njrat | 6dab93d7c188f7babd344275a1aa483b56b46233a916f17a385d1fa054f21bdd

General

Target

JaffaCakes118_6a3b27021528bc1786155803f952cf10.exe
Size

110KB
MD5

6a3b27021528bc1786155803f952cf10
SHA1

3b9eced4d0c0d971746d0f5ea126f8a742c9177a
SHA256

6dab93d7c188f7babd344275a1aa483b56b46233a916f17a385d1fa054f21bdd
SHA512

3933cb57e2ba314f514b06d99915b734e192d63de2db2d136c0bb780a61c5adf1e563d3105c7e62ea763f42aaa15d5169d9bffd3f766f17932c07f662fc1f092
SSDEEP

1536:wuMAF/BmXiQzC88bf3SmujOUB/kf4r60e4XV5vGuQnzUY9U:JMAFBmSQX8f3Smu6UBW0e4fvGSY9U

Score

10^/10

njrat tofi tez evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

tofi tez

C2

hayderblack.no-ip.org:5552

Mutex

29e67d535bbea5abd36c1591e4f72187

Attributes

reg_key
29e67d535bbea5abd36c1591e4f72187
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
364	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6a3b27021528bc1786155803f952cf10.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\29e67d535bbea5abd36c1591e4f72187.exe	System.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\29e67d535bbea5abd36c1591e4f72187.exe	System.exe

Executes dropped EXE 1 IoCs

pid	Process
3212	System.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\29e67d535bbea5abd36c1591e4f72187 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System.exe\" .."	System.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\29e67d535bbea5abd36c1591e4f72187 = "\"C:\\Users\\Admin\\AppData\\Roaming\\System.exe\" .."	System.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 queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	3212	System.exe
Token: 33	3212	System.exe
Token: SeIncBasePriorityPrivilege	3212	System.exe
Token: 33	3212	System.exe
Token: SeIncBasePriorityPrivilege	3212	System.exe
Token: 33	3212	System.exe
Token: SeIncBasePriorityPrivilege	3212	System.exe
Token: 33	3212	System.exe
Token: SeIncBasePriorityPrivilege	3212	System.exe
Token: 33	3212	System.exe
Token: SeIncBasePriorityPrivilege	3212	System.exe
Token: 33	3212	System.exe
Token: SeIncBasePriorityPrivilege	3212	System.exe
Token: 33	3212	System.exe
Token: SeIncBasePriorityPrivilege	3212	System.exe
Token: 33	3212	System.exe
Token: SeIncBasePriorityPrivilege	3212	System.exe
Token: 33	3212	System.exe
Token: SeIncBasePriorityPrivilege	3212	System.exe
Token: 33	3212	System.exe
Token: SeIncBasePriorityPrivilege	3212	System.exe
Token: 33	3212	System.exe
Token: SeIncBasePriorityPrivilege	3212	System.exe
Token: 33	3212	System.exe
Token: SeIncBasePriorityPrivilege	3212	System.exe
Token: 33	3212	System.exe
Token: SeIncBasePriorityPrivilege	3212	System.exe
Token: 33	3212	System.exe
Token: SeIncBasePriorityPrivilege	3212	System.exe
Token: 33	3212	System.exe
Token: SeIncBasePriorityPrivilege	3212	System.exe
Token: 33	3212	System.exe
Token: SeIncBasePriorityPrivilege	3212	System.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1208 wrote to memory of 3212	1208	JaffaCakes118_6a3b27021528bc1786155803f952cf10.exe	90
PID 1208 wrote to memory of 3212	1208	JaffaCakes118_6a3b27021528bc1786155803f952cf10.exe	90
PID 3212 wrote to memory of 364	3212	System.exe	98
PID 3212 wrote to memory of 364	3212	System.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a3b27021528bc1786155803f952cf10.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a3b27021528bc1786155803f952cf10.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Roaming\System.exe
  "C:\Users\Admin\AppData\Roaming\System.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3212
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\System.exe" "System.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:364

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\System.exe

Filesize
110KB

MD5
6a3b27021528bc1786155803f952cf10

SHA1
3b9eced4d0c0d971746d0f5ea126f8a742c9177a

SHA256
6dab93d7c188f7babd344275a1aa483b56b46233a916f17a385d1fa054f21bdd

SHA512
3933cb57e2ba314f514b06d99915b734e192d63de2db2d136c0bb780a61c5adf1e563d3105c7e62ea763f42aaa15d5169d9bffd3f766f17932c07f662fc1f092

Download Submit
memory/1208-10-0x00007FF9DCAE5000-0x00007FF9DCAE6000-memory.dmp

Filesize
4KB

Download
memory/1208-1-0x000000001B470000-0x000000001B516000-memory.dmp

Filesize
664KB

Download
memory/1208-3-0x000000001BAB0000-0x000000001BF7E000-memory.dmp

Filesize
4.8MB

Download
memory/1208-4-0x000000001BF80000-0x000000001C01C000-memory.dmp

Filesize
624KB

Download
memory/1208-5-0x0000000000DB0000-0x0000000000DB8000-memory.dmp

Filesize
32KB

Download
memory/1208-6-0x000000001C0E0000-0x000000001C12C000-memory.dmp

Filesize
304KB

Download
memory/1208-7-0x00007FF9DC830000-0x00007FF9DD1D1000-memory.dmp

Filesize
9.6MB

Download
memory/1208-8-0x00007FF9DC830000-0x00007FF9DD1D1000-memory.dmp

Filesize
9.6MB

Download
memory/1208-9-0x000000001C0D0000-0x000000001C0DA000-memory.dmp

Filesize
40KB

Download
memory/1208-0-0x00007FF9DCAE5000-0x00007FF9DCAE6000-memory.dmp

Filesize
4KB

Download
memory/1208-2-0x00007FF9DC830000-0x00007FF9DD1D1000-memory.dmp

Filesize
9.6MB

Download
memory/1208-25-0x00007FF9DC830000-0x00007FF9DD1D1000-memory.dmp

Filesize
9.6MB

Download
memory/1208-11-0x00007FF9DC830000-0x00007FF9DD1D1000-memory.dmp

Filesize
9.6MB

Download
memory/3212-24-0x00007FF9DC830000-0x00007FF9DD1D1000-memory.dmp

Filesize
9.6MB

Download
memory/3212-26-0x00007FF9DC830000-0x00007FF9DD1D1000-memory.dmp

Filesize
9.6MB

Download
memory/3212-27-0x00007FF9DC830000-0x00007FF9DD1D1000-memory.dmp

Filesize
9.6MB

Download
memory/3212-28-0x00007FF9DC830000-0x00007FF9DD1D1000-memory.dmp

Filesize
9.6MB

Download
memory/3212-29-0x00007FF9DC830000-0x00007FF9DD1D1000-memory.dmp

Filesize
9.6MB

Download
memory/3212-31-0x00007FF9DC830000-0x00007FF9DD1D1000-memory.dmp

Filesize
9.6MB

Download
memory/3212-32-0x00007FF9DC830000-0x00007FF9DD1D1000-memory.dmp

Filesize
9.6MB

Download
memory/3212-33-0x00007FF9DC830000-0x00007FF9DD1D1000-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