MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2. 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 4 File information Comments
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SHA256 hash: 4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2
SHA3-384 hash: d3f7b52c4b07099a739d72fa4a0841708c378aa31169070ba5eb43453a3354531c7571abdc43ae8d53616bf9817f609b
SHA1 hash: e512e9a92247439ca3bbb8e412ec46f191025b41
MD5 hash: 3dcc9cfed0a716b6ad3c4f4aaf1a1f46
humanhash: oscar-carbon-beryllium-black
File name:4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2.exe
Download: download sample
Signature njrat
Create hunting rule
File size:1'464'320 bytes
First seen:2024-10-13 17:11:38 UTC
Last seen:2024-10-13 17:47:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'604 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:bvx5AU4Cte393UvHQbyGDfa1HSiSvcXKF41oVMz8f9ShSpwRs6MmgBXzAnPcWJ+G:bvPJ4Ue1IweVpSiGIec8Pr6MmgBX3H0g
Threatray 1'354 similar samples on MalwareBazaar
TLSH T1016533B08BFCF325EED8573568603601C362A4A6784F1C5E8DA0892A631FA5F065DFD7
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter Chainskilabs
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
418
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
freeware.exe
Verdict:
Malicious activity
Analysis date:
2024-10-13 06:11:08 UTC
Tags:
xworm remote
Link:
https://app.any.run/tasks/b7e521b9-c6f3-4275-afd7-76bf0348ebd3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.MulDrop21.55508.24332.14813.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=670b647b1d4ef219fa61e5eb
Tags:
Powershell Autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed vbnet
Link:
https://www.filescan.io/uploads/670bff6386f9fbacf7a06574/reports/ca8b38cb-149f-4ef3-a9d2-63842a0f2442/overview
Verdict:
Malicious
Labled as:
MSIL.Packy.Generic
Link:
https://www.hybrid-analysis.com/sample/4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2
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.
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/30e58439-e3e9-4861-807c-90610439e608
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1532626
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Connects to many ports of the same IP (likely port scanning)
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
Protects its processes via BreakOnTermination flag
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1532626 Sample: 7yJsmmW4wS.exe Startdate: 13/10/2024 Architecture: WINDOWS Score: 100 40 authors-reflections.gl.at.ply.gg 2->40 44 Suricata IDS alerts for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 10 other signatures 2->50 9 7yJsmmW4wS.exe 4 2->9         started        12 edge.exe 1 2->12         started        15 edge.exe 2->15         started        17 2 other processes 2->17 signatures3 process4 file5 34 C:\Users\user\AppData\Local\Temp\rat.exe, PE32 9->34 dropped 36 C:\Users\user\AppData\Local\...\freeware.exe, PE32+ 9->36 dropped 38 C:\Users\user\AppData\...\7yJsmmW4wS.exe.log, CSV 9->38 dropped 19 rat.exe 1 5 9->19         started        24 freeware.exe 1 9->24         started        60 Antivirus detection for dropped file 12->60 62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 66 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 15->66 signatures6 process7 dnsIp8 42 authors-reflections.gl.at.ply.gg 147.185.221.23, 19578, 49700, 49839 SALSGIVERUS United States 19->42 32 C:\Users\user\AppData\Roaming\edge.exe, PE32 19->32 dropped 52 Antivirus detection for dropped file 19->52 54 Multi AV Scanner detection for dropped file 19->54 56 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 19->56 58 3 other signatures 19->58 26 schtasks.exe 1 19->26         started        28 conhost.exe 24->28         started        file9 signatures10 process11 process12 30 conhost.exe 26->30         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2/
Threat name:
ByteCode-MSIL.Trojan.XWormRAT
Create hunting rule
Status:
Malicious
First seen:
2024-10-13 06:11:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jlwkzsad4vgma3ny4oue5einkn3plcdh4jbw5nukdgu4eayehpja._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
14b1d8af7272d1c0d8dc18a5342ed0186a70e6b24610ba31026cb2532b5d37c8
njrat
14cf7648123e018dcdfc2aa386135a0510a9f7b12b8bc125ad4e32fd7f16999c
njrat
25179f1c63031ba0b4daf7ff315f008d6f794eed2b5d486c796457cd4a8b4bce
njrat
4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2
njrat
4b0446befa42f4a40fd06635aaa72fb34dfbaa7575fb1f811df6f4fad90f53b4
njrat
error
njrat
f75b5ccf024c6b5864cb895eaca2752655c7efd8a4166f37c3cce78cd1eefe5f
njrat
+ 1'344 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm persistence rat trojan
Link:
https://tria.ge/reports/241013-vqtn3sxgng/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
authors-reflections.gl.at.ply.gg:19578
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/06e916fc-cfe0-4ded-a52e-36ef7d0be28f
Unpacked files
SH256 hash:
4e595f83d35193f5708f19d9d72f44eebf239e19f654a5e2983edbf6b3259c09
MD5 hash:
e7b4c904f015be8730d8157ed41613f1
SHA1 hash:
f66ef5cb1fe7d8d26b6dc56c59f663842a0f2a54
Detections:
win_xworm_w0
Create hunting rule
MALWARE_Win_XWorm
Create hunting rule
win_mal_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/0234c154-99e2-42a0-82a6-14f318378aca/
SH256 hash:
7ead32808ab47500ff3e36fc1b4702e797457acc46e2769cd23004e5faeb6761
MD5 hash:
bfdfa3fae0bf91d83dddf5a708dbefb1
SHA1 hash:
efde91e21be9cc72f232ff7eece993d044308bb7
Link:
https://www.unpac.me/results/0234c154-99e2-42a0-82a6-14f318378aca/
SH256 hash:
b9a4e40a5d80fedd1037eaed958f9f9efed41eb01ada73d51b5dcd86e27e0cbf
MD5 hash:
6d4159694e1754f262e326b52a3b305a
SHA1 hash:
d5fd9fe10405c4f90235e583526164cd0902ed86
Link:
https://www.unpac.me/results/0234c154-99e2-42a0-82a6-14f318378aca/
SH256 hash:
4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2
MD5 hash:
3dcc9cfed0a716b6ad3c4f4aaf1a1f46
SHA1 hash:
e512e9a92247439ca3bbb8e412ec46f191025b41
Link:
https://www.unpac.me/results/0234c154-99e2-42a0-82a6-14f318378aca/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2

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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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