Analysis

  • max time kernel
    120s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    23-10-2023 10:39

General

  • Target

    DRMS Tender No. P500-2023-102.exe

  • Size

    935KB

  • MD5

    2e450823db1430464efb84f8074cc84f

  • SHA1

    88c86734e5de9f22154ca8c55cd141b2068e922f

  • SHA256

    50e8e741266264cb161b567f8dbcd65bf8cdcfea296c9807dc00a9cae853b8fe

  • SHA512

    20c2eedba61f776d90636ad6dae668ad9222c5eca9a69437587317321e3116591250b8327fd41079f892ef021fc7d37035dd1fb20617d2c8331fdab376973c2b

  • SSDEEP

    24576:UpCvo/Sfhf/+5SxYn89JnMKFpn/9IUI7ighRKA2E4jKk:iX2f/LxYnonMKHn/9K71hRjrq

Malware Config

Signatures

  • PredatorStealer

    Predator is a modular stealer written in C#.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops desktop.ini file(s) 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DRMS Tender No. P500-2023-102.exe
    "C:\Users\Admin\AppData\Local\Temp\DRMS Tender No. P500-2023-102.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LUHgPxjH.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2228
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LUHgPxjH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4663.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2096
    • C:\Users\Admin\AppData\Local\Temp\DRMS Tender No. P500-2023-102.exe
      "C:\Users\Admin\AppData\Local\Temp\DRMS Tender No. P500-2023-102.exe"
      2⤵
        PID:2724
      • C:\Users\Admin\AppData\Local\Temp\DRMS Tender No. P500-2023-102.exe
        "C:\Users\Admin\AppData\Local\Temp\DRMS Tender No. P500-2023-102.exe"
        2⤵
        • Loads dropped DLL
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Drops desktop.ini file(s)
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:2728
        • C:\Users\Admin\AppData\Local\Temp\Zip.exe
          "C:\Users\Admin\AppData\Local\Temp\Zip.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:900

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\NL_BFEBFBFF000206D7\Files\desktop.ini

      Filesize

      282B

      MD5

      9e36cc3537ee9ee1e3b10fa4e761045b

      SHA1

      7726f55012e1e26cc762c9982e7c6c54ca7bb303

      SHA256

      4b9d687ac625690fd026ed4b236dad1cac90ef69e7ad256cc42766a065b50026

      SHA512

      5f92493c533d3add10b4ce2a364624817ebd10e32daa45ee16593e913073602db5e339430a3f7d2c44abf250e96ca4e679f1f09f8ca807d58a47cf3d5c9c3790

    • C:\Users\Admin\AppData\Local\Temp\NL_BFEBFBFF000206D7\ProgramList.txt

      Filesize

      4KB

      MD5

      ffa713514357da41366480604e20e8b3

      SHA1

      a674b688006ce32f8c49ea0c5067ed03c8694e04

      SHA256

      41b448cff8bba381ac27892377d4592bbf221645c933b8255fabd123e03b67b1

      SHA512

      4c8492125d6158a8315e0eb2f7cff2f41e189b01318c5a3c1198f2aff293ad10846ff5eebba6990019beb2472aa85520a97c0a5e83836b93771ccc8f8f85a3f0

    • C:\Users\Admin\AppData\Local\Temp\NL_BFEBFBFF000206D7\ProsessList.txt

      Filesize

      510B

      MD5

      7a35e1cf8f939b96f9c7895ba3d8ccf2

      SHA1

      15a8a1640dc84fc854e8013016419e8230dc11ba

      SHA256

      1d98829b9d971b68c5ca3c14ccc3a338f55b265018b1ca92c41a9239dec0da49

      SHA512

      94d19e17ed1c564de607a520c31784e849202206338507ba827864cf07814e2e40e287629575a9a1ead4b5d7fd09b23ca0f81d3520e71bb0b8c5f985b3342492

    • C:\Users\Admin\AppData\Local\Temp\NL_BFEBFBFF000206D7\Screenshot.png

      Filesize

      399KB

      MD5

      1616c3c59c4fce4d575c7c3b61b10589

      SHA1

      5c5aa6d118eedb8f745a267d635801ab80c0f7c6

      SHA256

      5b270755f622e3da8dceeb135f325fcd97a5bdc4f9b622dbf58f19e860585a95

      SHA512

      0df0226803e2d050f41a389cb542405738e23fdf87007df131d7823dabe1d0394888bc29404b12e2eb0ea73873321b30efbff98660287637911b5b9881cfac83

    • C:\Users\Admin\AppData\Local\Temp\NL_BFEBFBFF000206D7\info.txt

      Filesize

      325B

      MD5

      ebdc54338d9c5794c96a699136a97b38

      SHA1

      efcd47c6cead8c16df11ca06a2161851135ebb76

      SHA256

      6bfbe6fa2e6151843c1ad7837a9b6d70bcfa530f23007fdb47e3c0056e34f9dc

      SHA512

      dbe51f5e035e911b2e221c44438284ac4f1d83ef685b867d908f7861882caa80eea476d3a29c8457309c419f6fc0746f0941051a78f6e82ba5b8a7f72e767b90

    • C:\Users\Admin\AppData\Local\Temp\Zip.exe

      Filesize

      31KB

      MD5

      3afd64484a2a34fc34d1155747dd3847

      SHA1

      451e1d878179f6fcfbaf9fa79d9ee8207489748f

      SHA256

      bf78263914c6d3f84f825504536338fadd15868d788bf30d30613ca27abeb7a9

      SHA512

      d21a519c8867d569e56ac5c93ce861a72f6853e3a959467bf8e8779664f99b5e8be76ad27e078935191c798aea05891960e01d9a0d52e2a33d34ec5a58c00448

    • C:\Users\Admin\AppData\Local\Temp\Zip.exe

      Filesize

      31KB

      MD5

      3afd64484a2a34fc34d1155747dd3847

      SHA1

      451e1d878179f6fcfbaf9fa79d9ee8207489748f

      SHA256

      bf78263914c6d3f84f825504536338fadd15868d788bf30d30613ca27abeb7a9

      SHA512

      d21a519c8867d569e56ac5c93ce861a72f6853e3a959467bf8e8779664f99b5e8be76ad27e078935191c798aea05891960e01d9a0d52e2a33d34ec5a58c00448

    • C:\Users\Admin\AppData\Local\Temp\tmp4663.tmp

      Filesize

      1KB

      MD5

      6faa24afe131e5a7a0a82c4d9aba9c70

      SHA1

      d6cd5c7bcea712be2b5da47186ceb758aba3bbab

      SHA256

      12af9ac3a996310f7e11afc43e3618756d71c86b7f5ca7df112a0910f0698cdc

      SHA512

      3c616bfda5daa476020c84f90b9fc1ab4272520313199a15c7cd82a05f82730c3781337fb17199c571c94d0af85227f000a4963ff56c3f3490a6021ac542275f

    • \Users\Admin\AppData\Local\Temp\Zip.exe

      Filesize

      31KB

      MD5

      3afd64484a2a34fc34d1155747dd3847

      SHA1

      451e1d878179f6fcfbaf9fa79d9ee8207489748f

      SHA256

      bf78263914c6d3f84f825504536338fadd15868d788bf30d30613ca27abeb7a9

      SHA512

      d21a519c8867d569e56ac5c93ce861a72f6853e3a959467bf8e8779664f99b5e8be76ad27e078935191c798aea05891960e01d9a0d52e2a33d34ec5a58c00448

    • memory/900-52-0x0000000000C60000-0x0000000000C70000-memory.dmp

      Filesize

      64KB

    • memory/900-55-0x000000001A820000-0x000000001A8A0000-memory.dmp

      Filesize

      512KB

    • memory/900-53-0x000007FEF46D0000-0x000007FEF50BC000-memory.dmp

      Filesize

      9.9MB

    • memory/900-64-0x000007FEF46D0000-0x000007FEF50BC000-memory.dmp

      Filesize

      9.9MB

    • memory/900-57-0x000000001A820000-0x000000001A8A0000-memory.dmp

      Filesize

      512KB

    • memory/900-65-0x000007FEF46D0000-0x000007FEF50BC000-memory.dmp

      Filesize

      9.9MB

    • memory/2228-30-0x000000006E760000-0x000000006ED0B000-memory.dmp

      Filesize

      5.7MB

    • memory/2228-35-0x000000006E760000-0x000000006ED0B000-memory.dmp

      Filesize

      5.7MB

    • memory/2228-33-0x00000000024F0000-0x0000000002530000-memory.dmp

      Filesize

      256KB

    • memory/2228-34-0x00000000024F0000-0x0000000002530000-memory.dmp

      Filesize

      256KB

    • memory/2228-29-0x000000006E760000-0x000000006ED0B000-memory.dmp

      Filesize

      5.7MB

    • memory/2728-20-0x0000000000400000-0x0000000000490000-memory.dmp

      Filesize

      576KB

    • memory/2728-39-0x0000000004D10000-0x0000000004D50000-memory.dmp

      Filesize

      256KB

    • memory/2728-32-0x0000000074400000-0x0000000074AEE000-memory.dmp

      Filesize

      6.9MB

    • memory/2728-15-0x0000000000400000-0x0000000000490000-memory.dmp

      Filesize

      576KB

    • memory/2728-28-0x0000000000400000-0x0000000000490000-memory.dmp

      Filesize

      576KB

    • memory/2728-25-0x0000000000400000-0x0000000000490000-memory.dmp

      Filesize

      576KB

    • memory/2728-36-0x0000000004D10000-0x0000000004D50000-memory.dmp

      Filesize

      256KB

    • memory/2728-56-0x0000000004D10000-0x0000000004D50000-memory.dmp

      Filesize

      256KB

    • memory/2728-40-0x0000000074400000-0x0000000074AEE000-memory.dmp

      Filesize

      6.9MB

    • memory/2728-23-0x0000000000400000-0x0000000000490000-memory.dmp

      Filesize

      576KB

    • memory/2728-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2728-18-0x0000000000400000-0x0000000000490000-memory.dmp

      Filesize

      576KB

    • memory/2728-19-0x0000000000400000-0x0000000000490000-memory.dmp

      Filesize

      576KB

    • memory/2728-31-0x0000000004D10000-0x0000000004D50000-memory.dmp

      Filesize

      256KB

    • memory/2728-54-0x0000000004D10000-0x0000000004D50000-memory.dmp

      Filesize

      256KB

    • memory/2728-17-0x0000000000400000-0x0000000000490000-memory.dmp

      Filesize

      576KB

    • memory/3068-0-0x0000000000280000-0x000000000036E000-memory.dmp

      Filesize

      952KB

    • memory/3068-27-0x0000000074400000-0x0000000074AEE000-memory.dmp

      Filesize

      6.9MB

    • memory/3068-7-0x00000000058C0000-0x000000000598A000-memory.dmp

      Filesize

      808KB

    • memory/3068-6-0x0000000000540000-0x0000000000550000-memory.dmp

      Filesize

      64KB

    • memory/3068-5-0x00000000042B0000-0x00000000042F0000-memory.dmp

      Filesize

      256KB

    • memory/3068-4-0x0000000074400000-0x0000000074AEE000-memory.dmp

      Filesize

      6.9MB

    • memory/3068-3-0x0000000000420000-0x0000000000436000-memory.dmp

      Filesize

      88KB

    • memory/3068-2-0x00000000042B0000-0x00000000042F0000-memory.dmp

      Filesize

      256KB

    • memory/3068-1-0x0000000074400000-0x0000000074AEE000-memory.dmp

      Filesize

      6.9MB