c77d02ff3c121a9b6f1363abc64e6daeb1f183df47f3e95802092c0712a988a4 | Triage

Sharing

General

Target

1997ce14984d4934d8de66cffd04ae80N.exe
Size

2.0MB
Sample

240822-wrmslatamj
MD5

1997ce14984d4934d8de66cffd04ae80
SHA1

6ee9ecae95f8246284df2301f87ac4e688a63e38
SHA256

c77d02ff3c121a9b6f1363abc64e6daeb1f183df47f3e95802092c0712a988a4
SHA512

1f9ca7d99bae63b8f1da115121c17f0b7e6e8b2d4fc93f8b360ca41ac03e0958cf4731083a3017a9911cae89a11dd703d0fb3cbede99a1235fe7bb3ea47c907e
SSDEEP

49152:AHyPzhp8e40llgHZr4WeSUoKXEnorZ3HGP0gZ/szKn:9P4mlg5rXKXEMmP0gyA

Score

10^/10

discovery evasion persistence

Malware Config

Targets

- Target
  
  1997ce14984d4934d8de66cffd04ae80N.exe
- Size
  
  2.0MB
- MD5
  
  1997ce14984d4934d8de66cffd04ae80
- SHA1
  
  6ee9ecae95f8246284df2301f87ac4e688a63e38
- SHA256
  
  c77d02ff3c121a9b6f1363abc64e6daeb1f183df47f3e95802092c0712a988a4
- SHA512
  
  1f9ca7d99bae63b8f1da115121c17f0b7e6e8b2d4fc93f8b360ca41ac03e0958cf4731083a3017a9911cae89a11dd703d0fb3cbede99a1235fe7bb3ea47c907e
- SSDEEP
  
  49152:AHyPzhp8e40llgHZr4WeSUoKXEnorZ3HGP0gZ/szKn:9P4mlg5rXKXEMmP0gyA
Score

10^/10

discovery evasion persistence
- Modifies WinLogon for persistence
  persistence
- Modifies visiblity of hidden/system files in Explorer
  evasion
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Boot or Logon Autostart Execution: Active Setup
  Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
  persistence
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- 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.
  evasion
- Loads dropped DLL
- Adds Run key to start application
  persistence
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Active Setup

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Boot or Logon Autostart Execution

Active Setup

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Defense Evasion

Hide Artifacts

Hidden Files and Directories

Modify Registry

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Virtualization/Sandbox Evasion

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

discoveryevasionpersistence

behavioral2

discoveryevasion