njrat | 66c5a25825f3442d9026c9cbc2a73eb7eb77997bd23a7d41580a6cf5082db7de

General

Target

JaffaCakes118_60553169ab3026400e783d6b4ad2f620.exe
Size

319KB
MD5

60553169ab3026400e783d6b4ad2f620
SHA1

1e657aa6493a64aa525a8f79140f799e1438d637
SHA256

66c5a25825f3442d9026c9cbc2a73eb7eb77997bd23a7d41580a6cf5082db7de
SHA512

276fcc856f225802ef9fe7e4f50125e10780815218f4d96ecfd5e0427c8023deacece3b4288d6cc1bbf901a355632a5c37cad3050c8b683e33e5bf59bb141c01
SSDEEP

6144:/qAOf3BfK7CHdtNy9vcPaS8K3qO4zD4In/DDYllhl3G:/Xk3Bfq4PSEPffqO4Y2/DDil2

Score

10^/10

njrat n-v evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

N-V

C2

3elwa.no-ip.org:5588

Mutex

9dc7d817b9ca7ae872937725c020b0cc

Attributes

reg_key
9dc7d817b9ca7ae872937725c020b0cc
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
2756	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_60553169ab3026400e783d6b4ad2f620.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9dc7d817b9ca7ae872937725c020b0cc.exe	chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\9dc7d817b9ca7ae872937725c020b0cc.exe	chrome.exe

Executes dropped EXE 1 IoCs

pid	Process
1372	chrome.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\9dc7d817b9ca7ae872937725c020b0cc = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .."	chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9dc7d817b9ca7ae872937725c020b0cc = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\chrome.exe\" .."	chrome.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	1372	chrome.exe
Token: 33	1372	chrome.exe
Token: SeIncBasePriorityPrivilege	1372	chrome.exe
Token: 33	1372	chrome.exe
Token: SeIncBasePriorityPrivilege	1372	chrome.exe
Token: 33	1372	chrome.exe
Token: SeIncBasePriorityPrivilege	1372	chrome.exe
Token: 33	1372	chrome.exe
Token: SeIncBasePriorityPrivilege	1372	chrome.exe
Token: 33	1372	chrome.exe
Token: SeIncBasePriorityPrivilege	1372	chrome.exe
Token: 33	1372	chrome.exe
Token: SeIncBasePriorityPrivilege	1372	chrome.exe
Token: 33	1372	chrome.exe
Token: SeIncBasePriorityPrivilege	1372	chrome.exe
Token: 33	1372	chrome.exe
Token: SeIncBasePriorityPrivilege	1372	chrome.exe
Token: 33	1372	chrome.exe
Token: SeIncBasePriorityPrivilege	1372	chrome.exe
Token: 33	1372	chrome.exe
Token: SeIncBasePriorityPrivilege	1372	chrome.exe
Token: 33	1372	chrome.exe
Token: SeIncBasePriorityPrivilege	1372	chrome.exe
Token: 33	1372	chrome.exe
Token: SeIncBasePriorityPrivilege	1372	chrome.exe
Token: 33	1372	chrome.exe
Token: SeIncBasePriorityPrivilege	1372	chrome.exe
Token: 33	1372	chrome.exe
Token: SeIncBasePriorityPrivilege	1372	chrome.exe
Token: 33	1372	chrome.exe
Token: SeIncBasePriorityPrivilege	1372	chrome.exe
Token: 33	1372	chrome.exe
Token: SeIncBasePriorityPrivilege	1372	chrome.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 1372	2412	JaffaCakes118_60553169ab3026400e783d6b4ad2f620.exe	82
PID 2412 wrote to memory of 1372	2412	JaffaCakes118_60553169ab3026400e783d6b4ad2f620.exe	82
PID 1372 wrote to memory of 2756	1372	chrome.exe	83
PID 1372 wrote to memory of 2756	1372	chrome.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60553169ab3026400e783d6b4ad2f620.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60553169ab3026400e783d6b4ad2f620.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Users\Admin\AppData\Local\Temp\chrome.exe
  "C:\Users\Admin\AppData\Local\Temp\chrome.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1372
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\chrome.exe" "chrome.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2756

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\Local\Temp\chrome.exe

Filesize
319KB

MD5
60553169ab3026400e783d6b4ad2f620

SHA1
1e657aa6493a64aa525a8f79140f799e1438d637

SHA256
66c5a25825f3442d9026c9cbc2a73eb7eb77997bd23a7d41580a6cf5082db7de

SHA512
276fcc856f225802ef9fe7e4f50125e10780815218f4d96ecfd5e0427c8023deacece3b4288d6cc1bbf901a355632a5c37cad3050c8b683e33e5bf59bb141c01

Download Submit
memory/1372-28-0x00007FFDB5640000-0x00007FFDB6101000-memory.dmp

Filesize
10.8MB

Download
memory/1372-27-0x00007FFDB5640000-0x00007FFDB6101000-memory.dmp

Filesize
10.8MB

Download
memory/1372-25-0x00007FFDB5640000-0x00007FFDB6101000-memory.dmp

Filesize
10.8MB

Download
memory/1372-24-0x00007FFDB5640000-0x00007FFDB6101000-memory.dmp

Filesize
10.8MB

Download
memory/2412-7-0x0000000001150000-0x0000000001158000-memory.dmp

Filesize
32KB

Download
memory/2412-6-0x00000000010F0000-0x00000000010F8000-memory.dmp

Filesize
32KB

Download
memory/2412-8-0x0000000001270000-0x0000000001278000-memory.dmp

Filesize
32KB

Download
memory/2412-0-0x00007FFDB5643000-0x00007FFDB5645000-memory.dmp

Filesize
8KB

Download
memory/2412-9-0x0000000001280000-0x0000000001288000-memory.dmp

Filesize
32KB

Download
memory/2412-10-0x0000000001290000-0x000000000129C000-memory.dmp

Filesize
48KB

Download
memory/2412-5-0x00000000010E0000-0x00000000010EA000-memory.dmp

Filesize
40KB

Download
memory/2412-23-0x00007FFDB5640000-0x00007FFDB6101000-memory.dmp

Filesize
10.8MB

Download
memory/2412-4-0x00007FFDB5640000-0x00007FFDB6101000-memory.dmp

Filesize
10.8MB

Download
memory/2412-3-0x0000000001110000-0x0000000001150000-memory.dmp

Filesize
256KB

Download
memory/2412-2-0x00000000010B0000-0x00000000010CC000-memory.dmp

Filesize
112KB

Download
memory/2412-1-0x00000000008C0000-0x0000000000916000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads