MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23bb91cc04b475f2acc43bce48f7afc015708568b8e35691981f9cf3f9834d1e. 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: 16


Intelligence 16 IOCs YARA 20 File information Comments

SHA256 hash: 23bb91cc04b475f2acc43bce48f7afc015708568b8e35691981f9cf3f9834d1e
SHA3-384 hash: 9b6b9eb786ec5831c0fed9a2d434f7e59056eb105c99bc5b7cf7951dd68e9d1b371726ab4a63630bca52bfc06e005993
SHA1 hash: 557f42b4c95b89f8503e255a7c3f54f1f461bba0
MD5 hash: ca77d65b050cba3e01f2171a74314249
humanhash: west-fourteen-berlin-september
File name:CA77D65B050CBA3E01F2171A74314249.exe
Download: download sample
Signature njrat
File size:67'072 bytes
First seen:2023-10-09 18:30:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep 1536:kU22woN36tUQviFw16+RgBnvb/fLteF3nLrB9z3nkaF9bOS9vM:kU22woN36tUQviFCnyBnzfWl9z0aF9be
Threatray 28 similar samples on MalwareBazaar
TLSH T1F9633B4877958A15D2BD2E7844F266518730E60B6D03F72E4CD160FAABB3FC44A42BE7
TrID 48.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.6% (.SCR) Windows screen saver (13097/50/3)
6.9% (.EXE) Win64 Executable (generic) (10523/12/4)
4.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.125.223.134:18985

Intelligence


File Origin
# of uploads :
1
# of downloads :
391
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
CA77D65B050CBA3E01F2171A74314249.exe
Verdict:
Malicious activity
Analysis date:
2023-10-09 18:48:05 UTC
Tags:
rat njrat bladabindi remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Creating a file
Launching a process
Creating a window
Searching for synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm cmd control evasive eventvwr greyware hacktool keylogger lolbin njrat packed rat replace schtasks winnti wscript
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:
Detection:
malicious
Classification:
troj.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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2023-10-05 11:03:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
32 of 38 (84.21%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:hackeded trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
njRAT/Bladabindi
Malware Config
C2 Extraction:
127.0.0.1:18985
Unpacked files
SH256 hash:
23bb91cc04b475f2acc43bce48f7afc015708568b8e35691981f9cf3f9834d1e
MD5 hash:
ca77d65b050cba3e01f2171a74314249
SHA1 hash:
557f42b4c95b89f8503e255a7c3f54f1f461bba0
Detections:
NjRat win_njrat_w1
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:CN_disclosed_20180208_c
Author:Florian Roth (Nextron Systems)
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:INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Author:ditekSHen
Description:Detects executables (downlaoders) containing URLs to raw contents of a paste
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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 / NjRAT Golden
Rule name:MAL_njrat
Author:SECUINFRA Falcon Team
Rule name:MAL_Winnti_Sample_May18_1
Author:Florian Roth (Nextron Systems)
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:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Ngrok_URL
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an ngrok.io URL. This can be used as C2 channel
Rule name:Unknown_Malware_Sample_Jul17_2
Author:Florian Roth (Nextron Systems)
Description:Detects unknown malware sample with pastebin RAW URL
Reference:https://goo.gl/iqH8CK
Rule name:Unknown_Malware_Sample_Jul17_2_RID326D
Author:Florian Roth
Description:Detects unknown malware sample with pastebin RAW URL
Reference:https://goo.gl/iqH8CK
Rule name:Windows_Trojan_Njrat_30f3c220
Rule name:Windows_Trojan_Njrat_30f3c220
Author:Elastic Security
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