njrat | 57aa58bfe01964b099dcc5a27416aa4643775ad19763bdaf946189e74093f209

General

Target

JaffaCakes118_6a1f4e2920e4b22197aebfb451127280.exe
Size

345KB
MD5

6a1f4e2920e4b22197aebfb451127280
SHA1

a3b8c73e6f561221f68f047043836c9ec31d1778
SHA256

57aa58bfe01964b099dcc5a27416aa4643775ad19763bdaf946189e74093f209
SHA512

b89b850a25a66458703a6235c9e1ae93f69b1e70e75f1c5ad597f67fe19868021d4991abf259eafb88e29a1eba2d8c565273dc446d9d6264ddc8b16321d21df6
SSDEEP

6144:/Y20AljuB28YZgqEPfS1fE1G5e06aRgm4SflxriIh:/Y20AljdZgBPfKf+I7J1

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

legend7mood.no-ip.biz:1177

Mutex

0e0d62bcdd008ea9bb60488901e62013

Attributes

reg_key
0e0d62bcdd008ea9bb60488901e62013
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
4176	netsh.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6a1f4e2920e4b22197aebfb451127280.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	Fix.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0e0d62bcdd008ea9bb60488901e62013.exe	svhost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0e0d62bcdd008ea9bb60488901e62013.exe	svhost.exe

Executes dropped EXE 2 IoCs

pid	Process
3656	Fix.exe
3308	svhost.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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0e0d62bcdd008ea9bb60488901e62013 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhost.exe\" .."	svhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\0e0d62bcdd008ea9bb60488901e62013 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svhost.exe\" .."	svhost.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 4 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_6a1f4e2920e4b22197aebfb451127280.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Fix.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	3308	svhost.exe
Token: 33	3308	svhost.exe
Token: SeIncBasePriorityPrivilege	3308	svhost.exe
Token: 33	3308	svhost.exe
Token: SeIncBasePriorityPrivilege	3308	svhost.exe
Token: 33	3308	svhost.exe
Token: SeIncBasePriorityPrivilege	3308	svhost.exe
Token: 33	3308	svhost.exe
Token: SeIncBasePriorityPrivilege	3308	svhost.exe
Token: 33	3308	svhost.exe
Token: SeIncBasePriorityPrivilege	3308	svhost.exe
Token: 33	3308	svhost.exe
Token: SeIncBasePriorityPrivilege	3308	svhost.exe
Token: 33	3308	svhost.exe
Token: SeIncBasePriorityPrivilege	3308	svhost.exe
Token: 33	3308	svhost.exe
Token: SeIncBasePriorityPrivilege	3308	svhost.exe
Token: 33	3308	svhost.exe
Token: SeIncBasePriorityPrivilege	3308	svhost.exe
Token: 33	3308	svhost.exe
Token: SeIncBasePriorityPrivilege	3308	svhost.exe
Token: 33	3308	svhost.exe
Token: SeIncBasePriorityPrivilege	3308	svhost.exe
Token: 33	3308	svhost.exe
Token: SeIncBasePriorityPrivilege	3308	svhost.exe
Token: 33	3308	svhost.exe
Token: SeIncBasePriorityPrivilege	3308	svhost.exe
Token: 33	3308	svhost.exe
Token: SeIncBasePriorityPrivilege	3308	svhost.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3444 wrote to memory of 3656	3444	JaffaCakes118_6a1f4e2920e4b22197aebfb451127280.exe	91
PID 3444 wrote to memory of 3656	3444	JaffaCakes118_6a1f4e2920e4b22197aebfb451127280.exe	91
PID 3444 wrote to memory of 3656	3444	JaffaCakes118_6a1f4e2920e4b22197aebfb451127280.exe	91
PID 3656 wrote to memory of 3308	3656	Fix.exe	95
PID 3656 wrote to memory of 3308	3656	Fix.exe	95
PID 3656 wrote to memory of 3308	3656	Fix.exe	95
PID 3308 wrote to memory of 4176	3308	svhost.exe	96
PID 3308 wrote to memory of 4176	3308	svhost.exe	96
PID 3308 wrote to memory of 4176	3308	svhost.exe	96

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a1f4e2920e4b22197aebfb451127280.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a1f4e2920e4b22197aebfb451127280.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Users\Admin\AppData\Local\Temp\Fix.exe
  "C:\Users\Admin\AppData\Local\Temp\Fix.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3656
- - C:\Users\Admin\AppData\Local\Temp\svhost.exe
    "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3308
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svhost.exe" "svhost.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:4176

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

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\Fix.exe

Filesize
105KB

MD5
7325e5334b6ae3ae32ceb1a3b3140505

SHA1
9219c2b5a75bb7cd02b504909a0a6968c0a145f4

SHA256
087b723cc690b61d1800dd1f380511ac12a8ccf9f994c106357bd6f94b580a73

SHA512
596f563de38f3ac87a84a43b34d62d55255a40a9a4b91a1c77d2e8ad7dd6129ffa574f76b52eece798a64dd049d483f1fb502451dee98a4f2cb1ba58bf6037a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\SMITE Simple Speedhack.exe

Filesize
79KB

MD5
a3c484206fa74c235643c65d01934e20

SHA1
0391e8e7bcc1eeb267017aa754c6aa2c80c74096

SHA256
bb665c8aff756b191030343e68c1a7dd47b82251cdf917d86cccb9887f4826b1

SHA512
8ed4b45fcb698e5452b1915bbfca84de6b19b78bb7a80c18ce4b4ff2c25bd209c679ce3d37223bcfccbb13e5faec16a6b5721419ed7aa23914525c6bbbee21ca

Download Submit
memory/3308-52-0x0000000005260000-0x00000000052F2000-memory.dmp

Filesize
584KB

Download
memory/3308-53-0x0000000005220000-0x000000000522A000-memory.dmp

Filesize
40KB

Download
memory/3656-22-0x000000007305E000-0x000000007305F000-memory.dmp

Filesize
4KB

Download
memory/3656-23-0x0000000000D70000-0x0000000000D90000-memory.dmp

Filesize
128KB

Download
memory/3656-24-0x0000000003220000-0x000000000322C000-memory.dmp

Filesize
48KB

Download
memory/3656-25-0x0000000005730000-0x00000000057CC000-memory.dmp

Filesize
624KB

Download
memory/3656-26-0x0000000005D80000-0x0000000006324000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads