Analysis

  • max time kernel
    151s
  • max time network
    157s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    28/01/2024, 16:50

General

  • Target

    setup_installer.exe

  • Size

    5.7MB

  • MD5

    5d15d2119fc180ca529dc71803b5022e

  • SHA1

    7baebeba43ee7387969e715ad41d2523fa0943de

  • SHA256

    75f6455387008a86d306dffcabd6bdd534e5c265829c02dd3b26f2ec03190abf

  • SHA512

    cbae444a2e235c8bf14226afe8f2b044cd98309b09cc9708b4347e7b77b464f5ec417918f57225878fd41357df45d04bb8a98b14e23c00eb245a6717abcde2c6

  • SSDEEP

    98304:xZCvLUBsgZ7yEcW+4YqMPpf8UEBUxPtT1tDvC+K6UvNgOIgdgg/InSlWiVSf:xSLUCgNRfOTB51tlrBFgdgUOwJVE

Malware Config

Extracted

Family

nullmixer

C2

http://marisana.xyz/

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Extracted

Family

smokeloader

Botnet

pub6

Signatures

  • Detect ZGRat V1 1 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 7 IoCs
  • NullMixer

    NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

  • PrivateLoader

    PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

  • RisePro

    RisePro stealer is an infostealer distributed by PrivateLoader.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • ASPack v2.12-2.42 3 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 10 IoCs
  • Loads dropped DLL 43 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 11 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\setup_installer.exe
    "C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Users\Admin\AppData\Local\Temp\7zS0C70D2B6\setup_install.exe
      "C:\Users\Admin\AppData\Local\Temp\7zS0C70D2B6\setup_install.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2784
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 80ff3a0909402a71.exe
        3⤵
        • Loads dropped DLL
        PID:2604
        • C:\Users\Admin\AppData\Local\Temp\7zS0C70D2B6\80ff3a0909402a71.exe
          80ff3a0909402a71.exe
          4⤵
          • Executes dropped EXE
          • Modifies system certificate store
          • Suspicious use of AdjustPrivilegeToken
          PID:1164
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 6c03f4c63e2.exe
        3⤵
        • Loads dropped DLL
        PID:2624
        • C:\Users\Admin\AppData\Local\Temp\7zS0C70D2B6\6c03f4c63e2.exe
          6c03f4c63e2.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Modifies system certificate store
          PID:2864
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2864 -s 984
            5⤵
            • Loads dropped DLL
            • Program crash
            PID:2376
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 292a72b1538a4.exe
        3⤵
        • Loads dropped DLL
        PID:1064
        • C:\Users\Admin\AppData\Local\Temp\7zS0C70D2B6\292a72b1538a4.exe
          292a72b1538a4.exe
          4⤵
          • Identifies VirtualBox via ACPI registry values (likely anti-VM)
          • Checks BIOS information in registry
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks whether UAC is enabled
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious use of AdjustPrivilegeToken
          PID:1244
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c b1eba6b13.exe
        3⤵
        • Loads dropped DLL
        PID:2968
        • C:\Users\Admin\AppData\Local\Temp\7zS0C70D2B6\b1eba6b13.exe
          b1eba6b13.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          PID:1728
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 2a07805a6bd5.exe
        3⤵
        • Loads dropped DLL
        PID:2072
        • C:\Users\Admin\AppData\Local\Temp\7zS0C70D2B6\2a07805a6bd5.exe
          2a07805a6bd5.exe
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          PID:2552
          • C:\Users\Admin\AppData\Local\Temp\7zS0C70D2B6\2a07805a6bd5.exe
            "C:\Users\Admin\AppData\Local\Temp\7zS0C70D2B6\2a07805a6bd5.exe" -a
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            PID:2076
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c bb7eeae46907.exe
        3⤵
        • Loads dropped DLL
        PID:3036
        • C:\Users\Admin\AppData\Local\Temp\7zS0C70D2B6\bb7eeae46907.exe
          bb7eeae46907.exe
          4⤵
          • Executes dropped EXE
          PID:2520
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 804a234bccaae49.exe
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:456
        • C:\Users\Admin\AppData\Local\Temp\7zS0C70D2B6\804a234bccaae49.exe
          804a234bccaae49.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:1460
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 1558c83052a066.exe
        3⤵
        • Loads dropped DLL
        PID:2400
        • C:\Users\Admin\AppData\Local\Temp\7zS0C70D2B6\1558c83052a066.exe
          1558c83052a066.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Checks computer location settings
          • Executes dropped EXE
          • Loads dropped DLL
          • Modifies system certificate store
          PID:1708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2784 -s 420
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:2392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    66d29ac76ef789054cefddc628da14ac

    SHA1

    e7385089d0028cf8e7fac912369ac976222e05e3

    SHA256

    096b425fb091eeb1fbf79368c71c88d2c55d1cd32be08256d9ff6bd20495881a

    SHA512

    41caa0c8d96aa02470b59bee72e92d68c3b633e447106ecbb1b10d003a1e2f80786a26d06e6e17d394c0d537ca568577b925cc35a4f9e480bccec96e8e41b676

  • C:\Users\Admin\AppData\Local\Temp\7zS0C70D2B6\1558c83052a066.exe

    Filesize

    1.6MB

    MD5

    0965da18bfbf19bafb1c414882e19081

    SHA1

    e4556bac206f74d3a3d3f637e594507c30707240

    SHA256

    1cdddf182f161ab789edfcc68a0706d0b8412a9ba67a3f918fe60fab270eabff

    SHA512

    fe4702a2fde36b4fb0015ad7d3e2169a1ccbf5e29d7edef40f104ed47661b4b0365b13b1913e9f4e0ab7bc9ac542ee86c02a802a13567dfd0b8f5485a5be829b

  • C:\Users\Admin\AppData\Local\Temp\7zS0C70D2B6\292a72b1538a4.exe

    Filesize

    4.3MB

    MD5

    69b013f9548c195c27d26293cc583815

    SHA1

    3cd8b84e5a2562f61866d64d88838394236e6f8a

    SHA256

    a50dff01ab333ada57ea512332ad48453f10f664467a87dce16649ecaff44b00

    SHA512

    7411513333480920681146fa9f8d794a4e1d6c0cc6d015e5c144405459f22e1b94d80ac4e3fe08fd88bb14b835307f2c000f702a4911e162aac013bfa1b792fc

  • C:\Users\Admin\AppData\Local\Temp\7zS0C70D2B6\bb7eeae46907.exe

    Filesize

    241KB

    MD5

    5866ab1fae31526ed81bfbdf95220190

    SHA1

    75a5e08b3b9ad2dff35dfbbb3ffe8d983c2be25f

    SHA256

    9e1a149370efe9814bf2cbd87acfcfa410d1769efd86a9722da4373d6716d22e

    SHA512

    8d99ab09e84e4ef309da34be94946cbfcffeb1c0ca49e2452deb738d801e551062ebb134f1b99a9baf03003a8e720d525521ce09aeac341d3cba3fcfbc618fb5

  • C:\Users\Admin\AppData\Local\Temp\7zS0C70D2B6\libcurlpp.dll

    Filesize

    54KB

    MD5

    e6e578373c2e416289a8da55f1dc5e8e

    SHA1

    b601a229b66ec3d19c2369b36216c6f6eb1c063e

    SHA256

    43e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f

    SHA512

    9df6a8c418113a77051f6cb02745ad48c521c13cdadb85e0e37f79e29041464c8c7d7ba8c558fdd877035eb8475b6f93e7fc62b38504ddfe696a61480cabac89

  • C:\Users\Admin\AppData\Local\Temp\7zS0C70D2B6\libgcc_s_dw2-1.dll

    Filesize

    113KB

    MD5

    9aec524b616618b0d3d00b27b6f51da1

    SHA1

    64264300801a353db324d11738ffed876550e1d3

    SHA256

    59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e

    SHA512

    0648a26940e8f4aad73b05ad53e43316dd688e5d55e293cce88267b2b8744412be2e0d507dadad830776bf715bcd819f00f5d1f7ac1c5f1c4f682fb7457a20d0

  • C:\Users\Admin\AppData\Local\Temp\7zS0C70D2B6\libwinpthread-1.dll

    Filesize

    69KB

    MD5

    1e0d62c34ff2e649ebc5c372065732ee

    SHA1

    fcfaa36ba456159b26140a43e80fbd7e9d9af2de

    SHA256

    509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723

    SHA512

    3653f8ed8ad3476632f731a3e76c6aae97898e4bf14f70007c93e53bc443906835be29f861c4a123db5b11e0f3dd5013b2b3833469a062060825df9ee708dc61

  • C:\Users\Admin\AppData\Local\Temp\CabDAD7.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarDC02.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Local\Temp\7zS0C70D2B6\2a07805a6bd5.exe

    Filesize

    56KB

    MD5

    3263859df4866bf393d46f06f331a08f

    SHA1

    5b4665de13c9727a502f4d11afb800b075929d6c

    SHA256

    9dcacda3913e30cafd92c909648b5bffde14b8e39e6adbfb15628006c0d4d3c2

    SHA512

    58205110a017f5d73dd131fefb1e3bbbcc670ed0c645aeefebe5281579c7b1dceffa56671cd7b186554bdb81710e21018ed0d7088a27517dfc5e48d6d3578cf6

  • \Users\Admin\AppData\Local\Temp\7zS0C70D2B6\6c03f4c63e2.exe

    Filesize

    649KB

    MD5

    949b3d77a89b8aa23ccd1713ec7df198

    SHA1

    0dbdeef6195ab56c72b4d5ff4c2bab81c0ff3e91

    SHA256

    f48752a18c651f67ea479410fd3cee0121edb21599c5b8ab3e343006133a66d8

    SHA512

    22750c98f2eb745e909750c5639f31c3531265795783031905efa4b4a28247c20a9ef62088c661b0fc353f3c17b2b94f5c17b25b419b7af8182c44609001f90c

  • \Users\Admin\AppData\Local\Temp\7zS0C70D2B6\804a234bccaae49.exe

    Filesize

    8KB

    MD5

    83cc20c8d4dd098313434b405648ebfd

    SHA1

    59b99c73776d555a985b2f2dcc38b826933766b3

    SHA256

    908b275d6fc2f20e9d04e8609a9d994f7e88a429c3eb0a55d99ca1c681e17ec8

    SHA512

    e00009e1f322a1fe6e24f88a1cc722acf3094569174e7c58ebf06f75f50a7735dcebf3e493886bbdc87593345adc8bb7b6f2daca2e64618f276075a0bb46bb8c

  • \Users\Admin\AppData\Local\Temp\7zS0C70D2B6\80ff3a0909402a71.exe

    Filesize

    165KB

    MD5

    181f1849ccb484af2eebb90894706150

    SHA1

    45dee946a7abc9c1c05d158a05e768e06a0d2cdc

    SHA256

    aeb2d203b415b00e0a23aa026862cec8e11962fdb99c6dce38fb0b018b7d8409

    SHA512

    a87485005ca80e145a7b734735184fa2d374a7f02e591eec9e51b77dc2a51be7f8198ce5abfceb9546c48bf235a555f19d6c57469975d0b4c786b0db16df930c

  • \Users\Admin\AppData\Local\Temp\7zS0C70D2B6\b1eba6b13.exe

    Filesize

    313KB

    MD5

    f476544c9c96b8b0433e7a0d3c390db7

    SHA1

    058495445e063130c161b6308a6bef342d20b5f8

    SHA256

    c4f3e59da8a6827adfbdbb04a9ec4ef8f718ad48bd9bbe70811a164fde758337

    SHA512

    800e9cc1528d429d9b41aab651be19f13f197a7330dd7d1b6a5cd0fb1d6ad4896e9fe61e183d7868409bc4af344fe1d3b65fdb955a9fdd07cc7091fd9767bf3d

  • \Users\Admin\AppData\Local\Temp\7zS0C70D2B6\libcurl.dll

    Filesize

    218KB

    MD5

    d09be1f47fd6b827c81a4812b4f7296f

    SHA1

    028ae3596c0790e6d7f9f2f3c8e9591527d267f7

    SHA256

    0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e

    SHA512

    857f44a1383c29208509b8f1164b6438d750d5bb4419add7626986333433e67a0d1211ec240ce9472f30a1f32b16c8097aceba4b2255641b3d8928f94237f595

  • \Users\Admin\AppData\Local\Temp\7zS0C70D2B6\libstdc++-6.dll

    Filesize

    647KB

    MD5

    5e279950775baae5fea04d2cc4526bcc

    SHA1

    8aef1e10031c3629512c43dd8b0b5d9060878453

    SHA256

    97de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87

    SHA512

    666325e9ed71da4955058aea31b91e2e848be43211e511865f393b7f537c208c6b31c182f7d728c2704e9fc87e7d1be3f98f5fee4d34f11c56764e1c599afd02

  • \Users\Admin\AppData\Local\Temp\7zS0C70D2B6\setup_install.exe

    Filesize

    9.4MB

    MD5

    9378124493a4b6e9160a9fe4cb6c599e

    SHA1

    6a69ea06903b305b5c2e7b4e6fa6e99bf5b776d2

    SHA256

    e0be525d01fe726ea597885760bd1074930982c38e64123934bd743652b5a761

    SHA512

    c432e5f261cb9f4b1b5f374b5f795f125a9db2aa45dece0e0962e25bb845244e397a015dbc87499adab8947e40c21004f4ff841ecb346b7ab6848717d57979d3

  • memory/1164-143-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/1164-112-0x0000000000DB0000-0x0000000000DDE000-memory.dmp

    Filesize

    184KB

  • memory/1164-315-0x000007FEF5460000-0x000007FEF5E4C000-memory.dmp

    Filesize

    9.9MB

  • memory/1164-141-0x00000000002E0000-0x0000000000302000-memory.dmp

    Filesize

    136KB

  • memory/1164-132-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1244-153-0x0000000000B10000-0x0000000001336000-memory.dmp

    Filesize

    8.1MB

  • memory/1268-155-0x0000000002B40000-0x0000000002B56000-memory.dmp

    Filesize

    88KB

  • memory/1460-113-0x0000000000900000-0x0000000000908000-memory.dmp

    Filesize

    32KB

  • memory/1728-156-0x0000000000400000-0x0000000000905000-memory.dmp

    Filesize

    5.0MB

  • memory/1728-168-0x00000000003D0000-0x00000000003D9000-memory.dmp

    Filesize

    36KB

  • memory/1728-167-0x0000000000AF7000-0x0000000000B07000-memory.dmp

    Filesize

    64KB

  • memory/2784-45-0x000000006FE40000-0x000000006FFC6000-memory.dmp

    Filesize

    1.5MB

  • memory/2784-47-0x000000006B280000-0x000000006B2A6000-memory.dmp

    Filesize

    152KB

  • memory/2784-40-0x000000006B440000-0x000000006B4CF000-memory.dmp

    Filesize

    572KB

  • memory/2784-44-0x000000006FE40000-0x000000006FFC6000-memory.dmp

    Filesize

    1.5MB

  • memory/2784-43-0x000000006FE40000-0x000000006FFC6000-memory.dmp

    Filesize

    1.5MB

  • memory/2784-41-0x000000006B440000-0x000000006B4CF000-memory.dmp

    Filesize

    572KB

  • memory/2784-39-0x000000006B440000-0x000000006B4CF000-memory.dmp

    Filesize

    572KB

  • memory/2784-31-0x000000006B440000-0x000000006B4CF000-memory.dmp

    Filesize

    572KB

  • memory/2784-28-0x000000006B280000-0x000000006B2A6000-memory.dmp

    Filesize

    152KB

  • memory/2784-46-0x000000006B280000-0x000000006B2A6000-memory.dmp

    Filesize

    152KB

  • memory/2784-42-0x000000006FE40000-0x000000006FFC6000-memory.dmp

    Filesize

    1.5MB