MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d9872c836e684cbc44d9bae43909ef91052f15199035c57112a7aced2e61d55c. 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: | d9872c836e684cbc44d9bae43909ef91052f15199035c57112a7aced2e61d55c |
|---|---|
| SHA3-384 hash: | 1fcc1680e4787551d94d9a149d43b31d69f420e494c5cfc69ff51d71701425ddef711f3028dbd9ebc48dda2159cd6129 |
| SHA1 hash: | a0e7a18e3268b9a0fc45cb899c4aee5c04f0ae31 |
| MD5 hash: | 8d9f39de24128c08ebea9f1516041d76 |
| humanhash: | april-mississippi-earth-delta |
| File name: | 8D9F39DE24128C08EBEA9F1516041D76.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 1'196'544 bytes |
| First seen: | 2021-04-25 10:15:33 UTC |
| Last seen: | 2021-04-25 10:58:37 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 112 x njrat, 79 x RedLineStealer) |
| ssdeep | 24576:DY2cH8DfDtSu10cPXJk+p7cgR8o6WiKBgjuGRGOtxji1jkyTZFswAqXC:Ny8LhSa0iXJk+pIWibJtxjLytq |
| Threatray | 1 similar samples on MalwareBazaar |
| TLSH | 094533F4F317B292C8A425F4352AB24F21DC51523C4F7D14AD8DBA1BA8F7F6CA0A2552 |
| 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 |
|---|---|
| 3.134.125.175:15536 | https://threatfox.abuse.ch/ioc/9920/ |
| 3.22.30.40:15536 | https://threatfox.abuse.ch/ioc/9921/ |
| 3.17.7.232:15536 | https://threatfox.abuse.ch/ioc/9922/ |
| 3.13.191.225:15536 | https://threatfox.abuse.ch/ioc/9923/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8D9F39DE24128C08EBEA9F1516041D76.exe
Verdict:
Malicious activity
Analysis date:
2021-04-25 10:19:32 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
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a process with a hidden window
Enabling the 'hidden' option for analyzed file
Launching the process to change the firewall settings
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:
Unknown
Detection:
malicious
Classification:
spre.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates autorun.inf (USB autostart)
Disables the Windows task manager (taskmgr)
Drops PE files to the document folder of the user
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the windows firewall
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses netsh to modify the Windows network and firewall settings
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Packed.EnigmaProtector
Status:
Malicious
First seen:
2021-04-22 02:03:00 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
1/5
Detection(s):
Malicious file
Verdict:
suspicious
Result
Malware family:
xmrig
Score:
10/10
Tags:
family:xmrig evasion miner
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops autorun.inf file
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Disables Task Manager via registry modification
Modifies Windows Firewall
xmrig
Unpacked files
SH256 hash:
d9872c836e684cbc44d9bae43909ef91052f15199035c57112a7aced2e61d55c
MD5 hash:
8d9f39de24128c08ebea9f1516041d76
SHA1 hash:
a0e7a18e3268b9a0fc45cb899c4aee5c04f0ae31
Please note that we are no longer able to provide a coverage score for Virus Total.
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: | EnigmaStub |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies Enigma packer stub. |
| Rule name: | MALWARE_Win_NjRAT |
|---|---|
| Author: | ditekSHen |
| Description: | Detects NjRAT / Bladabindi |
| 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 |
| Rule name: | SUSP_XORed_URL_in_EXE |
|---|---|
| Author: | Florian Roth |
| Description: | Detects an XORed URL in an executable |
| Reference: | https://twitter.com/stvemillertime/status/1237035794973560834 |
| Rule name: | win_smominru_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection
1) [C0026.002] Data Micro-objective::XOR::Encode Data