njrat | 148f3eaea6acf3686f340905d53c9eb3b6cd5c537ba661a227d3303f45ff1ffa

General

Target

JaffaCakes118_85ce86e00afb30ea032310793367cbf1.exe
Size

202KB
MD5

85ce86e00afb30ea032310793367cbf1
SHA1

0b8d31dfaa3a4d4f64ff51c539be3210795fbc01
SHA256

148f3eaea6acf3686f340905d53c9eb3b6cd5c537ba661a227d3303f45ff1ffa
SHA512

15d26c987cc2a122c13eefd458ebc40ad6e4ed83bb61d139af16a1d3eecd78ed98272f63a219acad086625a8fa7678b896de76f792804c868a18c39f483a98f4
SSDEEP

384:ySe8ng4k586MSXLhtv26SMHzWANpSOPNQ1SU/U+l+H5NUclkKAqY1BslRGQZWMVJ:yf8ngf51MgzzDhGxMVJ

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

192.168.10.6:1177

Mutex

ca8e9a6c0e538fdec08f199c20453f00

Attributes

reg_key
ca8e9a6c0e538fdec08f199c20453f00
splitter
|'|'|

Signatures

Njrat family
njrat
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
888	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	JaffaCakes118_85ce86e00afb30ea032310793367cbf1.exe

Executes dropped EXE 1 IoCs

pid	Process
4904	server.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	JaffaCakes118_85ce86e00afb30ea032310793367cbf1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	4904	server.exe
Token: 33	4904	server.exe
Token: SeIncBasePriorityPrivilege	4904	server.exe
Token: 33	4904	server.exe
Token: SeIncBasePriorityPrivilege	4904	server.exe
Token: 33	4904	server.exe
Token: SeIncBasePriorityPrivilege	4904	server.exe
Token: 33	4904	server.exe
Token: SeIncBasePriorityPrivilege	4904	server.exe
Token: 33	4904	server.exe
Token: SeIncBasePriorityPrivilege	4904	server.exe
Token: 33	4904	server.exe
Token: SeIncBasePriorityPrivilege	4904	server.exe
Token: 33	4904	server.exe
Token: SeIncBasePriorityPrivilege	4904	server.exe
Token: 33	4904	server.exe
Token: SeIncBasePriorityPrivilege	4904	server.exe
Token: 33	4904	server.exe
Token: SeIncBasePriorityPrivilege	4904	server.exe
Token: 33	4904	server.exe
Token: SeIncBasePriorityPrivilege	4904	server.exe
Token: 33	4904	server.exe
Token: SeIncBasePriorityPrivilege	4904	server.exe
Token: 33	4904	server.exe
Token: SeIncBasePriorityPrivilege	4904	server.exe
Token: 33	4904	server.exe
Token: SeIncBasePriorityPrivilege	4904	server.exe
Token: 33	4904	server.exe
Token: SeIncBasePriorityPrivilege	4904	server.exe
Token: 33	4904	server.exe
Token: SeIncBasePriorityPrivilege	4904	server.exe
Token: 33	4904	server.exe
Token: SeIncBasePriorityPrivilege	4904	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 4904	1472	JaffaCakes118_85ce86e00afb30ea032310793367cbf1.exe	85
PID 1472 wrote to memory of 4904	1472	JaffaCakes118_85ce86e00afb30ea032310793367cbf1.exe	85
PID 1472 wrote to memory of 4904	1472	JaffaCakes118_85ce86e00afb30ea032310793367cbf1.exe	85
PID 4904 wrote to memory of 888	4904	server.exe	95
PID 4904 wrote to memory of 888	4904	server.exe	95
PID 4904 wrote to memory of 888	4904	server.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85ce86e00afb30ea032310793367cbf1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85ce86e00afb30ea032310793367cbf1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1472
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4904
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

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

1

T1562.004

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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

C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
202KB

MD5
85ce86e00afb30ea032310793367cbf1

SHA1
0b8d31dfaa3a4d4f64ff51c539be3210795fbc01

SHA256
148f3eaea6acf3686f340905d53c9eb3b6cd5c537ba661a227d3303f45ff1ffa

SHA512
15d26c987cc2a122c13eefd458ebc40ad6e4ed83bb61d139af16a1d3eecd78ed98272f63a219acad086625a8fa7678b896de76f792804c868a18c39f483a98f4

Download Submit
memory/1472-3-0x0000000005820000-0x0000000005DC4000-memory.dmp

Filesize
5.6MB

Download
memory/1472-8-0x0000000005460000-0x000000000546C000-memory.dmp

Filesize
48KB

Download
memory/1472-0-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

Filesize
4KB

Download
memory/1472-4-0x0000000005310000-0x00000000053A2000-memory.dmp

Filesize
584KB

Download
memory/1472-5-0x0000000005230000-0x000000000523A000-memory.dmp

Filesize
40KB

Download
memory/1472-6-0x00000000053B0000-0x0000000005406000-memory.dmp

Filesize
344KB

Download
memory/1472-7-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/1472-2-0x0000000005170000-0x000000000520C000-memory.dmp

Filesize
624KB

Download
memory/1472-1-0x00000000007B0000-0x00000000007E8000-memory.dmp

Filesize
224KB

Download
memory/1472-22-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4904-21-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4904-23-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4904-24-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/4904-25-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads