njrat | f01de0a1b1360d5f3f27edac775eb5a5ce37a0f287795a82bfe825167bff5ab5

General

Target

f01de0a1b1360d5f3f27edac775eb5a5ce37a0f287795a82bfe825167bff5ab5.exe
Size

23KB
MD5

0ff6d78e94df28d19765c982622a67fb
SHA1

847581ea52d922e6938f1922aa0db562a24f9560
SHA256

f01de0a1b1360d5f3f27edac775eb5a5ce37a0f287795a82bfe825167bff5ab5
SHA512

22d3b6f42add725e4b844c10665e78da067a0832c2e906b9e2ca8f1d209e04060aa8e1ae2712c8bdded7c63077485ab5fa0ba1f9fa0f3dc0e0c4e14bdc8197b9
SSDEEP

384:Vewz6+T4IjWZFNwXU0eiNUBdvt6lgT+lLOhXxQmRvR6JZlbw8hqIusZzZqh6:V9TbC81NgRpcnud

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

hakeemo.no-ip.biz:19619

Mutex

09b63482b9eda1708b6863d26765022c

Attributes

reg_key
09b63482b9eda1708b6863d26765022c
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
4604	Server.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1504	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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	f01de0a1b1360d5f3f27edac775eb5a5ce37a0f287795a82bfe825167bff5ab5.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\09b63482b9eda1708b6863d26765022c.exe	Server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\09b63482b9eda1708b6863d26765022c.exe	Server.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\09b63482b9eda1708b6863d26765022c = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Server.exe\" .."	Server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\09b63482b9eda1708b6863d26765022c = "\"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 13 IoCs

description	pid	Process
Token: SeDebugPrivilege	4604	Server.exe
Token: 33	4604	Server.exe
Token: SeIncBasePriorityPrivilege	4604	Server.exe
Token: 33	4604	Server.exe
Token: SeIncBasePriorityPrivilege	4604	Server.exe
Token: 33	4604	Server.exe
Token: SeIncBasePriorityPrivilege	4604	Server.exe
Token: 33	4604	Server.exe
Token: SeIncBasePriorityPrivilege	4604	Server.exe
Token: 33	4604	Server.exe
Token: SeIncBasePriorityPrivilege	4604	Server.exe
Token: 33	4604	Server.exe
Token: SeIncBasePriorityPrivilege	4604	Server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3472 wrote to memory of 4604	3472	f01de0a1b1360d5f3f27edac775eb5a5ce37a0f287795a82bfe825167bff5ab5.exe	83
PID 3472 wrote to memory of 4604	3472	f01de0a1b1360d5f3f27edac775eb5a5ce37a0f287795a82bfe825167bff5ab5.exe	83
PID 3472 wrote to memory of 4604	3472	f01de0a1b1360d5f3f27edac775eb5a5ce37a0f287795a82bfe825167bff5ab5.exe	83
PID 4604 wrote to memory of 1504	4604	Server.exe	84
PID 4604 wrote to memory of 1504	4604	Server.exe	84
PID 4604 wrote to memory of 1504	4604	Server.exe	84

C:\Users\Admin\AppData\Local\Temp\f01de0a1b1360d5f3f27edac775eb5a5ce37a0f287795a82bfe825167bff5ab5.exe
"C:\Users\Admin\AppData\Local\Temp\f01de0a1b1360d5f3f27edac775eb5a5ce37a0f287795a82bfe825167bff5ab5.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  "C:\Users\Admin\AppData\Local\Temp\Server.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4604
- - 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:1504

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\Server.exe

Filesize
23KB

MD5
0ff6d78e94df28d19765c982622a67fb

SHA1
847581ea52d922e6938f1922aa0db562a24f9560

SHA256
f01de0a1b1360d5f3f27edac775eb5a5ce37a0f287795a82bfe825167bff5ab5

SHA512
22d3b6f42add725e4b844c10665e78da067a0832c2e906b9e2ca8f1d209e04060aa8e1ae2712c8bdded7c63077485ab5fa0ba1f9fa0f3dc0e0c4e14bdc8197b9

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

Filesize
23KB

MD5
0ff6d78e94df28d19765c982622a67fb

SHA1
847581ea52d922e6938f1922aa0db562a24f9560

SHA256
f01de0a1b1360d5f3f27edac775eb5a5ce37a0f287795a82bfe825167bff5ab5

SHA512
22d3b6f42add725e4b844c10665e78da067a0832c2e906b9e2ca8f1d209e04060aa8e1ae2712c8bdded7c63077485ab5fa0ba1f9fa0f3dc0e0c4e14bdc8197b9

Download Submit
memory/3472-133-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/3472-134-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/3472-138-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/4604-139-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/4604-140-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download

Analysis

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