Resubmissions

07/02/2024, 11:25

240207-nje4sagaf610

07/02/2024, 07:32

240207-jcy6vsfgar10

Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/02/2024, 07:32

General

  • Target
    1a917a85dcbb1d3df5f4dd02e3a62873.exe
  • Size 2.1MB
  • Sample240207-jcy6vsfgar
  • SHA256 217fbf967c95d1359314fcd53ae8d04489eb3c7bdc1f22110d5a8a476d1fc92e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Detect ZGRat V1 36 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 5 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a917a85dcbb1d3df5f4dd02e3a62873.exe
    "C:\Users\Admin\AppData\Local\Temp\1a917a85dcbb1d3df5f4dd02e3a62873.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3980
    • C:\Users\Admin\AppData\Local\Temp\BBLb.exe
      "C:\Users\Admin\AppData\Local\Temp\BBLb.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2004
      • C:\Users\Admin\AppData\Local\Temp\BBLb.exe
        C:\Users\Admin\AppData\Local\Temp\BBLb.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:744
    • C:\Users\Admin\AppData\Local\Temp\1a917a85dcbb1d3df5f4dd02e3a62873.exe
      C:\Users\Admin\AppData\Local\Temp\1a917a85dcbb1d3df5f4dd02e3a62873.exe
      2⤵
        PID:3872
      • C:\Users\Admin\AppData\Local\Temp\1a917a85dcbb1d3df5f4dd02e3a62873.exe
        C:\Users\Admin\AppData\Local\Temp\1a917a85dcbb1d3df5f4dd02e3a62873.exe
        2⤵
          PID:2020
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAOwAgAEEAZABkAC0ATQBwAFAAcgBlAGYAZQByAGUAbgBjAGUAIAAtAEUAeABjAGwAdQBzAGkAbwBuAFAAcgBvAGMAZQBzAHMAIABBAHQAdAByAGkAYgB1AHQAZQBTAHQAcgBpAG4AZwAuAGUAeABlADsA
        1⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3296
      • C:\Users\Admin\AppData\Local\TypeId\occhnac\AttributeString.exe
        C:\Users\Admin\AppData\Local\TypeId\occhnac\AttributeString.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:972
        • C:\Users\Admin\AppData\Local\TypeId\occhnac\AttributeString.exe
          C:\Users\Admin\AppData\Local\TypeId\occhnac\AttributeString.exe
          2⤵
          • Executes dropped EXE
          PID:4828
        • C:\Users\Admin\AppData\Local\TypeId\occhnac\AttributeString.exe
          C:\Users\Admin\AppData\Local\TypeId\occhnac\AttributeString.exe
          2⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4292
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            3⤵
              PID:1944
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
              C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
              3⤵
                PID:4520
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                3⤵
                  PID:4812
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                  3⤵
                  • Suspicious use of SetThreadContext
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:4612
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                    C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                    4⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:2020
            • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
              powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwAOwAgAEEAZABkAC0ATQBwAFAAcgBlAGYAZQByAGUAbgBjAGUAIAAtAEUAeABjAGwAdQBzAGkAbwBuAFAAcgBvAGMAZQBzAHMAIABBAHQAdAByAGkAYgB1AHQAZQBTAHQAcgBpAG4AZwAuAGUAeABlADsA
              1⤵
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:4316

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  powershell.exe.log

                  • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                  • Size 2KB
                  • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
                  • MD5 SHA1 SHA512

                  BBLb.exe.log

                  • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\BBLb.exe.log
                  • Size 927B
                  • SHA256 264098e15b5b33d425f3b76e45b7976b58f917048125041135f7e60d8151108c
                  • MD5 SHA1 SHA512

                  StartupProfileData-NonInteractive

                  • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                  • Size 944B
                  • SHA256 2360634e63e8f0b5748e2c56ebb8f4aa78e71008ea7b5c9ca1c49be03b49557d
                  • MD5 SHA1 SHA512

                  BBLb.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\BBLb.exe
                  • Size 67KB
                  • SHA256 d0a13a44867d52f1b0cacaa3ecaa03f2de42b91077099a0d407d09d72c677021
                  • MD5 SHA1 SHA512 SSDEEP

                  BBLb.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\BBLb.exe
                  • Size 9KB
                  • SHA256 2260adc33a249b5cbca38a54f1a3595f5b3354bc06eb4f76401d0942d9e1c78b
                  • MD5 SHA1 SHA512 SSDEEP

                  BBLb.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\BBLb.exe
                  • Size 164KB
                  • SHA256 736b3cad4bb789f5a57aabb9a2697ad65a76998f2fc86299c245401636a8cff7
                  • MD5 SHA1 SHA512 SSDEEP

                  BBLb.exe

                  • Path C:\Users\Admin\AppData\Local\Temp\BBLb.exe
                  • Size 120KB
                  • SHA256 2fd6a829082a0d1c49bbd48114c7059567fc37c9d2362274509821ab911604f3
                  • MD5 SHA1 SHA512 SSDEEP

                  __PSScriptPolicyTest_ztpisbii.ufb.ps1

                  • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ztpisbii.ufb.ps1
                  • Size 60B
                  • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                  • MD5 SHA1 SHA512

                  AttributeString.exe

                  • Path C:\Users\Admin\AppData\Local\TypeId\occhnac\AttributeString.exe
                  • Size 960KB
                  • SHA256 d48db5906b8ecebd49e5ce98c5bf5343932667dfc9f283a6baae721d753a75b9
                  • MD5 SHA1 SHA512 SSDEEP

                  AttributeString.exe

                  • Path C:\Users\Admin\AppData\Local\TypeId\occhnac\AttributeString.exe
                  • Size 595KB
                  • SHA256 a833a01f2e550bc57d3ced581474152f69431910a33981dd0e5414e51d21aec2
                  • MD5 SHA1 SHA512 SSDEEP

                  AttributeString.exe

                  • Path C:\Users\Admin\AppData\Local\TypeId\occhnac\AttributeString.exe
                  • Size 1.2MB
                  • SHA256 cefa92ee6cc2fad86c49dd37d57ff8afcb9b9abef0a110689e6d771394256bd6
                  • MD5 SHA1 SHA512 SSDEEP

                  AttributeString.exe

                  • Path C:\Users\Admin\AppData\Local\TypeId\occhnac\AttributeString.exe
                  • Size 1.1MB
                  • SHA256 8d7d68b834e3fea0af19e0c74dc1c8ee7dd8496f62c8bac1833a1d32fca57038
                  • MD5 SHA1 SHA512 SSDEEP

                  memory/744-1903-0x0000000003490000-0x00000000034A0000-memory.dmp

                  memory/744-4107-0x00000000060F0000-0x0000000006144000-memory.dmp

                  memory/744-4106-0x0000000005CD0000-0x0000000005D36000-memory.dmp

                  memory/744-4105-0x0000000005AA0000-0x0000000005AF6000-memory.dmp

                  memory/744-4109-0x0000000075280000-0x0000000075A30000-memory.dmp

                  memory/744-1900-0x0000000000400000-0x000000000049C000-memory.dmp

                  memory/744-1904-0x0000000005940000-0x0000000005A28000-memory.dmp

                  memory/744-1902-0x0000000075280000-0x0000000075A30000-memory.dmp

                  memory/972-4128-0x0000000002A60000-0x0000000002A70000-memory.dmp

                  memory/972-4127-0x0000000075280000-0x0000000075A30000-memory.dmp

                  memory/972-5061-0x0000000005390000-0x0000000005391000-memory.dmp

                  memory/972-5082-0x0000000075280000-0x0000000075A30000-memory.dmp

                  memory/2004-952-0x0000000004BA0000-0x0000000004CC8000-memory.dmp

                  memory/2004-1901-0x0000000075280000-0x0000000075A30000-memory.dmp

                  memory/2004-954-0x0000000004CD0000-0x0000000004DFA000-memory.dmp

                  memory/2004-953-0x0000000075280000-0x0000000075A30000-memory.dmp

                  memory/2004-950-0x0000000000160000-0x00000000002A0000-memory.dmp

                  memory/2004-956-0x0000000004B90000-0x0000000004BA0000-memory.dmp

                  memory/2004-1894-0x0000000002530000-0x0000000002531000-memory.dmp

                  memory/2004-1895-0x0000000004FD0000-0x0000000005090000-memory.dmp

                  memory/2020-8211-0x0000000005970000-0x0000000005980000-memory.dmp

                  memory/2020-8210-0x0000000075280000-0x0000000075A30000-memory.dmp

                  memory/2020-10429-0x0000000075280000-0x0000000075A30000-memory.dmp

                  memory/2020-10430-0x0000000005970000-0x0000000005980000-memory.dmp

                  memory/3296-4110-0x000001491E760000-0x000001491E782000-memory.dmp

                  memory/3296-4112-0x0000014936D60000-0x0000014936D70000-memory.dmp

                  memory/3296-4111-0x00007FFCD6460000-0x00007FFCD6F21000-memory.dmp

                  memory/3296-4124-0x00007FFCD6460000-0x00007FFCD6F21000-memory.dmp

                  memory/3872-964-0x0000000000400000-0x0000000000488000-memory.dmp

                  memory/3980-32-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-42-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-60-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-960-0x0000000075280000-0x0000000075A30000-memory.dmp

                  memory/3980-937-0x00000000057A0000-0x0000000005940000-memory.dmp

                  memory/3980-938-0x0000000005390000-0x00000000053DC000-memory.dmp

                  memory/3980-1-0x0000000075280000-0x0000000075A30000-memory.dmp

                  memory/3980-936-0x0000000002CD0000-0x0000000002CD1000-memory.dmp

                  memory/3980-50-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-52-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-935-0x0000000005480000-0x0000000005490000-memory.dmp

                  memory/3980-24-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-54-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-48-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-46-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-44-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-26-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-38-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-64-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-34-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-28-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-22-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-18-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-30-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-20-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-36-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-40-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-951-0x0000000007B40000-0x00000000080E4000-memory.dmp

                  memory/3980-8-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-16-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-14-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-10-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-12-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-6-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-4-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-62-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-66-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-3-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-0-0x0000000000740000-0x0000000000968000-memory.dmp

                  memory/3980-2-0x0000000005490000-0x0000000005698000-memory.dmp

                  memory/3980-58-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/3980-56-0x0000000005490000-0x0000000005693000-memory.dmp

                  memory/4292-7273-0x0000000075280000-0x0000000075A30000-memory.dmp

                  memory/4292-5067-0x0000000075280000-0x0000000075A30000-memory.dmp

                  memory/4292-5068-0x0000000004EE0000-0x0000000004EF0000-memory.dmp

                  memory/4316-8530-0x00000195BC820000-0x00000195BC830000-memory.dmp

                  memory/4316-8532-0x00000195BC820000-0x00000195BC830000-memory.dmp

                  memory/4316-8528-0x00007FFCD6460000-0x00007FFCD6F21000-memory.dmp

                  memory/4316-10428-0x00007FFCD6460000-0x00007FFCD6F21000-memory.dmp

                  memory/4612-8212-0x0000000075280000-0x0000000075A30000-memory.dmp

                  memory/4612-8206-0x0000000005490000-0x0000000005491000-memory.dmp

                  memory/4612-7272-0x00000000054C0000-0x00000000054D0000-memory.dmp

                  memory/4612-7271-0x0000000075280000-0x0000000075A30000-memory.dmp