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Analysis

  • max time kernel
    38s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2023, 21:44

General

  • Target

    FabFilter Total Bundle v2020.05.18 WIN/Setup FabFilter Total Bundle v2020.05.18.exe

  • Size

    34.7MB

  • MD5

    210b1ca457126bc2ae64c444efdd4fd7

  • SHA1

    371713fb69fecc495e435db6ceb4b2f057ae39c1

  • SHA256

    23770671feaf22bac335c523c15e875d89c80af6c6edb6294e134bedc4b4f823

  • SHA512

    0e289cf570f35f2cefe6fcafb932eceae484a399f643b4631c8a1886c004b89b224b9d0db4d6d78538f675a40cc39c5c775298595ef61f977caeff569ee11112

  • SSDEEP

    786432:BYu125JawuvFYRrQDXyW66yCsX0q+WpAgW2nHH11gQxeh:uuIHkviRrgiL6ybB79n11gQsh

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • 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 47 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FabFilter Total Bundle v2020.05.18 WIN\Setup FabFilter Total Bundle v2020.05.18.exe
    "C:\Users\Admin\AppData\Local\Temp\FabFilter Total Bundle v2020.05.18 WIN\Setup FabFilter Total Bundle v2020.05.18.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1484
    • C:\Users\Admin\AppData\Local\Temp\is-K6L0L.tmp\Setup FabFilter Total Bundle v2020.05.18.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-K6L0L.tmp\Setup FabFilter Total Bundle v2020.05.18.tmp" /SL5="$70122,35976789,407040,C:\Users\Admin\AppData\Local\Temp\FabFilter Total Bundle v2020.05.18 WIN\Setup FabFilter Total Bundle v2020.05.18.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:928

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-K6L0L.tmp\Setup FabFilter Total Bundle v2020.05.18.tmp

    Filesize

    1.4MB

    MD5

    efca76c8036622c459a97a29fb999a4e

    SHA1

    bf3f1aa664942f03fd8458f49a5fb92853ef836c

    SHA256

    ad1b2414bd9bb475b2b6bdfea72c9be4cca50544ecffdd7298e9b47a2a01ceff

    SHA512

    f051a1d32e0b39cac89d5de91802b70e81d5aba8e10601b0540f5bf0579b446f3080408cc39884508e390b58715c9a69b98e3575e9adc7ecde7e72b95b3c9636

  • C:\Users\Admin\AppData\Local\Temp\is-K6L0L.tmp\Setup FabFilter Total Bundle v2020.05.18.tmp

    Filesize

    1.4MB

    MD5

    efca76c8036622c459a97a29fb999a4e

    SHA1

    bf3f1aa664942f03fd8458f49a5fb92853ef836c

    SHA256

    ad1b2414bd9bb475b2b6bdfea72c9be4cca50544ecffdd7298e9b47a2a01ceff

    SHA512

    f051a1d32e0b39cac89d5de91802b70e81d5aba8e10601b0540f5bf0579b446f3080408cc39884508e390b58715c9a69b98e3575e9adc7ecde7e72b95b3c9636

  • \Program Files\FabFilter\unins000.exe

    Filesize

    1.4MB

    MD5

    a7f26924d72ba01334b874d96befdf6f

    SHA1

    6a537a63453f3a2e7addc69020e1dfc7ec14a18e

    SHA256

    7d38da59d6fddc6f4880a84aa7bf581503e0fd04e983ae801afcf839a6735416

    SHA512

    275bb89e2452aed6dc488fdfec41cb0f50921dd3804150230bd7447748ef0d543074239ebc61799090d3036418d756430aa00d5c76afa1fff18de237d66ca01f

  • \Users\Admin\AppData\Local\Temp\is-K6L0L.tmp\Setup FabFilter Total Bundle v2020.05.18.tmp

    Filesize

    1.4MB

    MD5

    efca76c8036622c459a97a29fb999a4e

    SHA1

    bf3f1aa664942f03fd8458f49a5fb92853ef836c

    SHA256

    ad1b2414bd9bb475b2b6bdfea72c9be4cca50544ecffdd7298e9b47a2a01ceff

    SHA512

    f051a1d32e0b39cac89d5de91802b70e81d5aba8e10601b0540f5bf0579b446f3080408cc39884508e390b58715c9a69b98e3575e9adc7ecde7e72b95b3c9636

  • \Users\Admin\AppData\Local\Temp\is-TH8IC.tmp\ISSKINU.DLL

    Filesize

    357KB

    MD5

    f30afccd6fafc1cad4567ada824c9358

    SHA1

    60a65b72f208563f90fba0da6af013a36707caa9

    SHA256

    e28d16fad16bca8198c47d7dd44acfd362dd6ba1654f700add8aaf2c0732622d

    SHA512

    59b199085ed4b59ef2b385a09d0901ff2efde7b344db1e900684a425fc2df8e2010ca73d2f2bffa547040cb1dd4c8938b175c463ccc5e39a840a19f9aa301a6c

  • \Users\Admin\AppData\Local\Temp\is-TH8IC.tmp\R2RINNO.dll

    Filesize

    4KB

    MD5

    0f8bbab51c5f70093b7ed7dd825d68e8

    SHA1

    a96809560b3e9001124083937a339cf2453a94c8

    SHA256

    7fc4fa7f5cea34df0a6733527081886cfb1c49b369df2db454de87cc4e70bdb5

    SHA512

    7b824ad5d7ec786535106d98bc80c9350f35ac2b76d7ee20163e90becf076dfeaca4732c0ecbe2d3d84a2efef337c380d5548ca0123e69e66e30bb396f0b9b81

  • \Users\Admin\AppData\Local\Temp\is-TH8IC.tmp\SKIN.CJSTYLES

    Filesize

    813KB

    MD5

    5f87caf3f7cf63dde8e6af53bdf31289

    SHA1

    a2c3cc3d9d831acd797155b667db59a32000d7a8

    SHA256

    4731982b02b067d3f5a5a7518279a9265a49fb0f7b3f8dc3d61b82a5359d4940

    SHA512

    4875298d82037ef1fff1ee3c58a9059d8480274326c862729fcc56664ecb49e2692c3838948c66dc8336e4050469d831cbf1fbd79b66565ab673d2a67765109d

  • memory/928-102-0x0000000074C00000-0x0000000074D1F000-memory.dmp

    Filesize

    1.1MB

  • memory/928-108-0x0000000002D90000-0x0000000002DF1000-memory.dmp

    Filesize

    388KB

  • memory/928-75-0x0000000075820000-0x00000000758AF000-memory.dmp

    Filesize

    572KB

  • memory/928-76-0x0000000075980000-0x0000000075ADC000-memory.dmp

    Filesize

    1.4MB

  • memory/928-77-0x0000000077180000-0x0000000077220000-memory.dmp

    Filesize

    640KB

  • memory/928-78-0x0000000075DA0000-0x0000000075E3D000-memory.dmp

    Filesize

    628KB

  • memory/928-79-0x0000000075C80000-0x0000000075CD7000-memory.dmp

    Filesize

    348KB

  • memory/928-80-0x0000000075E60000-0x0000000076AAA000-memory.dmp

    Filesize

    12.3MB

  • memory/928-81-0x0000000074D80000-0x0000000074DB8000-memory.dmp

    Filesize

    224KB

  • memory/928-82-0x0000000074C00000-0x0000000074D1F000-memory.dmp

    Filesize

    1.1MB

  • memory/928-83-0x0000000074B70000-0x0000000074BFC000-memory.dmp

    Filesize

    560KB

  • memory/928-84-0x0000000076DE0000-0x0000000076E0A000-memory.dmp

    Filesize

    168KB

  • memory/928-85-0x0000000074B30000-0x0000000074B62000-memory.dmp

    Filesize

    200KB

  • memory/928-86-0x00000000749B0000-0x0000000074AA5000-memory.dmp

    Filesize

    980KB

  • memory/928-87-0x0000000076AB0000-0x0000000076C4D000-memory.dmp

    Filesize

    1.6MB

  • memory/928-88-0x0000000002D90000-0x0000000002DF1000-memory.dmp

    Filesize

    388KB

  • memory/928-89-0x0000000075820000-0x00000000758AF000-memory.dmp

    Filesize

    572KB

  • memory/928-90-0x0000000075980000-0x0000000075ADC000-memory.dmp

    Filesize

    1.4MB

  • memory/928-92-0x0000000074E30000-0x0000000074E39000-memory.dmp

    Filesize

    36KB

  • memory/928-91-0x0000000077180000-0x0000000077220000-memory.dmp

    Filesize

    640KB

  • memory/928-93-0x0000000074F40000-0x00000000750DE000-memory.dmp

    Filesize

    1.6MB

  • memory/928-94-0x0000000075C80000-0x0000000075CD7000-memory.dmp

    Filesize

    348KB

  • memory/928-95-0x0000000075E60000-0x0000000076AAA000-memory.dmp

    Filesize

    12.3MB

  • memory/928-96-0x0000000075AE0000-0x0000000075B5B000-memory.dmp

    Filesize

    492KB

  • memory/928-99-0x0000000076D50000-0x0000000076DD3000-memory.dmp

    Filesize

    524KB

  • memory/928-100-0x0000000074D80000-0x0000000074DB8000-memory.dmp

    Filesize

    224KB

  • memory/928-101-0x0000000074D60000-0x0000000074D77000-memory.dmp

    Filesize

    92KB

  • memory/928-70-0x0000000002D90000-0x0000000002DF1000-memory.dmp

    Filesize

    388KB

  • memory/928-103-0x0000000074B30000-0x0000000074B62000-memory.dmp

    Filesize

    200KB

  • memory/928-104-0x0000000074AB0000-0x0000000074AE9000-memory.dmp

    Filesize

    228KB

  • memory/928-72-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/928-105-0x00000000749B0000-0x0000000074AA5000-memory.dmp

    Filesize

    980KB

  • memory/928-115-0x0000000075AE0000-0x0000000075B5B000-memory.dmp

    Filesize

    492KB

  • memory/928-106-0x0000000076AB0000-0x0000000076C4D000-memory.dmp

    Filesize

    1.6MB

  • memory/928-109-0x0000000075820000-0x00000000758AF000-memory.dmp

    Filesize

    572KB

  • memory/928-110-0x0000000077180000-0x0000000077220000-memory.dmp

    Filesize

    640KB

  • memory/928-111-0x0000000075DA0000-0x0000000075E3D000-memory.dmp

    Filesize

    628KB

  • memory/928-112-0x0000000074E10000-0x0000000074E22000-memory.dmp

    Filesize

    72KB

  • memory/928-113-0x0000000074F40000-0x00000000750DE000-memory.dmp

    Filesize

    1.6MB

  • memory/928-114-0x0000000075C80000-0x0000000075CD7000-memory.dmp

    Filesize

    348KB

  • memory/928-107-0x0000000074920000-0x0000000074956000-memory.dmp

    Filesize

    216KB

  • memory/928-117-0x0000000074EA0000-0x0000000074EB3000-memory.dmp

    Filesize

    76KB

  • memory/928-118-0x0000000076D50000-0x0000000076DD3000-memory.dmp

    Filesize

    524KB

  • memory/928-119-0x0000000074B70000-0x0000000074BFC000-memory.dmp

    Filesize

    560KB

  • memory/928-120-0x0000000074B30000-0x0000000074B62000-memory.dmp

    Filesize

    200KB

  • memory/928-121-0x0000000074AB0000-0x0000000074AE9000-memory.dmp

    Filesize

    228KB

  • memory/928-122-0x00000000749B0000-0x0000000074AA5000-memory.dmp

    Filesize

    980KB

  • memory/928-123-0x0000000076AB0000-0x0000000076C4D000-memory.dmp

    Filesize

    1.6MB

  • memory/928-124-0x0000000075730000-0x0000000075757000-memory.dmp

    Filesize

    156KB

  • memory/928-125-0x0000000002D90000-0x0000000002DF1000-memory.dmp

    Filesize

    388KB

  • memory/928-126-0x0000000077180000-0x0000000077220000-memory.dmp

    Filesize

    640KB

  • memory/928-127-0x0000000074E30000-0x0000000074E39000-memory.dmp

    Filesize

    36KB

  • memory/928-128-0x0000000074E10000-0x0000000074E22000-memory.dmp

    Filesize

    72KB

  • memory/928-129-0x0000000074F40000-0x00000000750DE000-memory.dmp

    Filesize

    1.6MB

  • memory/928-130-0x0000000075C80000-0x0000000075CD7000-memory.dmp

    Filesize

    348KB

  • memory/928-132-0x0000000076D50000-0x0000000076DD3000-memory.dmp

    Filesize

    524KB

  • memory/928-133-0x0000000074B70000-0x0000000074BFC000-memory.dmp

    Filesize

    560KB

  • memory/928-134-0x0000000074B30000-0x0000000074B62000-memory.dmp

    Filesize

    200KB

  • memory/928-135-0x0000000074AB0000-0x0000000074AE9000-memory.dmp

    Filesize

    228KB

  • memory/928-136-0x00000000749B0000-0x0000000074AA5000-memory.dmp

    Filesize

    980KB

  • memory/928-137-0x0000000076AB0000-0x0000000076C4D000-memory.dmp

    Filesize

    1.6MB

  • memory/928-391-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/928-67-0x0000000002D90000-0x0000000002DF1000-memory.dmp

    Filesize

    388KB

  • memory/1484-54-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB