njrat | ef5ab7f0f4e7e83b532e082fe5c3458617f020b6b2ad6c83ffdb6f8ac2b1b37c

General

Target

ef5ab7f0f4e7e83b532e082fe5c3458617f020b6b2ad6c83ffdb6f8ac2b1b37c.exe
Size

23KB
MD5

6c1ca8fb6f463aa56f5f530480732880
SHA1

817e4ed0453ecccafb94e89725e263b1d23c2c07
SHA256

ef5ab7f0f4e7e83b532e082fe5c3458617f020b6b2ad6c83ffdb6f8ac2b1b37c
SHA512

048b7b4b58c87814d2c713c43550d6db214e417b24c7757db53828b52ee90235c423dee451d9a4a4a3ca673a92e119b89b5661bd025211e231a58018be234384
SSDEEP

384:8oWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZW5:r7O89p2rRpcnuR

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

radea.ddns.net:5552

Mutex

416b0a05138d6a81c601d80709573203

Attributes

reg_key
416b0a05138d6a81c601d80709573203
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
3212	22.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4052	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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	ef5ab7f0f4e7e83b532e082fe5c3458617f020b6b2ad6c83ffdb6f8ac2b1b37c.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\416b0a05138d6a81c601d80709573203 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\22.exe\" .."	22.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\416b0a05138d6a81c601d80709573203 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\22.exe\" .."	22.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 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	3212	22.exe
Token: 33	3212	22.exe
Token: SeIncBasePriorityPrivilege	3212	22.exe
Token: 33	3212	22.exe
Token: SeIncBasePriorityPrivilege	3212	22.exe
Token: 33	3212	22.exe
Token: SeIncBasePriorityPrivilege	3212	22.exe
Token: 33	3212	22.exe
Token: SeIncBasePriorityPrivilege	3212	22.exe
Token: 33	3212	22.exe
Token: SeIncBasePriorityPrivilege	3212	22.exe
Token: 33	3212	22.exe
Token: SeIncBasePriorityPrivilege	3212	22.exe
Token: 33	3212	22.exe
Token: SeIncBasePriorityPrivilege	3212	22.exe
Token: 33	3212	22.exe
Token: SeIncBasePriorityPrivilege	3212	22.exe
Token: 33	3212	22.exe
Token: SeIncBasePriorityPrivilege	3212	22.exe
Token: 33	3212	22.exe
Token: SeIncBasePriorityPrivilege	3212	22.exe
Token: 33	3212	22.exe
Token: SeIncBasePriorityPrivilege	3212	22.exe
Token: 33	3212	22.exe
Token: SeIncBasePriorityPrivilege	3212	22.exe
Token: 33	3212	22.exe
Token: SeIncBasePriorityPrivilege	3212	22.exe
Token: 33	3212	22.exe
Token: SeIncBasePriorityPrivilege	3212	22.exe
Token: 33	3212	22.exe
Token: SeIncBasePriorityPrivilege	3212	22.exe
Token: 33	3212	22.exe
Token: SeIncBasePriorityPrivilege	3212	22.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 756 wrote to memory of 3212	756	ef5ab7f0f4e7e83b532e082fe5c3458617f020b6b2ad6c83ffdb6f8ac2b1b37c.exe	81
PID 756 wrote to memory of 3212	756	ef5ab7f0f4e7e83b532e082fe5c3458617f020b6b2ad6c83ffdb6f8ac2b1b37c.exe	81
PID 756 wrote to memory of 3212	756	ef5ab7f0f4e7e83b532e082fe5c3458617f020b6b2ad6c83ffdb6f8ac2b1b37c.exe	81
PID 3212 wrote to memory of 4052	3212	22.exe	82
PID 3212 wrote to memory of 4052	3212	22.exe	82
PID 3212 wrote to memory of 4052	3212	22.exe	82

C:\Users\Admin\AppData\Local\Temp\ef5ab7f0f4e7e83b532e082fe5c3458617f020b6b2ad6c83ffdb6f8ac2b1b37c.exe
"C:\Users\Admin\AppData\Local\Temp\ef5ab7f0f4e7e83b532e082fe5c3458617f020b6b2ad6c83ffdb6f8ac2b1b37c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:756
- C:\Users\Admin\AppData\Local\Temp\22.exe
  "C:\Users\Admin\AppData\Local\Temp\22.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3212
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\22.exe" "22.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:4052

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\22.exe

Filesize
23KB

MD5
6c1ca8fb6f463aa56f5f530480732880

SHA1
817e4ed0453ecccafb94e89725e263b1d23c2c07

SHA256
ef5ab7f0f4e7e83b532e082fe5c3458617f020b6b2ad6c83ffdb6f8ac2b1b37c

SHA512
048b7b4b58c87814d2c713c43550d6db214e417b24c7757db53828b52ee90235c423dee451d9a4a4a3ca673a92e119b89b5661bd025211e231a58018be234384

Download Submit
C:\Users\Admin\AppData\Local\Temp\22.exe

Filesize
23KB

MD5
6c1ca8fb6f463aa56f5f530480732880

SHA1
817e4ed0453ecccafb94e89725e263b1d23c2c07

SHA256
ef5ab7f0f4e7e83b532e082fe5c3458617f020b6b2ad6c83ffdb6f8ac2b1b37c

SHA512
048b7b4b58c87814d2c713c43550d6db214e417b24c7757db53828b52ee90235c423dee451d9a4a4a3ca673a92e119b89b5661bd025211e231a58018be234384

Download Submit
memory/756-132-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/756-136-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/3212-137-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/3212-139-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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