Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2024 01:11

General

  • Target

    8ab5333e54b83f7e920eb51d308b5a5fd6798ca530ef683ddf6360d5c10f3153.exe

  • Size

    1.3MB

  • MD5

    9da793b606f0e48141a94caa8eae97f9

  • SHA1

    f459ba585097b971445e92dae8077c4c60e1d7c7

  • SHA256

    8ab5333e54b83f7e920eb51d308b5a5fd6798ca530ef683ddf6360d5c10f3153

  • SHA512

    8d74a7fa050414e4d93f393a7253cfa23fd62de1fe424e574f6a96bc4be3a79664d3ff1473fe4807936b0105b24b836b98f39ce6c205088e815f1ec57032cba9

  • SSDEEP

    12288:iVgvmzFHi0mo5aH0qMzd5807FAPJQPDHvd:iVgvOHi0mGaH0qSdPFS4V

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 3 IoCs
  • UAC bypass 3 TTPs 12 IoCs
  • Adds policy Run key to start application 2 TTPs 26 IoCs
  • Disables RegEdit via registry modification 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 3 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 64 IoCs
  • Checks whether UAC is enabled 1 TTPs 6 IoCs
  • Hijack Execution Flow: Executable Installer File Permissions Weakness 1 TTPs 3 IoCs

    Possible Turn off User Account Control's privilege elevation for standard users.

  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • System policy modification 1 TTPs 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ab5333e54b83f7e920eb51d308b5a5fd6798ca530ef683ddf6360d5c10f3153.exe
    "C:\Users\Admin\AppData\Local\Temp\8ab5333e54b83f7e920eb51d308b5a5fd6798ca530ef683ddf6360d5c10f3153.exe"
    1⤵
    • Modifies WinLogon for persistence
    • UAC bypass
    • Adds policy Run key to start application
    • Disables RegEdit via registry modification
    • Loads dropped DLL
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Hijack Execution Flow: Executable Installer File Permissions Weakness
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2824
    • C:\Users\Admin\AppData\Local\Temp\wjhxaek.exe
      "C:\Users\Admin\AppData\Local\Temp\wjhxaek.exe" "-"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Hijack Execution Flow: Executable Installer File Permissions Weakness
      • System Location Discovery: System Language Discovery
      • System policy modification
      PID:2564
    • C:\Users\Admin\AppData\Local\Temp\wjhxaek.exe
      "C:\Users\Admin\AppData\Local\Temp\wjhxaek.exe" "-"
      2⤵
      • Modifies WinLogon for persistence
      • UAC bypass
      • Adds policy Run key to start application
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Impair Defenses: Safe Mode Boot
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Hijack Execution Flow: Executable Installer File Permissions Weakness
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • System policy modification
      PID:2552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\irlxwwyihhqjzenyuxktnzyya.jjs

    Filesize

    280B

    MD5

    5c8eec0b559388f4ca9049366f848ed3

    SHA1

    2e33338418df719646e1a0791d2c09eefd49cd94

    SHA256

    3d3b0056a007a3224e253a19fad2c3f63cfd8067e4848a850e3999b77429ee55

    SHA512

    dfde8776313812e0d6b4ab6e5592a1cd400c6882efe18c1c94e1e9d8a019505132257f0ce8ada5653651dc3fbd96109c41598d10001b7a1c5c44c1192836b2b3

  • C:\Program Files (x86)\irlxwwyihhqjzenyuxktnzyya.jjs

    Filesize

    280B

    MD5

    aed165160b12068cd4db8a42b926a97e

    SHA1

    752054422ce61cf4d0ea2ed1a187544b112e8e97

    SHA256

    23431d4fdd37cb5c9877c7b4406b7b64186328172da9636a3ea47794427f8cd5

    SHA512

    c2dc3854c8b01f7e16be33f0591ea67fb0a24e98aabe3bdb7755e5eb7cb4f8ff462a53268368731224ff418265028911707bf550636b92568eb0d51b8b63300d

  • C:\Program Files (x86)\irlxwwyihhqjzenyuxktnzyya.jjs

    Filesize

    280B

    MD5

    e309ba1c4be57cec0d60d7475a96c961

    SHA1

    c41ca9f521f27e1b6c12812e3d549bed6799b645

    SHA256

    4dd17b3da78af46f7dcb5772da945564e1b31be4ece99a07f624093851db800d

    SHA512

    96121bfd964fb2314bf32ba03598125891e629cbcb59a5d14d13d308231a1830a027d17c037d57e6ac76981701aff6fbc6fb53b3c68e06003618d4e3931ee4cb

  • C:\Program Files (x86)\irlxwwyihhqjzenyuxktnzyya.jjs

    Filesize

    280B

    MD5

    96613274fcec5b935eb69f719665609e

    SHA1

    4211a8b346a6fd137648d733d5ae833ad1113729

    SHA256

    4f7c2e6801faa99579cded3ee639d33f0af50279aaabfa4d60dce10423190168

    SHA512

    03754f5318cbab6890ff1540b7e711b1702e26be9b02312102a6c4ea253b38561eb9ddc26469c81b7b3e2fd9bd1255bc265bc29c1f9f11f675569eee4bb133a0

  • C:\Program Files (x86)\irlxwwyihhqjzenyuxktnzyya.jjs

    Filesize

    280B

    MD5

    73d1ff99a01bcdb48e7a9e09fe70c1f6

    SHA1

    522ec929779866395ef36ce14f9fe0ee206db693

    SHA256

    bf58f59d9d938726355fb967c84ada7427ad69abd6823edcee4ea95fc84149f3

    SHA512

    31e63dcc262c7946fdec61c4de47641d7ba55651e4069af94c85d21310bcd7d23416642093890108d3a8eb8ab1a9916024b8ee33b8119fed889bfb08f7f31521

  • C:\Program Files (x86)\irlxwwyihhqjzenyuxktnzyya.jjs

    Filesize

    280B

    MD5

    cbeed0882563d6bee8c7aa7dd6fb0066

    SHA1

    18bf6b8dfdddf16a1394c1dd526ca1a4ec5abfde

    SHA256

    0587e7fef6e72c2a914ef1327c9dbbf1518e02cf4b03e32346317d536a7f2e8d

    SHA512

    c9a55ed5561287db4e4688660be607f2668eda9fd487c89a1f034dc8788d2e825cc754cce3205776db256ab830c79657fcb8135d8f86793fd3fbc12ae416f575

  • C:\Users\Admin\AppData\Local\irlxwwyihhqjzenyuxktnzyya.jjs

    Filesize

    280B

    MD5

    a857dc2e8299cef5a31de049f50171b6

    SHA1

    249950edf2d8a0e74fcf21c275a12459d5589409

    SHA256

    00515129f32aeb1b309b197fbae9d2cf413869cbf28e06eff9031da6a5bb92bb

    SHA512

    05f8c52781cd1dcae7753230e5df32c7fe493ba1041832c8c34de1b956ac1463f07a283a6a3e5272ec4fc595a86db7f49aa75875d1509d769244d8c24cbdd188

  • C:\Users\Admin\AppData\Local\irlxwwyihhqjzenyuxktnzyya.jjs

    Filesize

    280B

    MD5

    c50fe96e652c48dd0bd76f7789957c92

    SHA1

    a2ecda339b0fb538213066560d3849c02ac8fec7

    SHA256

    5a52c2396db0c2b37d9bb3d0effc13bb563263444199066b40af7b08998a85d9

    SHA512

    f39deb1bf6939480a84b265d6e5d259f9e5c03bcb1503d0f99fd6eb2856279b03e17b9fe5006e226bdd04e3eeb9a9c19e11897ecfdf3942f264388fd99d2e52d

  • C:\Users\Admin\AppData\Local\irlxwwyihhqjzenyuxktnzyya.jjs

    Filesize

    280B

    MD5

    bb0d1cc08437856e80c83f3ef6dc607d

    SHA1

    247f6542b232a2ccfb6286d023060caf425f955c

    SHA256

    63a1b3dc940cd2068c016476ef4e119dbc5b9bc080f2585d90037a4e79833655

    SHA512

    8df1668b0a5bf3c3acf575a58c4bce9f34027a69cfaa07e5fdb9b55400fa7ad207b543959857c90bb16057b40c50a8837ae9e9334fb1ab5efedc47b8296f0879

  • C:\Users\Admin\AppData\Local\nhmjtermwhbfgwqmthfzeblwjeoztxyoielz.rwt

    Filesize

    4KB

    MD5

    9c56865bafa6f777ff30f8483927398e

    SHA1

    b9358a455d2fbcb40e03132b980ecabbc449bea5

    SHA256

    aebab375d56add90df69e98c307b3c8aac2b9c679033e69aff78d36d95dce9dd

    SHA512

    6e89d0aa4e536e54c26521ffe8c2dcf666c39276c85573ed10ed706f221d2c2b1d31233cb39cb72a588ed8de5e0a925b56973397ca3dcc3dd6330c00264e23c2

  • \Users\Admin\AppData\Local\Temp\wjhxaek.exe

    Filesize

    2.1MB

    MD5

    fe4a57a3f20c1fd12eb5e6b3d67daa16

    SHA1

    5f229d6434d827bae4084a9b47841bd477e752cd

    SHA256

    7385c0e48b7c340a83e6df5e8c4a99a3a7a6400eac76820cfa0432aed2aaf468

    SHA512

    98378de46effac401dbdb185d2059a73e75b24dcdb87d658b1371647323fa968c600edf3128cf14b98dff2f8222e31a3018fb2c48962742b44a07943159ad684