njrat | 0356d3addd7765ab6b6a99e927fc8fe7adc82e884bcc3619209ea5b25a51e300

General

Target

efefbca8d55a6d05c2a8091636e5eecc_JaffaCakes118.exe
Size

23KB
MD5

efefbca8d55a6d05c2a8091636e5eecc
SHA1

7a1ae289e864a639cb2849a3ce8d927b5fb06b93
SHA256

0356d3addd7765ab6b6a99e927fc8fe7adc82e884bcc3619209ea5b25a51e300
SHA512

b01bfbbc6d68dcc280d644ff0bd2053c1bed948a6af9f2971ad54fc95d42928af95c99d7da97d6bcfa050342a27338769ab3db2ef01d378c92c83b9e76352c9a
SSDEEP

384:dluBPiZCMfdfSJrQbsLRGSIxYVL46pg/i8BD9BmRvR6JZlbw8hqIusZzZ7qbu:yOmhtIiRpcnuEF

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Hacked

C2

bulletofmercy.ddns.net:5552

Mutex

f8740a01d15f833617e77468de51f590

Attributes

reg_key
f8740a01d15f833617e77468de51f590
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2756	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
1452	chrome.exe

Loads dropped DLL 1 IoCs

pid	Process
2424	efefbca8d55a6d05c2a8091636e5eecc_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\f8740a01d15f833617e77468de51f590 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .."	chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\f8740a01d15f833617e77468de51f590 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .."	chrome.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	efefbca8d55a6d05c2a8091636e5eecc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chrome.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1452	chrome.exe
Token: 33	1452	chrome.exe
Token: SeIncBasePriorityPrivilege	1452	chrome.exe
Token: 33	1452	chrome.exe
Token: SeIncBasePriorityPrivilege	1452	chrome.exe
Token: 33	1452	chrome.exe
Token: SeIncBasePriorityPrivilege	1452	chrome.exe
Token: 33	1452	chrome.exe
Token: SeIncBasePriorityPrivilege	1452	chrome.exe
Token: 33	1452	chrome.exe
Token: SeIncBasePriorityPrivilege	1452	chrome.exe
Token: 33	1452	chrome.exe
Token: SeIncBasePriorityPrivilege	1452	chrome.exe
Token: 33	1452	chrome.exe
Token: SeIncBasePriorityPrivilege	1452	chrome.exe
Token: 33	1452	chrome.exe
Token: SeIncBasePriorityPrivilege	1452	chrome.exe
Token: 33	1452	chrome.exe
Token: SeIncBasePriorityPrivilege	1452	chrome.exe
Token: 33	1452	chrome.exe
Token: SeIncBasePriorityPrivilege	1452	chrome.exe
Token: 33	1452	chrome.exe
Token: SeIncBasePriorityPrivilege	1452	chrome.exe
Token: 33	1452	chrome.exe
Token: SeIncBasePriorityPrivilege	1452	chrome.exe
Token: 33	1452	chrome.exe
Token: SeIncBasePriorityPrivilege	1452	chrome.exe
Token: 33	1452	chrome.exe
Token: SeIncBasePriorityPrivilege	1452	chrome.exe
Token: 33	1452	chrome.exe
Token: SeIncBasePriorityPrivilege	1452	chrome.exe
Token: 33	1452	chrome.exe
Token: SeIncBasePriorityPrivilege	1452	chrome.exe
Token: 33	1452	chrome.exe
Token: SeIncBasePriorityPrivilege	1452	chrome.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 1452	2424	efefbca8d55a6d05c2a8091636e5eecc_JaffaCakes118.exe	30
PID 2424 wrote to memory of 1452	2424	efefbca8d55a6d05c2a8091636e5eecc_JaffaCakes118.exe	30
PID 2424 wrote to memory of 1452	2424	efefbca8d55a6d05c2a8091636e5eecc_JaffaCakes118.exe	30
PID 2424 wrote to memory of 1452	2424	efefbca8d55a6d05c2a8091636e5eecc_JaffaCakes118.exe	30
PID 1452 wrote to memory of 2756	1452	chrome.exe	32
PID 1452 wrote to memory of 2756	1452	chrome.exe	32
PID 1452 wrote to memory of 2756	1452	chrome.exe	32
PID 1452 wrote to memory of 2756	1452	chrome.exe	32

C:\Users\Admin\AppData\Local\Temp\efefbca8d55a6d05c2a8091636e5eecc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\efefbca8d55a6d05c2a8091636e5eecc_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\chrome.exe
  "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1452
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\chrome.exe" "chrome.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\chrome.exe

Filesize
23KB

MD5
efefbca8d55a6d05c2a8091636e5eecc

SHA1
7a1ae289e864a639cb2849a3ce8d927b5fb06b93

SHA256
0356d3addd7765ab6b6a99e927fc8fe7adc82e884bcc3619209ea5b25a51e300

SHA512
b01bfbbc6d68dcc280d644ff0bd2053c1bed948a6af9f2971ad54fc95d42928af95c99d7da97d6bcfa050342a27338769ab3db2ef01d378c92c83b9e76352c9a

Download Submit
memory/1452-11-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/1452-12-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/1452-13-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/2424-0-0x0000000074251000-0x0000000074252000-memory.dmp

Filesize
4KB

Download
memory/2424-1-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/2424-2-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/2424-10-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads