njrat | e91befdf51b0ec280541185dd2de18ff51ee8761bbd8050e84c2cfbf5ed54b54

General

Target

e91befdf51b0ec280541185dd2de18ff51ee8761bbd8050e84c2cfbf5ed54b54.exe
Size

121KB
MD5

07a3e883febcf88d078e976b831b916b
SHA1

3689a29ab6681ed1af931b628ab28ef0c25bb789
SHA256

e91befdf51b0ec280541185dd2de18ff51ee8761bbd8050e84c2cfbf5ed54b54
SHA512

2699dca3a81496a28943be5f83a7d0bc4845e9cd332e7f802bf144095f165b3956d640b9a1f0103170fac6c636afb60506a1c3f418a90251f3980bcf7b4bfe0b
SSDEEP

3072:RJ8ajpUZeZ9IBCzWWCclt1qy2qAMnhoeK1jBby6e2Cg20kvg:EApUZU9LCcH1jAQoPjBW6eF

Score

10^/10

njrat google evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

google

C2

hsdvhgy.ddns.net:1177

Mutex

e79d569ba77562f0d4316e586835f0a2

Attributes

reg_key
e79d569ba77562f0d4316e586835f0a2
splitter
|'|'|

Signatures

Njrat family
njrat
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
4832	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	e91befdf51b0ec280541185dd2de18ff51ee8761bbd8050e84c2cfbf5ed54b54.exe

Executes dropped EXE 1 IoCs

pid	Process
4892	Chrome.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e79d569ba77562f0d4316e586835f0a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Chrome.exe\" .."	Chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\e79d569ba77562f0d4316e586835f0a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Chrome.exe\" .."	Chrome.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious behavior: EnumeratesProcesses 45 IoCs

pid	Process
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe
4892	Chrome.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4892	Chrome.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 716 wrote to memory of 4892	716	e91befdf51b0ec280541185dd2de18ff51ee8761bbd8050e84c2cfbf5ed54b54.exe	83
PID 716 wrote to memory of 4892	716	e91befdf51b0ec280541185dd2de18ff51ee8761bbd8050e84c2cfbf5ed54b54.exe	83
PID 4892 wrote to memory of 4832	4892	Chrome.exe	84
PID 4892 wrote to memory of 4832	4892	Chrome.exe	84

C:\Users\Admin\AppData\Local\Temp\e91befdf51b0ec280541185dd2de18ff51ee8761bbd8050e84c2cfbf5ed54b54.exe
"C:\Users\Admin\AppData\Local\Temp\e91befdf51b0ec280541185dd2de18ff51ee8761bbd8050e84c2cfbf5ed54b54.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:716
- C:\Users\Admin\AppData\Local\Temp\Chrome.exe
  "C:\Users\Admin\AppData\Local\Temp\Chrome.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4892
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Chrome.exe" "Chrome.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:4832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
121KB

MD5
07a3e883febcf88d078e976b831b916b

SHA1
3689a29ab6681ed1af931b628ab28ef0c25bb789

SHA256
e91befdf51b0ec280541185dd2de18ff51ee8761bbd8050e84c2cfbf5ed54b54

SHA512
2699dca3a81496a28943be5f83a7d0bc4845e9cd332e7f802bf144095f165b3956d640b9a1f0103170fac6c636afb60506a1c3f418a90251f3980bcf7b4bfe0b

Download Submit
memory/716-6-0x00007FFCD9990000-0x00007FFCDA331000-memory.dmp

Filesize
9.6MB

Download
memory/716-1-0x00007FFCD9990000-0x00007FFCDA331000-memory.dmp

Filesize
9.6MB

Download
memory/716-3-0x000000001C220000-0x000000001C2BC000-memory.dmp

Filesize
624KB

Download
memory/716-4-0x000000001C370000-0x000000001C416000-memory.dmp

Filesize
664KB

Download
memory/716-5-0x00000000010F0000-0x00000000010F8000-memory.dmp

Filesize
32KB

Download
memory/716-0-0x00007FFCD9C45000-0x00007FFCD9C46000-memory.dmp

Filesize
4KB

Download
memory/716-7-0x000000001B780000-0x000000001B78E000-memory.dmp

Filesize
56KB

Download
memory/716-2-0x000000001BCB0000-0x000000001C17E000-memory.dmp

Filesize
4.8MB

Download
memory/716-21-0x00007FFCD9990000-0x00007FFCDA331000-memory.dmp

Filesize
9.6MB

Download
memory/4892-20-0x00007FFCD9990000-0x00007FFCDA331000-memory.dmp

Filesize
9.6MB

Download
memory/4892-22-0x00007FFCD9990000-0x00007FFCDA331000-memory.dmp

Filesize
9.6MB

Download
memory/4892-23-0x00007FFCD9990000-0x00007FFCDA331000-memory.dmp

Filesize
9.6MB

Download
memory/4892-24-0x00007FFCD9990000-0x00007FFCDA331000-memory.dmp

Filesize
9.6MB

Download
memory/4892-25-0x00007FFCD9990000-0x00007FFCDA331000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads