Analysis

  • max time kernel
    149s
  • max time network
    93s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    01/06/2026, 05:56

General

  • Target
    3d00a2a99a0b63d18fa0a89891871796693f8d5c3c3d63e6e79dd50db44ef91d.exe
  • Size 2.3MB
  • Sample260601-gm83psds3t
  • SHA256 3d00a2a99a0b63d18fa0a89891871796693f8d5c3c3d63e6e79dd50db44ef91d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • 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 Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

    Inno Setup installer

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d00a2a99a0b63d18fa0a89891871796693f8d5c3c3d63e6e79dd50db44ef91d.exe
    "C:\Users\Admin\AppData\Local\Temp\3d00a2a99a0b63d18fa0a89891871796693f8d5c3c3d63e6e79dd50db44ef91d.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1140
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a2DE1.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1080
      • C:\Users\Admin\AppData\Local\Temp\3d00a2a99a0b63d18fa0a89891871796693f8d5c3c3d63e6e79dd50db44ef91d.exe
        "C:\Users\Admin\AppData\Local\Temp\3d00a2a99a0b63d18fa0a89891871796693f8d5c3c3d63e6e79dd50db44ef91d.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3912
        • C:\Users\Admin\AppData\Local\Temp\is-5APT1.tmp\3d00a2a99a0b63d18fa0a89891871796693f8d5c3c3d63e6e79dd50db44ef91d.tmp
          "C:\Users\Admin\AppData\Local\Temp\is-5APT1.tmp\3d00a2a99a0b63d18fa0a89891871796693f8d5c3c3d63e6e79dd50db44ef91d.tmp" /SL5="$602CA,1818894,405504,C:\Users\Admin\AppData\Local\Temp\3d00a2a99a0b63d18fa0a89891871796693f8d5c3c3d63e6e79dd50db44ef91d.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1232
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:920
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4848
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3788

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftEdgeUpdateBroker.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateBroker.exe
        • Size 125KB
        • SHA256 aaf9784e98a4d2374772f57abfc218001a6965e2b5f62f6ec056b9b28fdc5daa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 575KB
        • SHA256 9816d375733e96136432375db5f2a6d4035f574add8500fa569dad58569fe0bc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        vcredist_x86.exe

        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 481KB
        • SHA256 827a0e8827f3c1db2715fc7b2c5c5a92ac3deedd294f7b40622093cb92c328eb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        $$a2DE1.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a2DE1.bat
        • Size 722B
        • SHA256 9e0f3bb14da63c8eae7e386318a58bdf6b7fcc1fa3517231d37a8767b3751751
        • MD5 SHA1 SHA512 TLSH

        3d00a2a99a0b63d18fa0a89891871796693f8d5c3c3d63e6e79dd50db44ef91d.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3d00a2a99a0b63d18fa0a89891871796693f8d5c3c3d63e6e79dd50db44ef91d.exe
        • Size 2.3MB
        • SHA256 552775dd6faf5c5efb881fa09707b122ea394d352f66680df5030663f9e2f908
        • MD5 SHA1 SHA512 SSDEEP TLSH

        3d00a2a99a0b63d18fa0a89891871796693f8d5c3c3d63e6e79dd50db44ef91d.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\is-5APT1.tmp\3d00a2a99a0b63d18fa0a89891871796693f8d5c3c3d63e6e79dd50db44ef91d.tmp
        • Size 1.0MB
        • SHA256 a44c9214f56aec3a71725eb86af6cafa9c8cd6eba82d63135ac62d189bcc0696
        • MD5 SHA1 SHA512 SSDEEP TLSH

        rundl132.exe

        • Path C:\Windows\rundl132.exe
        • Size 26KB
        • SHA256 87d26ba9f878b74e6965926075f1e69af633d4b8623a732f088fa654521d4b7d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-1679180529-4058988202-686829476-1000\_desktop.ini
        • Size 8B
        • SHA256 f29189eb11965eb3f457dcfc9961541cf5820960ece28657e097c84d9236f547
        • MD5 SHA1 SHA512

        memory/920-5033-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/920-26-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/920-8-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/920-1248-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/920-1011-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/920-5540-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/920-37-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/920-47-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/920-55-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1140-9-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1140-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/1232-30-0x00000000006F0000-0x00000000006F1000-memory.dmp

        memory/1232-29-0x0000000000400000-0x0000000000513000-memory.dmp

        memory/1232-23-0x00000000006F0000-0x00000000006F1000-memory.dmp

        memory/3912-28-0x0000000000400000-0x000000000046A000-memory.dmp

        memory/3912-18-0x0000000000400000-0x000000000046A000-memory.dmp