njrat | 4f76232b0a33d19527d88d9c2c5d0134bee65501122a21acb8ae6ec48903e45f

General

Target

5ea52f0824d8cdf4dd40c3e007a1bafa_JaffaCakes118.exe
Size

23KB
MD5

5ea52f0824d8cdf4dd40c3e007a1bafa
SHA1

d5058b117ce1c2b0d4277a28da403e954b97545c
SHA256

4f76232b0a33d19527d88d9c2c5d0134bee65501122a21acb8ae6ec48903e45f
SHA512

275f02c636dff7505eb23d7eeddc4e34e364093887224a1040f7c9bfeea5298a2b95869d1146fc32abc141cef723efc1f1c4a48da155e15476176ba44ccb7441
SSDEEP

384:OwTSiYWD2Z7w3CsJeiecwJ3fw6FgzeAh33RtmRvR6JZlbw8hqIusZzZ9M:lvZiBK1edJRpcnu9

Score

10^/10

njrat victime evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

VICTIME

C2

vendetta2020.ddns.net:5552

Mutex

8541e6390ca03a5ae76a86b0f2df0b93

Attributes

reg_key
8541e6390ca03a5ae76a86b0f2df0b93
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

2660 netsh.exe
Executes dropped EXE 1 IoCs

Processes:

chrome.exe

pid process

2856 chrome.exe
Loads dropped DLL 1 IoCs

Processes:

5ea52f0824d8cdf4dd40c3e007a1bafa_JaffaCakes118.exe

pid process

1804 5ea52f0824d8cdf4dd40c3e007a1bafa_JaffaCakes118.exe

pid	process
2660	netsh.exe

pid	process
2856	chrome.exe

pid	process
1804	5ea52f0824d8cdf4dd40c3e007a1bafa_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

chrome.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\8541e6390ca03a5ae76a86b0f2df0b93 = "\"C:\\Users\\Admin\\AppData\\Roaming\\chrome.exe\" .."	chrome.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\8541e6390ca03a5ae76a86b0f2df0b93 = "\"C:\\Users\\Admin\\AppData\\Roaming\\chrome.exe\" .."	chrome.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:

chrome.exe

description	pid	process
Token: SeDebugPrivilege	2856	chrome.exe
Token: 33	2856	chrome.exe
Token: SeIncBasePriorityPrivilege	2856	chrome.exe
Token: 33	2856	chrome.exe
Token: SeIncBasePriorityPrivilege	2856	chrome.exe
Token: 33	2856	chrome.exe
Token: SeIncBasePriorityPrivilege	2856	chrome.exe
Token: 33	2856	chrome.exe
Token: SeIncBasePriorityPrivilege	2856	chrome.exe
Token: 33	2856	chrome.exe
Token: SeIncBasePriorityPrivilege	2856	chrome.exe
Token: 33	2856	chrome.exe
Token: SeIncBasePriorityPrivilege	2856	chrome.exe
Token: 33	2856	chrome.exe
Token: SeIncBasePriorityPrivilege	2856	chrome.exe
Token: 33	2856	chrome.exe
Token: SeIncBasePriorityPrivilege	2856	chrome.exe
Token: 33	2856	chrome.exe
Token: SeIncBasePriorityPrivilege	2856	chrome.exe
Token: 33	2856	chrome.exe
Token: SeIncBasePriorityPrivilege	2856	chrome.exe
Token: 33	2856	chrome.exe
Token: SeIncBasePriorityPrivilege	2856	chrome.exe
Token: 33	2856	chrome.exe
Token: SeIncBasePriorityPrivilege	2856	chrome.exe
Token: 33	2856	chrome.exe
Token: SeIncBasePriorityPrivilege	2856	chrome.exe
Token: 33	2856	chrome.exe
Token: SeIncBasePriorityPrivilege	2856	chrome.exe
Token: 33	2856	chrome.exe
Token: SeIncBasePriorityPrivilege	2856	chrome.exe
Token: 33	2856	chrome.exe
Token: SeIncBasePriorityPrivilege	2856	chrome.exe
Token: 33	2856	chrome.exe
Token: SeIncBasePriorityPrivilege	2856	chrome.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

5ea52f0824d8cdf4dd40c3e007a1bafa_JaffaCakes118.exechrome.exe

description	pid	process	target process
PID 1804 wrote to memory of 2856	1804	5ea52f0824d8cdf4dd40c3e007a1bafa_JaffaCakes118.exe	chrome.exe
PID 1804 wrote to memory of 2856	1804	5ea52f0824d8cdf4dd40c3e007a1bafa_JaffaCakes118.exe	chrome.exe
PID 1804 wrote to memory of 2856	1804	5ea52f0824d8cdf4dd40c3e007a1bafa_JaffaCakes118.exe	chrome.exe
PID 1804 wrote to memory of 2856	1804	5ea52f0824d8cdf4dd40c3e007a1bafa_JaffaCakes118.exe	chrome.exe
PID 2856 wrote to memory of 2660	2856	chrome.exe	netsh.exe
PID 2856 wrote to memory of 2660	2856	chrome.exe	netsh.exe
PID 2856 wrote to memory of 2660	2856	chrome.exe	netsh.exe
PID 2856 wrote to memory of 2660	2856	chrome.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\5ea52f0824d8cdf4dd40c3e007a1bafa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5ea52f0824d8cdf4dd40c3e007a1bafa_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1804

C:\Users\Admin\AppData\Roaming\chrome.exe
"C:\Users\Admin\AppData\Roaming\chrome.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2856

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\chrome.exe" "chrome.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:2660

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Roaming\chrome.exe
Filesize
23KB

MD5
5ea52f0824d8cdf4dd40c3e007a1bafa

SHA1
d5058b117ce1c2b0d4277a28da403e954b97545c

SHA256
4f76232b0a33d19527d88d9c2c5d0134bee65501122a21acb8ae6ec48903e45f

SHA512
275f02c636dff7505eb23d7eeddc4e34e364093887224a1040f7c9bfeea5298a2b95869d1146fc32abc141cef723efc1f1c4a48da155e15476176ba44ccb7441

Download Submit
memory/1804-0-0x0000000074811000-0x0000000074812000-memory.dmp

Filesize
4KB

Download
memory/1804-1-0x0000000074810000-0x0000000074DBB000-memory.dmp

Filesize
5.7MB

Download
memory/1804-2-0x0000000074810000-0x0000000074DBB000-memory.dmp

Filesize
5.7MB

Download
memory/1804-11-0x0000000074810000-0x0000000074DBB000-memory.dmp

Filesize
5.7MB

Download
memory/2856-10-0x0000000074810000-0x0000000074DBB000-memory.dmp

Filesize
5.7MB

Download
memory/2856-12-0x0000000074810000-0x0000000074DBB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads