Overview

overview

10

Static

static

10

2026-05-25..._s.exe

windows10-2004-x64

10

2026-05-25..._s.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/05/2026, 09:50

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General

  • Target
    2026-05-25_2f57b9594774dc876a649b10e7602b7c_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
  • Size 2.2MB
  • Sample260525-ltwheags5t
  • SHA256 4698769b43d54f14068b979838c7e033752798e3de84edcccc361602d8071fe2
  • 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) 6 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 42 IoCs

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

  • Drops file in System32 directory 16 IoCs
  • UPX packed file 5 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
  • Modifies data under HKEY_USERS 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-05-25_2f57b9594774dc876a649b10e7602b7c_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-25_2f57b9594774dc876a649b10e7602b7c_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:2316
    • C:\Windows\SysWOW64\objusb.exe
      C:\Windows\SysWOW64\objusb.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4696
  • C:\Windows\SysWOW64\envfw.exe
    C:\Windows\SysWOW64\envfw.exe 51o
    1⤵
    • Executes dropped EXE
    • Enumerates connected drives
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:1656
  • C:\Windows\SysWOW64\objusb.exe
    C:\Windows\SysWOW64\objusb.exe
    1⤵
    • Executes dropped EXE
    PID:4380
  • C:\Windows\SysWOW64\envfw.exe
    C:\Windows\SysWOW64\envfw.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4100
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4100 -s 496
      2⤵
      • Program crash
      PID:3548
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4100 -s 652
      2⤵
      • Program crash
      PID:2952
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4100 -s 676
      2⤵
      • Program crash
      PID:4112
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4100 -ip 4100
    1⤵
      PID:3784
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4100 -ip 4100
      1⤵
        PID:4308
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4100 -ip 4100
        1⤵
          PID:1780

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              lsant.scr
              • Path C:\Users\Admin\AppData\Local\Temp\lsant.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

              envfw.exe
              • Path C:\Windows\SysWOW64\envfw.exe
              • Size 2.2MB
              • SHA256 3d43189f9302b2c47549066a2eb78bd616b7f10cfbad82498ebca5c6ca4405ab
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              objusb.exe
              • Path C:\Windows\SysWOW64\objusb.exe
              • Size 1.2MB
              • SHA256 5d122f17dc7c6e26759ec15c775f3f2e41afaab85ca825d213aa7452312741fc
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/1656-75-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/2316-4-0x0000000000400000-0x0000000000420000-memory.dmp
              Download

              memory/2316-5-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/2316-1-0x0000000000423000-0x0000000000424000-memory.dmp
              Download

              memory/2316-3-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/2316-2-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/2316-0-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/4100-76-0x0000000000400000-0x00000000005DA000-memory.dmp
              Download

              memory/4100-77-0x00000000025B0000-0x00000000025F8000-memory.dmp
              Download

              memory/4100-79-0x00000000025B0000-0x00000000025F8000-memory.dmp
              Download

              memory/4100-82-0x0000000000400000-0x0000000000438000-memory.dmp
              Download