Overview

overview

10

Static

static

10

2026-05-04..._s.exe

windows10-2004-x64

10

2026-05-04..._s.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    04/05/2026, 10:22

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General

  • Target
    2026-05-04_61f4d2954beeeb8979188b6a4b11223a_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
  • Size 2.5MB
  • Sample260504-men1fsct2n
  • SHA256 89cae4caee014cc7c0d31e76fa1e2fc1964b4681ebb9c9a84385ba91c6c17d38
  • 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 5 IoCs
    backdooraptapt29
  • UPX dump on OEP (original entry point) 11 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 8 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\2026-05-04_61f4d2954beeeb8979188b6a4b11223a_coinminer_cosmicduke_elex_redline-stealer_rhadamanthys_s.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-04_61f4d2954beeeb8979188b6a4b11223a_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:4980
    • C:\Windows\SysWOW64\dnssvc.exe
      C:\Windows\SysWOW64\dnssvc.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2700
  • C:\Windows\SysWOW64\dnssvc.exe
    C:\Windows\SysWOW64\dnssvc.exe
    1⤵
    • Executes dropped EXE
    PID:964
  • C:\Windows\SysWOW64\cfgdns.exe
    C:\Windows\SysWOW64\cfgdns.exe 5zy
    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:568
  • C:\Windows\SysWOW64\cfgdns.exe
    C:\Windows\SysWOW64\cfgdns.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:4348
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 536
      2⤵
      • Program crash
      PID:4792
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 528
      2⤵
      • Program crash
      PID:4572
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 688
      2⤵
      • Program crash
      PID:4564
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4348 -ip 4348
    1⤵
      PID:4428
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4348 -ip 4348
      1⤵
        PID:1856
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4348 -ip 4348
        1⤵
          PID:4532

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              urldhcp.exe
              • Path C:\Users\Admin\AppData\Local\Temp\urldhcp.exe
              • Size 5KB
              • SHA256 5b50e26a01b320f05d66727e9d220d5858cdac203ff62e4b9ced1cafc2683637
              • MD5 SHA1 SHA512 SSDEEP 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

              cfgdns.exe
              • Path C:\Windows\SysWOW64\cfgdns.exe
              • Size 2.5MB
              • SHA256 6726c37ec30d4128c0ce023e8427a1dc53db5a7c4b0a0a5a940f2cc4ba0c186c
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              dnssvc.exe
              • Path C:\Windows\SysWOW64\dnssvc.exe
              • Size 1.4MB
              • SHA256 d565c4ef568583fc7b3bf386f56f1eadffa00cbe399a2e6a534d4b9b0c5d68e1
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              engid.scr
              • Path C:\Windows\SysWOW64\engid.scr
              • Size 1.2MB
              • SHA256 503a463128008bd681fa6400f177384170e977326f80fa4fed71787b97b299ec
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/568-89-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/568-152-0x0000000000520000-0x0000000000584000-memory.dmp
              Download

              memory/568-187-0x00000000013E0000-0x000000000166B000-memory.dmp
              Download

              memory/568-176-0x0000000000520000-0x0000000000584000-memory.dmp
              Download

              memory/568-151-0x00000000013E0000-0x000000000166B000-memory.dmp
              Download

              memory/568-153-0x00000000017E0000-0x00000000017E7000-memory.dmp
              Download

              memory/568-39-0x0000000000400000-0x00000000005B4000-memory.dmp
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              memory/568-86-0x0000000000400000-0x0000000000420000-memory.dmp
              Download

              memory/568-87-0x00000000013E0000-0x000000000166B000-memory.dmp
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              memory/568-83-0x0000000000400000-0x00000000005B4000-memory.dmp
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              memory/568-84-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/4348-88-0x0000000002900000-0x0000000002B8B000-memory.dmp
              Download

              memory/4348-96-0x0000000000400000-0x0000000000420000-memory.dmp
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              memory/4348-43-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/4348-98-0x0000000000400000-0x0000000000438000-memory.dmp
              Download

              memory/4348-85-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/4980-38-0x0000000000530000-0x0000000000594000-memory.dmp
              Download

              memory/4980-82-0x0000000003EB0000-0x0000000003EB7000-memory.dmp
              Download

              memory/4980-80-0x00000000026F0000-0x000000000297B000-memory.dmp
              Download

              memory/4980-1-0x0000000000423000-0x0000000000424000-memory.dmp
              Download

              memory/4980-0-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/4980-37-0x00000000026F0000-0x000000000297B000-memory.dmp
              Download

              memory/4980-6-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/4980-2-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/4980-3-0x0000000000400000-0x00000000005B4000-memory.dmp
              Download

              memory/4980-4-0x0000000000400000-0x0000000000420000-memory.dmp
              Download

              memory/4980-172-0x00000000026F0000-0x000000000297B000-memory.dmp
              Download

              memory/4980-5-0x00000000026F0000-0x000000000297B000-memory.dmp
              Download