njrat | 024f6018cd5713c1c84d28917072965da226f0b8632cdda7e519ebd73cb731be

Resubmissions

19/03/2024, 11:48

240319-nys9ysca81 10

19/03/2024, 11:46

240319-nxsxssca6z 10

Analysis

max time kernel
149s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/03/2024, 11:46

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General

Target

Client.exe
Size

31KB
MD5

b10f92570ed1724ebbabd8ec534779f5
SHA1

9584674affe48c8cebf999c970fc071923a4cf07
SHA256

024f6018cd5713c1c84d28917072965da226f0b8632cdda7e519ebd73cb731be
SHA512

f36473ae3051c8c9f9f2da03a3ba568cc33605f7074845d1465b4d4a64f1c43f5b571476765ebda834c7cb6fa86e0723cd868c4f67c20e08b04278001b4cf06a
SSDEEP

768:snhOJb13hdwzxLy34sUOfNMRvy3QmIDUu0tiAPj:qsZ6uR6gQVkjj

Score

10^/10

njrat h2cked souls evasion trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

h2cked souls

127.0.0.1:1177

Mutex

7808f33a35941bd0d6ddee095597045d

Attributes

reg_key
7808f33a35941bd0d6ddee095597045d
splitter
Y262SUCZ4UJJ

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

pid	Process
2708	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2900	yuf.exe

Loads dropped DLL 1 IoCs

pid	Process
1896	Client.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

description	pid	Process
Token: SeDebugPrivilege	2900	yuf.exe
Token: 33	2900	yuf.exe
Token: SeIncBasePriorityPrivilege	2900	yuf.exe
Token: 33	2900	yuf.exe
Token: SeIncBasePriorityPrivilege	2900	yuf.exe
Token: 33	2900	yuf.exe
Token: SeIncBasePriorityPrivilege	2900	yuf.exe
Token: 33	2900	yuf.exe
Token: SeIncBasePriorityPrivilege	2900	yuf.exe
Token: 33	2900	yuf.exe
Token: SeIncBasePriorityPrivilege	2900	yuf.exe
Token: 33	2900	yuf.exe
Token: SeIncBasePriorityPrivilege	2900	yuf.exe
Token: 33	2900	yuf.exe
Token: SeIncBasePriorityPrivilege	2900	yuf.exe
Token: 33	2900	yuf.exe
Token: SeIncBasePriorityPrivilege	2900	yuf.exe
Token: 33	2900	yuf.exe
Token: SeIncBasePriorityPrivilege	2900	yuf.exe
Token: 33	2900	yuf.exe
Token: SeIncBasePriorityPrivilege	2900	yuf.exe
Token: 33	2900	yuf.exe
Token: SeIncBasePriorityPrivilege	2900	yuf.exe
Token: 33	2900	yuf.exe
Token: SeIncBasePriorityPrivilege	2900	yuf.exe
Token: 33	2900	yuf.exe
Token: SeIncBasePriorityPrivilege	2900	yuf.exe
Token: 33	2900	yuf.exe
Token: SeIncBasePriorityPrivilege	2900	yuf.exe
Token: 33	2900	yuf.exe
Token: SeIncBasePriorityPrivilege	2900	yuf.exe
Token: 33	2900	yuf.exe
Token: SeIncBasePriorityPrivilege	2900	yuf.exe
Token: 33	2900	yuf.exe
Token: SeIncBasePriorityPrivilege	2900	yuf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1896 wrote to memory of 2900	1896	Client.exe	29
PID 1896 wrote to memory of 2900	1896	Client.exe	29
PID 1896 wrote to memory of 2900	1896	Client.exe	29
PID 1896 wrote to memory of 2900	1896	Client.exe	29
PID 2900 wrote to memory of 2708	2900	yuf.exe	30
PID 2900 wrote to memory of 2708	2900	yuf.exe	30
PID 2900 wrote to memory of 2708	2900	yuf.exe	30
PID 2900 wrote to memory of 2708	2900	yuf.exe	30

C:\Users\Admin\AppData\Local\Temp\Client.exe
"C:\Users\Admin\AppData\Local\Temp\Client.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1896
- C:\Users\Admin\AppData\Roaming\yuf.exe
  "C:\Users\Admin\AppData\Roaming\yuf.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\yuf.exe" "yuf.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:2708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\yuf.exe

Filesize
31KB

MD5
b10f92570ed1724ebbabd8ec534779f5

SHA1
9584674affe48c8cebf999c970fc071923a4cf07

SHA256
024f6018cd5713c1c84d28917072965da226f0b8632cdda7e519ebd73cb731be

SHA512
f36473ae3051c8c9f9f2da03a3ba568cc33605f7074845d1465b4d4a64f1c43f5b571476765ebda834c7cb6fa86e0723cd868c4f67c20e08b04278001b4cf06a

Download Submit
memory/1896-0-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/1896-1-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/1896-2-0x0000000000B10000-0x0000000000B50000-memory.dmp

Filesize
256KB

Download
memory/1896-11-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2900-10-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2900-13-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2900-12-0x0000000000A30000-0x0000000000A70000-memory.dmp

Filesize
256KB

Download
memory/2900-14-0x0000000074990000-0x0000000074F3B000-memory.dmp

Filesize
5.7MB

Download
memory/2900-15-0x0000000000A30000-0x0000000000A70000-memory.dmp

Filesize
256KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads