njrat | 0b6d2b4bf74a0048a6d821df552c051e057b0da06e1fab32135aa69a48d767c3

General

Target

0b6d2b4bf74a0048a6d821df552c051e057b0da06e1fab32135aa69a48d767c3.exe
Size

23KB
MD5

f38eeb8a929f0c74c244d08f4f8a18c0
SHA1

d42402a74afe51da9382ce886480e2ffa13d6b9e
SHA256

0b6d2b4bf74a0048a6d821df552c051e057b0da06e1fab32135aa69a48d767c3
SHA512

b18ecfcc8dee4c72f464622df142044281bb1f310ee4606d9cb45c090db496e5342dd94fb554f7bda7ddba6e11acdc005a0e581673eddf6e541973646bfb8c68
SSDEEP

384:MMQ+SAN7uprgvM5OSUswZXg69gbm4hfpFmRvR6JZlbw8hqIusZzZ7Fm:yOaxVULRpcnu7

Score

10^/10

njrat fazhakerdz evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

fazhakerdz

C2

fazoro25.ddns.net:5553

Mutex

e8c5bf93b369a6542ba3616799921a9d

Attributes

reg_key
e8c5bf93b369a6542ba3616799921a9d
splitter
|'|'|

Signatures

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

Processes:

avast.exe

pid process

1316 avast.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

432 netsh.exe

pid	process
1316	avast.exe

pid	process
432	netsh.exe

Drops startup file 2 IoCs

Processes:

avast.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e8c5bf93b369a6542ba3616799921a9d.exe	avast.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e8c5bf93b369a6542ba3616799921a9d.exe	avast.exe

Loads dropped DLL 1 IoCs

Processes:

0b6d2b4bf74a0048a6d821df552c051e057b0da06e1fab32135aa69a48d767c3.exe

pid process

1348 0b6d2b4bf74a0048a6d821df552c051e057b0da06e1fab32135aa69a48d767c3.exe

pid	process
1348	0b6d2b4bf74a0048a6d821df552c051e057b0da06e1fab32135aa69a48d767c3.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

avast.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\e8c5bf93b369a6542ba3616799921a9d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\avast.exe\" .."	avast.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\e8c5bf93b369a6542ba3616799921a9d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\avast.exe\" .."	avast.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 19 IoCs

Processes:

avast.exe

description	pid	process
Token: SeDebugPrivilege	1316	avast.exe
Token: 33	1316	avast.exe
Token: SeIncBasePriorityPrivilege	1316	avast.exe
Token: 33	1316	avast.exe
Token: SeIncBasePriorityPrivilege	1316	avast.exe
Token: 33	1316	avast.exe
Token: SeIncBasePriorityPrivilege	1316	avast.exe
Token: 33	1316	avast.exe
Token: SeIncBasePriorityPrivilege	1316	avast.exe
Token: 33	1316	avast.exe
Token: SeIncBasePriorityPrivilege	1316	avast.exe
Token: 33	1316	avast.exe
Token: SeIncBasePriorityPrivilege	1316	avast.exe
Token: 33	1316	avast.exe
Token: SeIncBasePriorityPrivilege	1316	avast.exe
Token: 33	1316	avast.exe
Token: SeIncBasePriorityPrivilege	1316	avast.exe
Token: 33	1316	avast.exe
Token: SeIncBasePriorityPrivilege	1316	avast.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

0b6d2b4bf74a0048a6d821df552c051e057b0da06e1fab32135aa69a48d767c3.exeavast.exe

description	pid	process	target process
PID 1348 wrote to memory of 1316	1348	0b6d2b4bf74a0048a6d821df552c051e057b0da06e1fab32135aa69a48d767c3.exe	avast.exe
PID 1348 wrote to memory of 1316	1348	0b6d2b4bf74a0048a6d821df552c051e057b0da06e1fab32135aa69a48d767c3.exe	avast.exe
PID 1348 wrote to memory of 1316	1348	0b6d2b4bf74a0048a6d821df552c051e057b0da06e1fab32135aa69a48d767c3.exe	avast.exe
PID 1348 wrote to memory of 1316	1348	0b6d2b4bf74a0048a6d821df552c051e057b0da06e1fab32135aa69a48d767c3.exe	avast.exe
PID 1316 wrote to memory of 432	1316	avast.exe	netsh.exe
PID 1316 wrote to memory of 432	1316	avast.exe	netsh.exe
PID 1316 wrote to memory of 432	1316	avast.exe	netsh.exe
PID 1316 wrote to memory of 432	1316	avast.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\0b6d2b4bf74a0048a6d821df552c051e057b0da06e1fab32135aa69a48d767c3.exe
"C:\Users\Admin\AppData\Local\Temp\0b6d2b4bf74a0048a6d821df552c051e057b0da06e1fab32135aa69a48d767c3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1348

C:\Users\Admin\AppData\Local\Temp\avast.exe
"C:\Users\Admin\AppData\Local\Temp\avast.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1316

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\avast.exe" "avast.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:432

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\avast.exe

Filesize
23KB

MD5
f38eeb8a929f0c74c244d08f4f8a18c0

SHA1
d42402a74afe51da9382ce886480e2ffa13d6b9e

SHA256
0b6d2b4bf74a0048a6d821df552c051e057b0da06e1fab32135aa69a48d767c3

SHA512
b18ecfcc8dee4c72f464622df142044281bb1f310ee4606d9cb45c090db496e5342dd94fb554f7bda7ddba6e11acdc005a0e581673eddf6e541973646bfb8c68

Download Submit
C:\Users\Admin\AppData\Local\Temp\avast.exe

Filesize
23KB

MD5
f38eeb8a929f0c74c244d08f4f8a18c0

SHA1
d42402a74afe51da9382ce886480e2ffa13d6b9e

SHA256
0b6d2b4bf74a0048a6d821df552c051e057b0da06e1fab32135aa69a48d767c3

SHA512
b18ecfcc8dee4c72f464622df142044281bb1f310ee4606d9cb45c090db496e5342dd94fb554f7bda7ddba6e11acdc005a0e581673eddf6e541973646bfb8c68

Download Submit
\Users\Admin\AppData\Local\Temp\avast.exe

Filesize
23KB

MD5
f38eeb8a929f0c74c244d08f4f8a18c0

SHA1
d42402a74afe51da9382ce886480e2ffa13d6b9e

SHA256
0b6d2b4bf74a0048a6d821df552c051e057b0da06e1fab32135aa69a48d767c3

SHA512
b18ecfcc8dee4c72f464622df142044281bb1f310ee4606d9cb45c090db496e5342dd94fb554f7bda7ddba6e11acdc005a0e581673eddf6e541973646bfb8c68

Download Submit
memory/432-63-0x0000000000000000-mapping.dmp

Download
memory/1316-57-0x0000000000000000-mapping.dmp

Download
memory/1316-61-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/1316-65-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/1348-54-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1348-55-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download
memory/1348-62-0x0000000074500000-0x0000000074AAB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads