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03-07-2024 16:04

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Analysis

  • max time kernel
    145s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    03-07-2024 16:04

General

  • Target

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe

  • Size

    669KB

  • MD5

    ead18f3a909685922d7213714ea9a183

  • SHA1

    1270bd7fd62acc00447b30f066bb23f4745869bf

  • SHA256

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

  • SHA512

    6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

  • SSDEEP

    6144:bLUHLyHlwFjxDi2nEZkQ4NXxp0XMgkBWPqdN/jGdfYY7SRA7j4YlvfYAAjJ:4uFi02nEZh4jp0XLuxGdgTm73vL

Malware Config

Signatures

  • Modifies file permissions 1 TTPs 1 IoCs
  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 6 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).

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
    "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe"
    1⤵
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2956
    • C:\Windows\SysWOW64\icacls.exe
      icacls "C:\Users\Admin\AppData\Local\cf245c4c-5a37-4654-85a0-0c34985d2100" /deny *S-1-1-0:(OI)(CI)(DE,DC)
      2⤵
      • Modifies file permissions
      PID:2496
    • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
      "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Admin IsNotAutoStart IsNotTask
      2⤵
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2648
      • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
        "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --ForNetRes "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1 IsNotAutoStart IsNotTask
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1556
        • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
          "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 1556 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:596
      • C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe
        "C:\Users\Admin\AppData\Local\Temp\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe" --Service 2648 "FsnDCf1u1wJvLcqbFxxtOchBf2V2lgtk24oM5mt2" 0h7mFQcjRC3pDgsRcrWZ7K7bdAgvgDos224DmXt1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

    Filesize

    1KB

    MD5

    2365869258df7a66a2121b802ca4afd9

    SHA1

    73acc30a2edeb9d6830de559bb8a74f35168135d

    SHA256

    d6b1932822bbd72a8e78c771717d992142348f67d625a42393719fefbe59b0ed

    SHA512

    795004bab536e128dbd81c188976d37c7b650efbfa5a80374df4c65a1049c27658f4620b7605583928eb167fcb69b4c99e4c8730c507b824a7bde9c7fb0e21f4

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

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

    Filesize

    436B

    MD5

    1bfe0a81db078ea084ff82fe545176fe

    SHA1

    50b116f578bd272922fa8eae94f7b02fd3b88384

    SHA256

    5ba8817f13eee00e75158bad93076ab474a068c6b52686579e0f728fda68499f

    SHA512

    37c582f3f09f8d80529608c09041295d1644bcc9de6fb8c4669b05339b0dd870f9525abc5eed53ad06a94b51441275504bc943c336c5beb63b53460ba836ca8d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

    Filesize

    174B

    MD5

    8cbf1a66e64a51441bec63ee90571e5f

    SHA1

    3a1f21d73a1f645264b663a37b6a393ce2a88fd4

    SHA256

    cecd3fd8894dc28c1a3d7e3fb56e7be9004dff6b12dcc986659210e967d18b54

    SHA512

    6fde8f455a317fb1bf4203636502187e375412c127773b2aefe1aa6adfbdceef86e934617710c1b09d16bfc8a6bff18ded747b0fe501d789cc55b9f8de1c2434

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

    Filesize

    342B

    MD5

    b9f8fd3067a3c1cca6ffc35a8abf63bf

    SHA1

    792dd4988e41e3032bc38ad84703870e642a533d

    SHA256

    04ef3af7ce5606b71e9af54ef1798146ffaed0a2254bb4fc27696bd58ee02c4b

    SHA512

    5ec3840a35e83a34f5bf4ae854e823068656ead70d734a005ecbf45ae80eaf35b3ead0c863237a41652fd519e992aca9e8b2b356d36b55763c0603f8472bf2a6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

    Filesize

    170B

    MD5

    6d6f955a0aa0cae35f5f73299c841370

    SHA1

    9f2bc87ba58a77341946aba90e6326ceb594a230

    SHA256

    2201e99665e441761b54f30c5ca5768b368b83733f33528fb226d026083ff225

    SHA512

    1aea593806b53c277a61e8c237659355666fa5c217dfe730e451af404037932d00cc5a55f4e8b069f29814eaf99a43e62216b2d14d30103ca79e8df88d2ece92

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    15cade1e13709b50ecca383476039d72

    SHA1

    66eedb5f5e54c3470ebd4e46e0b69604d80e0c60

    SHA256

    7389d9c1963d997fa31c74d2ff67fbfe4743759953740441d5f439b8388d542d

    SHA512

    1862bdeea1b7269dceff4eac1969ae8de914845ab702019ff28cf53a01b1db9d60cf96b010dc8ba402c3c6be46b1ef510840f5728221d6b72de4151415840578

  • C:\Users\Admin\AppData\Local\Temp\Tar2A4C.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\cf245c4c-5a37-4654-85a0-0c34985d2100\5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18.exe

    Filesize

    669KB

    MD5

    ead18f3a909685922d7213714ea9a183

    SHA1

    1270bd7fd62acc00447b30f066bb23f4745869bf

    SHA256

    5da0116af495e6d8af7241da9b8281d918b9ff9a98a3deab4cca1aec1e456c18

    SHA512

    6e532d9c3d186e4dac38823ae9152056346e283613f0caf088b21a1b3e5f4f6cf3bad8c407168b1072895a386e3be0b8c11ad1cb326d3d3ff0eb8562052def91

  • memory/596-78-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/596-94-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/1392-97-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/1556-67-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/1556-95-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2648-45-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2648-68-0x0000000002770000-0x0000000002819000-memory.dmp

    Filesize

    676KB

  • memory/2648-99-0x0000000002770000-0x0000000002819000-memory.dmp

    Filesize

    676KB

  • memory/2648-96-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2648-47-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2648-63-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2648-64-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2648-65-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2648-66-0x0000000002770000-0x0000000002819000-memory.dmp

    Filesize

    676KB

  • memory/2956-0-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2956-42-0x00000000005B0000-0x00000000006B0000-memory.dmp

    Filesize

    1024KB

  • memory/2956-40-0x0000000003CB0000-0x0000000003D59000-memory.dmp

    Filesize

    676KB

  • memory/2956-39-0x0000000003CA0000-0x0000000003D49000-memory.dmp

    Filesize

    676KB

  • memory/2956-3-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB

  • memory/2956-44-0x0000000000400000-0x00000000004A9000-memory.dmp

    Filesize

    676KB

  • memory/2956-2-0x00000000005B0000-0x00000000006B0000-memory.dmp

    Filesize

    1024KB

  • memory/2956-43-0x0000000000400000-0x0000000000476000-memory.dmp

    Filesize

    472KB