Analysis

  • max time kernel
    152s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-04-2023 14:41

General

  • Target

    file.exe

  • Size

    755KB

  • MD5

    0af3484ed04ac95e8a84d3b06c4180c0

  • SHA1

    15943666568f09c0751b027a42413851df2c6932

  • SHA256

    5655e7d53829fc5c81a4def81d2876aaeaec9ecc40eecc7966e51abba9c38e70

  • SHA512

    c4da82bacbeb4f1aa85421d99d0de53c847e720dbd686a55eec97a641464ee19411bb8e9c0959666d3ac80b3503d1dad65de5e08c91e18c620a9cecfb4bc7c05

  • SSDEEP

    12288:VQi3oc6m6UR0Itlp1hf39Wkv8xwJld8kO:VQi4zHITpdUMkkO

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\is-SMCPJ.tmp\file.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-SMCPJ.tmp\file.tmp" /SL5="$F0040,506127,422400,C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2364
      • C:\Users\Admin\AppData\Local\Temp\is-AEUD6.tmp\mA3iz.exe
        "C:\Users\Admin\AppData\Local\Temp\is-AEUD6.tmp\mA3iz.exe" /S /UID=flabs2
        3⤵
        • Drops file in Drivers directory
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Program Files directory
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2984
        • C:\Users\Admin\AppData\Local\Temp\64-65905-617-f9a80-de279e187db47\SHishasinuty.exe
          "C:\Users\Admin\AppData\Local\Temp\64-65905-617-f9a80-de279e187db47\SHishasinuty.exe"
          4⤵
          • Executes dropped EXE
          PID:1312

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\64-65905-617-f9a80-de279e187db47\SHishasinuty.exe

    Filesize

    499KB

    MD5

    f32b8def722876287f9424f3f3c41d2e

    SHA1

    1f4d70acbafd6ca395baea692300dc26bbc6319a

    SHA256

    2ccb90a9fa5b043283533a40fe2e91c7618c5957625ce4328da1746b7bb6a434

    SHA512

    f9a821ffab281411fe2b2f8b34842ceb0d5400d699162c6e8fe69af6a5044d5328b18d91f07636b8c6d7e0e8eda181778d0dd1fb86837e26563140ef332d49e3

  • C:\Users\Admin\AppData\Local\Temp\64-65905-617-f9a80-de279e187db47\SHishasinuty.exe

    Filesize

    499KB

    MD5

    f32b8def722876287f9424f3f3c41d2e

    SHA1

    1f4d70acbafd6ca395baea692300dc26bbc6319a

    SHA256

    2ccb90a9fa5b043283533a40fe2e91c7618c5957625ce4328da1746b7bb6a434

    SHA512

    f9a821ffab281411fe2b2f8b34842ceb0d5400d699162c6e8fe69af6a5044d5328b18d91f07636b8c6d7e0e8eda181778d0dd1fb86837e26563140ef332d49e3

  • C:\Users\Admin\AppData\Local\Temp\64-65905-617-f9a80-de279e187db47\SHishasinuty.exe

    Filesize

    499KB

    MD5

    f32b8def722876287f9424f3f3c41d2e

    SHA1

    1f4d70acbafd6ca395baea692300dc26bbc6319a

    SHA256

    2ccb90a9fa5b043283533a40fe2e91c7618c5957625ce4328da1746b7bb6a434

    SHA512

    f9a821ffab281411fe2b2f8b34842ceb0d5400d699162c6e8fe69af6a5044d5328b18d91f07636b8c6d7e0e8eda181778d0dd1fb86837e26563140ef332d49e3

  • C:\Users\Admin\AppData\Local\Temp\64-65905-617-f9a80-de279e187db47\SHishasinuty.exe.config

    Filesize

    1KB

    MD5

    98d2687aec923f98c37f7cda8de0eb19

    SHA1

    f6dcfcdcfe570340ecdbbd9e2a61f3cb4f281ba7

    SHA256

    8a94163256a722ef8cc140bcd115a5b8f8725c04fe158b129d47be81cb693465

    SHA512

    95c7290d59749df8df495e04789c1793265e0f34e0d091df5c0d4aefe1af4c8ac1f5460f1f198fc28c4c8c900827b8f22e2851957bbaea5914ea962b3a1d0590

  • C:\Users\Admin\AppData\Local\Temp\f9-242bc-70a-ea6a5-ab2e47a7bfb4d\SHishasinuty.exe

    Filesize

    51KB

    MD5

    706e2a45851cf828fb00a0728a19b6ad

    SHA1

    257a3528ada521c54d710866108a7b28ee057d82

    SHA256

    e23ae43e76b7ecea87e612436d5880d901e28dd223290563f2db21b2f615f60d

    SHA512

    63520654c79dcb239a2d82a1930d23ba3319ac681851c355079c4fbb0ca381900b25ac2a615d577e39b866cb506fe032c56994a5d94f5f98097b96804da109f3

  • C:\Users\Admin\AppData\Local\Temp\is-AEUD6.tmp\idp.dll

    Filesize

    216KB

    MD5

    8f995688085bced38ba7795f60a5e1d3

    SHA1

    5b1ad67a149c05c50d6e388527af5c8a0af4343a

    SHA256

    203d7b61eac96de865ab3b586160e72c78d93ab5532b13d50ef27174126fd006

    SHA512

    043d41947ab69fc9297dcb5ad238acc2c35250d1172869945ed1a56894c10f93855f0210cbca41ceee9efb55fd56a35a4ec03c77e252409edc64bfb5fb821c35

  • C:\Users\Admin\AppData\Local\Temp\is-AEUD6.tmp\mA3iz.exe

    Filesize

    573KB

    MD5

    4de7538747bf36f826099aceed872175

    SHA1

    a5bc0deeff3e816b896c06961fa03c646122a11f

    SHA256

    803b4fc6bc93a0bb84716cdf5ef8649f7ec9da9821d60bb093a08609d480943d

    SHA512

    0cf8fc887a65dc620fd3fc4acf0bdfaf3aa8fb1f710c8898620437880128490f98633824d174383876e4f83a4f42be1a581c62d7ca25d63db30c9a00650cca5c

  • C:\Users\Admin\AppData\Local\Temp\is-AEUD6.tmp\mA3iz.exe

    Filesize

    573KB

    MD5

    4de7538747bf36f826099aceed872175

    SHA1

    a5bc0deeff3e816b896c06961fa03c646122a11f

    SHA256

    803b4fc6bc93a0bb84716cdf5ef8649f7ec9da9821d60bb093a08609d480943d

    SHA512

    0cf8fc887a65dc620fd3fc4acf0bdfaf3aa8fb1f710c8898620437880128490f98633824d174383876e4f83a4f42be1a581c62d7ca25d63db30c9a00650cca5c

  • C:\Users\Admin\AppData\Local\Temp\is-SMCPJ.tmp\file.tmp

    Filesize

    1.0MB

    MD5

    6e8d8cabf1efb3f98adba1eed48e5a1e

    SHA1

    6ca75501f3eb4753afe1810ba761588021bd68c9

    SHA256

    8db82765fa0993c181346d9182d013271b7326e4c8415ce1e97bf606cd6474f6

    SHA512

    e3bb3029a9b50cfa18dc616aa2e04b7d0537efdedeb83ee40e976f5089e3e76b844c1e7e85d867f6c925ef8d8ed79de60a4ea7de5ee6127a52c6f7bbfcb7690f

  • memory/1312-218-0x000000001BBD0000-0x000000001BC6C000-memory.dmp

    Filesize

    624KB

  • memory/1312-217-0x000000001CC30000-0x000000001D0FE000-memory.dmp

    Filesize

    4.8MB

  • memory/1312-216-0x0000000001700000-0x0000000001710000-memory.dmp

    Filesize

    64KB

  • memory/1312-215-0x0000000000BA0000-0x0000000000C24000-memory.dmp

    Filesize

    528KB

  • memory/1312-219-0x00000000012B0000-0x00000000012B8000-memory.dmp

    Filesize

    32KB

  • memory/2364-175-0x0000000000400000-0x0000000000516000-memory.dmp

    Filesize

    1.1MB

  • memory/2364-148-0x0000000000400000-0x0000000000516000-memory.dmp

    Filesize

    1.1MB

  • memory/2364-138-0x00000000007F0000-0x00000000007F1000-memory.dmp

    Filesize

    4KB

  • memory/2364-212-0x0000000000400000-0x0000000000516000-memory.dmp

    Filesize

    1.1MB

  • memory/2380-214-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB

  • memory/2380-133-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB

  • memory/2380-147-0x0000000000400000-0x000000000046D000-memory.dmp

    Filesize

    436KB

  • memory/2984-176-0x000000001C4C0000-0x000000001C4D0000-memory.dmp

    Filesize

    64KB

  • memory/2984-160-0x000000001C4C0000-0x000000001C4D0000-memory.dmp

    Filesize

    64KB

  • memory/2984-159-0x0000000000220000-0x00000000002B4000-memory.dmp

    Filesize

    592KB