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Analysis

  • max time kernel
    143s
  • max time network
    133s
  • platform
    windows10-1703_x64
  • resource
    win10-20231020-en
  • resource tags

    arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11/12/2023, 13:49

General

  • Target

    aee365986d52d9c755b5fbeb1ea4ad20a2b146fa11c4fd3ef6a991144454a189.exe

  • Size

    6.9MB

  • MD5

    bd2f39e7df636fbbf78f453d5fce7545

  • SHA1

    9b82af2f5c97da41e879eae71ca43eb4075dd248

  • SHA256

    aee365986d52d9c755b5fbeb1ea4ad20a2b146fa11c4fd3ef6a991144454a189

  • SHA512

    888d36172328e2726bb81ed823dc466aa73496069615bdc13153fd912781410d240d5fab91477c80874b7967eccaa595bc8fb627d5ba60bc481fcfeaf96c30ae

  • SSDEEP

    196608:JDoG3bFqjpLC0TSMLsn33HR83v9i8l7INzj:JDyNLCWZ2HS9iQ7INzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 63 IoCs
  • Runs net.exe
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aee365986d52d9c755b5fbeb1ea4ad20a2b146fa11c4fd3ef6a991144454a189.exe
    "C:\Users\Admin\AppData\Local\Temp\aee365986d52d9c755b5fbeb1ea4ad20a2b146fa11c4fd3ef6a991144454a189.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4604
    • C:\Users\Admin\AppData\Local\Temp\is-PF6P2.tmp\aee365986d52d9c755b5fbeb1ea4ad20a2b146fa11c4fd3ef6a991144454a189.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-PF6P2.tmp\aee365986d52d9c755b5fbeb1ea4ad20a2b146fa11c4fd3ef6a991144454a189.tmp" /SL5="$70214,6971036,68096,C:\Users\Admin\AppData\Local\Temp\aee365986d52d9c755b5fbeb1ea4ad20a2b146fa11c4fd3ef6a991144454a189.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:3888
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:4428
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3108
        • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe
          "C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1992
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 11
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4224
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 11
      1⤵
        PID:4928

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

        Filesize

        807KB

        MD5

        89813984b8b14d2c7db1de2dc268cd6f

        SHA1

        18fa94bacb768cfbfd59b523dd89c413209d55be

        SHA256

        a718b4e9f16d5d12f9b996146e818df378a4c3fc854d2b0a81e0faa754e87b22

        SHA512

        18b4419b1832fa37251db5c5fc8aa9c38ca16b79e377e4039a0b64584c032e065d285bb5bad45546e3f2be035ac3e1dc2c9ed461acc84888d38ebe5c7403575b

      • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

        Filesize

        1.3MB

        MD5

        d24820343ac632132e4a52443cbef9a8

        SHA1

        968cc9163fc542e96d8ca48ed96d387b5b3606bc

        SHA256

        c1c79cddccebff4fc812bd9e591d2232a28aaa4b4e9e1d37a7ba7c1f378ac1fe

        SHA512

        fe34964e55b334dbcb328ff6ee506063a85bcb3ace99a7f53eacbe75b2dbc5c83d663fc4a39031260e896704aa103e2f935e831ce5d9fd54544db54df70cb593

      • C:\Program Files (x86)\ConvertWMA\wmaconvert.exe

        Filesize

        336KB

        MD5

        dc39c74a6ffd60675060ff27fd6108ec

        SHA1

        ea3432c12e412346366f5174089c743331a22d69

        SHA256

        e7ae17c845944a9a2444e62ccad0dc8dff6a4eaa6586d95053554d28741df480

        SHA512

        df0ac28000fd519f764e99a1d7fa18220cad08038d274d267839dc64bfb0250daf17afc7b0c162f5101ef72be8f34f4cae6a9d4497e52c5dfe722e4a86dcd475

      • C:\Users\Admin\AppData\Local\Temp\is-PF6P2.tmp\aee365986d52d9c755b5fbeb1ea4ad20a2b146fa11c4fd3ef6a991144454a189.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • \Users\Admin\AppData\Local\Temp\is-3MNBM.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • \Users\Admin\AppData\Local\Temp\is-3MNBM.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • memory/1992-195-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1992-208-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1992-202-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1992-159-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1992-157-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1992-192-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1992-205-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1992-180-0x0000000000740000-0x00000000007DE000-memory.dmp

        Filesize

        632KB

      • memory/1992-198-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1992-189-0x0000000000740000-0x00000000007DE000-memory.dmp

        Filesize

        632KB

      • memory/1992-188-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1992-162-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1992-185-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1992-166-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1992-167-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1992-170-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1992-173-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1992-176-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/1992-179-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3108-151-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3108-154-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3108-155-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3108-152-0x0000000000400000-0x00000000005CF000-memory.dmp

        Filesize

        1.8MB

      • memory/3888-163-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/3888-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/3888-7-0x00000000001F0000-0x00000000001F1000-memory.dmp

        Filesize

        4KB

      • memory/4604-160-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4604-0-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB

      • memory/4604-2-0x0000000000400000-0x0000000000418000-memory.dmp

        Filesize

        96KB