1a295b7223d2257bc9b6fa60db0863

    SHA256

    770bd65aae4622101ff91ad1beccfb4e7edc20f175b0303eb6d37efa2c5c582f

    SHA512

    0eda4b68a7e1a1cbc3c5952d0bdc6c19423f23dcd9f14b83bd3f82e17bca2ce5fbdae4839e3014a21f1afa014d6b59c997cc7e9a86d9fbe8bc31f504eed583c1

  • memory/516-64-0x0000000000080000-0x00000000000A9000-memory.dmp
    Filesize

    164KB

  • memory/516-66-0x0000000000530000-0x00000000005C0000-memory.dmp
    Filesize

    576KB

  • memory/516-65-0x0000000000770000-0x0000000000A73000-memory.dmp
    Filesize

    3.0MB

  • memory/516-63-0x0000000000C50000-0x0000000000C56000-memory.dmp
    Filesize

    24KB

  • memory/948-56-0x0000000000460000-0x0000000000462000-memory.dmp
    Filesize

    8KB

  • memory/948-54-0x0000000075D01000-0x0000000075D03000-memory.dmp
    Filesize

    8KB

  • memory/1344-67-0x0000000004DE0000-0x0000000004EE9000-memory.dmp
    Filesize

    1.0MB

  • memory/1344-62-0x0000000003E50000-0x0000000003F43000-memory.dmp
    Filesize

    972KB

  • memory/1680-57-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1680-61-0x00000000002C0000-0x00000000002D1000-memory.dmp
    Filesize

    68KB

  • memory/1680-60-0x0000000000930000-0x0000000000C33000-memory.dmp
    Filesize

    3.0MB

  • memory/1680-59-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB