Analysis

  • max time kernel
    70s
  • max time network
    43s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    05-02-2023 13:27

General

  • Target

    5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe

  • Size

    3.6MB

  • MD5

    36fd273ea7607d3a203f257f4e2649ed

  • SHA1

    5e243f79ecb539d0d1f75fce7ddfedeccee70a48

  • SHA256

    471d501162e2a5cb6aab3f4f5362ff843d05ef9f20d9fd7ea29733d3a9875747

  • SHA512

    cf81163bc6d1f1141130fbe70944387b97d322afe837ad21a88a0be8f9fd87615bd7022cc572b1783871cc99f224258bae75855e805c733793b723ba0483597d

  • SSDEEP

    98304:VQF9SqUKUehGS26Ish7MUTjA+1VFnqWXvqaY4:VSSzMGS26x1MUTM+/Fh

Malware Config

Signatures

  • Detect PureCrypter injector 1 IoCs
  • PureCrypter

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

  • Executes dropped EXE 12 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 2 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 3 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe
    "C:\Users\Admin\AppData\Local\Temp\5e243f79ecb539d0d1f75fce7ddfedeccee70a48.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1476
      • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
        "C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1112
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMwA1AA==
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1568
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1672
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            powershell -ENC cwBlAHQALQBtAHAAcAByAGUAZgBlAHIAZQBuAGMAZQAgAC0AZQB4AGMAbAB1AHMAaQBvAG4AcABhAHQAaAAgAEMAOgBcAA==
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1180
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1800
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1972
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:960
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:900
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1008
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1092
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1580
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1320
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:856
        • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe
          4⤵
          • Executes dropped EXE
          PID:1960

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe

    Filesize

    184.6MB

    MD5

    6d8d6ed4679f013a0ba4fbcf5969e267

    SHA1

    2643025c6a16a192d2eb9eda3a1c48e6155547b9

    SHA256

    eab9e1af4e0cdbd04e2ea8fa57c645f3749c28a789e18397f8b7fe7b16eec87d

    SHA512

    5598d3a493116ed656e24da04cde279206fa2b7f7e35942c1153e277ee14f2f790a5b46f96921c5a5a74f1b9f07fdf059994accc7a3f9503bed92216a5e12946

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\voiceadequovl.exe

    Filesize

    179.4MB

    MD5

    d97e2b0a5b0079b8aa93b7720c3a022f

    SHA1

    0fc819bb6e731f77c858f9d03b65996a6f7f15b1

    SHA256

    87eb773eb2bc70190e09ce54eb13cc1dec70f1c038676bb692a3e3925b6702e0

    SHA512

    e2d9cad1740ecc20c355f89b163a3614a372b3ece74670ae7809109ee7165746f5a459cd90da3445c4c095c42e9b334985d625faff23ef18243cbbca7d789b0e

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    34ae84a231c19118da25271b4f47f2d2

    SHA1

    e34711c76e527e8a1ec76335e95103ae450b9039

    SHA256

    095a807a73cc229cc9f94c320482b3d37a7054446187f9ee07750e5e9de45eaf

    SHA512

    f6b32a7fffb2fcfa5c480db7128a69648003d2d91e8fde6cd5afe3780cb0f02931e65f8fbfd3837af04cfb57daad91bddcb4cb23a8da4b76d70f85fa9fa219a3

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    153.6MB

    MD5

    bf57171b625fbbda4fea7792baebc5a8

    SHA1

    03464f884be949f2e12c89af1003c298859085fd

    SHA256

    3e5756120ca0610fef8636506fadaa18c7b5a3b5ac8a14f6c6e78350b5bef956

    SHA512

    3b87e030a697ab3acd826e341468aa0d0a5942bb046aac7213b97a0f6472dfa4675cd679267a3aa1bced530e92729ec955fa8cb0ee4299c7908ae0fd5ea34217

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    152.7MB

    MD5

    b071ecfd09064d426497c0c01fd9ba47

    SHA1

    527f6f38782992a605a33b2a383051149b257bb2

    SHA256

    9c541f811c24729af861e312728db408c69e520b4828753fad736f985f57e5f0

    SHA512

    27bfb0c96d17fa90025e4b1bc9a5d300ed8e0d7a02711cf6f1d47fdb01e598db54259cb85f3446cc37a58b6f1aef39145446987b9800d8ad9eb7a34b567a4ad2

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    82.1MB

    MD5

    767d80a9c47fd7694080dce75299266b

    SHA1

    8f4c4703cbfd7a0e6074c9c172ab81f6439abe36

    SHA256

    0a294cac2671d471316daeab55f4f4b399df8fd112534265c1bf00993ef6f3db

    SHA512

    f40a0f6ded0990ab54d588dd0890f7b5db30e8a81e57e1ae2eae5adfa8acf36709847ffa37c31a6ea74eb9a03d66a2a66bfc8738acf3d4d1a02ca40f0f7ed1dc

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    83.7MB

    MD5

    f9437b7314bc7720d8b88eac4ed71e8e

    SHA1

    6b2ada53fbba0d3e73e65ed719f97bc04cbcdb95

    SHA256

    6fc8683014d8622f87f4161f087dd62af00d70fa99055bfa6d7106ab7402ddaa

    SHA512

    036ec54a52eebaf1b570b1d6b482ebc344ec567ff10cb20c8b4328bf86044d0ea116e28176bfbb8f3c04acc8e71fae81b2cc866ffb2ec687004d41db1ccd9980

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    82.7MB

    MD5

    c3fff8d15591705d72431c1c0dec9caf

    SHA1

    dd803b92c2b8eb987e8a1044fe392ebf057df7aa

    SHA256

    f5f221e08b124006529bf7172c13da5ae1e216db63c6795b5aba739ea3f75599

    SHA512

    91795c51d3d64cc69c7e7b959bbd599cc9d44249f902442938729df9d6caba275db893508ae501204d9abc6cae7b59c050bc89fc769c3ad596c6a8a82c2e1c9a

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    82.4MB

    MD5

    de634bb7c1e9c90be19cbb7245611f5a

    SHA1

    539bf38b8f8fdcb24c1bcf852aec92c56c1d0289

    SHA256

    2ec2dd55c331b9eec884b2c6dfcbe238aab1143a23cd90e3606de1441a2b6633

    SHA512

    4ca1ec79cc9ced2c7e06488d00d23b6224c268ba7f26d969adb7e0aab21c3574d37fce8efb3eb613e350d0ded7afbf211d755d67b4c43fdab7d64448ec3e6a3d

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    80.7MB

    MD5

    6119e7a33073ccee78e6229df326f950

    SHA1

    51f1153ffa4a7ce2991c95900e22a3e8a16729ae

    SHA256

    0766ac59ba2a23b3541d1c2793efec7256583e727c0e1bc9b0cc241191552998

    SHA512

    cc700c7b9f4628eb1d446c329df7c50131364513f5882554bc0fcaa922c2469438e3cd5b31b02c07268c5d233df8456d532888f8b488581fa55573512436a4e9

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    80.1MB

    MD5

    33a042299e353143b80443d4c56a0b52

    SHA1

    69352dce7c329c1ae7cb19296d9135ee88334ed6

    SHA256

    5ee15a2d3a43e639508a59d78f36bc35693611bd3c2f718b0b4a329a82424979

    SHA512

    67f6e093289a68c839cb42d7ffa858d89b2bf33c4eb4378d8f51d2d1fc7c722d2c10d85f323fcdb872f18c1e58af8a6793a0b3f59fbcaf48c1c6d7ca28ba9294

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    82.4MB

    MD5

    24c512ccadf7a49e7cc2e0453ef433d4

    SHA1

    f4f6401c33e4d5381739a79b14db9a2d6401c65e

    SHA256

    efdf573e885199a8ea1a2d2cefc2f37963149d8725bdbcb16443b03b5950fee4

    SHA512

    8c41eb81f86b8fcd92631896e1a3f9264e127f3813129c73a76607e9b4523fd1dc8ab86768fe0e633813039c6bf1fbcaab8592090f815754d97e60f5e242a28f

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    82.4MB

    MD5

    de634bb7c1e9c90be19cbb7245611f5a

    SHA1

    539bf38b8f8fdcb24c1bcf852aec92c56c1d0289

    SHA256

    2ec2dd55c331b9eec884b2c6dfcbe238aab1143a23cd90e3606de1441a2b6633

    SHA512

    4ca1ec79cc9ced2c7e06488d00d23b6224c268ba7f26d969adb7e0aab21c3574d37fce8efb3eb613e350d0ded7afbf211d755d67b4c43fdab7d64448ec3e6a3d

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    81.7MB

    MD5

    5b590eedf9620f62bd9ae8b749cbd4d7

    SHA1

    1a007323cf2b2fb67ba7e11a60bb367bc3401b5b

    SHA256

    1382784ca9842c9ec9eaf9691dde6b231496ef42e28bbae8f9a21dbde5047490

    SHA512

    a390e4e3749bfedf03c3aca9d5224335bb176a587fa330d496e34056618ce959a81dbb0bf936ce472a4aaf5e3cdf7b2164e07bb499714eb8b9de19a6c585f33e

  • C:\Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    80.5MB

    MD5

    54e6dc2d0a217448033af32a7b72c89f

    SHA1

    fa3db5fb2608e56c3963fb8d546ab964df439581

    SHA256

    2077e5d243a5b4c9f304e50d5358a55f3403961dc294f1ad07fa60306da7f39b

    SHA512

    e717dce66b25419e57f6cfb0919656940ba1f83a75dcfdc206659af68240a761a96246d140dbe4c1e3e6a50f8089a9e25c21276117692378d3e9a81c37965a90

  • \Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    155.3MB

    MD5

    e741452ba85aa3d6ba8163cdc8923a82

    SHA1

    a29856502b981574217185bb8d659bab620c5ec7

    SHA256

    19630d8dd57f25ed7acf2a7262a9a00409d9447474bebd203bb097ad1f7fa8e7

    SHA512

    7674156a2268029dd10580a1ef534bb7f9baf48065facd854525975be3e809c8e3e16851510d373ec35b2753819579eda2d6762b653c203625ba95cf6056a5cf

  • \Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    156.1MB

    MD5

    bae958ae668a47d9b7910caf136a8f17

    SHA1

    4d440457204227ccf31dc10731cc38881bcb3808

    SHA256

    1dc97c1ca2291dfa654b8792c72490a275a5c8d6568a890e47737a7afda57bb1

    SHA512

    a1f3943d691724615fc75031756137bef1ead9eec81bf0e04097dcfecef46cc8a779f8e9ad7159b8a21367973f0bac485c34e1718d33c8476bfa74de7971e0d2

  • \Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    153.1MB

    MD5

    c1f6454f7bff3d79e58b25794b86e7e1

    SHA1

    edaaf2b40031aad38e2bf2223453b267e7c12089

    SHA256

    0ec4bbc8fb74108431eed5ed7fd706530afb1086e77b99b2ac5003e70668ea89

    SHA512

    014c0e1c1ed062f6616ca14830eb35c3c49ff59a447c023e84b8e4d35351a22f9fadf22928384001fe15824c6a75c02b6ac11446bd5f255d6527a6a2678dc514

  • \Users\Admin\AppData\Roaming\Voice\voiceadequovl.exe

    Filesize

    155.1MB

    MD5

    0ce305a0a2c63da48baa85aebb15231f

    SHA1

    b5b25f78f5cbca3a952c445961a2c59032f50c15

    SHA256

    584550cf9418ce3188039348847c05d2c68a43652086be788aeffde33394746c

    SHA512

    998673367cac6bc0a501c010a641ef440f3cf82acbbe1706fec59d321a7ca8aef2ba8e810b132cece507c1e71b25ac7ee04ca0db6159f38d9d1b1aed754537a8

  • memory/1112-66-0x0000000006430000-0x00000000067D0000-memory.dmp

    Filesize

    3.6MB

  • memory/1112-62-0x0000000000000000-mapping.dmp

  • memory/1112-73-0x0000000005400000-0x0000000005572000-memory.dmp

    Filesize

    1.4MB

  • memory/1112-65-0x0000000000280000-0x00000000009F4000-memory.dmp

    Filesize

    7.5MB

  • memory/1180-74-0x0000000000000000-mapping.dmp

  • memory/1180-88-0x000000006FCC0000-0x000000007026B000-memory.dmp

    Filesize

    5.7MB

  • memory/1180-87-0x000000006FCC0000-0x000000007026B000-memory.dmp

    Filesize

    5.7MB

  • memory/1476-54-0x0000000000000000-mapping.dmp

  • memory/1476-56-0x00000000768A1000-0x00000000768A3000-memory.dmp

    Filesize

    8KB

  • memory/1568-70-0x000000006FD00000-0x00000000702AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1568-67-0x0000000000000000-mapping.dmp

  • memory/1568-69-0x000000006FD00000-0x00000000702AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1568-71-0x000000006FD00000-0x00000000702AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1672-72-0x0000000000000000-mapping.dmp