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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/11/2023, 23:37

General

  • Target

    44780821d40e232f3436c1aff3adba32b4619b589eb9a775fde0f59b65d1184d.exe

  • Size

    5.6MB

  • MD5

    c7170aa843907080b00c0f90ff397d80

  • SHA1

    866f4b062cf07f539c1162adbeb43f83f29bf592

  • SHA256

    44780821d40e232f3436c1aff3adba32b4619b589eb9a775fde0f59b65d1184d

  • SHA512

    e7514f70b95ffaf13c288a166f5a437e6828b1bb2ae607dda40c73c53db32bebb51a9cb308c4b3d2f67a9d61c617ec2d9aa30427130a2cbf4468c121bfd9ddf7

  • SSDEEP

    98304:7iRmxZFsM4kxzDcT+GcY437KvDwEHuujlsaSzsC0p43MpQdZ9nc+fsCb+oSBAON6:eRm1syxacY48eda2TMpQdZ9nc+fyhNjG

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 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 34 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44780821d40e232f3436c1aff3adba32b4619b589eb9a775fde0f59b65d1184d.exe
    "C:\Users\Admin\AppData\Local\Temp\44780821d40e232f3436c1aff3adba32b4619b589eb9a775fde0f59b65d1184d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3876
    • C:\Users\Admin\AppData\Local\Temp\is-P56J7.tmp\is-HSL9P.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-P56J7.tmp\is-HSL9P.tmp" /SL4 $C003E "C:\Users\Admin\AppData\Local\Temp\44780821d40e232f3436c1aff3adba32b4619b589eb9a775fde0f59b65d1184d.exe" 5597940 141824
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2952
      • C:\Windows\SysWOW64\net.exe
        "C:\Windows\system32\net.exe" helpmsg 2
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4540
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 helpmsg 2
          4⤵
            PID:3268
        • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe
          "C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe" -i
          3⤵
          • Executes dropped EXE
          PID:3940
        • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe
          "C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe" -s
          3⤵
          • Executes dropped EXE
          PID:1156
    • C:\Windows\system32\rundll32.exe
      "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
      1⤵
        PID:4332
      • C:\Windows\System32\svchost.exe
        C:\Windows\System32\svchost.exe -k UnistackSvcGroup
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4828

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe

        Filesize

        4.4MB

        MD5

        81bf17b6bc712eec07e481349afc3dbc

        SHA1

        eedecca191d3a6b1f16483714343fe1019d7fc62

        SHA256

        81baf334067384061f84fb8335cd811aa22984601ad103e3f575f0a5cb9a639b

        SHA512

        3aa53bfc176d2313e7a02c8f3511e1892adcacf02ee28135e5ae46b1224fdfaef6ddcba8b5f9b340c40c39d22b87d23468401df2c84ac57c57fdeabf2f302171

      • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe

        Filesize

        4.4MB

        MD5

        81bf17b6bc712eec07e481349afc3dbc

        SHA1

        eedecca191d3a6b1f16483714343fe1019d7fc62

        SHA256

        81baf334067384061f84fb8335cd811aa22984601ad103e3f575f0a5cb9a639b

        SHA512

        3aa53bfc176d2313e7a02c8f3511e1892adcacf02ee28135e5ae46b1224fdfaef6ddcba8b5f9b340c40c39d22b87d23468401df2c84ac57c57fdeabf2f302171

      • C:\Program Files (x86)\Smart Projects\IsoBuster\IsoBuster_1121.exe

        Filesize

        4.4MB

        MD5

        81bf17b6bc712eec07e481349afc3dbc

        SHA1

        eedecca191d3a6b1f16483714343fe1019d7fc62

        SHA256

        81baf334067384061f84fb8335cd811aa22984601ad103e3f575f0a5cb9a639b

        SHA512

        3aa53bfc176d2313e7a02c8f3511e1892adcacf02ee28135e5ae46b1224fdfaef6ddcba8b5f9b340c40c39d22b87d23468401df2c84ac57c57fdeabf2f302171

      • C:\Users\Admin\AppData\Local\Comms\UnistoreDB\store.jfm

        Filesize

        16KB

        MD5

        85a1abf435c2191cdbf553a6cbc79313

        SHA1

        8e7c80783eb7b223f43e4ba894cac196ec3a9a63

        SHA256

        fd728064ad65d32a9e528e4dd854a5b83111285d68e4a37f3a9dd2730b1bed0c

        SHA512

        d1e76d268d2029fb4d81e15112c9ea200342237542cb640beb4c73a83c904ed5f87d3e98e393ef8d660b4ad3c836b928c356f78443813604e1b7528ce3d654f9

      • C:\Users\Admin\AppData\Local\Temp\is-GR797.tmp\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-P56J7.tmp\is-HSL9P.tmp

        Filesize

        642KB

        MD5

        e57693101a63b1f934f462bc7a2ef093

        SHA1

        2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

        SHA256

        71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

        SHA512

        3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

      • C:\Users\Admin\AppData\Local\Temp\is-P56J7.tmp\is-HSL9P.tmp

        Filesize

        642KB

        MD5

        e57693101a63b1f934f462bc7a2ef093

        SHA1

        2748ea8c66b980f14c9ce36c1c3061e690cf3ce7

        SHA256

        71267ff94c9fc72cbffaeed3bc2f33cef1eeb1887c29c574d7f26595d1a6235f

        SHA512

        3dcda686a85b19a9c7b4c96d132e90ed43c7df13ce9456beb2b88c278d8068cc3abcbfe25b1607c7b8281d276efb24809730f352927b326254f3208cbdf54a3e

      • memory/1156-118-0x0000000000B90000-0x0000000000C34000-memory.dmp

        Filesize

        656KB

      • memory/1156-105-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/1156-117-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/1156-121-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/1156-90-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/1156-113-0x0000000000B90000-0x0000000000C34000-memory.dmp

        Filesize

        656KB

      • memory/1156-111-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/1156-108-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/1156-95-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/1156-96-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/1156-99-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/1156-102-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/2952-94-0x0000000000400000-0x00000000004CF000-memory.dmp

        Filesize

        828KB

      • memory/2952-92-0x0000000002250000-0x0000000002251000-memory.dmp

        Filesize

        4KB

      • memory/2952-7-0x0000000002250000-0x0000000002251000-memory.dmp

        Filesize

        4KB

      • memory/3876-1-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

      • memory/3876-91-0x0000000000400000-0x0000000000429000-memory.dmp

        Filesize

        164KB

      • memory/3940-86-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/3940-84-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/3940-82-0x0000000000400000-0x000000000086F000-memory.dmp

        Filesize

        4.4MB

      • memory/4828-122-0x0000018143840000-0x0000018143850000-memory.dmp

        Filesize

        64KB

      • memory/4828-138-0x0000018143940000-0x0000018143950000-memory.dmp

        Filesize

        64KB

      • memory/4828-154-0x000001814BF20000-0x000001814BF21000-memory.dmp

        Filesize

        4KB

      • memory/4828-155-0x000001814BF40000-0x000001814BF41000-memory.dmp

        Filesize

        4KB