Analysis

  • max time kernel
    91s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2024 00:55

General

  • Target

    b427f4cc1ac1f00e3ad33e24676646560cf04aee44eeaefa2a9758a08a6f78a5.exe

  • Size

    795KB

  • MD5

    0f3d85879ca1dea6acd30e1222c53993

  • SHA1

    0f16b8bb81f744d78002f11928c63cb1611bec57

  • SHA256

    b427f4cc1ac1f00e3ad33e24676646560cf04aee44eeaefa2a9758a08a6f78a5

  • SHA512

    ab73849179d520bb8719bcb772632f2310832f92a97aae99c8fe04acb721bcc3e4d0f0a16b90316a765d8883b42f26b72f4de1c945679035db5c2d34719da9a5

  • SSDEEP

    24576:FGHCm8uPdJy+x3eWhJ7kUewGIeAfjFb5pI:suWjeW2UPGPAHW

Malware Config

Extracted

Family

discordrat

Attributes
  • discord_token

    MTMxMTQ0NDk4MTAxMzAyMDc3Mg.Gz_2To.ddyZMlskW5IkWxvZKQxtRRzfz4cgw2XjE4yAu0

  • server_id

    1311378795281776650

Signatures

  • Discord RAT

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

  • Discordrat family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Deobfuscate/Decode Files or Information 1 TTPs 1 IoCs

    Payload decoded via CertUtil.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b427f4cc1ac1f00e3ad33e24676646560cf04aee44eeaefa2a9758a08a6f78a5.exe
    "C:\Users\Admin\AppData\Local\Temp\b427f4cc1ac1f00e3ad33e24676646560cf04aee44eeaefa2a9758a08a6f78a5.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Run.vbs"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2816
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c man.bat
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1448
        • C:\Windows\SysWOW64\certutil.exe
          certutil -decode C:\Users\Admin\AppData\Local\Temp\35e1y7i73e.txt C:\Users\Admin\AppData\Local\Temp\35e1y7i73e.exe
          4⤵
          • Deobfuscate/Decode Files or Information
          • System Location Discovery: System Language Discovery
          PID:1176
        • C:\Users\Admin\AppData\Local\Temp\35e1y7i73e.exe
          C:\Users\Admin\AppData\Local\Temp\35e1y7i73e.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:568
          • C:\Windows\system32\WerFault.exe
            C:\Windows\system32\WerFault.exe -u -p 568 -s 596
            5⤵
            • Loads dropped DLL
            PID:1020
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:1780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\35e1y7i73e.exe

    Filesize

    78KB

    MD5

    7d2b96a1886c76b42845b5b17d8f8834

    SHA1

    396987063ea768d305d5822b4682e2ab3a96bd9a

    SHA256

    9387875527976a33db416852acfcc15f6763f4850e8fdbeaf6aedc3089ef37a0

    SHA512

    31508f71a4a0b78fdd95556900aea1c892e6643a191468cbeb7cbc7425384360ce9a4441d649b441c11ab02512f798c13175e5a060481a4feef4f01844019d3d

  • C:\Users\Admin\AppData\Local\Temp\35e1y7i73e.txt

    Filesize

    105KB

    MD5

    ceaeafc017a42635bbf53b04417ef508

    SHA1

    7d8ace57aeaf0aa6b61526429ab2658941444333

    SHA256

    2684580741d138c06a1c0b7952f4120c390ff284bf66ed636408efa66b2329b5

    SHA512

    4f67aa83f6ceb35892c802ed7faeaa8c0950285062d2096ac9949e40bc3a7cbc69bbf1a9f6c3774cfeb47d59c61256769c0cdc07eeb6876f638203b40847b84d

  • C:\Users\Admin\AppData\Local\Temp\35e1y7i73e.txt

    Filesize

    5KB

    MD5

    811fa6ed7ffca0fdfd174db6bf8bf48d

    SHA1

    a8704aa986f418355574a372565fc5adaf9cfd67

    SHA256

    09942b969cc3848ce94053c27f9f943186d213ca5ea5c95738b4181d6c58faf8

    SHA512

    2b01b53ccddfcdff3cc82c3831436ab00ef1c1aca3a88f2b6490d7cd2fd3c3695c76389ea902493364dc0f97832ef93cf855f8a229224131c64acd36b9bd2288

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Run.vbs

    Filesize

    123B

    MD5

    19b182abe6109e7eff896828540fafda

    SHA1

    60bb82eedf097ab4c0a4d0d466938af74a2296a4

    SHA256

    8d9e9a3a5bbdb640056a8d76167f99f601be0e68d92f2f2322b5366a2995369e

    SHA512

    f1fbdb61c867853f99be8b12da1f5332b10cd25c3ed9f17e8a3afab60ecbfddfa9e84ffc8ae2dc8ec1505f326c4fde6f188a0ecd85f76739d6696dc945717e58

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Trexe.png

    Filesize

    373KB

    MD5

    22b463a63916485fd9109294e614a268

    SHA1

    34b3685199c007b7cf3f9ea65fbcebca7af4f7b9

    SHA256

    982bf30aff027c5b30815604d643bf4b2cd807aa51a5e557c0e0c52e58c61a7e

    SHA512

    2ab04755fa08cad07afaef0e3ba64eaee2177c6c9145beadacc020bdcb80941b33e8fa920497b50f2bf537f36b15c9438f63d90a63bc70351eba9bb5a774aa46

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\man.bat

    Filesize

    107KB

    MD5

    7762dea18eb9af46c481c2f9c6466258

    SHA1

    1c4b7bc25c5c20db7df16b16a0454f364bcc1e83

    SHA256

    de12124e2abf15f90a7375be74ad355f4555252ab332ddadcda3ada84aab4d87

    SHA512

    5386111d663ec78ca02d9584d4337e4318e359f8087be9a20baa4c035b6889c1817ec7603053f2deac17daf5086da65b0517599144f379ab58b6d70484ab96bb

  • memory/568-154-0x000000013F1D0000-0x000000013F1E8000-memory.dmp

    Filesize

    96KB

  • memory/1780-7-0x0000000000120000-0x0000000000122000-memory.dmp

    Filesize

    8KB

  • memory/1780-8-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/1780-160-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2748-6-0x0000000000840000-0x0000000000842000-memory.dmp

    Filesize

    8KB