Resubmissions

03-01-2024 09:45

240103-lrd6caceej 10

28-12-2023 18:32

231228-w63scsfghq 10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2023 18:32

General

  • Target

    ef06ab5cd57598acc6b4222249dbe5b4.exe

  • Size

    1.5MB

  • MD5

    ef06ab5cd57598acc6b4222249dbe5b4

  • SHA1

    97e4d2abceaa96a2a671a86749c61bc0a6a4aefb

  • SHA256

    3675ddb9d16e43fd54dd441f57a0aa0c20ae7b6a85b81f2b867c753c3503934f

  • SHA512

    ffa705ba0f0850bf1dfe76ec4a664ba3fdad6c3533c0cf15eb33f80ca7e74812a905f0a96d28bcf8785eebd0a69874c28bf12bc86b4b42904230fa4c62d1f6e1

  • SSDEEP

    24576:Eg5N+6z3egEPDrLEF4ejyClVmoFdej0ry2tdAWem7e1FB7yYHIwAQyTlCFuxUhqR:Eg/+6zOgELMF4eVpFEiy2trqr75oHHl7

Malware Config

Extracted

Family

nullmixer

C2

http://marisana.xyz/

Extracted

Family

smokeloader

Botnet

pub6

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/

rc4.i32
rc4.i32

Signatures

  • 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.

  • ASPack v2.12-2.42 3 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 27 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.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 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 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef06ab5cd57598acc6b4222249dbe5b4.exe
    "C:\Users\Admin\AppData\Local\Temp\ef06ab5cd57598acc6b4222249dbe5b4.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1872
    • C:\Users\Admin\AppData\Local\Temp\setup_installer.exe
      "C:\Users\Admin\AppData\Local\Temp\setup_installer.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2728
      • C:\Users\Admin\AppData\Local\Temp\7zS8AA38966\setup_install.exe
        "C:\Users\Admin\AppData\Local\Temp\7zS8AA38966\setup_install.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2856
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c karotima_1.exe
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2956
          • C:\Users\Admin\AppData\Local\Temp\7zS8AA38966\karotima_1.exe
            karotima_1.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Loads dropped DLL
            • Modifies system certificate store
            PID:2776
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c karotima_2.exe
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2972
          • C:\Users\Admin\AppData\Local\Temp\7zS8AA38966\karotima_2.exe
            karotima_2.exe
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Checks SCSI registry key(s)
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: MapViewOfSection
            PID:2960
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 372
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabB702.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarB743.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • C:\Users\Admin\AppData\Local\Temp\setup_installer.exe

    Filesize

    583KB

    MD5

    d813a8d8f8c7641f112733535b119ac4

    SHA1

    2526fde5a2b668e4a54d2c1fa67a10ae8bb4ce86

    SHA256

    398cab0bbf49a702207bc8cc2bece08375a45a66c48c1af7f28d4f2640f5ed25

    SHA512

    468eceef82f9296ae449002b6fe3ec6943b76283b41b29f9434c1762aa7cd1945166223601f283e05f2faf66629c4b311ee2f217d28161eef994cd4530a5e585

  • C:\Users\Admin\AppData\Local\Temp\setup_installer.exe

    Filesize

    9KB

    MD5

    e3dadc04c64539c7ae86493dc41e0c26

    SHA1

    f6ab9649f4b301f147e85077be526a777c8cb666

    SHA256

    0d2a840a699c92c5354fc7c34a97e60dfdf5bca77f6cea70a5a4c9d89c246de9

    SHA512

    e8b70905ff2d3e237df2054bdcae1639da0a7dc2a072a53410916d0609947638c47543d4e03a4091f2c04e60e929e28ff5729f04d2ab6cfeafeb0db953f4b9d4

  • C:\Users\Admin\AppData\Roaming\argruit

    Filesize

    238KB

    MD5

    6e60dc40e0845b9b8e2ea48cff92a82e

    SHA1

    8a8465748c412c9804a11629a69d33b1922fbe65

    SHA256

    42c8eec62a8744104e562a733b00eb669bde519ea39a3888f5206d707232854a

    SHA512

    8de56c1762e9486a03f52d4d597043ea5fbb57ec68ba7c803fcd484e04da0d24e5bac35d9d8bd8509f43abe0e560bc45a58cdb0222fa3a38cee48fc7cd80bc25

  • \Users\Admin\AppData\Local\Temp\7zS8AA38966\karotima_1.exe

    Filesize

    1.0MB

    MD5

    9108ad5775c76cccbb4eadf02de24f5d

    SHA1

    82996bc4f72b3234536d0b58630d5d26bcf904b0

    SHA256

    c9d5525b2f2b76087121039ee1c23ed35508e60f653479722ec64ea3a064878e

    SHA512

    19021a28555bba1fe1bdcdc8845f1bcadebd256c7db02b9329d6b44ae01a123a00e162cc34a97ba51f088cafa6f54ab1de8f82f771ac54b94a3a796f84f73362

  • \Users\Admin\AppData\Local\Temp\7zS8AA38966\setup_install.exe

    Filesize

    92KB

    MD5

    d0c853616afb21b31c64ac2c08a73d8a

    SHA1

    147c43f5eb6b467c1a56d07245af80e5bbdb9781

    SHA256

    5c29ef9015e9fea4b46fc34e88a55c8ac6520fedd7880cec0ed33695da1bca91

    SHA512

    5690a218bc9fd241545d51fa20fbf70aacae2e9bf13951191bd5997eedb0ee087b4ff5e3c6e95e45b2426730513859d0fb75b063a80eaecaa46202850c15fff5

  • \Users\Admin\AppData\Local\Temp\7zS8AA38966\setup_install.exe

    Filesize

    287KB

    MD5

    dcff179c4623cf7abc5d40be102ef14d

    SHA1

    877e24f315ceaea197b71eb028d8163151af5edf

    SHA256

    ac04db3daf57d4616ecab03a8d95650c5086a74d1c1b96c049904e05daf8b1fe

    SHA512

    1a874595719c146b35296202e36583b31e1ff9181102d528c86c9911ad855922645980b5521b28f85bbddb00d38f174217a4ca98d609ca1e530f0cc118832eaf

  • \Users\Admin\AppData\Local\Temp\CC4F.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\setup_installer.exe

    Filesize

    140KB

    MD5

    749a2b53b7d17e1c5d768152b20733a3

    SHA1

    150d7fa54c04cefec411a2a5d3787e82e0c41bce

    SHA256

    efe630a349e212ec7fa0938336e0e2aac1ac0c22277b50dad17c61cc6e53e798

    SHA512

    284cafed6bb904fea021963e0d3da378d1b2098b549b99a113e1dec41e801e4d656c78e170519c30dd290985a5ed292dc06cd3cca9c6ec24ab90945bb80c1815

  • \Users\Admin\AppData\Local\Temp\setup_installer.exe

    Filesize

    1.5MB

    MD5

    0d9f7ef9fc85315c134a06c483f0a694

    SHA1

    9a8f6eb079f6f1c8421a0f78bb5387b061d843b8

    SHA256

    5d0215d15cc28fd783808e7fe1103cff029e1a1caa1370057c6e5cf9c00d1b2a

    SHA512

    9f1574b81a80126e606cadb17b9556474f38929ffdb8ccf5ce330ffaa0f83e4f818c885f7c1c3b204b3011b1db4ebcff0ba3e96406878f3e873e7cdc22e703bd

  • \Users\Admin\AppData\Local\Temp\setup_installer.exe

    Filesize

    1024KB

    MD5

    f2e4ad6fd3138517fc7a0543c39fd9b4

    SHA1

    f86fd38662f1c0950bd10e9e9c8c58fca95ef975

    SHA256

    6983096e10b519ea30edd8ab76279dc00dfa324e639f9caeaa4d7c4b9d20342d

    SHA512

    013415b3550e01976acc42ca04ee9a8f70a191f86ea620876874458a062df926088aae0d8715a9b0a7256976fbf85e2b853f507041782e55d352932a22c931df

  • memory/1296-153-0x00000000029F0000-0x0000000002A05000-memory.dmp

    Filesize

    84KB

  • memory/2728-32-0x00000000028F0000-0x0000000002A0E000-memory.dmp

    Filesize

    1.1MB

  • memory/2728-39-0x00000000028F0000-0x0000000002A0E000-memory.dmp

    Filesize

    1.1MB

  • memory/2856-65-0x000000006FE40000-0x000000006FFC6000-memory.dmp

    Filesize

    1.5MB

  • memory/2856-92-0x000000006B280000-0x000000006B2A6000-memory.dmp

    Filesize

    152KB

  • memory/2856-74-0x0000000000400000-0x000000000051E000-memory.dmp

    Filesize

    1.1MB

  • memory/2856-72-0x0000000000400000-0x000000000051E000-memory.dmp

    Filesize

    1.1MB

  • memory/2856-73-0x0000000000400000-0x000000000051E000-memory.dmp

    Filesize

    1.1MB

  • memory/2856-69-0x000000006B280000-0x000000006B2A6000-memory.dmp

    Filesize

    152KB

  • memory/2856-68-0x000000006B280000-0x000000006B2A6000-memory.dmp

    Filesize

    152KB

  • memory/2856-66-0x000000006FE40000-0x000000006FFC6000-memory.dmp

    Filesize

    1.5MB

  • memory/2856-76-0x0000000000400000-0x000000000051E000-memory.dmp

    Filesize

    1.1MB

  • memory/2856-64-0x000000006FE40000-0x000000006FFC6000-memory.dmp

    Filesize

    1.5MB

  • memory/2856-63-0x000000006FE40000-0x000000006FFC6000-memory.dmp

    Filesize

    1.5MB

  • memory/2856-60-0x0000000064940000-0x0000000064959000-memory.dmp

    Filesize

    100KB

  • memory/2856-59-0x000000006B440000-0x000000006B4CF000-memory.dmp

    Filesize

    572KB

  • memory/2856-57-0x0000000064940000-0x0000000064959000-memory.dmp

    Filesize

    100KB

  • memory/2856-54-0x000000006FE40000-0x000000006FFC6000-memory.dmp

    Filesize

    1.5MB

  • memory/2856-88-0x0000000000400000-0x000000000051E000-memory.dmp

    Filesize

    1.1MB

  • memory/2856-77-0x0000000000400000-0x000000000051E000-memory.dmp

    Filesize

    1.1MB

  • memory/2856-75-0x0000000000400000-0x000000000051E000-memory.dmp

    Filesize

    1.1MB

  • memory/2856-93-0x000000006B440000-0x000000006B4CF000-memory.dmp

    Filesize

    572KB

  • memory/2856-94-0x000000006EB40000-0x000000006EB63000-memory.dmp

    Filesize

    140KB

  • memory/2856-95-0x000000006FE40000-0x000000006FFC6000-memory.dmp

    Filesize

    1.5MB

  • memory/2856-89-0x0000000064940000-0x0000000064959000-memory.dmp

    Filesize

    100KB

  • memory/2856-70-0x000000006B280000-0x000000006B2A6000-memory.dmp

    Filesize

    152KB

  • memory/2856-45-0x000000006B280000-0x000000006B2A6000-memory.dmp

    Filesize

    152KB

  • memory/2856-48-0x000000006B440000-0x000000006B4CF000-memory.dmp

    Filesize

    572KB

  • memory/2856-58-0x000000006B440000-0x000000006B4CF000-memory.dmp

    Filesize

    572KB

  • memory/2856-67-0x000000006FE40000-0x000000006FFC6000-memory.dmp

    Filesize

    1.5MB

  • memory/2856-62-0x000000006B440000-0x000000006B4CF000-memory.dmp

    Filesize

    572KB

  • memory/2960-112-0x0000000000400000-0x00000000008A5000-memory.dmp

    Filesize

    4.6MB

  • memory/2960-109-0x0000000000400000-0x00000000008A5000-memory.dmp

    Filesize

    4.6MB

  • memory/2960-154-0x0000000000400000-0x00000000008A5000-memory.dmp

    Filesize

    4.6MB

  • memory/2960-108-0x00000000001E0000-0x00000000001E9000-memory.dmp

    Filesize

    36KB

  • memory/2960-107-0x00000000002A0000-0x00000000003A0000-memory.dmp

    Filesize

    1024KB