Overview

overview

10

Static

static

dridex

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-02-2023 16:52

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    91e6317345adf067b796436efc9bb9f08e1fb9670bf6334c72b561d8c85bb463.exe

  • Size

    4.1MB

  • MD5

    fd9b3f344641569527af4f0515f87985

  • SHA1

    4549f73345c1333f8a27a3d146aa0ecd8f5d4a25

  • SHA256

    91e6317345adf067b796436efc9bb9f08e1fb9670bf6334c72b561d8c85bb463

  • SHA512

    fed66b2e9f33a7697ed79ade711c558c3112314c75211f3d1b2b32f4516e87827f58273e1367dbe3f88c5646b2b4fa97ad0c328a792aed13f54f262a7c80e53d

  • SSDEEP

    98304:Cph+CIu6fFZNwqNV2pdlHi/wePQieUey5QY8:CPgRVudxi/xRdh5QX

Score
10/10
gluptebadiscoverydropperevasionloaderpersistence

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

    loaderdropperglupteba
  • Suspicious use of NtCreateUserProcessOtherParentProcess 4 IoCs
  • Executes dropped EXE 2 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

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

    discovery
  • Drops file in Windows directory 2 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 17 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91e6317345adf067b796436efc9bb9f08e1fb9670bf6334c72b561d8c85bb463.exe
    "C:\Users\Admin\AppData\Local\Temp\91e6317345adf067b796436efc9bb9f08e1fb9670bf6334c72b561d8c85bb463.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3368
    • C:\Users\Admin\AppData\Local\Temp\91e6317345adf067b796436efc9bb9f08e1fb9670bf6334c72b561d8c85bb463.exe
      "C:\Users\Admin\AppData\Local\Temp\91e6317345adf067b796436efc9bb9f08e1fb9670bf6334c72b561d8c85bb463.exe"
      2⤵
      • Adds Run key to start application
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4892
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4548
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          PID:3184
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1512
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Creates scheduled task(s)
          PID:4712
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /delete /tn ScheduledUpdate /f
          4⤵
            PID:4824
          • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
            C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
            4⤵
            • Executes dropped EXE
            • Suspicious behavior: EnumeratesProcesses
            PID:2844
          • C:\Windows\SYSTEM32\schtasks.exe
            schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
            4⤵
            • Creates scheduled task(s)
            PID:376
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k netsvcs -p -s seclogon
      1⤵
      • Suspicious use of NtCreateUserProcessOtherParentProcess
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4948

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Modify Existing Service

    1
    T1031

    Registry Run Keys / Startup Folder

    1
    T1060

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      281KB

      MD5

      d98e33b66343e7c96158444127a117f6

      SHA1

      bb716c5509a2bf345c6c1152f6e3e1452d39d50d

      SHA256

      5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

      SHA512

      705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
      Filesize

      281KB

      MD5

      d98e33b66343e7c96158444127a117f6

      SHA1

      bb716c5509a2bf345c6c1152f6e3e1452d39d50d

      SHA256

      5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

      SHA512

      705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

      Download Submit
    • C:\Windows\rss\csrss.exe
      Filesize

      4.1MB

      MD5

      fd9b3f344641569527af4f0515f87985

      SHA1

      4549f73345c1333f8a27a3d146aa0ecd8f5d4a25

      SHA256

      91e6317345adf067b796436efc9bb9f08e1fb9670bf6334c72b561d8c85bb463

      SHA512

      fed66b2e9f33a7697ed79ade711c558c3112314c75211f3d1b2b32f4516e87827f58273e1367dbe3f88c5646b2b4fa97ad0c328a792aed13f54f262a7c80e53d

      Download Submit
    • C:\Windows\rss\csrss.exe
      Filesize

      4.1MB

      MD5

      fd9b3f344641569527af4f0515f87985

      SHA1

      4549f73345c1333f8a27a3d146aa0ecd8f5d4a25

      SHA256

      91e6317345adf067b796436efc9bb9f08e1fb9670bf6334c72b561d8c85bb463

      SHA512

      fed66b2e9f33a7697ed79ade711c558c3112314c75211f3d1b2b32f4516e87827f58273e1367dbe3f88c5646b2b4fa97ad0c328a792aed13f54f262a7c80e53d

      Download Submit
    • memory/376-152-0x0000000000000000-mapping.dmp
      Download
    • memory/1512-148-0x0000000000400000-0x0000000002F78000-memory.dmp
      Filesize

      43.5MB

      Download
    • memory/1512-147-0x0000000005200000-0x00000000055E9000-memory.dmp
      Filesize

      3.9MB

      Download
    • memory/1512-153-0x0000000000400000-0x0000000002F78000-memory.dmp
      Filesize

      43.5MB

      Download
    • memory/1512-141-0x0000000000000000-mapping.dmp
      Download
    • memory/2844-149-0x0000000000000000-mapping.dmp
      Download
    • memory/3184-139-0x0000000000000000-mapping.dmp
      Download
    • memory/3368-136-0x0000000000400000-0x0000000002F78000-memory.dmp
      Filesize

      43.5MB

      Download
    • memory/3368-134-0x0000000000400000-0x0000000002F78000-memory.dmp
      Filesize

      43.5MB

      Download
    • memory/3368-132-0x0000000004DE4000-0x00000000051CD000-memory.dmp
      Filesize

      3.9MB

      Download
    • memory/3368-133-0x00000000051D0000-0x0000000005A47000-memory.dmp
      Filesize

      8.5MB

      Download
    • memory/4548-138-0x0000000000000000-mapping.dmp
      Download
    • memory/4712-145-0x0000000000000000-mapping.dmp
      Download
    • memory/4824-146-0x0000000000000000-mapping.dmp
      Download
    • memory/4892-144-0x0000000000400000-0x0000000002F78000-memory.dmp
      Filesize

      43.5MB

      Download
    • memory/4892-140-0x0000000000400000-0x0000000002F78000-memory.dmp
      Filesize

      43.5MB

      Download
    • memory/4892-137-0x0000000004DE2000-0x00000000051CB000-memory.dmp
      Filesize

      3.9MB

      Download
    • memory/4892-135-0x0000000000000000-mapping.dmp
      Download