njrat | 40c4138d29d4248af3d6489ec3d01b999c1efce936443937c6801abd1a9ad166 | Triage

Sharing

General

Target

6eb77d43ab30618dc1c85d0423b7a610_JaffaCakes118
Size

366KB
Sample

240524-q1majagb62
MD5

6eb77d43ab30618dc1c85d0423b7a610
SHA1

f5f139d04d0b8a8bd68d879794e07010ffd61ed8
SHA256

40c4138d29d4248af3d6489ec3d01b999c1efce936443937c6801abd1a9ad166
SHA512

83fb078958bc5ff4f219e116df6049516a9ba2e7af0b8d5da5d2f9f25f3728b3812db1c2f50c0b7ba5705366f502d1f3f47d477337f70126a4dc2a7ca96de91b
SSDEEP

6144:VS2Ncif96RpMpUubgLXtfjE8rgMP7noYxk4aNOti6t60PoQOMuNXGygxcWjN1I:VSQN9TpUrBdzDpLtNPoQOIyg2QNW

Score

10^/10

njrat spreadbykayxs evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

SpreadByKayxs

C2

paravant.no-ip.org:6600

Mutex

903b5e476b60431f6f04947fbe52bcc3

Attributes

reg_key
903b5e476b60431f6f04947fbe52bcc3
splitter
|'|'|

Targets

- Target
  
  LOLPro/LOL PRO 5.2.exe
- Size
  
  966KB
- MD5
  
  f6ef181ef99d83e9abd6e4a31066779c
- SHA1
  
  910734741be798fa7028e56589eaa63f650fbea7
- SHA256
  
  d5f9071bdf3777ec1c2156ef56e2404ffa107bea1ee1abdfcf324437f27a205c
- SHA512
  
  aef121cd8e9d0d5292c9a0952b2b4fda4c5d8d8208eee1ab854d4fff167bb29d7e98afa49109ab8d56d4dacd1d4058c414784337d90cbeae938ee49df1f69c53
- SSDEEP
  
  24576:54lavt0LkLL9IMixoEgeadFMdWxIq9MmCS:Ikwkn9IMHead+daPCS
Score

10^/10

njrat spreadbykayxs evasion persistence trojan
- Modifies visiblity of hidden/system files in Explorer
  evasion
- njRAT/Bladabindi
  Widely used RAT written in .NET.
  trojan njrat
- Modifies Windows Firewall
  evasion
- Adds Run key to start application
  persistence
- Suspicious use of SetThreadContext
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

Create or Modify System Process

Windows Service

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Create or Modify System Process

Windows Service

Scheduled Task/Job

Defense Evasion

Hide Artifacts

Hidden Files and Directories

Impair Defenses

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

njratspreadbykayxsevasionpersistencetrojan

behavioral2

njratspreadbykayxsevasionpersistencetrojan