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Overview

overview

7

Static

static

3

4377d50c2c...d3.exe

windows7-x64

3

4377d50c2c...d3.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    90s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/01/2024, 06:32

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General

  • Target

    4377d50c2c4942f7e75191d36d2438ee77af80aeb85a0a64b8a85343a12b64d3.exe

  • Size

    1.1MB

  • MD5

    a5804c8bf24c287f5645b3dc5d6db759

  • SHA1

    2ee81bf5868785878044ac2fec05793f4ae970bd

  • SHA256

    4377d50c2c4942f7e75191d36d2438ee77af80aeb85a0a64b8a85343a12b64d3

  • SHA512

    855b8afe6079b214f374c44c2fb3a68679eda21d3646919c5f832d7ad1b5715c34936e7639caeed934a01128eec88110d4b9be8cdf1362e23648f9752e05b362

  • SSDEEP

    24576:CH0dl8myX9Bg42QoXFkrzkmmlSgRDko0lG4Z8r7Qfbkiu5Ql:CcaClSFlG4ZM7QzMO

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 5 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4377d50c2c4942f7e75191d36d2438ee77af80aeb85a0a64b8a85343a12b64d3.exe
    "C:\Users\Admin\AppData\Local\Temp\4377d50c2c4942f7e75191d36d2438ee77af80aeb85a0a64b8a85343a12b64d3.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2920
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2664
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        3⤵
        • Checks computer location settings
        • Deletes itself
        • Executes dropped EXE
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1284
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
          4⤵
          • Checks computer location settings
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:1652
          • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2064
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
          4⤵
          • Checks computer location settings
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:3188
          • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Config.ini
    Filesize

    92B

    MD5

    67b9b3e2ded7086f393ebbc36c5e7bca

    SHA1

    e6299d0450b9a92a18cc23b5704a2b475652c790

    SHA256

    44063c266686263f14cd2a83fee124fb3e61a9171a6aab69709464f49511011d

    SHA512

    826fbc9481f46b1ae3db828a665c55c349023caf563e6e8c17321f5f3af3e4c3914955db6f0eebfc6defe561315435d47310b4d0499ab9c2c85bb61264dedc09

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  • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
    Filesize

    753B

    MD5

    5d8f52544209ea29552eb8db687a8828

    SHA1

    d1d4c5c889bd50e498c168c84bebb13fea6ef3cd

    SHA256

    8659a08e56684326b81fdbfd6f05d1c3b95d6d2ae10ccc595435bcea11936acb

    SHA512

    10f8be2b5e78aa4e691a11199ca1f89f1c15682052f830222ae7b7591404742b76435dbec03fa6af9be0e208cf02d085f24aca4ca919f5786241068379ef1b78

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  • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
    Filesize

    696B

    MD5

    3be529c48598ce74c5871846d63ca15c

    SHA1

    93bb8e6882b776b47589ffa48116e17c98071383

    SHA256

    f9f80c033a3cb1e2e9a8aa108427d6985dd2a08c2bea70e4dda2309f03ab7b2a

    SHA512

    e848a532aa9acfddfb754e081353660af23f3d0ee7720f6162fc5e8a2104d98b7be8aa461ea274a311634ae3b5b0bd219731da7d6b43c3b381de56d03bb43608

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  • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
    Filesize

    1.1MB

    MD5

    f3ed3b3e73d2180680fd6b5512dc3073

    SHA1

    4125f7c28af1889face5d070764b060b21aed2c4

    SHA256

    ef0de1e66d3a97a260b097d739098e15c382e4fbd0f6b527bcfc3dd5177a5e7a

    SHA512

    1f92e13d4fc8c6bbcb1b89bc5c819275906c5d21e993d37020a920252adf5333478820ca7c11b7d3af4610c4f58de368a15c6f90c1febac6733eef3bbc132164

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  • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
    Filesize

    1.1MB

    MD5

    c6ca3325797a8588df19640fddb23aec

    SHA1

    9522fb5d44877c4cf7fb5e77be5ad1797443e56b

    SHA256

    53116488787ced214e6980cc8e927799666a1f3db587c36a10c3a05581ca3b0d

    SHA512

    9414887c21006c395c1d268e0171831610091eb526554802f4cb0769f152cf0a0b67220d1a46c0c2379c69e5ba2b4e3bf2c1c1aab7eed44ccd74cc08f64b9b04

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