Analysis

  • max time kernel
    29s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-06-2024 01:20

General

  • Target

    584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe

  • Size

    7KB

  • MD5

    e0354350b177887076f4c89567e0af8d

  • SHA1

    999fc3514c83f5b3bfaf899b656a194f7f60ed05

  • SHA256

    584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032

  • SHA512

    5972d529569ad3aecd8a02de1b2150a3901e2fe09aa5223956d4fd9f77ec9acd308d938c5748b8e38b6090484d0ec6f288f2295f67a6fcc12b0dc770620600fd

  • SSDEEP

    96:nGJKj1y2oPbML8RcyuHazDvDId4IBmc+TMsa+aIVzNt:G4jU2o48RVHA4U0Zv

Malware Config

Extracted

Family

purecrypter

C2

https://www1.militarydefensenow.com/Stay/Vdopcuygit.vdf

Signatures

  • PureCrypter

    PureCrypter is a .NET malware loader first seen in early 2021.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe
    "C:\Users\Admin\AppData\Local\Temp\584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4856
    • C:\Users\Admin\AppData\Local\Temp\584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe
      "C:\Users\Admin\AppData\Local\Temp\584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe"
      2⤵
        PID:2488

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\584c91693287a0d6c66f27a8c0f1841aad3368bc48b9d36b1088548f9f370032.exe.log

      Filesize

      1KB

      MD5

      f3eb81974dc5933681e933f07209ff5f

      SHA1

      7af8cae0f1d03e82daaf784df9886705685baac7

      SHA256

      e82069884dd428bd6a1c67fe00c5fa56f9c4d62b538b694694a699588f1f4ab2

      SHA512

      d9aa3871dffb76c8a73a7940fa03bbc9b65cf575cbd07f7c1fbf490cb0f3d670415eaef0bf79e34689f61ab3cdfbb104efdef004becc12e54b501f02f948aaff

    • C:\Users\Admin\AppData\Local\Temp\Caqgqkcv.tmpdb

      Filesize

      124KB

      MD5

      9618e15b04a4ddb39ed6c496575f6f95

      SHA1

      1c28f8750e5555776b3c80b187c5d15a443a7412

      SHA256

      a4cd72e529e60b5f74c50e4e5b159efaf80625f23534dd15a28203760b8b28ab

      SHA512

      f802582aa7510f6b950e3343b0560ffa9037c6d22373a6a33513637ab0f8e60ed23294a13ad8890935b02c64830b5232ba9f60d0c0fe90df02b5da30ecd7fa26

    • C:\Users\Admin\AppData\Local\Temp\Knpqbm.tmpdb

      Filesize

      152KB

      MD5

      73bd1e15afb04648c24593e8ba13e983

      SHA1

      4dd85ca46fcdf9d93f6b324f8bb0b5bb512a1b91

      SHA256

      aab0b201f392fef9fdff09e56a9d0ac33d0f68be95da270e6dab89bb1f971d8b

      SHA512

      6eb58fb41691894045569085bd64a83acd62277575ab002cf73d729bda4b6d43c36643a5fa336342e87a493326337ed43b8e5eaeae32f53210714699cb8dfac7

    • memory/2488-4906-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/2488-4907-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/2488-4905-0x00000000050F0000-0x0000000005206000-memory.dmp

      Filesize

      1.1MB

    • memory/2488-4903-0x0000000000400000-0x00000000004D8000-memory.dmp

      Filesize

      864KB

    • memory/2488-7264-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/2488-7211-0x0000000006270000-0x00000000062EA000-memory.dmp

      Filesize

      488KB

    • memory/2488-7210-0x0000000005B80000-0x0000000005BE6000-memory.dmp

      Filesize

      408KB

    • memory/2488-7209-0x0000000005AC0000-0x0000000005AEC000-memory.dmp

      Filesize

      176KB

    • memory/2488-7208-0x00000000053F0000-0x000000000548E000-memory.dmp

      Filesize

      632KB

    • memory/4856-41-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-63-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-37-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-35-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-34-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-29-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-27-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-31-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-23-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-21-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-15-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-14-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-19-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-7-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-6-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-9-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-17-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-44-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-51-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-55-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-69-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-67-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-65-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-25-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-62-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-59-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-57-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-53-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-50-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-47-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-45-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-39-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-4894-0x0000000005C20000-0x0000000005C6C000-memory.dmp

      Filesize

      304KB

    • memory/4856-4893-0x0000000006790000-0x00000000068B8000-memory.dmp

      Filesize

      1.2MB

    • memory/4856-4892-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/4856-11-0x0000000007B60000-0x0000000007E46000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-5-0x0000000007F50000-0x0000000007FE2000-memory.dmp

      Filesize

      584KB

    • memory/4856-4-0x0000000008400000-0x00000000089A4000-memory.dmp

      Filesize

      5.6MB

    • memory/4856-3-0x0000000007B60000-0x0000000007E4C000-memory.dmp

      Filesize

      2.9MB

    • memory/4856-2-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/4856-1-0x0000000000CA0000-0x0000000000CA8000-memory.dmp

      Filesize

      32KB

    • memory/4856-0-0x00000000747AE000-0x00000000747AF000-memory.dmp

      Filesize

      4KB

    • memory/4856-4895-0x00000000747AE000-0x00000000747AF000-memory.dmp

      Filesize

      4KB

    • memory/4856-4896-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/4856-4897-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB

    • memory/4856-4898-0x0000000000DA0000-0x0000000000DF4000-memory.dmp

      Filesize

      336KB

    • memory/4856-4904-0x00000000747A0000-0x0000000074F50000-memory.dmp

      Filesize

      7.7MB