Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    03-11-2021 08:23

General

  • Target

    9f71ef7a27369674f7f5bb4f6203358a6485fcbd0c25f0c80272364716a73dea.exe

  • Size

    1023KB

  • MD5

    34c80f81e518370f859cc9f2454e6d83

  • SHA1

    dbb94e0f0a99558b8786a2c2ce3322ba281e7f9c

  • SHA256

    9f71ef7a27369674f7f5bb4f6203358a6485fcbd0c25f0c80272364716a73dea

  • SHA512

    6d458b21e8beb210a3a385a56fba3c362e9e74d1005a59a2a735ab593c8a298559b7fc96c32dc6e4659a64c3010c19436af6f499ad5ced84322ecbfa17222a8c

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 48 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:2872
    • C:\Users\Admin\AppData\Local\Temp\9f71ef7a27369674f7f5bb4f6203358a6485fcbd0c25f0c80272364716a73dea.exe
      "C:\Users\Admin\AppData\Local\Temp\9f71ef7a27369674f7f5bb4f6203358a6485fcbd0c25f0c80272364716a73dea.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:4384
      • C:\Users\Admin\AppData\Local\Temp\3582-490\9f71ef7a27369674f7f5bb4f6203358a6485fcbd0c25f0c80272364716a73dea.exe
        "C:\Users\Admin\AppData\Local\Temp\3582-490\9f71ef7a27369674f7f5bb4f6203358a6485fcbd0c25f0c80272364716a73dea.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:3804
        • C:\Windows\SysWOW64\logagent.exe
          C:\Windows\System32\logagent.exe
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:4524
    • 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
      PID:4688

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Change Default File Association

1
T1042

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\9f71ef7a27369674f7f5bb4f6203358a6485fcbd0c25f0c80272364716a73dea.exe
    MD5

    a928d1866afcb0696d4ac43ceec12128

    SHA1

    55edbb8f5334194ab0345bd72b9cf58ddb384579

    SHA256

    1aa28435e63887b1ee372f54ce2e926888d19f5d3d3ab4d35d39da4b5272d721

    SHA512

    74c394e9dacf213a4ae81f7267c7979aad0e95c60affc50fd51a8c1d7edf8345444a2e8a6e6aaf9fe3d37a47a7e104158b8ae54eaa38aa4f29370d63e743594f

  • C:\Users\Admin\AppData\Local\Temp\3582-490\9f71ef7a27369674f7f5bb4f6203358a6485fcbd0c25f0c80272364716a73dea.exe
    MD5

    a928d1866afcb0696d4ac43ceec12128

    SHA1

    55edbb8f5334194ab0345bd72b9cf58ddb384579

    SHA256

    1aa28435e63887b1ee372f54ce2e926888d19f5d3d3ab4d35d39da4b5272d721

    SHA512

    74c394e9dacf213a4ae81f7267c7979aad0e95c60affc50fd51a8c1d7edf8345444a2e8a6e6aaf9fe3d37a47a7e104158b8ae54eaa38aa4f29370d63e743594f

  • memory/2872-132-0x0000000005BC0000-0x0000000005D22000-memory.dmp
    Filesize

    1.4MB

  • memory/2872-126-0x0000000005A70000-0x0000000005B73000-memory.dmp
    Filesize

    1.0MB

  • memory/3804-115-0x0000000000000000-mapping.dmp
  • memory/3804-118-0x0000000000680000-0x0000000000681000-memory.dmp
    Filesize

    4KB

  • memory/3804-119-0x00000000025A1000-0x00000000025B5000-memory.dmp
    Filesize

    80KB

  • memory/4524-124-0x0000000004EE0000-0x0000000005200000-memory.dmp
    Filesize

    3.1MB

  • memory/4524-121-0x0000000000EB0000-0x0000000000EB1000-memory.dmp
    Filesize

    4KB

  • memory/4524-122-0x0000000072480000-0x00000000724A9000-memory.dmp
    Filesize

    164KB

  • memory/4524-125-0x0000000004CB0000-0x0000000004CC1000-memory.dmp
    Filesize

    68KB

  • memory/4524-120-0x0000000000000000-mapping.dmp
  • memory/4688-127-0x0000000000000000-mapping.dmp
  • memory/4688-128-0x00000000012E0000-0x00000000012E7000-memory.dmp
    Filesize

    28KB

  • memory/4688-129-0x0000000000900000-0x0000000000929000-memory.dmp
    Filesize

    164KB

  • memory/4688-130-0x00000000032F0000-0x0000000003610000-memory.dmp
    Filesize

    3.1MB

  • memory/4688-131-0x0000000000E30000-0x0000000000EC0000-memory.dmp
    Filesize

    576KB