Overview

overview

10

Static

static

tmp.exe

windows7_x64

10

tmp.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    06-07-2022 13:35

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General

  • Target

    tmp.exe

  • Size

    786KB

  • MD5

    c2f01c67a0c58c003471e245e1f57c8d

  • SHA1

    89fe34fa4f3842bed5a54d766ad42f4ec2c06388

  • SHA256

    8eab152e98f112c4706065bc1019945d06578407cf72b44db8687e8cdb2c7643

  • SHA512

    9721edb7328d6a1d47a3d7c3f61ef075f29f156c5047b23281d5eae70708bcf17933a53f2adf73e0161f18b5231681582b92092ab24243215b86bab313ca3894

Score
10/10
xloaderzzunloaderratsuricata

Malware Config

Extracted

Family

xloader

Version

2.9

Campaign

zzun

Decoy

JnNtRHyNupy0GqRzAcasu7hb4rc=

Qv593NGLE7p9UNSaVkPXljAJm2QCNnc=

ePArIFWvjkkMgVEVhw4M4Jk=

26rqUwJ7dD0AiDI=

pBAxMHeK741QFw==

kHD7TPt5846pUMTX

56UnjFjHL1i0j659h3LymRnHpQj+SshC

4vKlKHflPqmWXRbrRwfPtrhb4rc=

6LBd4qButFAi

phMzGll8Ue7Fu+inq5cdnPaSugG3

NKswiQGCvZoG5FgsdHEI

rtTHnuUY8M1qVcXV

SOmECrlAt2oGAA==

L1ep9adutFAi

/UE+/AyvE6uEl28weFI=

IP+xMPQxJR4NE6TK

xvW5GN9/rqA5YUoOVt185Sf7Uw==

fRFNW9DhxL6VF7LA

KFYTfkaY741QFw==

W4JGvMBmt2oGAA==

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

    loaderxloader
  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata
  • Xloader Payload 4 IoCs
    rat
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 53 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3144
    • 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 use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2272
      • C:\Users\Admin\AppData\Local\Temp\tmp.exe
        "{path}"
        3⤵
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:4372
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\SysWOW64\explorer.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2236
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
        3⤵
          PID:3032

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

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    Downloads

    • memory/2236-146-0x0000000002FB0000-0x00000000032FA000-memory.dmp
      Filesize

      3.3MB

      Download
    • memory/2236-144-0x0000000000B40000-0x0000000000F73000-memory.dmp
      Filesize

      4.2MB

      Download
    • memory/2236-147-0x0000000002E20000-0x0000000002EB0000-memory.dmp
      Filesize

      576KB

      Download
    • memory/2236-145-0x0000000000910000-0x000000000093C000-memory.dmp
      Filesize

      176KB

      Download
    • memory/2236-148-0x0000000000910000-0x000000000093C000-memory.dmp
      Filesize

      176KB

      Download
    • memory/2236-141-0x0000000000000000-mapping.dmp
      Download
    • memory/2272-131-0x00000000052C0000-0x0000000005864000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/2272-132-0x0000000004EB0000-0x0000000004F42000-memory.dmp
      Filesize

      584KB

      Download
    • memory/2272-133-0x0000000004F50000-0x0000000004FEC000-memory.dmp
      Filesize

      624KB

      Download
    • memory/2272-134-0x0000000004E50000-0x0000000004E5A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/2272-130-0x0000000000040000-0x000000000010A000-memory.dmp
      Filesize

      808KB

      Download
    • memory/3032-143-0x0000000000000000-mapping.dmp
      Download
    • memory/3144-150-0x0000000007F00000-0x000000000806D000-memory.dmp
      Filesize

      1.4MB

      Download
    • memory/3144-140-0x0000000002600000-0x000000000273E000-memory.dmp
      Filesize

      1.2MB

      Download
    • memory/3144-149-0x0000000007F00000-0x000000000806D000-memory.dmp
      Filesize

      1.4MB

      Download
    • memory/4372-135-0x0000000000000000-mapping.dmp
      Download
    • memory/4372-142-0x0000000000400000-0x000000000042C000-memory.dmp
      Filesize

      176KB

      Download
    • memory/4372-136-0x0000000000400000-0x000000000042C000-memory.dmp
      Filesize

      176KB

      Download
    • memory/4372-138-0x0000000000F30000-0x000000000127A000-memory.dmp
      Filesize

      3.3MB

      Download
    • memory/4372-139-0x0000000000EE0000-0x0000000000EF1000-memory.dmp
      Filesize

      68KB

      Download