njrat | 356242e495a25e50416f7799c04e23718c778f6fa096b9e14a56595b7203b37e

General

Target

356242e495a25e50416f7799c04e23718c778f6fa096b9e14a56595b7203b37e.exe
Size

23KB
MD5

717a487b185f4a7010cc6fe344bc7350
SHA1

34b886d0ead6d9aa080df2805fef293f6f3f7437
SHA256

356242e495a25e50416f7799c04e23718c778f6fa096b9e14a56595b7203b37e
SHA512

91cfbb5d6b3ff132138a3b4fd3dc2612cce6fc3e0a116a2696de21dee51db1ecf9c442989c8dee6e292fb241e60cc41f870a0c08ac5cd15a6ed83016f1e91627
SSDEEP

384:iMK6b2GZsx/Yr1+liORH1kcPFQ6Lg9gSOYRr9mRvR6JZlbw8hqIusZzZd0:tb9glF51LRpcnuZ

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

bbbbbbbb-22.no-ip.biz:81

Mutex

5ed8841323611aa785b41e4847adaddb

Attributes

reg_key
5ed8841323611aa785b41e4847adaddb
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

2460 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4856 netsh.exe

pid	process
2460	server.exe

pid	process
4856	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

Processes:

356242e495a25e50416f7799c04e23718c778f6fa096b9e14a56595b7203b37e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	356242e495a25e50416f7799c04e23718c778f6fa096b9e14a56595b7203b37e.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5ed8841323611aa785b41e4847adaddb = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5ed8841323611aa785b41e4847adaddb = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	2460	server.exe
Token: 33	2460	server.exe
Token: SeIncBasePriorityPrivilege	2460	server.exe
Token: 33	2460	server.exe
Token: SeIncBasePriorityPrivilege	2460	server.exe
Token: 33	2460	server.exe
Token: SeIncBasePriorityPrivilege	2460	server.exe
Token: 33	2460	server.exe
Token: SeIncBasePriorityPrivilege	2460	server.exe
Token: 33	2460	server.exe
Token: SeIncBasePriorityPrivilege	2460	server.exe
Token: 33	2460	server.exe
Token: SeIncBasePriorityPrivilege	2460	server.exe
Token: 33	2460	server.exe
Token: SeIncBasePriorityPrivilege	2460	server.exe
Token: 33	2460	server.exe
Token: SeIncBasePriorityPrivilege	2460	server.exe
Token: 33	2460	server.exe
Token: SeIncBasePriorityPrivilege	2460	server.exe
Token: 33	2460	server.exe
Token: SeIncBasePriorityPrivilege	2460	server.exe
Token: 33	2460	server.exe
Token: SeIncBasePriorityPrivilege	2460	server.exe
Token: 33	2460	server.exe
Token: SeIncBasePriorityPrivilege	2460	server.exe
Token: 33	2460	server.exe
Token: SeIncBasePriorityPrivilege	2460	server.exe
Token: 33	2460	server.exe
Token: SeIncBasePriorityPrivilege	2460	server.exe
Token: 33	2460	server.exe
Token: SeIncBasePriorityPrivilege	2460	server.exe
Token: 33	2460	server.exe
Token: SeIncBasePriorityPrivilege	2460	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

356242e495a25e50416f7799c04e23718c778f6fa096b9e14a56595b7203b37e.exeserver.exe

description	pid	process	target process
PID 3112 wrote to memory of 2460	3112	356242e495a25e50416f7799c04e23718c778f6fa096b9e14a56595b7203b37e.exe	server.exe
PID 3112 wrote to memory of 2460	3112	356242e495a25e50416f7799c04e23718c778f6fa096b9e14a56595b7203b37e.exe	server.exe
PID 3112 wrote to memory of 2460	3112	356242e495a25e50416f7799c04e23718c778f6fa096b9e14a56595b7203b37e.exe	server.exe
PID 2460 wrote to memory of 4856	2460	server.exe	netsh.exe
PID 2460 wrote to memory of 4856	2460	server.exe	netsh.exe
PID 2460 wrote to memory of 4856	2460	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\356242e495a25e50416f7799c04e23718c778f6fa096b9e14a56595b7203b37e.exe
"C:\Users\Admin\AppData\Local\Temp\356242e495a25e50416f7799c04e23718c778f6fa096b9e14a56595b7203b37e.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3112

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2460

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4856

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

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

MD5
717a487b185f4a7010cc6fe344bc7350

SHA1
34b886d0ead6d9aa080df2805fef293f6f3f7437

SHA256
356242e495a25e50416f7799c04e23718c778f6fa096b9e14a56595b7203b37e

SHA512
91cfbb5d6b3ff132138a3b4fd3dc2612cce6fc3e0a116a2696de21dee51db1ecf9c442989c8dee6e292fb241e60cc41f870a0c08ac5cd15a6ed83016f1e91627

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

MD5
717a487b185f4a7010cc6fe344bc7350

SHA1
34b886d0ead6d9aa080df2805fef293f6f3f7437

SHA256
356242e495a25e50416f7799c04e23718c778f6fa096b9e14a56595b7203b37e

SHA512
91cfbb5d6b3ff132138a3b4fd3dc2612cce6fc3e0a116a2696de21dee51db1ecf9c442989c8dee6e292fb241e60cc41f870a0c08ac5cd15a6ed83016f1e91627

Download Submit
memory/2460-133-0x0000000000000000-mapping.dmp

Download
memory/2460-137-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/2460-139-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/3112-132-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/3112-136-0x0000000074B50000-0x0000000075101000-memory.dmp

Filesize
5.7MB

Download
memory/4856-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads