Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    03-11-2021 08:34

General

  • Target

    d6742c917817f02e01ba40c61606b3707f373bb8d1f525b75b72b1802cd9b290.exe

  • Size

    907KB

  • MD5

    61d62155465f85f8fc4d44a89e7ae831

  • SHA1

    10e1e0c049b58ff662f960a3e5270bfb97c9868b

  • SHA256

    d6742c917817f02e01ba40c61606b3707f373bb8d1f525b75b72b1802cd9b290

  • SHA512

    b77514d0de8c8582a3773fd76b82049bdc8dbba090827531ff1452d6729bc74eeb389f69701bf38b8b45a7fcebec62d12c26d5abab7e0516bb5cf78dc7dbeb24

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

rqan

C2

http://www.cardboutiqueapp.com/rqan/

Decoy

panda.wiki

gailkannamassage.com

ungravitystudio.com

coraggiomusicschool.com

51walkerstreetrippleside.com

infemax.store

mapara-foundation.net

elitespeedwaxs.com

manateeprint.com

thelocksmithtradeshow.com

phoenix-out-of-ashes.com

marionkgregory.store

abasketofwords.com

century21nokta.com

anthonyaarnold.com

forevermyanmar.com

ramashi.com

uniquecarbonbrush.com

packecco.com

appelnacrtl.quest

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • 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
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 53 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 52 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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:3004
    • C:\Users\Admin\AppData\Local\Temp\d6742c917817f02e01ba40c61606b3707f373bb8d1f525b75b72b1802cd9b290.exe
      "C:\Users\Admin\AppData\Local\Temp\d6742c917817f02e01ba40c61606b3707f373bb8d1f525b75b72b1802cd9b290.exe"
      2⤵
      • Modifies system executable filetype association
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2748
      • C:\Users\Admin\AppData\Local\Temp\3582-490\d6742c917817f02e01ba40c61606b3707f373bb8d1f525b75b72b1802cd9b290.exe
        "C:\Users\Admin\AppData\Local\Temp\3582-490\d6742c917817f02e01ba40c61606b3707f373bb8d1f525b75b72b1802cd9b290.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:2696
        • C:\Windows\SysWOW64\DpiScaling.exe
          C:\Windows\System32\DpiScaling.exe
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:3160
    • 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
      PID:1248

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\d6742c917817f02e01ba40c61606b3707f373bb8d1f525b75b72b1802cd9b290.exe
    MD5

    c5cfef9b7b6b39513f276093d7ef2157

    SHA1

    9c2d4c4ac1017ac91a5bd956e6864cefcd0f2bec

    SHA256

    22a943a5c28c80163c59b4a42923050c5af77fe9cc919aee6d1aab569d684dc6

    SHA512

    4cb21736b9622ae2f6ed96ebb3d0e455253d1a61ebe428c464cd9e60bfb11dbcaf05a96a9c070dc4b012624e1fd2e333d518a704d3e15196938eb3143d556284

  • C:\Users\Admin\AppData\Local\Temp\3582-490\d6742c917817f02e01ba40c61606b3707f373bb8d1f525b75b72b1802cd9b290.exe
    MD5

    c5cfef9b7b6b39513f276093d7ef2157

    SHA1

    9c2d4c4ac1017ac91a5bd956e6864cefcd0f2bec

    SHA256

    22a943a5c28c80163c59b4a42923050c5af77fe9cc919aee6d1aab569d684dc6

    SHA512

    4cb21736b9622ae2f6ed96ebb3d0e455253d1a61ebe428c464cd9e60bfb11dbcaf05a96a9c070dc4b012624e1fd2e333d518a704d3e15196938eb3143d556284

  • C:\Users\Public\LIBRAR~1\Ounanmse\Ounanmse.exe
    MD5

    0833ede62314dd08b9e4695b15ef722c

    SHA1

    3b494f4a2f75ed949241cfcc97f8079069f7849a

    SHA256

    c8c32d83bebc919c393062ee041bcb6d7d4ab9a7605dbdb68cfbb8c5f076a3f1

    SHA512

    d223e9a8d52a6095ca483313026c0050b9f73e55e15b3dd3f4b4b014446a538830f4623fcdcc72d049882b03bc56b5b60a5a8703bc06ab139efb9e2e1ed1b1d7

  • memory/1248-129-0x0000000001090000-0x000000000138C000-memory.dmp
    Filesize

    3.0MB

  • memory/1248-132-0x0000000000D30000-0x0000000000DC0000-memory.dmp
    Filesize

    576KB

  • memory/1248-131-0x0000000004790000-0x0000000004AB0000-memory.dmp
    Filesize

    3.1MB

  • memory/1248-130-0x00000000007C0000-0x00000000007E9000-memory.dmp
    Filesize

    164KB

  • memory/1248-128-0x0000000000000000-mapping.dmp
  • memory/2696-118-0x0000000000570000-0x00000000006BA000-memory.dmp
    Filesize

    1.3MB

  • memory/2696-115-0x0000000000000000-mapping.dmp
  • memory/3004-133-0x0000000002740000-0x0000000002823000-memory.dmp
    Filesize

    908KB

  • memory/3004-127-0x00000000025C0000-0x0000000002671000-memory.dmp
    Filesize

    708KB

  • memory/3160-120-0x0000000000000000-mapping.dmp
  • memory/3160-125-0x0000000004D60000-0x0000000005080000-memory.dmp
    Filesize

    3.1MB

  • memory/3160-126-0x0000000004980000-0x0000000004991000-memory.dmp
    Filesize

    68KB

  • memory/3160-121-0x0000000000BB0000-0x0000000000BB1000-memory.dmp
    Filesize

    4KB

  • memory/3160-122-0x0000000073280000-0x00000000732A9000-memory.dmp
    Filesize

    164KB