njrat | 834992de90014900a83734de8297b7fb707444fcf7e3f17670167152d7fc087a

General

Target

fa7da72b1813e37001ec668df333c6bc_JaffaCakes118.exe
Size

150KB
MD5

fa7da72b1813e37001ec668df333c6bc
SHA1

0164c1947bbc77479d54b28c4f6bfd74bf742a38
SHA256

834992de90014900a83734de8297b7fb707444fcf7e3f17670167152d7fc087a
SHA512

6d43a75e6675c910a97c8085e2cd5666d215bc7a7f36fa27a6a18d1b3cb1839e3e83956dcff04b720d94dfb8ccde7066e3b5cd114a9ac8f51be1a4ec00d04c87
SSDEEP

3072:fK9wIqKpOAdKSyYtQmkJIhTZdiSHvYazyc5i83iYfk7H:CeIqKppmokJIhVddPJzyuJ3ZA

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:1177

Mutex

212683d986fb740ad6a40184df48e604

Attributes

reg_key
212683d986fb740ad6a40184df48e604
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

Processes:

netsh.exe

pid process

2172 netsh.exe

pid	process
2172	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

Processes:

fa7da72b1813e37001ec668df333c6bc_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	fa7da72b1813e37001ec668df333c6bc_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

3944 server.exe

pid	process
3944	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\212683d986fb740ad6a40184df48e604 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\212683d986fb740ad6a40184df48e604 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	3944	server.exe
Token: 33	3944	server.exe
Token: SeIncBasePriorityPrivilege	3944	server.exe
Token: 33	3944	server.exe
Token: SeIncBasePriorityPrivilege	3944	server.exe
Token: 33	3944	server.exe
Token: SeIncBasePriorityPrivilege	3944	server.exe
Token: 33	3944	server.exe
Token: SeIncBasePriorityPrivilege	3944	server.exe
Token: 33	3944	server.exe
Token: SeIncBasePriorityPrivilege	3944	server.exe
Token: 33	3944	server.exe
Token: SeIncBasePriorityPrivilege	3944	server.exe
Token: 33	3944	server.exe
Token: SeIncBasePriorityPrivilege	3944	server.exe
Token: 33	3944	server.exe
Token: SeIncBasePriorityPrivilege	3944	server.exe
Token: 33	3944	server.exe
Token: SeIncBasePriorityPrivilege	3944	server.exe
Token: 33	3944	server.exe
Token: SeIncBasePriorityPrivilege	3944	server.exe
Token: 33	3944	server.exe
Token: SeIncBasePriorityPrivilege	3944	server.exe
Token: 33	3944	server.exe
Token: SeIncBasePriorityPrivilege	3944	server.exe
Token: 33	3944	server.exe
Token: SeIncBasePriorityPrivilege	3944	server.exe
Token: 33	3944	server.exe
Token: SeIncBasePriorityPrivilege	3944	server.exe
Token: 33	3944	server.exe
Token: SeIncBasePriorityPrivilege	3944	server.exe
Token: 33	3944	server.exe
Token: SeIncBasePriorityPrivilege	3944	server.exe
Token: 33	3944	server.exe
Token: SeIncBasePriorityPrivilege	3944	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

fa7da72b1813e37001ec668df333c6bc_JaffaCakes118.exeserver.exe

description	pid	process	target process
PID 3552 wrote to memory of 3944	3552	fa7da72b1813e37001ec668df333c6bc_JaffaCakes118.exe	server.exe
PID 3552 wrote to memory of 3944	3552	fa7da72b1813e37001ec668df333c6bc_JaffaCakes118.exe	server.exe
PID 3552 wrote to memory of 3944	3552	fa7da72b1813e37001ec668df333c6bc_JaffaCakes118.exe	server.exe
PID 3944 wrote to memory of 2172	3944	server.exe	netsh.exe
PID 3944 wrote to memory of 2172	3944	server.exe	netsh.exe
PID 3944 wrote to memory of 2172	3944	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\fa7da72b1813e37001ec668df333c6bc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa7da72b1813e37001ec668df333c6bc_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3552

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3944

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:2172

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
150KB

MD5
fa7da72b1813e37001ec668df333c6bc

SHA1
0164c1947bbc77479d54b28c4f6bfd74bf742a38

SHA256
834992de90014900a83734de8297b7fb707444fcf7e3f17670167152d7fc087a

SHA512
6d43a75e6675c910a97c8085e2cd5666d215bc7a7f36fa27a6a18d1b3cb1839e3e83956dcff04b720d94dfb8ccde7066e3b5cd114a9ac8f51be1a4ec00d04c87

Download Submit
memory/3552-3-0x0000000005710000-0x0000000005CB4000-memory.dmp

Filesize
5.6MB

Download
memory/3552-8-0x0000000006320000-0x000000000632C000-memory.dmp

Filesize
48KB

Download
memory/3552-1-0x0000000074CC0000-0x0000000075470000-memory.dmp

Filesize
7.7MB

Download
memory/3552-4-0x00000000050A0000-0x0000000005132000-memory.dmp

Filesize
584KB

Download
memory/3552-5-0x0000000005150000-0x0000000005160000-memory.dmp

Filesize
64KB

Download
memory/3552-6-0x0000000005000000-0x000000000500A000-memory.dmp

Filesize
40KB

Download
memory/3552-7-0x0000000005250000-0x00000000052A6000-memory.dmp

Filesize
344KB

Download
memory/3552-2-0x0000000004EE0000-0x0000000004F7C000-memory.dmp

Filesize
624KB

Download
memory/3552-0-0x0000000000580000-0x00000000005AC000-memory.dmp

Filesize
176KB

Download
memory/3552-21-0x0000000074CC0000-0x0000000075470000-memory.dmp

Filesize
7.7MB

Download
memory/3944-22-0x0000000074CC0000-0x0000000075470000-memory.dmp

Filesize
7.7MB

Download
memory/3944-23-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

Filesize
64KB

Download
memory/3944-24-0x0000000074CC0000-0x0000000075470000-memory.dmp

Filesize
7.7MB

Download
memory/3944-25-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads