Resubmissions

17/08/2024, 04:28

240817-e3s1baxcng 10

17/08/2024, 04:22

240817-ezgg4sxbjd 10

17/08/2024, 04:16

240817-ev7hqszdqq 10

Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    17/08/2024, 04:22

General

  • Target

    bGQG1lUueoRA8wG1VJVpZI.exe

  • Size

    2.5MB

  • MD5

    1131d469af31cd6b8f255082a47b61d0

  • SHA1

    45c760394e35b8d22001f273483a16884f941b7d

  • SHA256

    0c18eb1176bcfd47bb2a2865fd16f0e45006a1d15fa310d4d96a661844ca4454

  • SHA512

    d8e3f54bf66dc6e1ccebc74b4ab430f653e8a8455b5557d604a90e04559ae88c671ebfda099a9c7983a7d0df21ad1592bdc3c7d53104e0510386e190a721e4d4

  • SSDEEP

    49152:jgt6keWN9P/GH9wRYuQVGBjRtkgkrz0zVj12ffeCDf:jgIgN9P/GH9w2VGBjvgz0zLuDf

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla payload 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bGQG1lUueoRA8wG1VJVpZI.exe
    "C:\Users\Admin\AppData\Local\Temp\bGQG1lUueoRA8wG1VJVpZI.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2584
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c start cmd /C "color b && title Error && echo Signature checksum failed. Request was tampered with or session ended most likely. & echo: & echo Response: {"success":false,"message":"Session not found. Use latest code. You can only have app opened 1 at a time."} && timeout /t 5"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2368
      • C:\Windows\SysWOW64\cmd.exe
        cmd /C "color b && title Error && echo Signature checksum failed. Request was tampered with or session ended most likely. & echo: & echo Response: {"success":false,"message":"Session not found. Use latest code. You can only have app opened 1 at a time."} && timeout /t 5"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3020
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 5
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:812

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    342B

    MD5

    045eff2bbf5b95dc0f2be4990d855d11

    SHA1

    75c125c98aa86757a065eaa65e4733e58cab15f9

    SHA256

    9336c79c24870283ecf6c15095528648a04e3ddf0154c590a3115c364eff435a

    SHA512

    fb9756db3ff38a960cadcf6144a92fda0d60faf9093d436930ac5bd63a7bdcb673e5aae014d28493ede638900679d8dc04e0d581eae9ea9f4a05b2690b1775ac

  • C:\Users\Admin\AppData\Local\Temp\CabBA4C.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/2584-3-0x0000000005090000-0x00000000052A4000-memory.dmp

    Filesize

    2.1MB

  • memory/2584-4-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2584-5-0x0000000004C90000-0x0000000004D06000-memory.dmp

    Filesize

    472KB

  • memory/2584-6-0x00000000056C0000-0x0000000005772000-memory.dmp

    Filesize

    712KB

  • memory/2584-0-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

    Filesize

    4KB

  • memory/2584-2-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2584-1-0x00000000012E0000-0x0000000001572000-memory.dmp

    Filesize

    2.6MB

  • memory/2584-69-0x0000000074E8E000-0x0000000074E8F000-memory.dmp

    Filesize

    4KB

  • memory/2584-70-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB

  • memory/2584-71-0x0000000074E80000-0x000000007556E000-memory.dmp

    Filesize

    6.9MB