Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    20-01-2024 01:06

General

  • Target

    4b4dfa7f0295c7499b377832ef5cd5d11cbc37bd6ad96b9969fa5d0055bed563.exe

  • Size

    821KB

  • MD5

    ecdff1026e3fde10bfbd1eec8fc56df7

  • SHA1

    582f980152c469de53aeb7230951ebb79f0e7056

  • SHA256

    4b4dfa7f0295c7499b377832ef5cd5d11cbc37bd6ad96b9969fa5d0055bed563

  • SHA512

    8b3e19d03fc9f4e336b999f8e261ea7ad4d652a9e28f254cce3ded41fbab32999b9682f68f0ee65ae6ddb4ca072a783487426f5070ada938b5ddd91d7a7f1e6d

  • SSDEEP

    12288:jBdlwHRn+WlYV+8T+tk8z9qnwb6XMMA4pZ8KGuLbAovtau1PtjLxuWRtb:jBkVdlYAK2qnvXMGpy0L8OJPjQqtb

Malware Config

Signatures

  • Detects Echelon Stealer payload 9 IoCs
  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

  • Stops running service(s) 3 TTPs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Launches sc.exe 1 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4b4dfa7f0295c7499b377832ef5cd5d11cbc37bd6ad96b9969fa5d0055bed563.exe
    "C:\Users\Admin\AppData\Local\Temp\4b4dfa7f0295c7499b377832ef5cd5d11cbc37bd6ad96b9969fa5d0055bed563.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Echelon.sfx.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Echelon.sfx.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2968
  • C:\Users\Admin\AppData\Local\Temp\RarSFX1\Echelon.exe
    "C:\Users\Admin\AppData\Local\Temp\RarSFX1\Echelon.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2820
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c sc stop "MpsSvc"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2684
      • C:\Windows\system32\sc.exe
        sc stop "MpsSvc"
        3⤵
        • Launches sc.exe
        PID:1120
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2820 -s 1468
      2⤵
        PID:2552

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Echelon.sfx.exe

      Filesize

      64KB

      MD5

      e0956addbf2f5923cb2352a00af58ccd

      SHA1

      199fcb85dd8a8c453266225ef24196531442ad1c

      SHA256

      43f2358c532d2a138f6c22206cef1ff96256d04dce66a8b825e66339e58e647a

      SHA512

      82db4db31fd93a65972aa3b23edfa4cbb4ca68582a814f779dc3e6d2e88e1cc2fd97d17ad19ad3360c6f6807c08f197938e06864a03a868158306fa9957462bc

    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Echelon.sfx.exe

      Filesize

      92KB

      MD5

      87ef275b4b6e4bef9d426561d88e411f

      SHA1

      e499deb889dfaf230cbbd040f34bb69a5d8452cf

      SHA256

      49503a9f5605843698c0771d832d5d0167f62662bb42f09b84a35eb66ae3bd07

      SHA512

      5d64909a73a942e3db139d8af0dfef394bd268cd93e18fe1533dea2b894f3ed5289f33939500138cf2bd996e59f77d12059e7ddce7448fb3072bab32338efadc

    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Echelon.sfx.exe

      Filesize

      158KB

      MD5

      86fff4ca4ba19d5419435809a68a23fe

      SHA1

      4b6b30696061a7bbce3f7e5c70b30383d4f53ccf

      SHA256

      989dad6c63bbbae9129d37c0f5b231d3393064594116dddc5fb3892ad6537271

      SHA512

      caa1eeac9aea552696893b0e5dc7939066fbc3d3e5425cb9afab68fc4eaed02fc94575235d2a71404ac5b44602f77a47f33fd44c69b29fb1274ac2e4d22b88fc

    • C:\Users\Admin\AppData\Local\Temp\RarSFX1\Echelon.exe

      Filesize

      66KB

      MD5

      cd25d47978eb8dd985ecafadc6d9de20

      SHA1

      b54c829e285a57a9b39962edece22ef0e57b9adb

      SHA256

      6cce1bac98f7f9046bfc00d3853c74f562fa9795900acfce6e7f788360b956f5

      SHA512

      25cfc9aa64b8a22a690dfa58159360c3184878f5354cdfa640a379c7ae4beda8a2ac5f253c4739c4b15baf5125fceba0b28aa928c77977dbdd0fe98bad5164cd

    • C:\Users\Admin\AppData\Local\Temp\RarSFX1\Echelon.exe

      Filesize

      165KB

      MD5

      c2190925d0bc464a5673c4317f9dbdf5

      SHA1

      f1f089e53afdd1ac92cb07e1ace6079bb2d1ad62

      SHA256

      94475c16ff64c8adfa3f8f252d195471e46a8e9b331581ed9471a3317a616edf

      SHA512

      f35a3496af5314b92e7668d76a198d30895513e14154f65a3540afa29d6d258e962ff6f1ba1df1f269b724e2e19b0595c6428af0d534a4be7d0539a2faabf99e

    • C:\Users\Admin\AppData\Local\Temp\RarSFX1\Echelon.exe

      Filesize

      70KB

      MD5

      dc76d052fdd8ab372f94658c2eed9088

      SHA1

      51a97e7ea1f3ec4b3a9033a8f6d3dc31e33f32d3

      SHA256

      48d5a4204727dc5718eaafdcb1e5544661d14db39e0e2dee47ba60cedd78c3d7

      SHA512

      b7fde26fa3384e0a92933a3fc9c575c707fa7841a894ed84c3558c82f79106c21904eb9aba9641d244d23aad8f84c238f29a5617f674619b17789ee63e123e7a

    • \Users\Admin\AppData\Local\Temp\RarSFX0\Echelon.sfx.exe

      Filesize

      74KB

      MD5

      8f4b3921e8a83553d7059e780ed739d4

      SHA1

      0014b99c43e721fc6940877627f8cf7159f04cfa

      SHA256

      f734e4129a77ef2fd8f0304085b6f992b6ebec41f93563676e19c2d5c88d014c

      SHA512

      fe30db7071d37c761aab8282cc17022de3e8c512fbfa38556630c3e7790e74f2f569a74ece859a356a3a17e859da6e30e885a38df947bdc8dadf4a5aab193c5b

    • \Users\Admin\AppData\Local\Temp\RarSFX0\Echelon.sfx.exe

      Filesize

      264KB

      MD5

      6aa4e2b6c23f670cf3b0368855886a98

      SHA1

      9bbe1e2fc3efeca938f3463951b5219f12596ee6

      SHA256

      38bb2513fa5f30bb55604f59fd8bab46830744523330da2ebd5240fa6dcdf46e

      SHA512

      cff6478b6514e31b3c0eea2175c840527c323f01c24b3209fc1ce7d786ae211b4a1fa970156a0480242ec67e9834f44a378d6bc2a97673e3690f3f1af7614ca3

    • \Users\Admin\AppData\Local\Temp\RarSFX0\Echelon.sfx.exe

      Filesize

      292KB

      MD5

      7b6ae36e74a50c707f02c91c2f788718

      SHA1

      b5b9136bd499a4c64c47345956dea70af0c4f0e8

      SHA256

      dc3898a6815cd41da5f6829903556d053e9c872a1533addfd3d98ae44d7cdf46

      SHA512

      05beebf20a50fef908788544dbaf5f9c71c03173623c7baf8e9cb8d8ac74767c41926781b7dfbfb8d8d131291a0b2a3ef620f39a75868aaeddc9b9e5f5e7f517

    • \Users\Admin\AppData\Local\Temp\RarSFX1\Echelon.exe

      Filesize

      119KB

      MD5

      aa7e3b0087ee100d81ccbf1da51ae6ca

      SHA1

      d6a29f17b03e9ddd5a062b36785ad10566f9b5b5

      SHA256

      436e7a09111f7db74abe0890511dd084171709c3e81295cf8a0de79627fcf4d9

      SHA512

      081b9eb8ca03fc81b08fc28b50cf9362bda28560e89e8a1e8d9d14674cb743dacb6faf277eef1b4cbe6db208ea7de1900615554daa9ae28b11dcfc4c788331f6

    • \Users\Admin\AppData\Local\Temp\RarSFX1\Echelon.exe

      Filesize

      17KB

      MD5

      01bdfcdde7f94c97b765c252835027a8

      SHA1

      1f75fad8378714ee72c9e824ab0e84b6cf406647

      SHA256

      41891d251d766c63637c1a82e804ab0be5845f6da12bc0ad3761a38affbe7243

      SHA512

      64d5841b09e434b188690ee8ecb36d9060dd121865f42dfc225fe3fbfb22ed190049bb5a322ade7e6b1dffdba49870927fbcfae669c60680718b3dd2ceee289d

    • \Users\Admin\AppData\Local\Temp\RarSFX1\Echelon.exe

      Filesize

      77KB

      MD5

      8a2d6b5713235f0d8abb94bc6fa269aa

      SHA1

      eaa6edd3c7b88daee22698d16c9b72d1e434af8a

      SHA256

      48307586740db016addbbf78fabfd9bd7121172f8534aaae5875ea82144acba5

      SHA512

      766fa969347fba6c7f3e0544e9e7ea76adb578df8032b9eb86e18c54e62cfdd497f693ffb07502b96f113241177d1af0b9c9104b133c9e6d1386f6e1ae47c2d7

    • \Users\Admin\AppData\Local\Temp\RarSFX1\Echelon.exe

      Filesize

      208KB

      MD5

      4ee9672c61c45319eebce175c6cd45fb

      SHA1

      b098a729886b69174e67b560dc21264c44d58f4e

      SHA256

      acab705bda7a99c89d85c1d0cfb314b6bb2755bbfe0fac28b807e05d8869936d

      SHA512

      f3307e91ce609985ff0ab5087c8271f9a0691406393f37240bd89337bffe76874c935422cd9070ea0aedfdbbb64c58a2245d5750d19a2bb9af20e05b5c6ed600

    • \Users\Admin\AppData\Local\Temp\RarSFX1\Echelon.exe

      Filesize

      45KB

      MD5

      1b572889d79bb337e9cbc4a4b13b7ae3

      SHA1

      4c07372082a2115d62af56c5a649cb7a770c92b1

      SHA256

      5454b0f30d0a21b77a616f435fd16577c541bebbc4a0c1753618388bb7ba668b

      SHA512

      a46847ad6ac81eb6dd730255dd97bb6cddd5e08c5cde7b1c51bd115f2c9be5d9106c45dfb552c4ead05d1679ed996cab3a90d406831c5bf3e062b9a3d14248bf

    • memory/2820-34-0x000000001B0D0000-0x000000001B150000-memory.dmp

      Filesize

      512KB

    • memory/2820-33-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp

      Filesize

      9.9MB

    • memory/2820-32-0x0000000000FE0000-0x000000000107A000-memory.dmp

      Filesize

      616KB

    • memory/2820-35-0x000007FEF5E00000-0x000007FEF67EC000-memory.dmp

      Filesize

      9.9MB

    • memory/2820-36-0x000000001B0D0000-0x000000001B150000-memory.dmp

      Filesize

      512KB