MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 17877cf37b9264ba88dcfd0825f321f42531f8b880c52b43c0606b0b2c06d548. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
njrat
Vendor detections: 13
| SHA256 hash: | 17877cf37b9264ba88dcfd0825f321f42531f8b880c52b43c0606b0b2c06d548 |
|---|---|
| SHA3-384 hash: | 2a47e4e08485c2ae3b58313919d14f9e532944a58057b2367a2da1fb0bdfde8cd60d31fd8070321efdcf06c9aebec59a |
| SHA1 hash: | f3656659c196276f973160fc598bd73965723d1b |
| MD5 hash: | 5fa76753ad6fcd536fda574950732661 |
| humanhash: | cola-ohio-lima-lemon |
| File name: | 5fa76753ad6fcd536fda574950732661.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 95'232 bytes |
| First seen: | 2022-03-24 18:47:07 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 768:cY3MUgSgmnldjcRoMwrx7Y+DIkIITJbXX0pOt8ux82WXxrjEtCdnl2pi1Rz4Rk3I:4Uumlbrq+1NTZ0OojEwzGi1dDyDTgS |
| Threatray | 327 similar samples on MalwareBazaar |
| TLSH | T17793E84977E52524E1BF5AF39471B2004E38B4471602E79E48F259AA1B33AC44F89FEB |
| Reporter |  abuse_ch |
| Tags: | exe NjRAT RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 3.129.187.220:12690 | https://threatfox.abuse.ch/ioc/447297/ |
| 3.136.65.236:12690 | https://threatfox.abuse.ch/ioc/447298/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
385
Origin country :
n/a
Vendor Threat Intelligence
Detection:
njRat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% directory
Creating a process with a hidden window
Searching for synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Launching the process to change the firewall settings
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm autorun bladabindi cmd.exe control.exe explorer.exe fingerprint fingerprint greyware keylogger msconfig.exe netsh.exe njrat obfuscated packed rat replace.exe rundll32.exe schtasks.exe stealer update.exe winnti
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
njRAT
Verdict:
Malicious
Result
Threat name:
Njrat
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to spread to USB devices (.Net source)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2022-02-19 21:04:00 UTC
File Type:
PE (.Net Exe)
AV detection:
26 of 26 (100.00%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
njrat
Similar samples:
+ 317 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat botnet:dark evasion
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies Windows Firewall
Malware Config
C2 Extraction:
NC50Y3Aubmdyb2suaW8Strik:MTI2OTA=
Unpacked files
SH256 hash:
17877cf37b9264ba88dcfd0825f321f42531f8b880c52b43c0606b0b2c06d548
MD5 hash:
5fa76753ad6fcd536fda574950732661
SHA1 hash:
f3656659c196276f973160fc598bd73965723d1b
Malware family:
Winnti Group
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | CN_disclosed_20180208_c |
|---|---|
| Author: | Florian Roth |
| Description: | Detects malware from disclosed CN malware set |
| Reference: | https://twitter.com/cyberintproject/status/961714165550342146 |
| Rule name: | CN_disclosed_20180208_c_RID2E71 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects malware from disclosed CN malware set |
| Reference: | https://twitter.com/cyberintproject/status/961714165550342146 |
| Rule name: | malware_Njrat_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect njRAT in memory |
| Rule name: | MALWARE_Win_NjRAT |
|---|---|
| Author: | ditekSHen |
| Description: | Detects NjRAT / Bladabindi |
| Rule name: | MAL_njrat |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Rule name: | MAL_Winnti_Sample_May18_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects malware sample from Burning Umbrella report - Generic Winnti Rule |
| Reference: | https://401trg.pw/burning-umbrella/ |
| Rule name: | MAL_Winnti_Sample_May18_1_RID3003 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects malware sample from Burning Umbrella report - Generic Winnti Rule |
| Reference: | https://401trg.pw/burning-umbrella/ |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_LightDefender_Njrat_Rule |
|---|---|
| Author: | Skystars LightDefender |
| Description: | Detects Njrat |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | SUSP_netsh_firewall_command |
|---|---|
| Author: | SECUINFRA Falcon Team |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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