njrat | d5cf78c53b8357164077ee44e8c0b237c2b75efd06961e9549fbea110a2de053

General

Target

JaffaCakes118_6a8c965281056303b644b31fc4aa6080.exe
Size

69KB
MD5

6a8c965281056303b644b31fc4aa6080
SHA1

9c2d82178da83916f18a074b34ca23da574daacb
SHA256

d5cf78c53b8357164077ee44e8c0b237c2b75efd06961e9549fbea110a2de053
SHA512

cab33f86a9efc3edd6402a117077655a72ac04515aa62132919a1046ddae57e1b9f279dc9fb668258d583285a088420f96c10ba0362255f1655731c12b8e6b4a
SSDEEP

1536:GKKk6iEItiagPtHcEFv968/LBHV39QPWSxE0gNTfy4chu:MiEIti7tRv96iHSWkub

Score

10^/10

njrat mohamed evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

MoHaMeD

C2

tekken.zapto.org:92

Mutex

8289f10decadc2243138145a3d36e9b5

Attributes

reg_key
8289f10decadc2243138145a3d36e9b5
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
3600	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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6a8c965281056303b644b31fc4aa6080.exe

Executes dropped EXE 1 IoCs

pid	Process
2188	csrcc.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8289f10decadc2243138145a3d36e9b5 = "\"C:\\Users\\Admin\\AppData\\Roaming\\csrcc.exe\" .."	csrcc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8289f10decadc2243138145a3d36e9b5 = "\"C:\\Users\\Admin\\AppData\\Roaming\\csrcc.exe\" .."	csrcc.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\security.config.cch.new	JaffaCakes118_6a8c965281056303b644b31fc4aa6080.exe
File created	C:\Windows\Microsoft.NET\Framework64\v2.0.50727\config\enterprisesec.config.cch.new	JaffaCakes118_6a8c965281056303b644b31fc4aa6080.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\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2188	csrcc.exe
Token: 33	2188	csrcc.exe
Token: SeIncBasePriorityPrivilege	2188	csrcc.exe
Token: 33	2188	csrcc.exe
Token: SeIncBasePriorityPrivilege	2188	csrcc.exe
Token: 33	2188	csrcc.exe
Token: SeIncBasePriorityPrivilege	2188	csrcc.exe
Token: 33	2188	csrcc.exe
Token: SeIncBasePriorityPrivilege	2188	csrcc.exe
Token: 33	2188	csrcc.exe
Token: SeIncBasePriorityPrivilege	2188	csrcc.exe
Token: 33	2188	csrcc.exe
Token: SeIncBasePriorityPrivilege	2188	csrcc.exe
Token: 33	2188	csrcc.exe
Token: SeIncBasePriorityPrivilege	2188	csrcc.exe
Token: 33	2188	csrcc.exe
Token: SeIncBasePriorityPrivilege	2188	csrcc.exe
Token: 33	2188	csrcc.exe
Token: SeIncBasePriorityPrivilege	2188	csrcc.exe
Token: 33	2188	csrcc.exe
Token: SeIncBasePriorityPrivilege	2188	csrcc.exe
Token: 33	2188	csrcc.exe
Token: SeIncBasePriorityPrivilege	2188	csrcc.exe
Token: 33	2188	csrcc.exe
Token: SeIncBasePriorityPrivilege	2188	csrcc.exe
Token: 33	2188	csrcc.exe
Token: SeIncBasePriorityPrivilege	2188	csrcc.exe
Token: 33	2188	csrcc.exe
Token: SeIncBasePriorityPrivilege	2188	csrcc.exe
Token: 33	2188	csrcc.exe
Token: SeIncBasePriorityPrivilege	2188	csrcc.exe
Token: 33	2188	csrcc.exe
Token: SeIncBasePriorityPrivilege	2188	csrcc.exe
Token: 33	2188	csrcc.exe
Token: SeIncBasePriorityPrivilege	2188	csrcc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 2188	544	JaffaCakes118_6a8c965281056303b644b31fc4aa6080.exe	82
PID 544 wrote to memory of 2188	544	JaffaCakes118_6a8c965281056303b644b31fc4aa6080.exe	82
PID 2188 wrote to memory of 3600	2188	csrcc.exe	88
PID 2188 wrote to memory of 3600	2188	csrcc.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a8c965281056303b644b31fc4aa6080.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a8c965281056303b644b31fc4aa6080.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:544
- C:\Users\Admin\AppData\Roaming\csrcc.exe
  "C:\Users\Admin\AppData\Roaming\csrcc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2188
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\csrcc.exe" "csrcc.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:3600

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\csrcc.exe

Filesize
69KB

MD5
6a8c965281056303b644b31fc4aa6080

SHA1
9c2d82178da83916f18a074b34ca23da574daacb

SHA256
d5cf78c53b8357164077ee44e8c0b237c2b75efd06961e9549fbea110a2de053

SHA512
cab33f86a9efc3edd6402a117077655a72ac04515aa62132919a1046ddae57e1b9f279dc9fb668258d583285a088420f96c10ba0362255f1655731c12b8e6b4a

Download Submit
memory/544-26-0x00007FFCCA625000-0x00007FFCCA626000-memory.dmp

Filesize
4KB

Download
memory/544-27-0x00007FFCCA370000-0x00007FFCCAD11000-memory.dmp

Filesize
9.6MB

Download
memory/544-3-0x0000000001030000-0x000000000103C000-memory.dmp

Filesize
48KB

Download
memory/544-4-0x0000000000FD0000-0x0000000000FDC000-memory.dmp

Filesize
48KB

Download
memory/544-28-0x00007FFCCA370000-0x00007FFCCAD11000-memory.dmp

Filesize
9.6MB

Download
memory/544-6-0x000000001BF60000-0x000000001C42E000-memory.dmp

Filesize
4.8MB

Download
memory/544-2-0x00007FFCCA370000-0x00007FFCCAD11000-memory.dmp

Filesize
9.6MB

Download
memory/544-1-0x00007FFCCA370000-0x00007FFCCAD11000-memory.dmp

Filesize
9.6MB

Download
memory/544-5-0x000000001B9E0000-0x000000001BA86000-memory.dmp

Filesize
664KB

Download
memory/544-0-0x00007FFCCA625000-0x00007FFCCA626000-memory.dmp

Filesize
4KB

Download
memory/2188-21-0x00007FFCCA370000-0x00007FFCCAD11000-memory.dmp

Filesize
9.6MB

Download
memory/2188-25-0x00007FFCCA370000-0x00007FFCCAD11000-memory.dmp

Filesize
9.6MB

Download
memory/2188-22-0x00007FFCCA370000-0x00007FFCCAD11000-memory.dmp

Filesize
9.6MB

Download
memory/2188-29-0x000000001C720000-0x000000001C7BC000-memory.dmp

Filesize
624KB

Download
memory/2188-30-0x000000001B820000-0x000000001B828000-memory.dmp

Filesize
32KB

Download
memory/2188-31-0x00007FFCCA370000-0x00007FFCCAD11000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads