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Overview

overview

10

Static

static

dridex

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/01/2023, 00:32

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General

  • Target

    f28dfd38523e34dea9a8e16ed4354fe8d52610ba40e1e9ba366a62197c5aba83.exe

  • Size

    261KB

  • MD5

    a8bc65f75a40b2c1b2626fd09942fdb1

  • SHA1

    465fa2356918d95fa5f3132aebc3b0e5dbd8315f

  • SHA256

    f28dfd38523e34dea9a8e16ed4354fe8d52610ba40e1e9ba366a62197c5aba83

  • SHA512

    d05c39346d1d30741d0d92ddbf68151a45f2d3712b1945475e78d80e63fd292328ec5a6a6a05d09d3955a125e036030105259acdaec3dde6f1c33292b0705508

  • SSDEEP

    3072:lXWwvOItT55jJH4FUC98dYQ8H81Ik9CEwI2BPongMe5LRFYUEA7:hLLtTvJwUCWYhc1Hf26IwUR

Score
10/10
smokeloaderbackdoorcollectiondiscoveryspywarestealertrojan

Malware Config

Signatures

  • Detects Smokeloader packer 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Blocklisted process makes network request 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
    collection
  • Accesses Microsoft Outlook profiles 1 TTPs 4 IoCs
    collection
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 27 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
    adwarespyware
  • Modifies registry class 30 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of FindShellTrayWindow 10 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f28dfd38523e34dea9a8e16ed4354fe8d52610ba40e1e9ba366a62197c5aba83.exe
    "C:\Users\Admin\AppData\Local\Temp\f28dfd38523e34dea9a8e16ed4354fe8d52610ba40e1e9ba366a62197c5aba83.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:4884
  • C:\Users\Admin\AppData\Local\Temp\E796.exe
    C:\Users\Admin\AppData\Local\Temp\E796.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:224
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Rruwtqrefy.tmp",Uuhpdwiyer
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Accesses Microsoft Outlook accounts
      • Accesses Microsoft Outlook profiles
      • Suspicious use of SetThreadContext
      • Checks processor information in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1088
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 17209
        3⤵
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        PID:4248
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
        3⤵
          PID:3512
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
          3⤵
            PID:3456
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 532
          2⤵
          • Program crash
          PID:3820
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 224 -ip 224
        1⤵
          PID:1052
        • C:\Windows\System32\rundll32.exe
          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
          1⤵
            PID:4404

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\E796.exe
            Filesize

            1.1MB

            MD5

            c088c584d212722dec3d0f314e9db13f

            SHA1

            47ebab6ed8406a85cee35b712155233b7bbde36c

            SHA256

            be70db44047daa4804e8dcb3308d134490c3b0d9ffd9c847cecb1313764501c2

            SHA512

            34d2cc0bdda0e200156f67a20760bd1ac289ce9a70949b74caf1b53186bbd497706244638c164f8636324b4366d63cee67baabe114429aa9ff3a1c16fa69b041

            Download Submit

          • C:\Users\Admin\AppData\Local\Temp\E796.exe
            Filesize

            1.1MB

            MD5

            c088c584d212722dec3d0f314e9db13f

            SHA1

            47ebab6ed8406a85cee35b712155233b7bbde36c

            SHA256

            be70db44047daa4804e8dcb3308d134490c3b0d9ffd9c847cecb1313764501c2

            SHA512

            34d2cc0bdda0e200156f67a20760bd1ac289ce9a70949b74caf1b53186bbd497706244638c164f8636324b4366d63cee67baabe114429aa9ff3a1c16fa69b041

            Download Submit

          • C:\Users\Admin\AppData\Local\Temp\Rruwtqrefy.tmp
            Filesize

            805KB

            MD5

            44d724c9ad9ae3149d4997852eea3e96

            SHA1

            dcd92e1b704b3f25ba455e079004c5a5aaf903f9

            SHA256

            c5cd7d52ba95127c18556a2ddca64e4ef80a2945e6579545c0067abdab3a0ad0

            SHA512

            791c3b62685a475799a991b2f0f9535781c888d48d1dd47b5b2cd407ff46e15231247f07ceb63c012bd923bf88fffaecf29030186e3d569b9886048881012e44

            Download Submit

          • C:\Users\Admin\AppData\Local\Temp\Rruwtqrefy.tmp
            Filesize

            805KB

            MD5

            44d724c9ad9ae3149d4997852eea3e96

            SHA1

            dcd92e1b704b3f25ba455e079004c5a5aaf903f9

            SHA256

            c5cd7d52ba95127c18556a2ddca64e4ef80a2945e6579545c0067abdab3a0ad0

            SHA512

            791c3b62685a475799a991b2f0f9535781c888d48d1dd47b5b2cd407ff46e15231247f07ceb63c012bd923bf88fffaecf29030186e3d569b9886048881012e44

            Download Submit

          • memory/224-144-0x0000000000400000-0x0000000002C7D000-memory.dmp

            Filesize

            40.5MB

            Download

          • memory/224-143-0x0000000004AF0000-0x0000000004C14000-memory.dmp

            Filesize

            1.1MB

            Download

          • memory/224-142-0x0000000004A0A000-0x0000000004AEE000-memory.dmp

            Filesize

            912KB

            Download

          • memory/1088-146-0x0000000005A00000-0x0000000005B40000-memory.dmp

            Filesize

            1.2MB

            Download

          • memory/1088-155-0x00000000072F6000-0x00000000072F8000-memory.dmp

            Filesize

            8KB

            Download

          • memory/1088-162-0x00000000072F6000-0x00000000072F8000-memory.dmp

            Filesize

            8KB

            Download

          • memory/1088-159-0x0000000004DE0000-0x000000000590F000-memory.dmp

            Filesize

            11.2MB

            Download

          • memory/1088-145-0x0000000004DE0000-0x000000000590F000-memory.dmp

            Filesize

            11.2MB

            Download

          • memory/1088-153-0x00000000072F6000-0x00000000072F8000-memory.dmp

            Filesize

            8KB

            Download

          • memory/1088-147-0x0000000005A00000-0x0000000005B40000-memory.dmp

            Filesize

            1.2MB

            Download

          • memory/1088-148-0x0000000007230000-0x0000000007370000-memory.dmp

            Filesize

            1.2MB

            Download

          • memory/1088-149-0x0000000007230000-0x0000000007370000-memory.dmp

            Filesize

            1.2MB

            Download

          • memory/1088-150-0x0000000005A00000-0x0000000005B40000-memory.dmp

            Filesize

            1.2MB

            Download

          • memory/1088-151-0x0000000005A00000-0x0000000005B40000-memory.dmp

            Filesize

            1.2MB

            Download

          • memory/4248-154-0x0000020C401F0000-0x0000020C40330000-memory.dmp

            Filesize

            1.2MB

            Download

          • memory/4248-156-0x0000020C401F0000-0x0000020C40330000-memory.dmp

            Filesize

            1.2MB

            Download

          • memory/4248-157-0x00000000003C0000-0x0000000000658000-memory.dmp

            Filesize

            2.6MB

            Download

          • memory/4248-158-0x0000020C3E7A0000-0x0000020C3EA49000-memory.dmp

            Filesize

            2.7MB

            Download

          • memory/4884-132-0x0000000002D2D000-0x0000000002D3D000-memory.dmp

            Filesize

            64KB

            Download

          • memory/4884-133-0x0000000002C70000-0x0000000002C79000-memory.dmp

            Filesize

            36KB

            Download

          • memory/4884-134-0x0000000000400000-0x0000000002BA9000-memory.dmp

            Filesize

            39.7MB

            Download

          • memory/4884-135-0x0000000000400000-0x0000000002BA9000-memory.dmp

            Filesize

            39.7MB

            Download