Analysis

  • max time kernel
    153s
  • max time network
    88s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 21:04

General

  • Target

    e22630225a736abff39be497ca526e89c07d4806ece58f3b4d4d764fff5c8248.exe

  • Size

    620KB

  • MD5

    448948245976e63b7b21994ed26fb170

  • SHA1

    f220add2d29c1ebd25a31afb5f45cd8b232591e9

  • SHA256

    e22630225a736abff39be497ca526e89c07d4806ece58f3b4d4d764fff5c8248

  • SHA512

    9ab347f7b336b06d3bc5807291e292c89a28adf389eea3577a502445bd1e0fa4cface2921aba39bd414673ab8ed046c11058085931c0840c2d82171253523c5e

  • SSDEEP

    12288:VHjcoe9PH96vB/fAuBcm9TyOE/xG3muGx44MG4Yx:VDgINfAuBcgcZG2uG24MG4Y

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e22630225a736abff39be497ca526e89c07d4806ece58f3b4d4d764fff5c8248.exe
    "C:\Users\Admin\AppData\Local\Temp\e22630225a736abff39be497ca526e89c07d4806ece58f3b4d4d764fff5c8248.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1608
    • C:\Users\Admin\AppData\Local\Temp\lesefy.exe
      C:\Users\Admin\AppData\Local\Temp\lesefy.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1964
      • C:\Users\Admin\AppData\Local\Temp\~DFA78.tmp
        C:\Users\Admin\AppData\Local\Temp\~DFA78.tmp OK
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1956
        • C:\Users\Admin\AppData\Local\Temp\cafyny.exe
          "C:\Users\Admin\AppData\Local\Temp\cafyny.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:904
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\_uninsep.bat" "
      2⤵
      • Deletes itself
      PID:828

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\_uninsep.bat

    Filesize

    341B

    MD5

    c94c53f663bf6f18201916e1575c4bba

    SHA1

    18d56e52989c27893661cc3490d68dd0f64a256f

    SHA256

    3de27610130650cde28e0dc9dcdb06b9076a829630a7e1916765073d0d0339cb

    SHA512

    a363e31b9d421d696d70bf31000da98de05aaf1e641ac95f7cd2ea5bcbcaa1e61c80503e55ecce788b577c61de550b70e14a68c675d09f2c55c79ce56f1b4d53

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

    Filesize

    398KB

    MD5

    3fef2b5ca00a9ec586c8d4b27ec78bee

    SHA1

    91921750994853905835e5b980fa531a56cbaa3d

    SHA256

    73e13da3d8e654cadfaa9978ab96e03168e23047efca318082fb969263d242a6

    SHA512

    28afca027a5882a0246b8c6afebbc9e63bb2811677247a2841de291d707cac18692f5cfad6af1d4b527c26520fcfc2f409ff91b36bf6ccf0ed106b7cfb87e4e9

  • C:\Users\Admin\AppData\Local\Temp\gbp.ini

    Filesize

    104B

    MD5

    86bb2dbeaef655893262f3c041f6afe2

    SHA1

    1b26ff1241c1353bd506c18bd0c11878076ba65d

    SHA256

    4a57643d2c59d1235bc0926f845583f39345839e3e9428ad619eb4b6baf96ad2

    SHA512

    58294cfaa5882a4c5625c03fe6f9e4882912b31f7169241f95626745d66c0a746083a9044365943d66ae7a420113d28c0ddd642c4ed697c683deb63796a13d31

  • C:\Users\Admin\AppData\Local\Temp\golfinfo.ini

    Filesize

    480B

    MD5

    e16a88ee710e40f4fe0480c9d9c354ac

    SHA1

    15b3205e268f18df29841e7ecfedb76845384206

    SHA256

    8dddede96354a48551735d8d06a100f2987a0c96cbc7fbac0d7af60c15124acb

    SHA512

    7be5d48839a32848cf6b04f42c78b2efafa96bb29e3f0752284d97d0b90d2f733615e07421b6f8a764c03b04388facaacde42c871614ff4bab47c6f10fdb3a6b

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

    Filesize

    628KB

    MD5

    e79aff0de0f753e4761a83cd99f6f649

    SHA1

    1ae6517046e0af8836643517026e81bd36914d5c

    SHA256

    5086f3230a2fc802c142ab0e5df0a8f6455de33d6500499f8e33f4374e1f7ad4

    SHA512

    3ba86c4b70f84ce06a3227e490859ce1b9bf14768cb872fa914ea72332fc310a9ebc996f37a13e2bc6695a56ff98d2b799a6a4b046b0f6b20fd111c284433c52

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

    Filesize

    628KB

    MD5

    e79aff0de0f753e4761a83cd99f6f649

    SHA1

    1ae6517046e0af8836643517026e81bd36914d5c

    SHA256

    5086f3230a2fc802c142ab0e5df0a8f6455de33d6500499f8e33f4374e1f7ad4

    SHA512

    3ba86c4b70f84ce06a3227e490859ce1b9bf14768cb872fa914ea72332fc310a9ebc996f37a13e2bc6695a56ff98d2b799a6a4b046b0f6b20fd111c284433c52

  • C:\Users\Admin\AppData\Local\Temp\~DFA78.tmp

    Filesize

    629KB

    MD5

    c8d07a0a6d8f25d8f6fe0357ebc48a5d

    SHA1

    f9f08c8b68c7531a24e4da41fe808cf28bf25a95

    SHA256

    f71fb305ac46114638d3bd258d5eac5a62c52431d1c254ef9c663de072cdad2d

    SHA512

    35f14186f7052fb00fae06e692018e88f13ee87366a62b2a7b1d64dee0ac1260ea1fdf320c51bc8cfa67a46616e5a2694c8ecec1df86786a9aa36f90e2087b09

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

    Filesize

    398KB

    MD5

    3fef2b5ca00a9ec586c8d4b27ec78bee

    SHA1

    91921750994853905835e5b980fa531a56cbaa3d

    SHA256

    73e13da3d8e654cadfaa9978ab96e03168e23047efca318082fb969263d242a6

    SHA512

    28afca027a5882a0246b8c6afebbc9e63bb2811677247a2841de291d707cac18692f5cfad6af1d4b527c26520fcfc2f409ff91b36bf6ccf0ed106b7cfb87e4e9

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

    Filesize

    628KB

    MD5

    e79aff0de0f753e4761a83cd99f6f649

    SHA1

    1ae6517046e0af8836643517026e81bd36914d5c

    SHA256

    5086f3230a2fc802c142ab0e5df0a8f6455de33d6500499f8e33f4374e1f7ad4

    SHA512

    3ba86c4b70f84ce06a3227e490859ce1b9bf14768cb872fa914ea72332fc310a9ebc996f37a13e2bc6695a56ff98d2b799a6a4b046b0f6b20fd111c284433c52

  • \Users\Admin\AppData\Local\Temp\~DFA78.tmp

    Filesize

    629KB

    MD5

    c8d07a0a6d8f25d8f6fe0357ebc48a5d

    SHA1

    f9f08c8b68c7531a24e4da41fe808cf28bf25a95

    SHA256

    f71fb305ac46114638d3bd258d5eac5a62c52431d1c254ef9c663de072cdad2d

    SHA512

    35f14186f7052fb00fae06e692018e88f13ee87366a62b2a7b1d64dee0ac1260ea1fdf320c51bc8cfa67a46616e5a2694c8ecec1df86786a9aa36f90e2087b09

  • memory/828-68-0x0000000000000000-mapping.dmp

  • memory/904-78-0x0000000000400000-0x000000000053E000-memory.dmp

    Filesize

    1.2MB

  • memory/904-75-0x0000000000000000-mapping.dmp

  • memory/1608-61-0x0000000001E40000-0x0000000001F1E000-memory.dmp

    Filesize

    888KB

  • memory/1608-54-0x0000000075A91000-0x0000000075A93000-memory.dmp

    Filesize

    8KB

  • memory/1608-69-0x0000000000400000-0x00000000004DE000-memory.dmp

    Filesize

    888KB

  • memory/1608-55-0x0000000000400000-0x00000000004DE000-memory.dmp

    Filesize

    888KB

  • memory/1956-73-0x0000000000400000-0x00000000004DE000-memory.dmp

    Filesize

    888KB

  • memory/1956-65-0x0000000000000000-mapping.dmp

  • memory/1956-77-0x0000000003630000-0x000000000376E000-memory.dmp

    Filesize

    1.2MB

  • memory/1956-70-0x0000000000400000-0x00000000004DE000-memory.dmp

    Filesize

    888KB

  • memory/1964-62-0x0000000000400000-0x00000000004DE000-memory.dmp

    Filesize

    888KB

  • memory/1964-57-0x0000000000000000-mapping.dmp

  • memory/1964-71-0x0000000000400000-0x00000000004DE000-memory.dmp

    Filesize

    888KB