4ea1f2ecf7eb12896f2cbf8683dae8546d2b8dc43cf7710d68ce99e127c0a966 | Triage

Sharing

General

Target

trojnam.exe
Size

6.7MB
Sample

240525-c79grabg6x
MD5

f2b7074e1543720a9a98fda660e02688
SHA1

1029492c1a12789d8af78d54adcb921e24b9e5ca
SHA256

4ea1f2ecf7eb12896f2cbf8683dae8546d2b8dc43cf7710d68ce99e127c0a966
SHA512

73f9548633bc38bab64b1dd5a01401ef7f5b139163bdf291cc475dbd2613510c4c5e4d7702ecdfa74b49f3c9eaed37ed23b9d8f0064c66123eb0769c8671c6ff
SSDEEP

3072:eaLA1++iCeFj0im6X/AXpT8vVMCcHVcdhghUuz1o9Y:fLJlC6j0CX4XmvWHVcd62uO9

Score

8^/10

evasion persistence ransomware

Malware Config

Targets

- Target
  
  trojnam.exe
- Size
  
  6.7MB
- MD5
  
  f2b7074e1543720a9a98fda660e02688
- SHA1
  
  1029492c1a12789d8af78d54adcb921e24b9e5ca
- SHA256
  
  4ea1f2ecf7eb12896f2cbf8683dae8546d2b8dc43cf7710d68ce99e127c0a966
- SHA512
  
  73f9548633bc38bab64b1dd5a01401ef7f5b139163bdf291cc475dbd2613510c4c5e4d7702ecdfa74b49f3c9eaed37ed23b9d8f0064c66123eb0769c8671c6ff
- SSDEEP
  
  3072:eaLA1++iCeFj0im6X/AXpT8vVMCcHVcdhghUuz1o9Y:fLJlC6j0CX4XmvWHVcd62uO9
Score

8^/10

evasion persistence ransomware
- Disables Task Manager via registry modification
  evasion
- Enumerates connected drives
  Attempts to read the root path of hard drives other than the default C: drive.
- Modifies WinLogon
  persistence
- Sets desktop wallpaper using registry
  ransomware
behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Winlogon Helper DLL

Privilege Escalation

Boot or Logon Autostart Execution

Winlogon Helper DLL

Defense Evasion

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

Tasks

static1

behavioral1

evasionpersistenceransomware