General

  • Target

    Solaris Executor.zip

  • Size

    75.0MB

  • Sample

    240702-t4yphswanq

  • MD5

    2582b95acdd29d87d13e5bbb177ce7b0

  • SHA1

    bee4878687d1167b4c47f97bc81a5672b6d7cd67

  • SHA256

    62fd7c23d64d6897325cd9084b9821ad7f812bc6ddb9d56d116121efbe1177c1

  • SHA512

    cd4681449f173edf69b42777afa8647456440496c608f35955a12175b4664c462a34dba315fcb67d03f67ec8b446bf5542088e685741e071a5377a06d85ada2c

  • SSDEEP

    1572864:hHBIuyN38S2AxUrjMFZNyq72xXG3G7RYEefcvV3WSJVvnDoERfguH67d:hHBIjV8SbWH8wqV3Gt4cvxvnMExH67d

Malware Config

Targets

    • Target

      Solaris.exe

    • Size

      75.4MB

    • MD5

      4b04a252512daad6d11c51446573e04d

    • SHA1

      540eb73a64c396d5da19c9267a4f60152817db8e

    • SHA256

      dc21544389191db1ecad74434878d61245f63335550a20af86d799043bfbbbec

    • SHA512

      e6a98e0d404d2e065f5eceef36d9b8d8b560967251fb4564deb4929824c5d603bab8bb0472a2f957e30623f2c4d3e7a38f269b4aaf3aeb39f1a68fa66f2ce1ad

    • SSDEEP

      1572864:0gvFUQ6l8GSk8IpG7V+VPhqIbE7WTylPj4iY4MHHLeqPNLtDaSWQZn6Oflz:0gvFU1iGSkB05awIxTy5nMHVLteS3bf9

    • Enumerates VirtualBox DLL files

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

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

Virtualization/Sandbox Evasion

1
T1497

Hide Artifacts

2
T1564

Hidden Files and Directories

2
T1564.001

Modify Registry

1
T1112

Discovery

File and Directory Discovery

1
T1083

Virtualization/Sandbox Evasion

1
T1497

Query Registry

1
T1012

System Information Discovery

1
T1082

Command and Control

Web Service

1
T1102

Tasks