MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8924a67a575d9cfa51c09ce6ab1b06defda48a3d4ea764344cae6bbff66be40. 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 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8924a67a575d9cfa51c09ce6ab1b06defda48a3d4ea764344cae6bbff66be40
SHA3-384 hash: 374a381322c74137c3d30a173101a60f3d4f29f1a00110e31c0878173c22a1affaf35caa494482ed1d62b6e677eff17c
SHA1 hash: bb9b4a8b8f340dd0b958df57358df64aa7117f42
MD5 hash: ffc7d0acf9f2f737c376ea810760cfdc
humanhash: pluto-leopard-stream-purple
File name:FFC7D0ACF9F2F737C376EA810760CFDC.exe
Download: download sample
Signature njrat
Create hunting rule
File size:413'696 bytes
First seen:2023-05-30 05:05:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:c5ZRnLoOFxV5wpFYUbSfPOy5nD/V0NB7kdKwrWKVfj:kLoIx/wp+UbSfPO+LV0NBgdvrtVf
Threatray 214 similar samples on MalwareBazaar
TLSH T176942F2225FA549DF377AB751FD4B4FE8BA9E933570AE1B9391013428B22E40CC52736
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 414545c0d4c05503 (37 x njrat, 3 x AsyncRAT, 1 x RedLineStealer)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
156.218.252.212:1177

Intelligence

File Origin
# of uploads :
1
# of downloads :
327
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
FFC7D0ACF9F2F737C376EA810760CFDC.exe
Verdict:
Malicious activity
Analysis date:
2023-05-30 05:05:41 UTC
Tags:
njrat rat bladabindi
Link:
https://app.any.run/tasks/a1494486-16a5-49bd-9526-12dea2033f76

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/393259/
Detection(s):
PUA.Win.Packer.NETCrypter-6309687-2
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% directory
Creating a process with a hidden window
Enabling the 'hidden' option for analyzed file
Launching the process to change network settings
Searching for synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Launching the process to change the firewall settings
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed
Link:
https://www.filescan.io/uploads/6475843ac37391dd4a493d42/reports/0a234c1a-87c6-4220-97e4-fc841fcfd60d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c8924a67a575d9cfa51c09ce6ab1b06defda48a3d4ea764344cae6bbff66be40
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
Link:
https://analyze.intezer.com/analyses/2890984c-d94c-4c31-a385-0c8a8c49e831
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1244858
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Disables the Windows task manager (taskmgr)
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Sets debug register (to hijack the execution of another thread)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 877868 Sample: 21vJK3M02b.exe Startdate: 30/05/2023 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Multi AV Scanner detection for domain / URL 2->38 40 Antivirus detection for dropped file 2->40 42 8 other signatures 2->42 7 21vJK3M02b.exe 2 10 2->7         started        12 Microsoft Corporation.exe 2 2->12         started        process3 dnsIp4 34 mega22023.ddns.net 156.218.252.212, 1177, 49702 TE-ASTE-ASEG Egypt 7->34 26 C:\Users\user\...\Microsoft Corporation.exe, PE32 7->26 dropped 28 8b84cace2259fe45ab...c0Sound Service.exe, PE32 7->28 dropped 30 Microsoft Corporat...exe:Zone.Identifier, ASCII 7->30 dropped 32 8b84cace2259fe45ab...exe:Zone.Identifier, ASCII 7->32 dropped 44 Drops PE files to the startup folder 7->44 46 Uses netsh to modify the Windows network and firewall settings 7->46 48 Sets debug register (to hijack the execution of another thread) 7->48 50 2 other signatures 7->50 14 netsh.exe 3 7->14         started        16 netsh.exe 3 7->16         started        18 netsh.exe 3 7->18         started        file5 signatures6 process7 process8 20 conhost.exe 14->20         started        22 conhost.exe 16->22         started        24 conhost.exe 18->24         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c8924a67a575d9cfa51c09ce6ab1b06defda48a3d4ea764344cae6bbff66be40/
Threat name:
ByteCode-MSIL.Trojan.NjRAT
Create hunting rule
Status:
Malicious
First seen:
2023-04-22 21:48:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
28 of 37 (75.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zcjeuz5foxm47ji4bhhgvmnqnxx5usfd2tvhmq2ezltlx73gxzaa._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
01a7fccd0aa64adcaa13e7109f8c969cabefcba820efaafbd75c6cd28490fe64
njrat
3719f664482b9f165bab3a6baa43c8449591ae0ce67638ad0559bbf80a2d8dcb
njrat
388d43b34733a525ae8262da56bde92f33b6502ef9727b40cefc7a3911a3a514
njrat
3f26010f7df570783c73d5c0d852a4a1bb3929fa475179c0cb042eafa79be8c1
njrat
4dcb4259931593258d2e9adf7a0f8367c93da89e9c1c407d8ad3eb1c884c2258
njrat
71a0baa2c07547f62e47907ccfe44574a8eda034270492129c5bd2ed929bb4c6
njrat
9d21c24445a9dccac2a714bd2629b5ea714665f58b0acc5357b85d56c26b2c4e
njrat
a774920e31884f4c91f965e779818f1e552f461ba2f84864163ffc0bab6717ac
njrat
f39eb3c952eb90f63ffdac11c6721c4f434bb052957aa6178c2e0fe9529f2bf6
njrat
+ 204 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat evasion trojan
Link:
https://tria.ge/reports/230530-frd8fsff7s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops startup file
Disables Task Manager via registry modification
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
c8924a67a575d9cfa51c09ce6ab1b06defda48a3d4ea764344cae6bbff66be40
MD5 hash:
ffc7d0acf9f2f737c376ea810760cfdc
SHA1 hash:
bb9b4a8b8f340dd0b958df57358df64aa7117f42
Link:
https://www.unpac.me/results/bbc27e8f-0344-4234-8576-f6b5c69e8c4b/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c8924a67a575/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/c8924a67a575d9cfa51c09ce6ab1b06defda48a3d4ea764344cae6bbff66be40

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
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/393259/

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