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Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/12/2023, 14:10

General

  • Target

    135b479028a5e114e56cc56312c96679bbdf862fc752aeffc10734188c8e66b2.exe

  • Size

    7.2MB

  • MD5

    163363adc92ccfabf9ea3ea3336515c5

  • SHA1

    2cb2bd4eeef9d8fb07c1f7f142db179bded9d8f4

  • SHA256

    135b479028a5e114e56cc56312c96679bbdf862fc752aeffc10734188c8e66b2

  • SHA512

    457fa713a54b1a75e1e8d02bec74d87ef509c38b9097a8e649cb1a2b60ea4559ef4a3b86ef863779f52634c83328027c679d6db2dd248b054e08d5506d913108

  • SSDEEP

    196608:Dxm50EF70ZaWLZ97vnC8LpS7+bI9cpSzj:JEt0Zak7aIA7kSzj

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 3 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\135b479028a5e114e56cc56312c96679bbdf862fc752aeffc10734188c8e66b2.exe
    "C:\Users\Admin\AppData\Local\Temp\135b479028a5e114e56cc56312c96679bbdf862fc752aeffc10734188c8e66b2.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:448
    • C:\Users\Admin\AppData\Local\Temp\is-70OM3.tmp\135b479028a5e114e56cc56312c96679bbdf862fc752aeffc10734188c8e66b2.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-70OM3.tmp\135b479028a5e114e56cc56312c96679bbdf862fc752aeffc10734188c8e66b2.tmp" /SL5="$801D2,7257737,121856,C:\Users\Admin\AppData\Local\Temp\135b479028a5e114e56cc56312c96679bbdf862fc752aeffc10734188c8e66b2.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:8
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /Query
        3⤵
          PID:3368
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -i
          3⤵
          • Executes dropped EXE
          PID:1556
        • C:\Program Files (x86)\numGIF\numgif.exe
          "C:\Program Files (x86)\numGIF\numgif.exe" -s
          3⤵
          • Executes dropped EXE
          PID:3924
        • C:\Windows\SysWOW64\net.exe
          "C:\Windows\system32\net.exe" helpmsg 12
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:2252
    • C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 helpmsg 12
      1⤵
        PID:2580

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\numGIF\numgif.exe

        Filesize

        1.3MB

        MD5

        f0ecd487227c7572c0ad2ec660766aed

        SHA1

        82ce9b114f558b8bf97110ad0b973045b3e672b3

        SHA256

        f6a7928e8465579dfcf26e2965f83d6296b4ea1fc4e4d513a7e451def6d49c67

        SHA512

        3a7b11e9cc78d52998788316948e5305b5a0dcd4bcf619bec11c3e8bbce3e3967bba293760d34b2a2b8b6b84d8d554c4fb3e213fb5d7046ea651e91c6a9023c4

      • C:\Program Files (x86)\numGIF\numgif.exe

        Filesize

        1.3MB

        MD5

        0e4ac05374b0e400f1b4e0644fc7b8ef

        SHA1

        12449241d92a1ee2f250a2a9e72a8d4e2bc93fbf

        SHA256

        6a620c0a7e80667781a25d3d779e619be8f0cc67440134e9451d8bc8439ea689

        SHA512

        8b03d53e2614f24628caae9f391f60d8f81bac0e9a5cee6e731b92f49a87b16463b819edfbe4e3db6c801bcf6c2f5756711569457364fb2180b6dbc608d9715e

      • C:\Program Files (x86)\numGIF\numgif.exe

        Filesize

        1.1MB

        MD5

        90eafc753d18b47ee2f95b493a24bc5d

        SHA1

        afa055281571cf69490c90721a4f01d57c0b6ca3

        SHA256

        20714fdac911d835bf2d67d877b1621b1729e284b82a772ffe90fcc1465d4688

        SHA512

        f9c81998f9bb2c04e9b458c6d2010564606e4de681a7a43498d98a74b5662e6cecd20ebfa95d6199741e690556116966b94f3782a4d8ca683635d7b299ea40f4

      • C:\Users\Admin\AppData\Local\Temp\is-3PP5A.tmp\_isetup\_iscrypt.dll

        Filesize

        2KB

        MD5

        a69559718ab506675e907fe49deb71e9

        SHA1

        bc8f404ffdb1960b50c12ff9413c893b56f2e36f

        SHA256

        2f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc

        SHA512

        e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63

      • C:\Users\Admin\AppData\Local\Temp\is-3PP5A.tmp\_isetup\_isdecmp.dll

        Filesize

        19KB

        MD5

        3adaa386b671c2df3bae5b39dc093008

        SHA1

        067cf95fbdb922d81db58432c46930f86d23dded

        SHA256

        71cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38

        SHA512

        bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303

      • C:\Users\Admin\AppData\Local\Temp\is-70OM3.tmp\135b479028a5e114e56cc56312c96679bbdf862fc752aeffc10734188c8e66b2.tmp

        Filesize

        687KB

        MD5

        f448d7f4b76e5c9c3a4eaff16a8b9b73

        SHA1

        31808f1ffa84c954376975b7cdb0007e6b762488

        SHA256

        7233b85eb0f8b3aa5cae3811d727aa8742fec4d1091c120a0fe15006f424cc49

        SHA512

        f8197458cd2764c0b852dac34f9bf361110a7dc86903024a97c7bcd3f77b148342bf45e3c2b60f6af8198ae3b83938dbaad5e007d71a0f88006f3a0618cf36f4

      • memory/8-7-0x0000000000580000-0x0000000000581000-memory.dmp

        Filesize

        4KB

      • memory/8-163-0x0000000000580000-0x0000000000581000-memory.dmp

        Filesize

        4KB

      • memory/8-161-0x0000000000400000-0x00000000004BC000-memory.dmp

        Filesize

        752KB

      • memory/448-160-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/448-2-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/448-0-0x0000000000400000-0x0000000000425000-memory.dmp

        Filesize

        148KB

      • memory/1556-151-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/1556-155-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/1556-154-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/1556-152-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3924-176-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3924-180-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3924-157-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3924-166-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3924-167-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3924-170-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3924-173-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3924-159-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3924-179-0x0000000000950000-0x00000000009EE000-memory.dmp

        Filesize

        632KB

      • memory/3924-162-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3924-183-0x0000000000950000-0x00000000009EE000-memory.dmp

        Filesize

        632KB

      • memory/3924-186-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3924-189-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3924-190-0x0000000000950000-0x00000000009EE000-memory.dmp

        Filesize

        632KB

      • memory/3924-193-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3924-196-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3924-199-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3924-202-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3924-205-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB

      • memory/3924-208-0x0000000000400000-0x0000000000629000-memory.dmp

        Filesize

        2.2MB