MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4a5d2a74803de9f7a73d47ada67ab4e03a466e4bef5dc12ca5ba35343b9a0500. 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: 8
| SHA256 hash: | 4a5d2a74803de9f7a73d47ada67ab4e03a466e4bef5dc12ca5ba35343b9a0500 |
|---|---|
| SHA3-384 hash: | c2dcc71cce0fbc8ebd28d6ee4e6eff4fb510b56f4d756a572555732ae931647c8003c37c91972f522c812290510341db |
| SHA1 hash: | 0b1772f6c7181bf56946584556981d75810a1801 |
| MD5 hash: | a27018d1be5ed4fb9bd98c38543c4bb6 |
| humanhash: | vegan-wisconsin-apart-robert |
| File name: | a27018d1be5ed4fb9bd98c38543c4bb6.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 267'504 bytes |
| First seen: | 2021-04-02 10:00:57 UTC |
| Last seen: | 2021-04-02 11:18:40 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 3072:zylENHTxcCq1LrrV5ve7kWZJWAsbwdCmgBuBQocc+Y0k0d8HE9WsMS8WVo:zAkHk9M7kmD860kAjMU8WVo |
| Threatray | 1 similar samples on MalwareBazaar |
| TLSH | A3447B8276A8DA10C5E4583BECDFA05003FDCD561AB3DF5A7EC436A91E737E26904788 |
| 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 |
|---|---|
| 192.169.69.25:3360 | https://threatfox.abuse.ch/ioc/6493/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a27018d1be5ed4fb9bd98c38543c4bb6.exe
Verdict:
Malicious activity
Analysis date:
2021-04-02 10:09:20 UTC
Tags:
trojan rat njrat bladabindi
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Sending a UDP request
Launching the default Windows debugger (dwwin.exe)
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.
Result
Threat name:
njRat
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected njRat
Drops PE files to the startup folder
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-04-01 00:55:00 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
suspicious
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Unpacked files
SH256 hash:
161f5c22659957433e371ea6f3e20b3ad5c02c86d207a0a558da099f175ff9b7
MD5 hash:
90cda74f61361e32a04d9342696356e8
SHA1 hash:
e92b8e7edbc2997051631c4d7e938fc3ea6b6a2e
SH256 hash:
2b4dd2e4a651e03d64957b1a6a03805b5d492676d70a1ee0ce927edb76461170
MD5 hash:
77fd4d88729b3bf4b4aacdfcc1eec832
SHA1 hash:
17a85a2e50ba0e6a81edc5dead03e8e4d370ad56
SH256 hash:
4a5d2a74803de9f7a73d47ada67ab4e03a466e4bef5dc12ca5ba35343b9a0500
MD5 hash:
a27018d1be5ed4fb9bd98c38543c4bb6
SHA1 hash:
0b1772f6c7181bf56946584556981d75810a1801
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
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: | Njrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect njRAT in memory |
| Rule name: | Ping_Del_method_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | cmd ping IP nul del |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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