Resubmissions

08-06-2024 08:08

240608-j1h5jsad3x 10

08-06-2024 08:02

240608-jxh1daac9y 10

Analysis

  • max time kernel
    124s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    08-06-2024 08:02

General

  • Target

    Blank_and_Remote_Desktop.exe

  • Size

    8.7MB

  • MD5

    2dc256e33f0cd66b15073ff1fe67d6d2

  • SHA1

    b2ce0c167954623f5f3c81e281f439e660660a8e

  • SHA256

    ff7c3a604688bef1b2f61414d6fc9233aff7b6d4f09f53b26e3a6c1d0dbf2cc8

  • SHA512

    c28637d096e0e2c7e7a150f34fa85f5126b243361fb422ec71655065ae6bdd24557c85e0b371868575dcc0901e49d602b6a47fb7851d6531dc910a43432d062e

  • SSDEEP

    196608:Aqw6fdVDXXpjceQE7LRQMkUvQbMnKgmbkB4oYJ1q4pre/Z:xJIe7LRQMkUvQbmKgY9NS/Z

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTI0ODQ3ODYzMjY3NDg1NzA3MA.Gm1udg.GISH3HAGU7rYHzskiJvuW_ow-VZKZ99H29z0vY

  • server_id

    1248761195348103250

Signatures

  • Discord RAT

    A RAT written in C# using Discord as a C2.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 16 IoCs
  • UPX packed file 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Blank_and_Remote_Desktop.exe
    "C:\Users\Admin\AppData\Local\Temp\Blank_and_Remote_Desktop.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Built.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Built.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:3064
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Built.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Built.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2520
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1084
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 1084 -s 596
        3⤵
        • Loads dropped DLL
        PID:2812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\_MEI30642\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\_MEI30642\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\_MEI30642\python311.dll

    Filesize

    1.6MB

    MD5

    76eb1ad615ba6600ce747bf1acde6679

    SHA1

    d3e1318077217372653be3947635b93df68156a4

    SHA256

    30be871735591ad96bc3fc7e541cdef474366159c2f7443feb30739cbd2db7e1

    SHA512

    2b960e74dd73f61d6a44fef0de9f2d50bcf2ec856b7aa5b97f0107e3cdadea461790760668a67db2ecaf71ff323133ee39ce2b38aafff3629c14e736d6a64aeb

  • C:\Users\Admin\AppData\Local\Temp\_MEI30642\ucrtbase.dll

    Filesize

    992KB

    MD5

    0e0bac3d1dcc1833eae4e3e4cf83c4ef

    SHA1

    4189f4459c54e69c6d3155a82524bda7549a75a6

    SHA256

    8a91052ef261b5fbf3223ae9ce789af73dfe1e9b0ba5bdbc4d564870a24f2bae

    SHA512

    a45946e3971816f66dd7ea3788aacc384a9e95011500b458212dc104741315b85659e0d56a41570731d338bdf182141c093d3ced222c007038583ceb808e26fd

  • \Users\Admin\AppData\Local\Temp\RarSFX0\Built.exe

    Filesize

    8.1MB

    MD5

    c0e2357cd2c816a881450b6197a986fa

    SHA1

    c4034496d23e1ce3fdc54958f8fafdce3b25a7ed

    SHA256

    23d83cbbdc4b988bb746964338ee2f7a17514365722348a2b42a38f1cfac0fcd

    SHA512

    0bf0bae8b446f3d9373b41727bb5a1a110e34bbdfcaa072a319103a5e7cd6810f68b5e6e54a530ff0596c3d56e929085d55d756d45689ccac859a3534ed2eba9

  • \Users\Admin\AppData\Local\Temp\RarSFX0\Client-built.exe

    Filesize

    78KB

    MD5

    ae295742f89295163a7cb6a274727ab0

    SHA1

    1e805bf2c4564ce3fbeb2d74117323f1fecd4a78

    SHA256

    8be2d6c3467e3c078a254dcb3e6aebd75f456708daba424f5894c0d3950c59c5

    SHA512

    4b639919c2512207c5edfb00137fb59ba78fdbba1cc22192b85f21277ec29da7c59e9c3f39930570e1a4543b6c45691ef33d807fbe1f65ab0225dff4964ae28d

  • \Users\Admin\AppData\Local\Temp\_MEI30642\api-ms-win-core-file-l1-2-0.dll

    Filesize

    21KB

    MD5

    1c58526d681efe507deb8f1935c75487

    SHA1

    0e6d328faf3563f2aae029bc5f2272fb7a742672

    SHA256

    ef13dce8f71173315dfc64ab839b033ab19a968ee15230e9d4d2c9d558efeee2

    SHA512

    8edb9a0022f417648e2ece9e22c96e2727976332025c3e7d8f15bcf6d7d97e680d1bf008eb28e2e0bd57787dcbb71d38b2deb995b8edc35fa6852ab1d593f3d1

  • \Users\Admin\AppData\Local\Temp\_MEI30642\api-ms-win-core-file-l2-1-0.dll

    Filesize

    18KB

    MD5

    bfffa7117fd9b1622c66d949bac3f1d7

    SHA1

    402b7b8f8dcfd321b1d12fc85a1ee5137a5569b2

    SHA256

    1ea267a2e6284f17dd548c6f2285e19f7edb15d6e737a55391140ce5cb95225e

    SHA512

    b319cc7b436b1be165cdf6ffcab8a87fe29de78f7e0b14c8f562be160481fb5483289bd5956fdc1d8660da7a3f86d8eede35c6cc2b7c3d4c852decf4b2dcdb7f

  • \Users\Admin\AppData\Local\Temp\_MEI30642\api-ms-win-core-timezone-l1-1-0.dll

    Filesize

    21KB

    MD5

    d12403ee11359259ba2b0706e5e5111c

    SHA1

    03cc7827a30fd1dee38665c0cc993b4b533ac138

    SHA256

    f60e1751a6ac41f08e46480bf8e6521b41e2e427803996b32bdc5e78e9560781

    SHA512

    9004f4e59835af57f02e8d9625814db56f0e4a98467041da6f1367ef32366ad96e0338d48fff7cc65839a24148e2d9989883bcddc329d9f4d27cae3f843117d0

  • memory/1084-153-0x000007FEF5B50000-0x000007FEF653C000-memory.dmp

    Filesize

    9.9MB

  • memory/1084-147-0x000007FEF5B53000-0x000007FEF5B54000-memory.dmp

    Filesize

    4KB

  • memory/1084-148-0x000000013FD10000-0x000000013FD28000-memory.dmp

    Filesize

    96KB

  • memory/1084-155-0x000007FEF5B53000-0x000007FEF5B54000-memory.dmp

    Filesize

    4KB

  • memory/1084-156-0x000007FEF5B50000-0x000007FEF653C000-memory.dmp

    Filesize

    9.9MB

  • memory/1084-157-0x000007FEF5B50000-0x000007FEF653C000-memory.dmp

    Filesize

    9.9MB

  • memory/2520-87-0x000007FEF5F50000-0x000007FEF653E000-memory.dmp

    Filesize

    5.9MB