Analysis

  • max time kernel
    151s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    23-09-2021 11:20

General

  • Target

    PAYMENT COPY.exe

  • Size

    885KB

  • MD5

    2fdc9cdf35cbdd01b4f61eaa4d8d38a6

  • SHA1

    a59e65c3ecc0c3f586bece4db3a085734c3e4da5

  • SHA256

    c7e4871bd8e22a0dfd8116206cff6631ca4a91857df75017b890768da0730041

  • SHA512

    122adec9d2185d0327f4d07b466e71a55f2689216009325aa5ffd62eb8247654a8dd659031cf07197151f1c17e654a8e4f3e343a04ad61efd5def1340bf97201

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

c2ue

C2

http://www.heidevelop.xyz/c2ue/

Decoy

isportdata.com

stellarex.energy

hsucollections.com

menuhaisan.com

joe-tzu.com

lumichargemktg.com

uae.tires

rapidcae.com

softwaresystemsolutions.com

s-galaxy.website

daewon-talks.net

northgamesnetwork.com

catalogue-bouyguestele.com

criativanet.com

theseasonalshift.com

actionfoto.online

openmaildoe.com

trashpenguin.com

ennopure.net

azurermine.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 ⋅ 21 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:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    Suspicious use of FindShellTrayWindow
    Suspicious use of SendNotifyMessage
    Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Local\Temp\PAYMENT COPY.exe
      "C:\Users\Admin\AppData\Local\Temp\PAYMENT COPY.exe"
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:1548
      • C:\Users\Admin\AppData\Local\Temp\PAYMENT COPY.exe
        "{path}"
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        PID:800
    • C:\Windows\SysWOW64\NAPSTAT.EXE
      "C:\Windows\SysWOW64\NAPSTAT.EXE"
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1228
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\PAYMENT COPY.exe"
        Deletes itself
        PID:672

Network

MITRE ATT&CK Matrix

Collection

    Command and Control

      Credential Access

        Defense Evasion

          Discovery

            Execution

              Exfiltration

                Impact

                  Initial Access

                    Lateral Movement

                      Persistence

                        Privilege Escalation

                          Replay Monitor

                          00:00 00:00

                          Downloads

                          • memory/672-67-0x0000000000000000-mapping.dmp
                          • memory/800-61-0x0000000000A80000-0x0000000000D83000-memory.dmp
                          • memory/800-62-0x0000000000140000-0x0000000000151000-memory.dmp
                          • memory/800-59-0x0000000000400000-0x0000000000429000-memory.dmp
                          • memory/800-60-0x000000000041D3A0-mapping.dmp
                          • memory/1200-70-0x0000000004890000-0x0000000004976000-memory.dmp
                          • memory/1200-63-0x0000000004180000-0x0000000004255000-memory.dmp
                          • memory/1228-66-0x0000000000080000-0x00000000000A9000-memory.dmp
                          • memory/1228-64-0x0000000000000000-mapping.dmp
                          • memory/1228-65-0x00000000002F0000-0x0000000000336000-memory.dmp
                          • memory/1228-68-0x0000000002040000-0x0000000002343000-memory.dmp
                          • memory/1228-69-0x0000000001E50000-0x0000000001EE0000-memory.dmp
                          • memory/1548-58-0x0000000000D50000-0x0000000000D7B000-memory.dmp
                          • memory/1548-57-0x00000000048D0000-0x000000000494D000-memory.dmp
                          • memory/1548-53-0x0000000000DC0000-0x0000000000DC1000-memory.dmp
                          • memory/1548-56-0x0000000000340000-0x000000000034E000-memory.dmp
                          • memory/1548-55-0x0000000004BF0000-0x0000000004BF1000-memory.dmp