Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-05-2024 02:42

General

  • Target

    b98e912f79ae55ec2632dae6236d273ff980256198380c7040a9df6c8d7b3a5c.exe

  • Size

    12KB

  • MD5

    67e81f88bb14393c53ed7b9054c35ba7

  • SHA1

    a21010018af879adb5af4069d2b2e664fd9c670d

  • SHA256

    b98e912f79ae55ec2632dae6236d273ff980256198380c7040a9df6c8d7b3a5c

  • SHA512

    462a8796cdeb967f9bfd4eb92a637b266708df6654f969197f2332477a2f6d59ed44644c3f1a2217ec3016220e161b13e8e3def6051acc849c10fac1af3f4020

  • SSDEEP

    384:BL7li/2z2q2DcEQvdQcJKLTp/NK9xabr:hmMCQ9cbr

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b98e912f79ae55ec2632dae6236d273ff980256198380c7040a9df6c8d7b3a5c.exe
    "C:\Users\Admin\AppData\Local\Temp\b98e912f79ae55ec2632dae6236d273ff980256198380c7040a9df6c8d7b3a5c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3084
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\ulzariic\ulzariic.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3232
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES3BF0.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc7E81B172D9F04DDBA575EAC3D6B6F381.TMP"
        3⤵
          PID:3060
      • C:\Users\Admin\AppData\Local\Temp\tmp3A89.tmp.exe
        "C:\Users\Admin\AppData\Local\Temp\tmp3A89.tmp.exe" C:\Users\Admin\AppData\Local\Temp\b98e912f79ae55ec2632dae6236d273ff980256198380c7040a9df6c8d7b3a5c.exe
        2⤵
        • Deletes itself
        • Executes dropped EXE
        PID:2620

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RE.resources

      Filesize

      2KB

      MD5

      ec5a42f2c4b2b14ed037b68a22e717ff

      SHA1

      4d843951c157ce945d7da2b1329274d652e7facb

      SHA256

      44f67769b880eea97b602280ab0b14115c6931ca71961fd2954f1a73af036e05

      SHA512

      2ff06d8201573b4d7c560b262142e8a588f82d96dc00c27290f4cacd501a4adb524c44db51fcbe12b34939475a6fca88db98bd948f3a8a811a72eca1adfb023c

    • C:\Users\Admin\AppData\Local\Temp\RES3BF0.tmp

      Filesize

      1KB

      MD5

      9696e441b8cf60f09b82d11e516cf1f0

      SHA1

      06d6878dbd1e77e01fdc676dc577f362dd47704e

      SHA256

      fab6a8c292764386576efda9acf4b20d6f96cd79e6d8300c9e181e5b90c90d3e

      SHA512

      f658dcfcbb58465b8954b3c0a2988274ce78f03a9bc904cbc32ea5f13a1c0148b6d2f7bb47806b9ac42f066107324e3b6d740259500ad5aef672f9a3da78ed73

    • C:\Users\Admin\AppData\Local\Temp\tmp3A89.tmp.exe

      Filesize

      12KB

      MD5

      6afe37438105b1509e9d8c4a8c0c37f7

      SHA1

      740d2fd2bd193a3c84d5ecf66ce8e2e04b4feeab

      SHA256

      80526ff2de748401c8adb1dc2cb4b0a088bcd629fef4b49e4a5842fb61d7dc91

      SHA512

      74f2ca3e6add0de1872bf6ecc582798f6fabb3b9673e507e617d78237f07fa0cbcc775f3ccaccf95a37aa608c014b01843de79b965c38ba51612f39d2c10b26f

    • C:\Users\Admin\AppData\Local\Temp\ulzariic\ulzariic.0.vb

      Filesize

      2KB

      MD5

      a5804d90f99c38d4755893fbc2a942af

      SHA1

      32f2d4d498955536dbc1bc871bd0272ec9c49610

      SHA256

      ccaf4c3a6d08526bc58a0917df0095af4edbb3a625f3f471f3f6f6cba531da0b

      SHA512

      5e50f4e056c885f6209103def0619c5927de6f34aa490660d02ab64c223c2d69ed4bb6c9697c3673d82bbbbdf66c107d75d438da79dd696ee21259986ee7ad48

    • C:\Users\Admin\AppData\Local\Temp\ulzariic\ulzariic.cmdline

      Filesize

      273B

      MD5

      6108be424b16c80d0fb08e10bb22eb67

      SHA1

      891f3f7589ff333c03e90bd5599f54cdf1823c63

      SHA256

      32179fe29001126c307eecb7bf9b9d1eaa9bb901034b653dc8518271144794e0

      SHA512

      7f02564e09d7a82dddc040cb4ffd265bef615b2f2514dcecc5ffd0d5e8e36f731f102f169df8aff743df93acde06c3a21c7e05e09cdf9f0f51ba9aea0f640ec0

    • C:\Users\Admin\AppData\Local\Temp\vbc7E81B172D9F04DDBA575EAC3D6B6F381.TMP

      Filesize

      1KB

      MD5

      36067e06d39fa2b270b2d79f283a3809

      SHA1

      4d02a29b8dbecc64b9d30901bc3f13859a9837ef

      SHA256

      25a17ffd5c4b0cb158c0be6e6294d9b26d8753bbf8a0cf9b5f1b6e32c5b9d41c

      SHA512

      aa0e60d05b5669fcb8b4ebe70eaa2ae83a474ac99898a6a77bb0ee1a784e268bd15a87edb612c6ebc34c7726469db42c4b09e6436917b2f654c41e00a441fc17

    • memory/2620-25-0x0000000000F10000-0x0000000000F1A000-memory.dmp

      Filesize

      40KB

    • memory/2620-26-0x0000000074E10000-0x00000000755C0000-memory.dmp

      Filesize

      7.7MB

    • memory/2620-27-0x0000000005E00000-0x00000000063A4000-memory.dmp

      Filesize

      5.6MB

    • memory/2620-28-0x00000000058F0000-0x0000000005982000-memory.dmp

      Filesize

      584KB

    • memory/2620-30-0x0000000074E10000-0x00000000755C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3084-0-0x0000000074E1E000-0x0000000074E1F000-memory.dmp

      Filesize

      4KB

    • memory/3084-8-0x0000000074E10000-0x00000000755C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3084-2-0x00000000057C0000-0x000000000585C000-memory.dmp

      Filesize

      624KB

    • memory/3084-1-0x0000000000D60000-0x0000000000D6A000-memory.dmp

      Filesize

      40KB

    • memory/3084-24-0x0000000074E10000-0x00000000755C0000-memory.dmp

      Filesize

      7.7MB