Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 14:05

General

  • Target

    9bf56ab43a909ec49299e2e2d27a7418cb8c5b0b1369015dad171aaebabd509b.exe

  • Size

    670KB

  • MD5

    a0a76a3cb895af970be13cca6504e378

  • SHA1

    dd554c3c7f784a7e0be22ee657791224c0bf6a1c

  • SHA256

    9bf56ab43a909ec49299e2e2d27a7418cb8c5b0b1369015dad171aaebabd509b

  • SHA512

    5e28ff39e2c11160f286ab67159b3e3975e7b0f979369cc3a67ef450a7dac7536be5cfae2742405ebcfae54e695cddb54c28379c20478e881117d8a90dba11ff

  • SSDEEP

    12288:v1zHj5QmY+pTUXzmXC+DEh3LAH3xCeZy5+Ksj:v1rjex+wmy+DEtUHhCAy51

Score
10/10

Malware Config

Signatures

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9bf56ab43a909ec49299e2e2d27a7418cb8c5b0b1369015dad171aaebabd509b.exe
    "C:\Users\Admin\AppData\Local\Temp\9bf56ab43a909ec49299e2e2d27a7418cb8c5b0b1369015dad171aaebabd509b.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3088
    • C:\Users\Admin\AppData\Local\Temp\9bf56ab43a909ec49299e2e2d27a7418cb8c5b0b1369015dad171aaebabd509b.exe
      "C:\Users\Admin\AppData\Local\Temp\9bf56ab43a909ec49299e2e2d27a7418cb8c5b0b1369015dad171aaebabd509b.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:60

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsi4E25.tmp

    Filesize

    1B

    MD5

    8ce4b16b22b58894aa86c421e8759df3

    SHA1

    13fbd79c3d390e5d6585a21e11ff5ec1970cff0c

    SHA256

    8254c329a92850f6d539dd376f4816ee2764517da5e0235514af433164480d7a

    SHA512

    2af8a9104b3f64ed640d8c7e298d2d480f03a3610cbc2b33474321ec59024a48592ea8545e41e09d5d1108759df48ede0054f225df39d4f0f312450e0aa9dd25

  • C:\Users\Admin\AppData\Local\Temp\nsi4E25.tmp

    Filesize

    2B

    MD5

    25bc6654798eb508fa0b6343212a74fe

    SHA1

    15d5e1d3b948fd5986aaff7d9419b5e52c75fc93

    SHA256

    8e5202705183bd3a20a29e224499b0f77a8273ee33cd93cca71043c57ad4bdfc

    SHA512

    5868c6241ed3cfcc5c34bfe42e4b9f5c69e74975e524771d8c9f35cafc13fd01cd943ec4d8caefee79a1f4a457e69d20b7a86f88db83a5bc3e6bd8a619972898

  • C:\Users\Admin\AppData\Local\Temp\nsi4E25.tmp

    Filesize

    3B

    MD5

    4e27f2226785e9abbe046fc592668860

    SHA1

    28b18a7f383131df509f7191f946a32c5a2e410c

    SHA256

    01a219245e1501fee01ce0baea8f6065ce5162cea12fa570689a07c9717be81d

    SHA512

    2a23585835bdb5db8175cab265566042282841efdcee8aaba8b9b5d466b0f165c0c5973033ce94bb9a8f07a956689247981ea07ac5a51408263e1653d9710adb

  • C:\Users\Admin\AppData\Local\Temp\nsi4E25.tmp

    Filesize

    4B

    MD5

    cde63b34c142af0a38cbe83791c964f8

    SHA1

    ece2b194b486118b40ad12c1f0e9425dd0672424

    SHA256

    65e2d70166c9a802b7ad2a87129b8945f083e5f268878790a9d1f1c03f47938d

    SHA512

    0559d3d34ad64ccc27e685431c24fc6ead0f645db14fa0e125a64fb67dbd158c15432c1fc5407811aac8a3486090dfbcfcbc3c6bf5aa0ec73f979ef62d14853c

  • C:\Users\Admin\AppData\Local\Temp\nsi4E25.tmp

    Filesize

    7B

    MD5

    67cfa7364c4cf265b047d87ff2e673ae

    SHA1

    56e27889277981a9b63fcf5b218744a125bbc2fa

    SHA256

    639b68bd180b47d542dd001d03557ee2d5b3065c3c783143bc9fb548f3fd7713

    SHA512

    17f28a136b20b89e9c3a418b08fd8e6fcaac960872dc33b2481af2d872efc44228f420759c57724f5d953c7ba98f2283e2acc7dfe5a58cbf719c6480ec7a648b

  • C:\Users\Admin\AppData\Local\Temp\nsi4E25.tmp

    Filesize

    8B

    MD5

    c3cb69218b85c3260387fb582cb518dd

    SHA1

    961c892ded09a4cbb5392097bb845ccba65902ad

    SHA256

    1c329924865741e0222d3ead23072cfbed14f96e2b0432573068eb0640513101

    SHA512

    2402fffeb89c531db742bf6f5466eee8fe13edf97b8ecfc2cace3522806b322924d1ca81dda25e59b4047b8f40ad11ae9216e0a0d5c7fc6beef4368eb9551422

  • C:\Users\Admin\AppData\Local\Temp\nsi4E25.tmp

    Filesize

    37B

    MD5

    5ef4248435764afff735ebfe5980ed85

    SHA1

    6dd5e8faa97c1d44f0b893b3c4453b01355e606f

    SHA256

    a0bfbeb9751eb45d0863fac09c62a089d2440f94fec774efa9ef4c3410a78c7a

    SHA512

    8c2c015281e8017e16290bec1f60f1d1b141c9c126384358691ee4814288f51b6f509a0da8278a0816bb44590d3c8c0a3b2ce26f453da3c718a822ade871fb6e

  • C:\Users\Admin\AppData\Local\Temp\nsi4F10.tmp

    Filesize

    18B

    MD5

    eeb84903df39a84640af1a50b4a37d69

    SHA1

    b6b4b8343c46fcfc7f433274bf5ee793fff7c1bc

    SHA256

    3bf02a529249eeb91896b44d39cc6dc379c806af777afb186330c0238084d3aa

    SHA512

    fc05574180d4458a408021ef7c4e354995349817d2f143b5f9a2e3c259a9c08a1cdaaed22a419040fa2c37e25616f01bb6cfd5aea6b23cf75bc2fa3037bdfa47

  • C:\Users\Admin\AppData\Local\Temp\nsm4C6D.tmp

    Filesize

    5B

    MD5

    e2fecc970546c3418917879fe354826c

    SHA1

    63f1c1dd01b87704a6b6c99fd9f141e0a3064f16

    SHA256

    ff91566d755f5d038ae698a2cc0a7d4d14e5273afafc37b6f03afda163768fa0

    SHA512

    3c4a68cbaee94f986515f43305a0e7620c14c30213d4a17db4a3e8a1b996764eb688bf733f472fc52073c2c80bb5229bb29411d7601aefe1c4370e230c341a0a

  • C:\Users\Admin\AppData\Local\Temp\nsm4C6D.tmp

    Filesize

    10B

    MD5

    9a53fc1d7126c5e7c81bb5c15b15537b

    SHA1

    e2d13e0fa37de4c98f30c728210d6afafbb2b000

    SHA256

    a7de06c22e4e67908840ec3f00ab8fe9e04ae94fb16a74136002afbaf607ff92

    SHA512

    b0bffbb8072dbdcfc68f0e632f727c08fe3ef936b2ef332c08486553ff2cef7b0bcdb400e421a117e977bb0fac17ce4706a8097e32d558a918433646b6d5f1a1

  • C:\Users\Admin\AppData\Local\Temp\nsm4C6D.tmp

    Filesize

    52B

    MD5

    5d04a35d3950677049c7a0cf17e37125

    SHA1

    cafdd49a953864f83d387774b39b2657a253470f

    SHA256

    a9493973dd293917f3ebb932ab255f8cac40121707548de100d5969956bb1266

    SHA512

    c7b1afd95299c0712bdbc67f9d2714926d6ec9f71909af615affc400d8d2216ab76f6ac35057088836435de36e919507e1b25be87b07c911083f964eb67e003b

  • C:\Users\Admin\AppData\Local\Temp\nsr4B52.tmp

    Filesize

    37B

    MD5

    c641bfa28a71f86301ed9e81931da24c

    SHA1

    59770ef0e9c2658e6aacd708615767660a2dec66

    SHA256

    df9ef051e1940f576446c4ef6d4ee0f201488c4c0485c26ef2bd3923b3e6a761

    SHA512

    e2e24f388600ca77ea717c8ebf382ff961cf20ae054d807526dddf28e5a328cbacfb57a6d00ad43afca0a4bc00ebb3f42a169de1fa5787265f468fe9056d093e

  • C:\Users\Admin\AppData\Local\Temp\nsr4B52.tmp

    Filesize

    72B

    MD5

    830f634fb44956d70a234c43be9c0b75

    SHA1

    1ebe612620e801a4db9256781c95048f7573edc7

    SHA256

    2a404ae066022b1d313fc3fa263e53ba387aa301e650cbca6379847bb1417381

    SHA512

    8aa1eeab0f139af87885916505c5dd56ba66771d2083da8d505878b09eaaff8b8c35d765a0770d4b7deca4414f9ae88070f91e9ba119c4dc9b44875bdd344132

  • C:\Users\Admin\AppData\Local\Temp\nsr4B52.tmp

    Filesize

    74B

    MD5

    16d513397f3c1f8334e8f3e4fc49828f

    SHA1

    4ee15afca81ca6a13af4e38240099b730d6931f0

    SHA256

    d3c781a1855c8a70f5aca88d9e2c92afffa80541334731f62caa9494aa8a0c36

    SHA512

    4a350b790fdd2fe957e9ab48d5969b217ab19fc7f93f3774f1121a5f140ff9a9eaaa8fa30e06a9ef40ad776e698c2e65a05323c3adf84271da1716e75f5183c3

  • C:\Users\Admin\AppData\Local\Temp\nsr4B53.tmp\System.dll

    Filesize

    11KB

    MD5

    8b3830b9dbf87f84ddd3b26645fed3a0

    SHA1

    223bef1f19e644a610a0877d01eadc9e28299509

    SHA256

    f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37

    SHA512

    d13cfd98db5ca8dc9c15723eee0e7454975078a776bce26247228be4603a0217e166058ebadc68090afe988862b7514cb8cb84de13b3de35737412a6f0a8ac03

  • C:\Users\Admin\AppData\Local\Temp\nss4D2A.tmp

    Filesize

    6B

    MD5

    50484c19f1afdaf3841a0d821ed393d2

    SHA1

    c65a0fb7e74ffd2c9fc3a0f9aacb0f6a24b0a68b

    SHA256

    6923dd1bc0460082c5d55a831908c24a282860b7f1cd6c2b79cf1bc8857c639c

    SHA512

    d51a20d67571fe70bcd6c36e1382a3c342f42671c710090b75fcfc2405ce24488e03a7131eefe4751d0bd3aeaad816605ad10c8e3258d72fcf379e32416cbf3b

  • C:\Users\Admin\AppData\Local\Temp\nss4D2A.tmp

    Filesize

    14B

    MD5

    588cf7cdaab7fececa39c175c806ac8a

    SHA1

    c05dd1da9fe6f60c6480d5a7fe568bd231efcc01

    SHA256

    8ffa16681c60f9e5ae447896f50bebc45c5d27cb31e6ca97eaf3def44a2701f7

    SHA512

    7264057bad861cbfbf4aeb62c211b726c94540247e5a2282057ef2e583c4b6f1bc1c441217f68c6d280c7f4990ceaab6cd7fc34758375b3d89e3eae25d75e567

  • C:\Windows\SysWOW64\kaleb.ini

    Filesize

    45B

    MD5

    9dfd97e7025bf54441fe6759f87e5ddf

    SHA1

    0f04ae6a7bc2213255fc72898f339b12bd743f24

    SHA256

    eea1bdc93e5a8fcbca0aea236d83b487ad2af028095a0d0107f02d397b4372fb

    SHA512

    08ea09b23814906f040060b46d919d45f6aee0c96b27d0baa88813bc46032c274546adb89e354b78f659c962a8588adbbd49966951e1f1b097e2484a07678f44

  • memory/60-844-0x0000000076F58000-0x0000000076F59000-memory.dmp

    Filesize

    4KB

  • memory/60-842-0x0000000001700000-0x0000000003073000-memory.dmp

    Filesize

    25.4MB

  • memory/60-845-0x0000000076F75000-0x0000000076F76000-memory.dmp

    Filesize

    4KB

  • memory/60-846-0x00000000004A0000-0x00000000016F4000-memory.dmp

    Filesize

    18.3MB

  • memory/60-847-0x0000000001700000-0x0000000003073000-memory.dmp

    Filesize

    25.4MB

  • memory/60-849-0x0000000076ED1000-0x0000000076FF1000-memory.dmp

    Filesize

    1.1MB

  • memory/3088-840-0x0000000076ED1000-0x0000000076FF1000-memory.dmp

    Filesize

    1.1MB

  • memory/3088-841-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB

  • memory/3088-843-0x00000000040F0000-0x0000000005A63000-memory.dmp

    Filesize

    25.4MB

  • memory/3088-839-0x00000000040F0000-0x0000000005A63000-memory.dmp

    Filesize

    25.4MB

  • memory/3088-854-0x00000000040F0000-0x0000000005A63000-memory.dmp

    Filesize

    25.4MB