Overview

overview

10

Static

static

3

2026-04-24...ar.exe

windows10-2004-x64

10

2026-04-24...ar.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    24/04/2026, 04:49

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General

  • Target
    2026-04-24_7f1435a51aa4c993d362fec5e6178a25_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
  • Size 2.2MB
  • Sample260424-ff57ssft6x
  • SHA256 d6042ee23e9c3bdf3fa4d8c91214bca821d9f87b8016c497dff9264985e7869f
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
apt29aptbackdoorcollectiondefense_evasiondiscoveryminidukespywarestealer

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 2 IoCs
    backdooraptapt29
  • 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
  • Program crash 5 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\2026-04-24_7f1435a51aa4c993d362fec5e6178a25_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-24_7f1435a51aa4c993d362fec5e6178a25_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee_vidar.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:2784
    • C:\Windows\SysWOW64\fwurl.exe
      C:\Windows\SysWOW64\fwurl.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3916
  • C:\Windows\SysWOW64\pdbwm.exe
    C:\Windows\SysWOW64\pdbwm.exe lpr
    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:784
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 784 -s 1476
      2⤵
      • Program crash
      PID:432
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 784 -s 1396
      2⤵
      • Program crash
      PID:1920
  • C:\Windows\SysWOW64\fwurl.exe
    C:\Windows\SysWOW64\fwurl.exe
    1⤵
    • Executes dropped EXE
    PID:4268
  • C:\Windows\SysWOW64\pdbwm.exe
    C:\Windows\SysWOW64\pdbwm.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:1704
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 536
      2⤵
      • Program crash
      PID:2796
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 528
      2⤵
      • Program crash
      PID:1084
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 692
      2⤵
      • Program crash
      PID:1268
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1704 -ip 1704
    1⤵
      PID:3824
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1704 -ip 1704
      1⤵
        PID:1116
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 1704 -ip 1704
        1⤵
          PID:1692
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 784 -ip 784
          1⤵
            PID:4236
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 784 -ip 784
            1⤵
              PID:4364

            Network

                  MITRE ATT&CK Enterprise v16

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                  Downloads

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

                  fwurl.exe
                  • Path C:\Windows\SysWOW64\fwurl.exe
                  • Size 2.1MB
                  • SHA256 5ba90f2700f0c78908badd6eb0e734fba9b8ba248d8fd762f9a8005589cab648
                  • MD5 SHA1 SHA512 SSDEEP TLSH
                  Submit Download

                  pdbwm.exe
                  • Path C:\Windows\SysWOW64\pdbwm.exe
                  • Size 2.2MB
                  • SHA256 72515d93fc5dab073fe19b4061b5e5195a8c29049873625ee3ed2e913c33b587
                  • MD5 SHA1 SHA512 SSDEEP TLSH
                  Submit Download

                  memory/784-37-0x0000000000400000-0x00000000005D5000-memory.dmp
                  Download

                  memory/784-150-0x0000000001440000-0x00000000014A4000-memory.dmp
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                  memory/784-151-0x0000000000400000-0x0000000000438000-memory.dmp
                  Download

                  memory/784-149-0x0000000000440000-0x00000000004FB000-memory.dmp
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                  memory/784-88-0x0000000000440000-0x00000000004FB000-memory.dmp
                  Download

                  memory/784-81-0x0000000000400000-0x00000000005D5000-memory.dmp
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                  memory/1704-86-0x0000000002310000-0x0000000002358000-memory.dmp
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                  memory/1704-83-0x0000000002310000-0x0000000002358000-memory.dmp
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                  memory/1704-41-0x0000000000400000-0x00000000005D5000-memory.dmp
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                  memory/1704-93-0x0000000000400000-0x0000000000438000-memory.dmp
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                  memory/1704-89-0x0000000000440000-0x00000000004FB000-memory.dmp
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                  memory/1704-42-0x0000000000400000-0x00000000005D5000-memory.dmp
                  Download

                  memory/2784-4-0x0000000000400000-0x0000000000420000-memory.dmp
                  Download

                  memory/2784-5-0x00000000026B0000-0x00000000026F8000-memory.dmp
                  Download

                  memory/2784-1-0x0000000000400000-0x00000000005D5000-memory.dmp
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                  memory/2784-79-0x0000000000440000-0x00000000004FB000-memory.dmp
                  Download

                  memory/2784-80-0x0000000000550000-0x00000000005B4000-memory.dmp
                  Download

                  memory/2784-6-0x0000000000440000-0x00000000004FB000-memory.dmp
                  Download

                  memory/2784-3-0x00000000026B0000-0x00000000026F8000-memory.dmp
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                  memory/2784-2-0x0000000000400000-0x00000000005D5000-memory.dmp
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                  memory/2784-0-0x0000000000400000-0x00000000005D5000-memory.dmp
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                  memory/2784-152-0x0000000000440000-0x00000000004FB000-memory.dmp
                  Download

                  memory/2784-160-0x0000000000440000-0x00000000004FB000-memory.dmp
                  Download