ramnit | 5cdf60e819a14326c76398a12ba718764b4f0136139f817e5881e6b143f9b202 | Triage

Sharing

General

Target

JaffaCakes118_625e3a7e5f9a2cf1635b29ca6ba5517f
Size

216KB
Sample

250102-dymr3asrgr
MD5

625e3a7e5f9a2cf1635b29ca6ba5517f
SHA1

754fb2313c3983cc1a9dd5265a8e49556b6f19fa
SHA256

5cdf60e819a14326c76398a12ba718764b4f0136139f817e5881e6b143f9b202
SHA512

7a9893a48495aa0df77ab191720b684c31bd569aae33351dd1a25b96148cf7754d6052d163df6ba3aa7aee9c54212a12030cbd575a9eb44b1eee820ab1e2e6eb
SSDEEP

3072:6HC8gubt4tiYTGsH/qQsEoIk90HgChEITlwsMqMKFOC7eHm:XUjsHyQ/HgmVwLyOvm

Score

10^/10

ramnit banker defense_evasion discovery evasion persistence spyware stealer trojan worm

Malware Config

Targets

- Target
  
  JaffaCakes118_625e3a7e5f9a2cf1635b29ca6ba5517f
- Size
  
  216KB
- MD5
  
  625e3a7e5f9a2cf1635b29ca6ba5517f
- SHA1
  
  754fb2313c3983cc1a9dd5265a8e49556b6f19fa
- SHA256
  
  5cdf60e819a14326c76398a12ba718764b4f0136139f817e5881e6b143f9b202
- SHA512
  
  7a9893a48495aa0df77ab191720b684c31bd569aae33351dd1a25b96148cf7754d6052d163df6ba3aa7aee9c54212a12030cbd575a9eb44b1eee820ab1e2e6eb
- SSDEEP
  
  3072:6HC8gubt4tiYTGsH/qQsEoIk90HgChEITlwsMqMKFOC7eHm:XUjsHyQ/HgmVwLyOvm
Score

10^/10

ramnit banker defense_evasion discovery evasion persistence spyware stealer trojan worm
- Modifies WinLogon for persistence
  persistence
- Ramnit
  Ramnit is a versatile family that holds viruses, worms, and Trojans.
  trojan spyware stealer worm banker ramnit
- Ramnit family
  ramnit
- UAC bypass
  evasion trojan
- 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.
- Drops startup file
- Executes dropped EXE
- Impair Defenses: Safe Mode Boot
  defense_evasion
- Loads dropped DLL
- Adds Run key to start application
  persistence
- Drops file in System32 directory
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Abuse Elevation Control Mechanism

Bypass User Account Control

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Defense Evasion

Abuse Elevation Control Mechanism

Bypass User Account Control

Impair Defenses

Disable or Modify Tools

Safe Mode Boot

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery

System Location Discovery

System Language Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

ramnitbankerdefense_evasiondiscoveryevasionpersistencespywarestealertrojanworm

behavioral2

ramnitbankerdiscoveryspywarestealertrojanworm