Analysis

  • max time kernel
    153s
  • max time network
    155s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    24-09-2021 11:04

General

  • Target

    PROFOMA INVOICE.exe

  • Size

    866KB

  • MD5

    24736913b455be2ed3d1cc67c767afc4

  • SHA1

    8026db0f265178cf013ac579c1b7267f4014bf2c

  • SHA256

    a109f0b9407728fef1b41d766e8228085ee04661156d84ef543777bf311f450b

  • SHA512

    49dd3e5ecbf6d4cd310a45d0b52e36a363d701f0a9cc14a1d3c103b613eb5a756fdc9ce8b028d69b56c4c8137d29ea3d57865b4ff75dac44bf982e5c80ee56ee

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
  • Blocklisted process makes network request ⋅ 1 IoCs
  • Suspicious use of SetThreadContext ⋅ 4 IoCs
  • Suspicious behavior: EnumeratesProcesses ⋅ 46 IoCs
  • Suspicious behavior: GetForegroundWindowSpam ⋅ 1 IoCs
  • Suspicious behavior: MapViewOfSection ⋅ 6 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:3028
    • C:\Users\Admin\AppData\Local\Temp\PROFOMA INVOICE.exe
      "C:\Users\Admin\AppData\Local\Temp\PROFOMA INVOICE.exe"
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:2396
      • C:\Users\Admin\AppData\Local\Temp\PROFOMA INVOICE.exe
        "{path}"
        Suspicious use of SetThreadContext
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        PID:3800
    • C:\Windows\SysWOW64\cscript.exe
      "C:\Windows\SysWOW64\cscript.exe"
      Blocklisted process makes network request
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2236
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\PROFOMA INVOICE.exe"
        PID:516

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/516-137-0x0000000000000000-mapping.dmp
                          • memory/2236-134-0x0000000000000000-mapping.dmp
                          • memory/2236-139-0x0000000005220000-0x00000000052B0000-memory.dmp
                          • memory/2236-138-0x00000000053B0000-0x00000000056D0000-memory.dmp
                          • memory/2236-136-0x0000000002F80000-0x0000000002FA9000-memory.dmp
                          • memory/2236-135-0x0000000000EA0000-0x0000000000EC7000-memory.dmp
                          • memory/2396-122-0x0000000005440000-0x0000000005441000-memory.dmp
                          • memory/2396-115-0x0000000000890000-0x0000000000891000-memory.dmp
                          • memory/2396-124-0x0000000002A40000-0x0000000002A4E000-memory.dmp
                          • memory/2396-125-0x0000000009110000-0x0000000009189000-memory.dmp
                          • memory/2396-126-0x00000000091C0000-0x00000000091EB000-memory.dmp
                          • memory/2396-117-0x00000000051A0000-0x00000000051A1000-memory.dmp
                          • memory/2396-118-0x0000000005740000-0x0000000005741000-memory.dmp
                          • memory/2396-119-0x00000000052E0000-0x00000000052E1000-memory.dmp
                          • memory/2396-120-0x0000000005240000-0x000000000573E000-memory.dmp
                          • memory/2396-123-0x0000000005C40000-0x0000000005C41000-memory.dmp
                          • memory/2396-121-0x0000000005180000-0x0000000005181000-memory.dmp
                          • memory/3028-131-0x00000000065B0000-0x0000000006758000-memory.dmp
                          • memory/3028-133-0x00000000069B0000-0x0000000006ACC000-memory.dmp
                          • memory/3028-140-0x0000000005750000-0x0000000005885000-memory.dmp
                          • memory/3800-132-0x00000000034F0000-0x0000000003501000-memory.dmp
                          • memory/3800-129-0x0000000001740000-0x0000000001A60000-memory.dmp
                          • memory/3800-130-0x0000000001700000-0x0000000001711000-memory.dmp
                          • memory/3800-128-0x000000000041D3A0-mapping.dmp
                          • memory/3800-127-0x0000000000400000-0x0000000000429000-memory.dmp