Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    23-09-2021 13:45

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
  • Suspicious use of SetThreadContext ⋅ 3 IoCs
  • Gathers network information ⋅ 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • 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
    Suspicious behavior: GetForegroundWindowSpam
    Suspicious use of WriteProcessMemory
    PID:3008
    • 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:2372
      • 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:3740
    • C:\Windows\SysWOW64\ipconfig.exe
      "C:\Windows\SysWOW64\ipconfig.exe"
      Suspicious use of SetThreadContext
      Gathers network information
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2724
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\PAYMENT COPY.exe"
        PID:2120

Network

MITRE ATT&CK Matrix

Collection

    Command and Control

      Credential Access

        Defense Evasion

          Exfiltration

            Impact

              Initial Access

                Lateral Movement

                  Persistence

                    Privilege Escalation

                      Replay Monitor

                      00:00 00:00

                      Downloads

                      • memory/2120-133-0x0000000000000000-mapping.dmp
                      • memory/2372-126-0x0000000009300000-0x000000000932B000-memory.dmp
                      • memory/2372-119-0x00000000053C0000-0x00000000053C1000-memory.dmp
                      • memory/2372-117-0x0000000005320000-0x0000000005321000-memory.dmp
                      • memory/2372-120-0x00000000052E0000-0x00000000052E1000-memory.dmp
                      • memory/2372-121-0x00000000055A0000-0x00000000055A1000-memory.dmp
                      • memory/2372-122-0x0000000005DC0000-0x0000000005DC1000-memory.dmp
                      • memory/2372-123-0x00000000053C0000-0x00000000058BE000-memory.dmp
                      • memory/2372-124-0x0000000002D60000-0x0000000002D6E000-memory.dmp
                      • memory/2372-125-0x0000000009280000-0x00000000092FD000-memory.dmp
                      • memory/2372-115-0x00000000009E0000-0x00000000009E1000-memory.dmp
                      • memory/2372-118-0x00000000058C0000-0x00000000058C1000-memory.dmp
                      • memory/2724-137-0x0000000003820000-0x00000000038B0000-memory.dmp
                      • memory/2724-132-0x0000000000000000-mapping.dmp
                      • memory/2724-135-0x00000000032C0000-0x00000000032E9000-memory.dmp
                      • memory/2724-134-0x0000000000E30000-0x0000000000E3B000-memory.dmp
                      • memory/2724-136-0x0000000003470000-0x0000000003790000-memory.dmp
                      • memory/3008-131-0x0000000002CE0000-0x0000000002DCF000-memory.dmp
                      • memory/3008-138-0x0000000006300000-0x0000000006459000-memory.dmp
                      • memory/3740-130-0x0000000001770000-0x0000000001781000-memory.dmp
                      • memory/3740-129-0x0000000001810000-0x0000000001B30000-memory.dmp
                      • memory/3740-128-0x000000000041D3A0-mapping.dmp
                      • memory/3740-127-0x0000000000400000-0x0000000000429000-memory.dmp