MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c2de35b1875197d605b226ac3a898ce2330a1b1c2b557f1931a0848f1655b27. 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: 13


Intelligence 13 IOCs 1 YARA 10 File information Comments

SHA256 hash: 1c2de35b1875197d605b226ac3a898ce2330a1b1c2b557f1931a0848f1655b27
SHA3-384 hash: 899479a5a256b9ca28f96bc297e066021720a59a0914eb0a4289eb980605f5ef8375395d74a7d08b2193d95dc490c482
SHA1 hash: 60969d91d1045b9b725ec8ee6df47ac74f1fb68d
MD5 hash: 2d9cf7d987f8a980d0bc4c9744ee4ded
humanhash: magnesium-foxtrot-spring-carolina
File name:2d9cf7d987f8a980d0bc4c9744ee4ded.exe
Download: download sample
Signature njrat
File size:24'064 bytes
First seen:2022-10-14 12:40:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'659 x Formbook, 12'250 x SnakeKeylogger)
ssdeep 384:isqS+ER6vRKXGYKRWVSujUtX9w6Dglo61Z5DVmRvR6JZlbw8hqIusZzZCt:9f65K2Yf1jKRpcnu1
Threatray 2'067 similar samples on MalwareBazaar
TLSH T19BB22C4E3FA98856C9BC17748AB5955003B4D1470423EE2FCCD564CBAFB3AD92D48AF8
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13101/52/3)
8.6% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
91.109.188.15:1177

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
91.109.188.15:1177 https://threatfox.abuse.ch/ioc/888372/

Intelligence


File Origin
# of uploads :
1
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Enabling the 'hidden' option for files in the %temp% directory
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe fingerprint greyware njrat packed rat stealer
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
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Detected njRat
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 723322 Sample: Am16bX4TwU.exe Startdate: 14/10/2022 Architecture: WINDOWS Score: 100 26 Snort IDS alert for network traffic 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 9 other signatures 2->32 7 Am16bX4TwU.exe 5 4 2->7         started        11 Am16bX4TwU.exe 3 2->11         started        14 Am16bX4TwU.exe 2 2->14         started        16 Am16bX4TwU.exe 2 2->16         started        process3 dnsIp4 24 mkgf.ddns.net 91.109.188.15, 1177, 49682 IELOIELOMainNetworkFR France 7->24 34 Creates autostart registry keys with suspicious names 7->34 36 Uses netsh to modify the Windows network and firewall settings 7->36 38 Modifies the windows firewall 7->38 18 netsh.exe 3 7->18         started        22 C:\Users\user\AppData\...\Am16bX4TwU.exe.log, ASCII 11->22 dropped file5 signatures6 process7 process8 20 conhost.exe 18->20         started       
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2022-10-09 18:42:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:hacked evasion persistence trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
mkgf.ddns.net:1177
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1c2de35b1875197d605b226ac3a898ce2330a1b1c2b557f1931a0848f1655b27
MD5 hash:
2d9cf7d987f8a980d0bc4c9744ee4ded
SHA1 hash:
60969d91d1045b9b725ec8ee6df47ac74f1fb68d
Detections:
win_njrat_w1 win_njrat_g1
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
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: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