Analysis

  • max time kernel
    144s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-09-2023 13:40

General

  • Target

    bb4985dd9ac7d1165ea3efa792353e2131226de3d726e1197c83272fb46d8c88.exe

  • Size

    955KB

  • MD5

    43300528f352509302e289669403ded9

  • SHA1

    a6644b5bed8ec405af2e0fc2a2dec86acffa4da3

  • SHA256

    bb4985dd9ac7d1165ea3efa792353e2131226de3d726e1197c83272fb46d8c88

  • SHA512

    3573586ac4fbc1114a17395d046843d9e31fa5005fee4bc2c9041f03281dc05858b9c93d4728135a91902f5f3d4bbc499c5a7c806e73ddce82397942eaee5562

  • SSDEEP

    24576:ZnRoUWPkfjHFMlfph5qXxtw7AWYGQMJG1hVMgjBS6Z2sj8J6mOo4fL:ZmbkjH2vgh8joh7jBS6Z2084TooL

Malware Config

Signatures

  • FatalRat

    FatalRat is a modular infostealer family written in C++ first appearing in June 2021.

  • Gh0st RAT payload 1 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Fatal Rat payload 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb4985dd9ac7d1165ea3efa792353e2131226de3d726e1197c83272fb46d8c88.exe
    "C:\Users\Admin\AppData\Local\Temp\bb4985dd9ac7d1165ea3efa792353e2131226de3d726e1197c83272fb46d8c88.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1520
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command -
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4728
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3288
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command -
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1544
    • C:\Users\Admin\AppData\Local\bb4985dd9ac7d1165ea3efa792353e2131226de3d726e1197c83272fb46d8c88.exe
      "C:\Users\Admin\AppData\Local\bb4985dd9ac7d1165ea3efa792353e2131226de3d726e1197c83272fb46d8c88.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4356
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1272
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command -
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3904
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:464
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        powershell -Command -
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a04mga2y.3m1.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\bb4985dd9ac7d1165ea3efa792353e2131226de3d726e1197c83272fb46d8c88.exe

    Filesize

    955KB

    MD5

    43300528f352509302e289669403ded9

    SHA1

    a6644b5bed8ec405af2e0fc2a2dec86acffa4da3

    SHA256

    bb4985dd9ac7d1165ea3efa792353e2131226de3d726e1197c83272fb46d8c88

    SHA512

    3573586ac4fbc1114a17395d046843d9e31fa5005fee4bc2c9041f03281dc05858b9c93d4728135a91902f5f3d4bbc499c5a7c806e73ddce82397942eaee5562

  • C:\Users\Admin\AppData\Local\bb4985dd9ac7d1165ea3efa792353e2131226de3d726e1197c83272fb46d8c88.exe

    Filesize

    955KB

    MD5

    43300528f352509302e289669403ded9

    SHA1

    a6644b5bed8ec405af2e0fc2a2dec86acffa4da3

    SHA256

    bb4985dd9ac7d1165ea3efa792353e2131226de3d726e1197c83272fb46d8c88

    SHA512

    3573586ac4fbc1114a17395d046843d9e31fa5005fee4bc2c9041f03281dc05858b9c93d4728135a91902f5f3d4bbc499c5a7c806e73ddce82397942eaee5562

  • C:\Users\Admin\AppData\Local\bb4985dd9ac7d1165ea3efa792353e2131226de3d726e1197c83272fb46d8c88.exe

    Filesize

    955KB

    MD5

    43300528f352509302e289669403ded9

    SHA1

    a6644b5bed8ec405af2e0fc2a2dec86acffa4da3

    SHA256

    bb4985dd9ac7d1165ea3efa792353e2131226de3d726e1197c83272fb46d8c88

    SHA512

    3573586ac4fbc1114a17395d046843d9e31fa5005fee4bc2c9041f03281dc05858b9c93d4728135a91902f5f3d4bbc499c5a7c806e73ddce82397942eaee5562

  • C:\Users\Default\Desktop\athletes.exe

    Filesize

    955KB

    MD5

    43300528f352509302e289669403ded9

    SHA1

    a6644b5bed8ec405af2e0fc2a2dec86acffa4da3

    SHA256

    bb4985dd9ac7d1165ea3efa792353e2131226de3d726e1197c83272fb46d8c88

    SHA512

    3573586ac4fbc1114a17395d046843d9e31fa5005fee4bc2c9041f03281dc05858b9c93d4728135a91902f5f3d4bbc499c5a7c806e73ddce82397942eaee5562

  • memory/1272-123-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1520-13-0x0000000005130000-0x0000000005196000-memory.dmp

    Filesize

    408KB

  • memory/1520-12-0x0000000005090000-0x00000000050B2000-memory.dmp

    Filesize

    136KB

  • memory/1520-8-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1520-9-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

    Filesize

    64KB

  • memory/1520-10-0x0000000002640000-0x0000000002676000-memory.dmp

    Filesize

    216KB

  • memory/1520-11-0x00000000051E0000-0x0000000005808000-memory.dmp

    Filesize

    6.2MB

  • memory/1520-39-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

    Filesize

    64KB

  • memory/1520-40-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1520-32-0x0000000007990000-0x000000000800A000-memory.dmp

    Filesize

    6.5MB

  • memory/1520-19-0x0000000005880000-0x00000000058E6000-memory.dmp

    Filesize

    408KB

  • memory/1520-24-0x0000000005930000-0x0000000005C84000-memory.dmp

    Filesize

    3.3MB

  • memory/1520-25-0x0000000005F80000-0x0000000005F9E000-memory.dmp

    Filesize

    120KB

  • memory/1520-36-0x00000000085C0000-0x0000000008B64000-memory.dmp

    Filesize

    5.6MB

  • memory/1520-26-0x0000000005FC0000-0x000000000600C000-memory.dmp

    Filesize

    304KB

  • memory/1520-28-0x0000000007170000-0x00000000071B4000-memory.dmp

    Filesize

    272KB

  • memory/1520-35-0x0000000007490000-0x00000000074B2000-memory.dmp

    Filesize

    136KB

  • memory/1520-30-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

    Filesize

    64KB

  • memory/1520-31-0x0000000007290000-0x0000000007306000-memory.dmp

    Filesize

    472KB

  • memory/1520-38-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1520-33-0x0000000007330000-0x000000000734A000-memory.dmp

    Filesize

    104KB

  • memory/1520-34-0x00000000074E0000-0x0000000007576000-memory.dmp

    Filesize

    600KB

  • memory/1544-92-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1544-93-0x0000000003070000-0x0000000003080000-memory.dmp

    Filesize

    64KB

  • memory/1544-90-0x00000000060D0000-0x0000000006424000-memory.dmp

    Filesize

    3.3MB

  • memory/1544-79-0x0000000003070000-0x0000000003080000-memory.dmp

    Filesize

    64KB

  • memory/1544-80-0x0000000003070000-0x0000000003080000-memory.dmp

    Filesize

    64KB

  • memory/1544-91-0x0000000003070000-0x0000000003080000-memory.dmp

    Filesize

    64KB

  • memory/1544-78-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/1544-94-0x0000000003070000-0x0000000003080000-memory.dmp

    Filesize

    64KB

  • memory/3288-75-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

    Filesize

    64KB

  • memory/3288-61-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3288-76-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/3288-69-0x0000000005B50000-0x0000000005EA4000-memory.dmp

    Filesize

    3.3MB

  • memory/3288-63-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

    Filesize

    64KB

  • memory/3288-62-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

    Filesize

    64KB

  • memory/4356-122-0x00000000046E0000-0x00000000046E1000-memory.dmp

    Filesize

    4KB

  • memory/4356-211-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4356-121-0x00000000046F0000-0x00000000046F1000-memory.dmp

    Filesize

    4KB

  • memory/4356-195-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4356-117-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4356-119-0x00000000046C0000-0x00000000046C1000-memory.dmp

    Filesize

    4KB

  • memory/4356-212-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4356-154-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4356-120-0x00000000046B0000-0x00000000046B1000-memory.dmp

    Filesize

    4KB

  • memory/4356-118-0x00000000046D0000-0x00000000046D1000-memory.dmp

    Filesize

    4KB

  • memory/4356-207-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4356-173-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4356-178-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4356-137-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4356-116-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4356-210-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4728-58-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

    Filesize

    64KB

  • memory/4728-57-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

    Filesize

    64KB

  • memory/4728-41-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/4728-42-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

    Filesize

    64KB

  • memory/4728-43-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

    Filesize

    64KB

  • memory/4728-53-0x0000000005EF0000-0x0000000006244000-memory.dmp

    Filesize

    3.3MB

  • memory/4728-54-0x0000000004FE0000-0x0000000004FF0000-memory.dmp

    Filesize

    64KB

  • memory/4728-56-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/4728-60-0x00000000748A0000-0x0000000075050000-memory.dmp

    Filesize

    7.7MB

  • memory/4920-115-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4920-37-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4920-77-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4920-55-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4920-74-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4920-100-0x0000000010000000-0x0000000010042000-memory.dmp

    Filesize

    264KB

  • memory/4920-99-0x0000000004C00000-0x0000000004D00000-memory.dmp

    Filesize

    1024KB

  • memory/4920-98-0x0000000004C00000-0x0000000004D00000-memory.dmp

    Filesize

    1024KB

  • memory/4920-95-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4920-0-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4920-29-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4920-27-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4920-7-0x00000000046D0000-0x00000000046D1000-memory.dmp

    Filesize

    4KB

  • memory/4920-6-0x00000000046F0000-0x00000000046F1000-memory.dmp

    Filesize

    4KB

  • memory/4920-5-0x00000000046B0000-0x00000000046B1000-memory.dmp

    Filesize

    4KB

  • memory/4920-4-0x00000000046C0000-0x00000000046C1000-memory.dmp

    Filesize

    4KB

  • memory/4920-3-0x00000000046E0000-0x00000000046E1000-memory.dmp

    Filesize

    4KB

  • memory/4920-2-0x0000000000400000-0x0000000000607000-memory.dmp

    Filesize

    2.0MB

  • memory/4920-1-0x00000000776C4000-0x00000000776C6000-memory.dmp

    Filesize

    8KB