Overview

overview

10

Static

static

10

2026-04-17..._s.exe

windows10-2004-x64

10

2026-04-17..._s.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    25s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    17/04/2026, 10:36

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General

  • Target
    2026-04-17_4025e0378da845c53342d3b96612db23_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
  • Size 2.5MB
  • Sample260417-mnbfqaet2v
  • SHA256 143ed3130be989b6ee7063d38cdb075cd95f7e4fca45b5cef6553d257ef54218
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
apt29aptbackdoorcollectiondefense_evasiondiscoveryminidukespywarestealerupx

Malware Config

Signatures

  • Family: MiniDuke, CosmicDuke,TinyBaron

    MiniDuke aka CosmicDuke or TinyBaron is a backdoor used by the APT29 group, written in C++.

    backdoorminiduke
  • Detects MiniDuke aka CosmicDuke or TinyBaron 3 IoCs
    backdooraptapt29
  • UPX dump on OEP (original entry point) 7 IoCs
  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 1 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
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 10 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Program crash 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies Control Panel 5 IoCs
    defense_evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-17_4025e0378da845c53342d3b96612db23_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-17_4025e0378da845c53342d3b96612db23_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Enumerates connected drives
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_win_path
    PID:4676
    • C:\Windows\SysWOW64\pdbfs.exe
      C:\Windows\SysWOW64\pdbfs.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1716
  • C:\Windows\SysWOW64\winmon.exe
    C:\Windows\SysWOW64\winmon.exe o2r
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2792
  • C:\Windows\SysWOW64\pdbfs.exe
    C:\Windows\SysWOW64\pdbfs.exe
    1⤵
    • Executes dropped EXE
    PID:5420
  • C:\Windows\SysWOW64\winmon.exe
    C:\Windows\SysWOW64\winmon.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:5756
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5756 -s 508
      2⤵
      • Program crash
      PID:5988
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5756 -s 500
      2⤵
      • Program crash
      PID:5576
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5756 -s 648
      2⤵
      • Program crash
      PID:5560
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5756 -ip 5756
    1⤵
      PID:2660
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5756 -ip 5756
      1⤵
        PID:5728
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 5756 -ip 5756
        1⤵
          PID:2536

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              hostms.scr
              • Path C:\Users\Admin\AppData\Local\Temp\hostms.scr
              • Size 3KB
              • SHA256 47f3405ab0da5af125bcc6ebb6d17a1573b090c54d7a0a00630ec170ccc4b9d1
              • MD5 SHA1 SHA512 TLSH
              Submit Download

              ntuser{4CB43D7F-7DCA-4906-8698-FFFFFFFF8094E303}.pol
              • Path C:\Users\Public\Documents\ntuser{4CB43D7F-7DCA-4906-8698-FFFFFFFF8094E303}.pol
              • Size 4B
              • SHA256 443c07a2c83b7b0253a325d2b72ac757c3aa5b41cd749842bc74fb3ee9b26866
              • MD5 SHA1 SHA512
              Submit Download

              pdbfs.exe
              • Path C:\Windows\SysWOW64\pdbfs.exe
              • Size 1.3MB
              • SHA256 52511a41aea0d7e557dab68096bd3e7b2024d62cd58e64de22d8c4d6bf8a2838
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              winmon.exe
              • Path C:\Windows\SysWOW64\winmon.exe
              • Size 2.5MB
              • SHA256 143ed3130be989b6ee7063d38cdb075cd95f7e4fca45b5cef6553d257ef54218
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/2792-76-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/4676-4-0x0000000000400000-0x0000000000420000-memory.dmp
              Download

              memory/4676-5-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/4676-1-0x0000000000423000-0x0000000000424000-memory.dmp
              Download

              memory/4676-3-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/4676-2-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/4676-0-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/5756-39-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/5756-78-0x00000000025B0000-0x00000000025F8000-memory.dmp
              Download

              memory/5756-77-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/5756-79-0x00000000025B0000-0x00000000025F8000-memory.dmp
              Download

              memory/5756-82-0x0000000000400000-0x0000000000438000-memory.dmp
              Download