Analysis

  • max time kernel
    153s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    27-09-2021 20:06

General

  • Target

    E20210917ML-RFQ.exe

  • Size

    631KB

  • MD5

    4bb97838f22e7d33122a38105b252b9e

  • SHA1

    770a4807a1e32a8fbb765e3540d54c30bdd5c131

  • SHA256

    c507c6ca8c3d71feb2af8d83136736bd2407fef4a26c9e681426be5501d4742c

  • SHA512

    fd23aa8b75501d5a09fcb6c8c4ac2bc7406e0a73a7dc0215b3a1de8a4a31a418bee21fc750335c9de4652e62a7a9a4a409bf110d9a1bc49df9318ab38ba08cb5

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

a6er

C2

http://www.revivalgomghw.xyz/a6er/

Decoy

floetic.club

deepspotters.com

tibo-dev.tech

kcmade.xyz

haulseattle.com

ceroli-dolci.com

chenkaichuangke.com

citycloudconsulting.online

rusunmedical.com

ingeborg-art.com

asianm.art

private-clicks.com

metalcorpperu.com

beautifulingodseyes.com

phutungxenangnguoi.com

shots-photo.com

wirlessjuicers.com

sadyrossiiural.com

jiho9jye.xyz

molilii.com

Signatures

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Xloader Payload 3 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Users\Admin\AppData\Local\Temp\E20210917ML-RFQ.exe
      "C:\Users\Admin\AppData\Local\Temp\E20210917ML-RFQ.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1840
      • C:\Users\Admin\AppData\Local\Temp\E20210917ML-RFQ.exe
        "C:\Users\Admin\AppData\Local\Temp\E20210917ML-RFQ.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1172
    • C:\Windows\SysWOW64\mstsc.exe
      "C:\Windows\SysWOW64\mstsc.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:556
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\E20210917ML-RFQ.exe"
        3⤵
        • Deletes itself
        PID:1740

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/556-74-0x0000000000D00000-0x0000000000E04000-memory.dmp

    Filesize

    1.0MB

  • memory/556-77-0x0000000000990000-0x0000000000A20000-memory.dmp

    Filesize

    576KB

  • memory/556-76-0x0000000002210000-0x0000000002513000-memory.dmp

    Filesize

    3.0MB

  • memory/556-75-0x0000000000080000-0x00000000000A9000-memory.dmp

    Filesize

    164KB

  • memory/556-71-0x0000000000000000-mapping.dmp

  • memory/556-72-0x0000000074D91000-0x0000000074D93000-memory.dmp

    Filesize

    8KB

  • memory/1172-66-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1172-67-0x000000000041D430-mapping.dmp

  • memory/1172-68-0x0000000000890000-0x0000000000B93000-memory.dmp

    Filesize

    3.0MB

  • memory/1172-69-0x0000000000310000-0x0000000000321000-memory.dmp

    Filesize

    68KB

  • memory/1212-78-0x0000000005060000-0x000000000517B000-memory.dmp

    Filesize

    1.1MB

  • memory/1212-70-0x0000000006E90000-0x000000000701F000-memory.dmp

    Filesize

    1.6MB

  • memory/1740-73-0x0000000000000000-mapping.dmp

  • memory/1840-60-0x0000000000BD0000-0x0000000000BD1000-memory.dmp

    Filesize

    4KB

  • memory/1840-65-0x00000000004F0000-0x000000000051F000-memory.dmp

    Filesize

    188KB

  • memory/1840-64-0x0000000004FB0000-0x000000000500F000-memory.dmp

    Filesize

    380KB

  • memory/1840-63-0x0000000000320000-0x0000000000327000-memory.dmp

    Filesize

    28KB

  • memory/1840-62-0x0000000004E10000-0x0000000004E11000-memory.dmp

    Filesize

    4KB