njrat | 1f244c4c093c1daa7c24d73eac62b3279032ef3f90e6ba0c29a82d0307e87f59

Analysis

max time kernel
151s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
16/10/2022, 02:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

221332d0df66d7228d91fc8cdb18afb1.exe
Size

23KB
MD5

221332d0df66d7228d91fc8cdb18afb1
SHA1

a778920c01d5d2ed184911cd9910021b73745d5b
SHA256

1f244c4c093c1daa7c24d73eac62b3279032ef3f90e6ba0c29a82d0307e87f59
SHA512

8b5e71a09308592461fa1b4ddc8f5266ced5c10928ddf9a8a72602b20d19364c21940799973b6c7f39f03ad029cfcdced9340f150a8942b6c0b85916ced35d33
SSDEEP

384:RBQeCo2zmZbQHkJeCdUwBvQ61gjuQBnB9mRvR6JZlbw8hqIusZzZ3D:RW5yBVd7Rpcnug

Score

10^/10

njrat evasion persistence trojan

Malware Config

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
2360	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\270a1b4b8ae7d5a0617ba79d8875cccf.exe	221332d0df66d7228d91fc8cdb18afb1.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\270a1b4b8ae7d5a0617ba79d8875cccf.exe	221332d0df66d7228d91fc8cdb18afb1.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\270a1b4b8ae7d5a0617ba79d8875cccf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\221332d0df66d7228d91fc8cdb18afb1.exe\" .."	221332d0df66d7228d91fc8cdb18afb1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\270a1b4b8ae7d5a0617ba79d8875cccf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\221332d0df66d7228d91fc8cdb18afb1.exe\" .."	221332d0df66d7228d91fc8cdb18afb1.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: 33	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: SeIncBasePriorityPrivilege	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: 33	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: SeIncBasePriorityPrivilege	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: 33	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: SeIncBasePriorityPrivilege	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: 33	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: SeIncBasePriorityPrivilege	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: 33	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: SeIncBasePriorityPrivilege	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: 33	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: SeIncBasePriorityPrivilege	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: 33	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: SeIncBasePriorityPrivilege	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: 33	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: SeIncBasePriorityPrivilege	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: 33	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: SeIncBasePriorityPrivilege	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: 33	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: SeIncBasePriorityPrivilege	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: 33	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: SeIncBasePriorityPrivilege	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: 33	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: SeIncBasePriorityPrivilege	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: 33	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: SeIncBasePriorityPrivilege	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: 33	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: SeIncBasePriorityPrivilege	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: 33	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: SeIncBasePriorityPrivilege	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: 33	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: SeIncBasePriorityPrivilege	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: 33	4840	221332d0df66d7228d91fc8cdb18afb1.exe
Token: SeIncBasePriorityPrivilege	4840	221332d0df66d7228d91fc8cdb18afb1.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 2360	4840	221332d0df66d7228d91fc8cdb18afb1.exe	85
PID 4840 wrote to memory of 2360	4840	221332d0df66d7228d91fc8cdb18afb1.exe	85
PID 4840 wrote to memory of 2360	4840	221332d0df66d7228d91fc8cdb18afb1.exe	85

C:\Users\Admin\AppData\Local\Temp\221332d0df66d7228d91fc8cdb18afb1.exe
"C:\Users\Admin\AppData\Local\Temp\221332d0df66d7228d91fc8cdb18afb1.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4840
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\221332d0df66d7228d91fc8cdb18afb1.exe" "221332d0df66d7228d91fc8cdb18afb1.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  PID:2360

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4840-132-0x00000000752E0000-0x0000000075891000-memory.dmp

Filesize
5.7MB

Download
memory/4840-134-0x00000000752E0000-0x0000000075891000-memory.dmp

Filesize
5.7MB

Download