Analysis

  • max time kernel
    155s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-05-2024 01:13

General

  • Target

    369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe

  • Size

    2.3MB

  • MD5

    a717a432c558f56c46709d6d3ec9837f

  • SHA1

    ceda052be2519383085089a41c422ce2b1400a46

  • SHA256

    369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186

  • SHA512

    e859810a198b8b946581ed6197b1154856e736687dd593d383dc952a3afd597ed6b5a631a8e6b2228a425b809b772457e6e10e0ca6f68cd8f0a8cc637a81132c

  • SSDEEP

    49152:T+GJaXbo4IKA2WN4M63n4dHzCJYU6Mm4/4w2RAObR8XlZrzyiko:TboxWN4UHzCJYCmX5w1ZXyik

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

5512.sytes.net:6606

5512.sytes.net:7707

5512.sytes.net:8808

95.211.208.153:6606

95.211.208.153:7707

95.211.208.153:8808

Mutex

Llg9a02PERRO

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Detect ZGRat V1 34 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Detects file containing reversed ASEP Autorun registry keys 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe
    "C:\Users\Admin\AppData\Local\Temp\369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4664
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand "PAAjAGYAZQBkACMAPgBBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAAPAAjAGoAagBkACMAPgAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEAAKAAkAGUAbgB2ADoAVQBzAGUAcgBQAHIAbwBmAGkAbABlACwAJABlAG4AdgA6AFMAeQBzAHQAZQBtAEQAcgBpAHYAZQApACAAPAAjAHMAawBmACMAPgAgAC0ARgBvAHIAYwBlACAAPAAjAGMAZwB4ACMAPgA="
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2760
    • C:\Users\Admin\AppData\Local\Dfzxuwcml.exe
      "C:\Users\Admin\AppData\Local\Dfzxuwcml.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4268
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3968
    • C:\Users\Admin\AppData\Local\Temp\hd.sentinel.pro.4.x-5.x-patch.exe
      "C:\Users\Admin\AppData\Local\Temp\hd.sentinel.pro.4.x-5.x-patch.exe"
      2⤵
      • Executes dropped EXE
      PID:1912
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3896 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3388

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      2.2MB

      MD5

      577b8f4cd65df6e3cd42d7d37c7917cf

      SHA1

      5033814e5aade04682bf7cb7fca3e32c46c5512a

      SHA256

      d4360ef0464f7620fe0e3d5185adcdc0781aacfe23510d2c6c2e85c1095c8948

      SHA512

      a42dab76abe41e53d7eee1ff3cec3092b26e1a05bdd6c91e8f12e35f6f14fc36df5ef918d0a2818d9f549db1e8ace169ff8ed3f441253a9a27b89c1ec816ff9d

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5qlp1fw2.bmh.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\hd.sentinel.pro.4.x-5.x-patch.exe

      Filesize

      85KB

      MD5

      57824abbb9afe394c8a17a410e60c6fd

      SHA1

      cdb3fe63c22e7d93d4a47bdb966b09f1b478f19f

      SHA256

      becb4e1eaa4fbd915241f1138e2ed7b9833dc1cf66d6da25f9fac1a3e317c3ee

      SHA512

      8b4e82437d6a30e73b65d0abc41b68d8420454622efd43d8d874ecee7a9251f36555d4c35dd13f886250948df1b9606ee61d0bcb2c8abb748b316dadff539c3d

    • memory/2760-4782-0x0000000007680000-0x0000000007723000-memory.dmp

      Filesize

      652KB

    • memory/2760-4953-0x0000000006A90000-0x0000000006A9A000-memory.dmp

      Filesize

      40KB

    • memory/2760-28-0x0000000004D90000-0x0000000004DC6000-memory.dmp

      Filesize

      216KB

    • memory/2760-29-0x0000000074BE0000-0x0000000075390000-memory.dmp

      Filesize

      7.7MB

    • memory/2760-30-0x0000000074BE0000-0x0000000075390000-memory.dmp

      Filesize

      7.7MB

    • memory/2760-31-0x0000000005400000-0x0000000005A28000-memory.dmp

      Filesize

      6.2MB

    • memory/2760-4966-0x0000000007910000-0x0000000007918000-memory.dmp

      Filesize

      32KB

    • memory/2760-4965-0x0000000007920000-0x000000000793A000-memory.dmp

      Filesize

      104KB

    • memory/2760-4964-0x00000000078E0000-0x00000000078F4000-memory.dmp

      Filesize

      80KB

    • memory/2760-4963-0x00000000078D0000-0x00000000078DE000-memory.dmp

      Filesize

      56KB

    • memory/2760-4962-0x0000000006AB0000-0x0000000006AC1000-memory.dmp

      Filesize

      68KB

    • memory/2760-492-0x0000000005F30000-0x0000000006284000-memory.dmp

      Filesize

      3.3MB

    • memory/2760-4959-0x0000000007960000-0x00000000079F6000-memory.dmp

      Filesize

      600KB

    • memory/2760-4970-0x0000000074BE0000-0x0000000075390000-memory.dmp

      Filesize

      7.7MB

    • memory/2760-26-0x0000000074BE0000-0x0000000075390000-memory.dmp

      Filesize

      7.7MB

    • memory/2760-4952-0x0000000000E10000-0x0000000000E2A000-memory.dmp

      Filesize

      104KB

    • memory/2760-113-0x0000000005390000-0x00000000053B2000-memory.dmp

      Filesize

      136KB

    • memory/2760-4951-0x0000000007DB0000-0x000000000842A000-memory.dmp

      Filesize

      6.5MB

    • memory/2760-2112-0x00000000063E0000-0x00000000063FE000-memory.dmp

      Filesize

      120KB

    • memory/2760-217-0x0000000005B80000-0x0000000005BE6000-memory.dmp

      Filesize

      408KB

    • memory/2760-216-0x0000000005AA0000-0x0000000005B06000-memory.dmp

      Filesize

      408KB

    • memory/2760-4734-0x0000000006990000-0x00000000069AE000-memory.dmp

      Filesize

      120KB

    • memory/2760-4629-0x0000000070200000-0x000000007024C000-memory.dmp

      Filesize

      304KB

    • memory/2760-4628-0x00000000069B0000-0x00000000069E2000-memory.dmp

      Filesize

      200KB

    • memory/2760-2160-0x00000000064C0000-0x000000000650C000-memory.dmp

      Filesize

      304KB

    • memory/3968-4971-0x0000000004DE0000-0x0000000004E7C000-memory.dmp

      Filesize

      624KB

    • memory/3968-4960-0x0000000000500000-0x0000000000512000-memory.dmp

      Filesize

      72KB

    • memory/4268-86-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-84-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-66-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-72-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-64-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-76-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-74-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-68-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-58-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-56-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-54-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-78-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-52-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-50-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-48-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-46-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-44-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-42-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-36-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-35-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-82-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-70-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-88-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-92-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-94-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-96-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-4948-0x0000000074BE0000-0x0000000075390000-memory.dmp

      Filesize

      7.7MB

    • memory/4268-4949-0x0000000001300000-0x000000000135C000-memory.dmp

      Filesize

      368KB

    • memory/4268-4950-0x0000000001530000-0x000000000157C000-memory.dmp

      Filesize

      304KB

    • memory/4268-98-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-90-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-80-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-4955-0x0000000005EF0000-0x0000000005F44000-memory.dmp

      Filesize

      336KB

    • memory/4268-62-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-60-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-4961-0x0000000074BE0000-0x0000000075390000-memory.dmp

      Filesize

      7.7MB

    • memory/4268-40-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-38-0x0000000005770000-0x000000000598A000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-34-0x0000000005A70000-0x0000000005B02000-memory.dmp

      Filesize

      584KB

    • memory/4268-33-0x0000000005F40000-0x00000000064E4000-memory.dmp

      Filesize

      5.6MB

    • memory/4268-32-0x0000000005770000-0x0000000005990000-memory.dmp

      Filesize

      2.1MB

    • memory/4268-27-0x0000000000B80000-0x0000000000DB2000-memory.dmp

      Filesize

      2.2MB

    • memory/4268-25-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

      Filesize

      4KB