MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cf98b99bfc23dd600c5a269257b96e19b8ef228631a8a1dd39bfe14ed89b11f1. 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: | cf98b99bfc23dd600c5a269257b96e19b8ef228631a8a1dd39bfe14ed89b11f1 |
|---|---|
| SHA3-384 hash: | f2121a25fdff9bf60ec39844da438e1e521c5d356dd32ab2e2e4bf9ce81d3f4b2adfac282aee725244a5cfab1e0447e5 |
| SHA1 hash: | 67cb43e25a76a7dbd05a195e3b070ae88b84ab6e |
| MD5 hash: | 7de4382e6f4093373bf61e99e714c286 |
| humanhash: | blossom-lithium-black-mike |
| File name: | cf98b99bfc23dd600c5a269257b96e19b8ef228631a8a1dd39bfe14ed89b11f1 |
| Download: | download sample |
| Signature | njrat |
| File size: | 3'065'856 bytes |
| First seen: | 2021-09-22 13:12:50 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 4328f7206db519cd4e82283211d98e83 (533 x RedLineStealer, 18 x Arechclient2, 15 x DCRat) |
| ssdeep | 49152:3iu39/BY5evcddcGr/X17ixKbNTzV8DRhMj5Gd6gF80+Dcqi0oLYHvc:5U5ekvcG7X17ikxPV8ju4q100oLKvc |
| Threatray | 2'329 similar samples on MalwareBazaar |
| TLSH | T1E6E533A5AA9FAD54CA0C8975D43B3C8A6D02F23AB6EC57D413D73E827D17B320027752 |
| Reporter |  JAMESWT_WT |
| Tags: | exe NjRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
cf98b99bfc23dd600c5a269257b96e19b8ef228631a8a1dd39bfe14ed89b11f1
Verdict:
Malicious activity
Analysis date:
2021-09-22 13:17:08 UTC
Tags:
rat njrat bladabindi
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
njRat
Malware family:
njRAT
Verdict:
Malicious
Result
Threat name:
njRat
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Detected njRat
Detected unpacking (changes PE section rights)
Detected VMProtect packer
Drops PE files to the startup folder
Found malware configuration
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-09-21 02:35:00 UTC
AV detection:
26 of 45 (57.78%)
Threat level:
5/5
Verdict:
malicious
Similar samples:
+ 2'319 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
9/10
Tags:
evasion persistence themida trojan vmprotect
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Checks whether UAC is enabled
Checks BIOS information in registry
Drops startup file
Modifies Windows Firewall
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Unpacked files
SH256 hash:
dcb842f5e0da9d486cad34d4b809dcaadf9ec4d6991fdb22bdc9aea66489ad1a
MD5 hash:
c02a029c978f13b753c6b578b1588c75
SHA1 hash:
e125d59451e7f467bfd329a00a506decbcd91d83
SH256 hash:
cf98b99bfc23dd600c5a269257b96e19b8ef228631a8a1dd39bfe14ed89b11f1
MD5 hash:
7de4382e6f4093373bf61e99e714c286
SHA1 hash:
67cb43e25a76a7dbd05a195e3b070ae88b84ab6e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
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: | INDICATOR_EXE_Packed_Themida |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with Themida |
| Rule name: | INDICATOR_EXE_Packed_VMProtect |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with VMProtect. |
| Rule name: | MALWARE_Win_NjRAT |
|---|---|
| Author: | ditekSHen |
| Description: | Detects NjRAT / Bladabindi |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | win_njrat_w1 |
|---|---|
| Author: | Brian Wallace @botnet_hunter <bwall@ballastsecurity.net> |
| Description: | Identify njRat |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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