MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c1a76827e2a34d86720c087d75ea4c2c827fd6c429e42b851466e401a0c750c0. 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: 11
| SHA256 hash: | c1a76827e2a34d86720c087d75ea4c2c827fd6c429e42b851466e401a0c750c0 |
|---|---|
| SHA3-384 hash: | fe42335fcec04cd346a42c6e3012f0d10aa4e9a7b62311accdd662eaa96a1779da65ddacaec6c4dcee39db4630403427 |
| SHA1 hash: | a7ca8ae73bf4a25a1be3abbffcb7527be87dc003 |
| MD5 hash: | c230618e51e88990921af70b1d168f5b |
| humanhash: | oklahoma-white-mirror-hydrogen |
| File name: | c230618e51e88990921af70b1d168f5b.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 377'344 bytes |
| First seen: | 2022-10-01 15:30:54 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 384:9eSLDbKHg9m99P9A7IcCWXLM/AbWayKpx4K9VJy4yXrI:oOIg8991ANwAk6x40Y4IrI |
| Threatray | 1'177 similar samples on MalwareBazaar |
| TLSH | T19384AF722E03C055C9AE4FB1FD26E2C20F8A1CD915A8F2616DFCB2695DB0E9B464137D |
| TrID | 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.4% (.EXE) Win64 Executable (generic) (10523/12/4) 6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.4% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| File icon (PE): |  |
| dhash icon | f0c4e8d4d6d6ccf0 (2 x Formbook, 1 x njrat, 1 x AgentTesla) |
| 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 |
|---|---|
| 162.246.185.103:2022 | https://threatfox.abuse.ch/ioc/865928/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
315
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Launching the process to change the firewall settings
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
packed
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.
Verdict:
Suspicious
Result
Threat name:
njRat
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Detected njRat
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-30 14:34:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 41 (48.78%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
njrat
Similar samples:
+ 1'167 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat botnet:sept19 evasion persistence trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Modifies Windows Firewall
Modifies WinLogon for persistence
njRAT/Bladabindi
Malware Config
C2 Extraction:
verde2020.duckdns.org:2022
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c1a76827e2a34d86720c087d75ea4c2c827fd6c429e42b851466e401a0c750c0
MD5 hash:
c230618e51e88990921af70b1d168f5b
SHA1 hash:
a7ca8ae73bf4a25a1be3abbffcb7527be87dc003
Malware family:
njRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
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 |
| 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.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.