Overview

overview

10

Static

static

3

2026-05-07...ee.exe

windows10-2004-x64

10

2026-05-07...ee.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/05/2026, 03:50

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General

  • Target
    2026-05-07_504714b3bd0fc6b91d8850109ee24a47_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee.exe
  • Size 1.2MB
  • Sample260507-ed2k6aew2v
  • SHA256 ecb2687093f14c9daca14dbef211c52ad18ce77ab9e63423c6e69d8f61fe99c5
  • 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 1 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 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\2026-05-07_504714b3bd0fc6b91d8850109ee24a47_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-05-07_504714b3bd0fc6b91d8850109ee24a47_cosmicduke_elex_redline-stealer_rhadamanthys_smoke-loader_stealc_tofsee.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:4188
    • C:\Windows\SysWOW64\udfcpl.exe
      C:\Windows\SysWOW64\udfcpl.exe /combine local system
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4324
  • C:\Windows\SysWOW64\schdsys.exe
    C:\Windows\SysWOW64\schdsys.exe trz
    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:1416
  • C:\Windows\SysWOW64\udfcpl.exe
    C:\Windows\SysWOW64\udfcpl.exe
    1⤵
    • Executes dropped EXE
    PID:2096
  • C:\Windows\SysWOW64\schdsys.exe
    C:\Windows\SysWOW64\schdsys.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:6100
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 6100 -s 504
      2⤵
      • Program crash
      PID:2972
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 6100 -s 656
      2⤵
      • Program crash
      PID:1216
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 6100 -s 492
      2⤵
      • Program crash
      PID:4816
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 6100 -ip 6100
    1⤵
      PID:1252
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 6100 -ip 6100
      1⤵
        PID:3340
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 6100 -ip 6100
        1⤵
          PID:3520

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

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

              schdsys.exe
              • Path C:\Windows\SysWOW64\schdsys.exe
              • Size 2.0MB
              • SHA256 eb0a2fc11e5e6ba335ef3aba1dfc57c3b6adb47a899d862f3e4fbf94150f59f6
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              udfcpl.exe
              • Path C:\Windows\SysWOW64\udfcpl.exe
              • Size 835KB
              • SHA256 832836e86ec656c84bb913309449acb3b4ab4a6409b6e458363f7c14ec451952
              • MD5 SHA1 SHA512 SSDEEP TLSH
              Submit Download

              memory/1416-150-0x0000000001EE0000-0x0000000001EE7000-memory.dmp
              Download

              memory/1416-38-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/1416-85-0x0000000000440000-0x00000000004BA000-memory.dmp
              Download

              memory/1416-96-0x0000000000440000-0x00000000004BA000-memory.dmp
              Download

              memory/1416-149-0x0000000000440000-0x00000000004BA000-memory.dmp
              Download

              memory/1416-79-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/1416-36-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/4188-0-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/4188-1-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/4188-5-0x0000000000440000-0x00000000004BA000-memory.dmp
              Download

              memory/4188-34-0x0000000000440000-0x00000000004BA000-memory.dmp
              Download

              memory/4188-83-0x00000000026E0000-0x000000000271B000-memory.dmp
              Download

              memory/4188-3-0x00000000025B0000-0x00000000025F8000-memory.dmp
              Download

              memory/4188-82-0x0000000000440000-0x00000000004BA000-memory.dmp
              Download

              memory/4188-2-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/4188-4-0x0000000000400000-0x0000000000420000-memory.dmp
              Download

              memory/4188-84-0x0000000003770000-0x0000000003777000-memory.dmp
              Download

              memory/6100-42-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download

              memory/6100-88-0x0000000002210000-0x0000000002258000-memory.dmp
              Download

              memory/6100-92-0x0000000000400000-0x0000000000438000-memory.dmp
              Download

              memory/6100-86-0x0000000000440000-0x00000000004BA000-memory.dmp
              Download

              memory/6100-81-0x0000000002210000-0x0000000002258000-memory.dmp
              Download

              memory/6100-80-0x0000000000400000-0x00000000005AF000-memory.dmp
              Download