njrat | 16454b7fc606c00ead3dd8f81f5ca9846bdd3207024417b88fbedff26ee8bebf

General

Target

7bb34676d78cf5e816d0bbb66c7c41dc_JaffaCakes118.exe
Size

550KB
MD5

7bb34676d78cf5e816d0bbb66c7c41dc
SHA1

3d636338c5b652c89d90d6f5b2abd8f42d232484
SHA256

16454b7fc606c00ead3dd8f81f5ca9846bdd3207024417b88fbedff26ee8bebf
SHA512

961c09e7c8cc5162e12ff5dff2ce47c28c321ec8954cc7ae678db5df4c61b91cac8f3a13c7ffe705d77009acff45e7b2f693fd95e623b7ada87ea4a75abff68d
SSDEEP

12288:FRZ+IoG/n9IQxW3OBse2HkpbnOav7JHvVqH:t2G/nvxW3Wz1nOma

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

samsam23.ddns.net:1177

Mutex

ae8569b6b570262c4a55bad57ad853a5

Attributes

reg_key
ae8569b6b570262c4a55bad57ad853a5
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
2764	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	7bb34676d78cf5e816d0bbb66c7c41dc_JaffaCakes118.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ae8569b6b570262c4a55bad57ad853a5.exe	♥♥.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ae8569b6b570262c4a55bad57ad853a5.exe	♥♥.exe

Executes dropped EXE 1 IoCs

pid	Process
3096	♥♥.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ae8569b6b570262c4a55bad57ad853a5 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\♥♥.exe\" .."	♥♥.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ae8569b6b570262c4a55bad57ad853a5 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\♥♥.exe\" .."	♥♥.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	7bb34676d78cf5e816d0bbb66c7c41dc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	♥♥.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3096	♥♥.exe
Token: 33	3096	♥♥.exe
Token: SeIncBasePriorityPrivilege	3096	♥♥.exe
Token: 33	3096	♥♥.exe
Token: SeIncBasePriorityPrivilege	3096	♥♥.exe
Token: 33	3096	♥♥.exe
Token: SeIncBasePriorityPrivilege	3096	♥♥.exe
Token: 33	3096	♥♥.exe
Token: SeIncBasePriorityPrivilege	3096	♥♥.exe
Token: 33	3096	♥♥.exe
Token: SeIncBasePriorityPrivilege	3096	♥♥.exe
Token: 33	3096	♥♥.exe
Token: SeIncBasePriorityPrivilege	3096	♥♥.exe
Token: 33	3096	♥♥.exe
Token: SeIncBasePriorityPrivilege	3096	♥♥.exe
Token: 33	3096	♥♥.exe
Token: SeIncBasePriorityPrivilege	3096	♥♥.exe
Token: 33	3096	♥♥.exe
Token: SeIncBasePriorityPrivilege	3096	♥♥.exe
Token: 33	3096	♥♥.exe
Token: SeIncBasePriorityPrivilege	3096	♥♥.exe
Token: 33	3096	♥♥.exe
Token: SeIncBasePriorityPrivilege	3096	♥♥.exe
Token: 33	3096	♥♥.exe
Token: SeIncBasePriorityPrivilege	3096	♥♥.exe
Token: 33	3096	♥♥.exe
Token: SeIncBasePriorityPrivilege	3096	♥♥.exe
Token: 33	3096	♥♥.exe
Token: SeIncBasePriorityPrivilege	3096	♥♥.exe
Token: 33	3096	♥♥.exe
Token: SeIncBasePriorityPrivilege	3096	♥♥.exe
Token: 33	3096	♥♥.exe
Token: SeIncBasePriorityPrivilege	3096	♥♥.exe
Token: 33	3096	♥♥.exe
Token: SeIncBasePriorityPrivilege	3096	♥♥.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1276 wrote to memory of 3096	1276	7bb34676d78cf5e816d0bbb66c7c41dc_JaffaCakes118.exe	86
PID 1276 wrote to memory of 3096	1276	7bb34676d78cf5e816d0bbb66c7c41dc_JaffaCakes118.exe	86
PID 1276 wrote to memory of 3096	1276	7bb34676d78cf5e816d0bbb66c7c41dc_JaffaCakes118.exe	86
PID 3096 wrote to memory of 2764	3096	♥♥.exe	95
PID 3096 wrote to memory of 2764	3096	♥♥.exe	95
PID 3096 wrote to memory of 2764	3096	♥♥.exe	95

C:\Users\Admin\AppData\Local\Temp\7bb34676d78cf5e816d0bbb66c7c41dc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7bb34676d78cf5e816d0bbb66c7c41dc_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Users\Admin\AppData\Local\Temp\♥♥.exe
  "C:\Users\Admin\AppData\Local\Temp\♥♥.exe"
  2⤵
  - 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:3096
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\♥♥.exe" "♥♥.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2764

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\♥♥.exe

Filesize
127KB

MD5
ef180c0a0628da6913e740e547a26276

SHA1
fd39a2a9f4ceaf5497c5c7182bae718dd6f05973

SHA256
b8793d03135be199f63f47e5fe1a639dc37662f7a0357331e37a523b0f014844

SHA512
c9a493508f1b182dbe533fbe67f09089de34ed861fdbdebde0672677009143ccb41cb22906c0530012fa628ce6548eee3b20916fcac689651872c6bf9937abae

Download Submit
memory/3096-14-0x0000000072FEE000-0x0000000072FEF000-memory.dmp

Filesize
4KB

Download
memory/3096-15-0x0000000000E90000-0x0000000000EB6000-memory.dmp

Filesize
152KB

Download
memory/3096-16-0x00000000057E0000-0x000000000582A000-memory.dmp

Filesize
296KB

Download
memory/3096-17-0x0000000003070000-0x0000000003076000-memory.dmp

Filesize
24KB

Download
memory/3096-18-0x0000000003080000-0x000000000308C000-memory.dmp

Filesize
48KB

Download
memory/3096-19-0x0000000072FE0000-0x0000000073790000-memory.dmp

Filesize
7.7MB

Download
memory/3096-20-0x0000000006A30000-0x0000000006ACC000-memory.dmp

Filesize
624KB

Download
memory/3096-21-0x0000000007080000-0x0000000007624000-memory.dmp

Filesize
5.6MB

Download
memory/3096-23-0x0000000006C40000-0x0000000006CD2000-memory.dmp

Filesize
584KB

Download
memory/3096-24-0x0000000006C00000-0x0000000006C0A000-memory.dmp

Filesize
40KB

Download
memory/3096-25-0x0000000072FEE000-0x0000000072FEF000-memory.dmp

Filesize
4KB

Download
memory/3096-26-0x0000000072FE0000-0x0000000073790000-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