MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7342f57f0fb094b1d1a7e68f1164ef14bd5a6d6c29ad4e01dd4158479e1ba87d. 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: 14


Intelligence 14 IOCs 1 YARA 3 File information Comments

SHA256 hash: 7342f57f0fb094b1d1a7e68f1164ef14bd5a6d6c29ad4e01dd4158479e1ba87d
SHA3-384 hash: 620ed62e903c05f1c85e40eb1ccf6e2f30126185e5ac35bdf811f883a24862ef2ed8ac06a48654465d2e4c0990cc89b1
SHA1 hash: 85a00369537c1032362b0cd0b1f236fa03e67258
MD5 hash: a8c305a1fc95181606f1ee43597878b3
humanhash: carolina-monkey-crazy-stairway
File name:a8c305a1fc95181606f1ee43597878b3.exe
Download: download sample
Signature njrat
File size:414'208 bytes
First seen:2022-08-16 16:20:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:do4NFThymiaVQrPEwRWzr1oHk9h9keb9L190toprNed5ZI6iCNl5kjJGuqZIO:DN/yiWRWzrqFeb/aCNktaGuq3
TLSH T11694E85B27E9445BE3AE467437A07C7F46F7B812150B9E6A25E32F7D0A226384F013E1
TrID 49.6% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
21.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.9% (.SCR) Windows screen saver (13101/52/3)
7.1% (.EXE) Win64 Executable (generic) (10523/12/4)
4.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon dc34bfdbc7e6d5ea (1 x njrat)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
91.109.178.13:3333

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
91.109.178.13:3333 https://threatfox.abuse.ch/ioc/843608/

Intelligence


File Origin
# of uploads :
1
# of downloads :
400
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
a8c305a1fc95181606f1ee43597878b3.exe
Verdict:
Malicious activity
Analysis date:
2022-08-16 16:22:22 UTC
Tags:
rat njrat bladabindi trojan

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

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Creating a process from a recently created file
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
DNS request
Sending an HTTP GET request
Creating a process with a hidden window
Searching for synchronization primitives
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug bladabindi greyware hacktool packed packed wacatac
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious names
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 domain / URL
Multi AV Scanner detection for dropped file
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 Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 684955 Sample: EQDDxPrFDe.exe Startdate: 16/08/2022 Architecture: WINDOWS Score: 100 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 8 other signatures 2->48 9 EQDDxPrFDe.exe 8 2->9         started        12 server.exe 2 2->12         started        14 server.exe 2 2->14         started        16 server.exe 2 2->16         started        process3 file4 34 C:\ProgramData\doziamtor\...\win.exe, PE32 9->34 dropped 36 C:\Users\user\AppData\...QDDxPrFDe.exe.log, ASCII 9->36 dropped 38 C:\ProgramData\doziamtor\...\WPCraker.exe, PE32 9->38 dropped 18 win.exe 1 5 9->18         started        22 WPCraker.exe 9->22         started        process5 file6 32 C:\Users\user\AppData\Local\Temp\server.exe, PE32 18->32 dropped 50 Antivirus detection for dropped file 18->50 52 Multi AV Scanner detection for dropped file 18->52 54 Machine Learning detection for dropped file 18->54 24 server.exe 5 2 18->24         started        signatures7 process8 dnsIp9 40 mohdz33.ddns.net 91.109.178.13, 3333, 49732, 49750 IELOIELOMainNetworkFR France 24->40 56 Antivirus detection for dropped file 24->56 58 Multi AV Scanner detection for dropped file 24->58 60 Machine Learning detection for dropped file 24->60 62 3 other signatures 24->62 28 netsh.exe 3 24->28         started        signatures10 process11 process12 30 conhost.exe 28->30         started       
Threat name:
Win32.Trojan.APost
Status:
Malicious
First seen:
2022-08-14 16:11:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:njrat evasion persistence trojan
Behaviour
Runs net.exe
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
9a0eb5b4d3342a27df28487bf9c4eb7db720cddf268538253616b00a25e504ec
MD5 hash:
2e3a04e1147d24b3e1e5a4fb78f87779
SHA1 hash:
2436f3846e7c3e76ff6baad1a7279565582757aa
Detections:
win_njrat_g1 win_njrat_w1
SH256 hash:
5e6b40a23a7d5cf57ae8edd9647f807b53a8f93084726d9500da5eb1aae7b24a
MD5 hash:
8e49775698529da38241c7c1e8c77fd2
SHA1 hash:
afe844b8b61e291a2f75767dcccd001dc38b30dd
SH256 hash:
7342f57f0fb094b1d1a7e68f1164ef14bd5a6d6c29ad4e01dd4158479e1ba87d
MD5 hash:
a8c305a1fc95181606f1ee43597878b3
SHA1 hash:
85a00369537c1032362b0cd0b1f236fa03e67258
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments