cbcfdd32a836531eedf06b413278288bdd85316fe3c6a148814084823beb09b9 | Triage

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Overview

overview

Static

static

cbcfdd32a8...b9.exe

windows7-x64

cbcfdd32a8...b9.exe

windows10-2004-x64

Sharing

General

Target

cbcfdd32a836531eedf06b413278288bdd85316fe3c6a148814084823beb09b9
Size

2.5MB
Sample

240528-dnxjhsce7z
MD5

5ca005a9e762448e7f22ac187729be56
SHA1

28d031b5ad6412280afbeec70c0fece85d2e86b7
SHA256

cbcfdd32a836531eedf06b413278288bdd85316fe3c6a148814084823beb09b9
SHA512

ba3f933b42c14a369b7b9e22906bf56b328c686cfce6709ffaffe05d765a63c78e16d019ad072754b95d3e6ff2922c673b19db4af720981896dee9acec579289
SSDEEP

49152:MxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxa:Mxx9NUFkQx753uWuCyyxa

Score

10^/10

evasion persistence themida trojan

Static task

static1

3 signatures

Behavioral task

behavioral1

Sample

cbcfdd32a836531eedf06b413278288bdd85316fe3c6a148814084823beb09b9.exe

Resource

win7-20240508-en

evasion persistence themida trojan

windows7-x64

17 signatures

150 seconds

Behavioral task

behavioral2

Sample

cbcfdd32a836531eedf06b413278288bdd85316fe3c6a148814084823beb09b9.exe

Resource

win10v2004-20240426-en

evasion persistence themida trojan

windows10-2004-x64

15 signatures

150 seconds

Malware Config

Targets

- Target
  
  cbcfdd32a836531eedf06b413278288bdd85316fe3c6a148814084823beb09b9
- Size
  
  2.5MB
- MD5
  
  5ca005a9e762448e7f22ac187729be56
- SHA1
  
  28d031b5ad6412280afbeec70c0fece85d2e86b7
- SHA256
  
  cbcfdd32a836531eedf06b413278288bdd85316fe3c6a148814084823beb09b9
- SHA512
  
  ba3f933b42c14a369b7b9e22906bf56b328c686cfce6709ffaffe05d765a63c78e16d019ad072754b95d3e6ff2922c673b19db4af720981896dee9acec579289
- SSDEEP
  
  49152:MxmvumkQ9lY9sgUXdTPSxdQ8KX75IyuWuCjcCqWOyxa:Mxx9NUFkQx753uWuCyyxa
Score

10^/10

evasion persistence themida trojan
- Modifies visiblity of hidden/system files in Explorer
  evasion
- Detects executables packed with Themida
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Executes dropped EXE
- Loads dropped DLL
- Themida packer
  Detects Themida, an advanced Windows software protection system.
  themida
- Adds Run key to start application
  persistence
- Checks whether UAC is enabled
  evasion trojan
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Hide Artifacts

Hidden Files and Directories

Modify Registry

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

evasionpersistencethemidatrojan

behavioral2

evasionpersistencethemidatrojan

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