njrat | f584cfad98b43127b4926e288402c3f378355f3f4a8542a366081beff470fc07

General

Target

f584cfad98b43127b4926e288402c3f378355f3f4a8542a366081beff470fc07.exe
Size

23KB
MD5

50d5a3fd05dd566e0a74d5e0ea7f1ac8
SHA1

33262c57bab468629d622047204daa8abdb90058
SHA256

f584cfad98b43127b4926e288402c3f378355f3f4a8542a366081beff470fc07
SHA512

a0c272b2e0d3d031c654a6f0481304dafbafd4a73d3fcd9f3e6e009272c477f0d887d523ee768b861f5e228b1c4f72f905398885951ee0ba33538e5d3b65f0d8
SSDEEP

384:+Gwz6+T4IjWZFNwXU0eiNUB+vt6NgT+lLOhXxQmRvR6JZlbw8hqIusZzZtc:qTbC81NNRpcnuF

Score

10^/10

njrat 4 evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

4

C2

kadimon1.no-ip.info:5243

Mutex

20b288331ea1f38d82005df62f97b2b1

Attributes

reg_key
20b288331ea1f38d82005df62f97b2b1
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

win.exe

pid process

1536 win.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1380 netsh.exe
Loads dropped DLL 1 IoCs

Processes:

f584cfad98b43127b4926e288402c3f378355f3f4a8542a366081beff470fc07.exe

pid process

1776 f584cfad98b43127b4926e288402c3f378355f3f4a8542a366081beff470fc07.exe

pid	process
1536	win.exe

pid	process
1380	netsh.exe

pid	process
1776	f584cfad98b43127b4926e288402c3f378355f3f4a8542a366081beff470fc07.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

win.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\20b288331ea1f38d82005df62f97b2b1 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\win.exe\" .."	win.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\20b288331ea1f38d82005df62f97b2b1 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\win.exe\" .."	win.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

win.exe

description	pid	process
Token: SeDebugPrivilege	1536	win.exe
Token: 33	1536	win.exe
Token: SeIncBasePriorityPrivilege	1536	win.exe
Token: 33	1536	win.exe
Token: SeIncBasePriorityPrivilege	1536	win.exe
Token: 33	1536	win.exe
Token: SeIncBasePriorityPrivilege	1536	win.exe
Token: 33	1536	win.exe
Token: SeIncBasePriorityPrivilege	1536	win.exe
Token: 33	1536	win.exe
Token: SeIncBasePriorityPrivilege	1536	win.exe
Token: 33	1536	win.exe
Token: SeIncBasePriorityPrivilege	1536	win.exe
Token: 33	1536	win.exe
Token: SeIncBasePriorityPrivilege	1536	win.exe
Token: 33	1536	win.exe
Token: SeIncBasePriorityPrivilege	1536	win.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

f584cfad98b43127b4926e288402c3f378355f3f4a8542a366081beff470fc07.exewin.exe

description	pid	process	target process
PID 1776 wrote to memory of 1536	1776	f584cfad98b43127b4926e288402c3f378355f3f4a8542a366081beff470fc07.exe	win.exe
PID 1776 wrote to memory of 1536	1776	f584cfad98b43127b4926e288402c3f378355f3f4a8542a366081beff470fc07.exe	win.exe
PID 1776 wrote to memory of 1536	1776	f584cfad98b43127b4926e288402c3f378355f3f4a8542a366081beff470fc07.exe	win.exe
PID 1776 wrote to memory of 1536	1776	f584cfad98b43127b4926e288402c3f378355f3f4a8542a366081beff470fc07.exe	win.exe
PID 1536 wrote to memory of 1380	1536	win.exe	netsh.exe
PID 1536 wrote to memory of 1380	1536	win.exe	netsh.exe
PID 1536 wrote to memory of 1380	1536	win.exe	netsh.exe
PID 1536 wrote to memory of 1380	1536	win.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\f584cfad98b43127b4926e288402c3f378355f3f4a8542a366081beff470fc07.exe
"C:\Users\Admin\AppData\Local\Temp\f584cfad98b43127b4926e288402c3f378355f3f4a8542a366081beff470fc07.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1776

C:\Users\Admin\AppData\Local\Temp\win.exe
"C:\Users\Admin\AppData\Local\Temp\win.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1536

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\win.exe" "win.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1380

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\win.exe
Filesize
23KB

MD5
50d5a3fd05dd566e0a74d5e0ea7f1ac8

SHA1
33262c57bab468629d622047204daa8abdb90058

SHA256
f584cfad98b43127b4926e288402c3f378355f3f4a8542a366081beff470fc07

SHA512
a0c272b2e0d3d031c654a6f0481304dafbafd4a73d3fcd9f3e6e009272c477f0d887d523ee768b861f5e228b1c4f72f905398885951ee0ba33538e5d3b65f0d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\win.exe
Filesize
23KB

MD5
50d5a3fd05dd566e0a74d5e0ea7f1ac8

SHA1
33262c57bab468629d622047204daa8abdb90058

SHA256
f584cfad98b43127b4926e288402c3f378355f3f4a8542a366081beff470fc07

SHA512
a0c272b2e0d3d031c654a6f0481304dafbafd4a73d3fcd9f3e6e009272c477f0d887d523ee768b861f5e228b1c4f72f905398885951ee0ba33538e5d3b65f0d8

Download Submit
\Users\Admin\AppData\Local\Temp\win.exe
Filesize
23KB

MD5
50d5a3fd05dd566e0a74d5e0ea7f1ac8

SHA1
33262c57bab468629d622047204daa8abdb90058

SHA256
f584cfad98b43127b4926e288402c3f378355f3f4a8542a366081beff470fc07

SHA512
a0c272b2e0d3d031c654a6f0481304dafbafd4a73d3fcd9f3e6e009272c477f0d887d523ee768b861f5e228b1c4f72f905398885951ee0ba33538e5d3b65f0d8

Download Submit
memory/1380-63-0x0000000000000000-mapping.dmp

Download
memory/1536-57-0x0000000000000000-mapping.dmp

Download
memory/1536-62-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/1536-64-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/1776-54-0x0000000075521000-0x0000000075523000-memory.dmp

Filesize
8KB

Download
memory/1776-55-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download
memory/1776-61-0x00000000745A0000-0x0000000074B4B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads