Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06-06-2024 08:43

General

  • Target

    cstealer.exe

  • Size

    21.4MB

  • MD5

    3a1194d443df0e5400c398e5b8c7d848

  • SHA1

    4409b80d7ec6d696fbc5963dc45288b329a347ec

  • SHA256

    c349c6f267b577de6da6b6ac8fc5d4e263687942b8ce6210bc2c83efbfbe5632

  • SHA512

    2f969fa7372b644dcf56a815508b23860f2651ec9085d9e64ab44dcf30f085308891cc82d907e54fef04d366127beb392e9dcac4ab7b225b97cefd712e91f248

  • SSDEEP

    393216:oEkZQtsPNZTJWQsUcR4NznW+eGQRRn/ikWMW49yQiYrqE6d3dc5aYv/:ohQts/YQFPW+e5R9qPk7iYe5O5aE

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 7 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cstealer.exe
    "C:\Users\Admin\AppData\Local\Temp\cstealer.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2724
    • C:\Users\Admin\AppData\Local\Temp\cstealer.exe
      "C:\Users\Admin\AppData\Local\Temp\cstealer.exe"
      2⤵
      • Loads dropped DLL
      PID:2396

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_MEI27242\api-ms-win-core-file-l1-2-0.dll

    Filesize

    21KB

    MD5

    1c58526d681efe507deb8f1935c75487

    SHA1

    0e6d328faf3563f2aae029bc5f2272fb7a742672

    SHA256

    ef13dce8f71173315dfc64ab839b033ab19a968ee15230e9d4d2c9d558efeee2

    SHA512

    8edb9a0022f417648e2ece9e22c96e2727976332025c3e7d8f15bcf6d7d97e680d1bf008eb28e2e0bd57787dcbb71d38b2deb995b8edc35fa6852ab1d593f3d1

  • C:\Users\Admin\AppData\Local\Temp\_MEI27242\api-ms-win-core-file-l2-1-0.dll

    Filesize

    18KB

    MD5

    bfffa7117fd9b1622c66d949bac3f1d7

    SHA1

    402b7b8f8dcfd321b1d12fc85a1ee5137a5569b2

    SHA256

    1ea267a2e6284f17dd548c6f2285e19f7edb15d6e737a55391140ce5cb95225e

    SHA512

    b319cc7b436b1be165cdf6ffcab8a87fe29de78f7e0b14c8f562be160481fb5483289bd5956fdc1d8660da7a3f86d8eede35c6cc2b7c3d4c852decf4b2dcdb7f

  • C:\Users\Admin\AppData\Local\Temp\_MEI27242\api-ms-win-core-localization-l1-2-0.dll

    Filesize

    21KB

    MD5

    724223109e49cb01d61d63a8be926b8f

    SHA1

    072a4d01e01dbbab7281d9bd3add76f9a3c8b23b

    SHA256

    4e975f618df01a492ae433dff0dd713774d47568e44c377ceef9e5b34aad1210

    SHA512

    19b0065b894dc66c30a602c9464f118e7f84d83010e74457d48e93aaca4422812b093b15247b24d5c398b42ef0319108700543d13f156067b169ccfb4d7b6b7c

  • C:\Users\Admin\AppData\Local\Temp\_MEI27242\api-ms-win-core-processthreads-l1-1-1.dll

    Filesize

    21KB

    MD5

    517eb9e2cb671ae49f99173d7f7ce43f

    SHA1

    4ccf38fed56166ddbf0b7efb4f5314c1f7d3b7ab

    SHA256

    57cc66bf0909c430364d35d92b64eb8b6a15dc201765403725fe323f39e8ac54

    SHA512

    492be2445b10f6bfe6c561c1fc6f5d1af6d1365b7449bc57a8f073b44ae49c88e66841f5c258b041547fcd33cbdcb4eb9dd3e24f0924db32720e51651e9286be

  • C:\Users\Admin\AppData\Local\Temp\_MEI27242\api-ms-win-core-timezone-l1-1-0.dll

    Filesize

    21KB

    MD5

    d12403ee11359259ba2b0706e5e5111c

    SHA1

    03cc7827a30fd1dee38665c0cc993b4b533ac138

    SHA256

    f60e1751a6ac41f08e46480bf8e6521b41e2e427803996b32bdc5e78e9560781

    SHA512

    9004f4e59835af57f02e8d9625814db56f0e4a98467041da6f1367ef32366ad96e0338d48fff7cc65839a24148e2d9989883bcddc329d9f4d27cae3f843117d0

  • C:\Users\Admin\AppData\Local\Temp\_MEI27242\python311.dll

    Filesize

    5.5MB

    MD5

    86e0ad6ba8a9052d1729db2c015daf1c

    SHA1

    48112072903fff2ec5726cca19cc09e42d6384c7

    SHA256

    5ecda62f6fd2822355c560412f6d90be46a7f763f0ffeec9854177904632ac2d

    SHA512

    5d6e32f9ff90a9a584183dad1583aea2327b4aea32184b0ebbec3df41b0b833e6bb3cd40822dd64d1033125f52255812b17e4fa0add38fcda6bab1724dfaa2eb

  • C:\Users\Admin\AppData\Local\Temp\_MEI27242\ucrtbase.dll

    Filesize

    992KB

    MD5

    0e0bac3d1dcc1833eae4e3e4cf83c4ef

    SHA1

    4189f4459c54e69c6d3155a82524bda7549a75a6

    SHA256

    8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae

    SHA512

    a45946e3971816f66dd7ea3788aacc384a9e95011500b458212dc104741315b85659e0d56a41570731d338bdf182141c093d3ced222c007038583ceb808e26fd