Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2023 07:59

General

  • Target

    1094b89a4c6b041249eed29570daac04.exe

  • Size

    1.3MB

  • MD5

    1094b89a4c6b041249eed29570daac04

  • SHA1

    dee227a62dc7521f46f37eaca8a0d33513e102bc

  • SHA256

    cf3265ddd8a7c75fe5a40ec8f57185175c413b074bdf3cb654fe8e65198e26b8

  • SHA512

    28c9ab5e5bf3a312cbf1d588fe719ff080a626a8c079a8eed8abdf687521ee02b5a3199b7a034408d9c8e7b143700245db9223cdd3637a901e60467f8da4d985

  • SSDEEP

    24576:abGAEhADYqbFR9A7aCIwYJTRCc33q73vk/Zs8zJNCmHUPxlqFPB7A9g1N:8Eh8bjUc33q7/eZXUPqPBc0

Score
7/10
upx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1094b89a4c6b041249eed29570daac04.exe
    "C:\Users\Admin\AppData\Local\Temp\1094b89a4c6b041249eed29570daac04.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4444
    • C:\Windows\Monobole.EXE
      "C:\Windows\Monobole.EXE"
      2⤵
      • Executes dropped EXE
      PID:4436
    • C:\Windows\tmp.tmp.tmp1
      C:\Windows\tmp.tmp.tmp1
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      PID:3504
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x50c 0x514
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Monobole.EXE

    Filesize

    672KB

    MD5

    9cf74972fcd30f2741ed8268427b319c

    SHA1

    5b2857be725b42df6abfafad462eec302ea6f068

    SHA256

    a2fb825d02667b92786d6afb83d9ff0c109bfad5610e56d83686cf472af88f13

    SHA512

    2b20646b764ef6a5b04deebe1a7f670a339dcdb00b76165963327dc868b6948cd55ae15e979f775ef1bfe92cdbcfeb1fafe5ae6a9bbae0c171a11b7ae8c86822

  • C:\Windows\Monobole.EXE

    Filesize

    939KB

    MD5

    a833ee9bd065b5623cf88359ac6b6196

    SHA1

    2ce155eace5843df6f641d49227335e7cf8f105a

    SHA256

    db9bdae2e04fbfc6b64ae4a0cfa7da3f799a4861e7a3293bf5843e32533a1991

    SHA512

    531b2f5447c75cd025952b7ad6edf757b2d1adc0bdcbca5131cf4062bc2b24bd41103d0597422adce9717a7835b2e66b45734bc735f63a54a5ffba6ee45cd90f

  • C:\Windows\Monobole.EXE

    Filesize

    1.1MB

    MD5

    b5c8315431bf8351bb77424f15fdc359

    SHA1

    7add6c995e1925f6fb4bf1fc5c07b8043cc71c61

    SHA256

    66a366391c212badb0ab16ef991b79359b044759abbfb598d43962231ec49236

    SHA512

    87419323a17615a47666ed22d96131e13d5e8a7a9dad3271aa106f65806e8708218dbfe51e275f965ba5d05bec07057650f3d5332817f06657d53ea4e6f3c6ab

  • C:\Windows\tmp.tmp.tmp1

    Filesize

    101KB

    MD5

    afd3ad021ddab1cad2cfbafe0379e699

    SHA1

    3cc8a82ed9beb093e3d0614ae22c6a441812897b

    SHA256

    bc11112c374a0197cbfa2fdf826398e39d82b8fe00de160cce78a76689cd4d3c

    SHA512

    8827d631beb29bf005b45750af90a26ffd1836e186758beeb628134598904e5837633ca1c37bf7d6fc957725b25410f8ee55435134a0833714be3c5a0352241a

  • memory/3504-20-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB

  • memory/3504-22-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB