MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c839863452a16a4d99b13065cf93b09547d04b86ba649a8b40976122ff67a74. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c839863452a16a4d99b13065cf93b09547d04b86ba649a8b40976122ff67a74
SHA3-384 hash: c678253b4a504c9e2d6463f537daa88304c45d37921730256a7411c8887a7c984bfe8ca6f2b23914c7c141d09d28654a
SHA1 hash: a6e2f7e14a60a184a58b37a6aa1593210ebfa6bd
MD5 hash: 5322ece916271ad6517a171be2a5a378
humanhash: utah-saturn-river-autumn
File name:Receipt-#202431029B.exe
Download: download sample
Signature njrat
Create hunting rule
File size:633'344 bytes
First seen:2024-12-31 12:27:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:wcMCwy9EXX+DE+c0bai72C/1Vlj/C/cyCoKaN:JwFOwV0LZd00oKQ
TLSH T197D4CF14776DCB06D53947F00A60E6B8137A7D8EB812E20F6ED97EEF3872B055A10683
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
File icon (PE):PE icon
dhash icon 32b89ab2b296d2d2 (1 x njrat, 1 x AsyncRAT)
Reporter Anonymous
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
496
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Receipt-#202431029B.exe
Verdict:
Malicious activity
Analysis date:
2024-12-31 12:29:51 UTC
Tags:
xworm crypto-regex
Link:
https://app.any.run/tasks/010bd10f-4948-412c-a23b-b7b5f4ea15a6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Pwsx-10039638-0
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6773e35474a2bd296e24bd45
Tags:
autorun keylog virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Connection attempt
Setting a global event handler for the keyboard
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4c839863452a16a4d99b13065cf93b09547d04b86ba649a8b40976122ff67a74
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bdd571f1-173e-45f3-899b-55dcb4e72861
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1582779
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1582779 Sample: Receipt-#202431029B.exe Startdate: 31/12/2024 Architecture: WINDOWS Score: 100 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 15 other signatures 2->60 7 Receipt-#202431029B.exe 7 2->7         started        11 XetHVID.exe 2->11         started        process3 file4 40 C:\Users\user\AppData\Roaming\XetHVID.exe, PE32 7->40 dropped 42 C:\Users\user\...\XetHVID.exe:Zone.Identifier, ASCII 7->42 dropped 44 C:\Users\user\AppData\Local\...\tmp2668.tmp, XML 7->44 dropped 46 C:\Users\user\...\Receipt-#202431029B.exe.log, ASCII 7->46 dropped 62 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->62 64 Uses schtasks.exe or at.exe to add and modify task schedules 7->64 66 Adds a directory exclusion to Windows Defender 7->66 13 Receipt-#202431029B.exe 6 7->13         started        17 powershell.exe 23 7->17         started        20 powershell.exe 23 7->20         started        22 schtasks.exe 1 7->22         started        68 Multi AV Scanner detection for dropped file 11->68 70 Machine Learning detection for dropped file 11->70 72 Injects a PE file into a foreign processes 11->72 24 schtasks.exe 11->24         started        26 XetHVID.exe 11->26         started        signatures5 process6 dnsIp7 50 154.39.0.150, 49735, 49736, 49742 COGENT-174US United States 13->50 48 C:\Users\user\AppData\Roaming48otepab.exe, PE32 13->48 dropped 28 WerFault.exe 13->28         started        52 Loading BitLocker PowerShell Module 17->52 30 conhost.exe 17->30         started        32 WmiPrvSE.exe 17->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        file8 signatures9 process10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4c839863452a16a4d99b13065cf93b09547d04b86ba649a8b40976122ff67a74
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c839863452a16a4d99b13065cf93b09547d04b86ba649a8b40976122ff67a74/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-12-10 13:45:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
63
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jsbzqy2ffilkjwm3cmdfz6j3bfkh2bfynotetkfubf3bel7wpj2a._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
xworm
Create hunting rule
Similar samples:
error
njrat
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery execution rat trojan
Link:
https://tria.ge/reports/241231-pnbgtsspbn/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
154.39.0.150:5200
Verdict:
Malicious
Tags:
Win.Packed.Pwsx-10039638-0
YARA:
n/a
Link:
https://app.threat.zone/submission/068b32a1-ec37-4359-b6c1-b3e1e716d5d3
Unpacked files
SH256 hash:
e26d34c0bafe5f5b68063411b7ac3e64c43de5970d5f08e69c22a2d45a44365d
MD5 hash:
ea6816505a3f0d52add3cf67135bac74
SHA1 hash:
b6b53ed84195910959d66df61fea8d3bdcb6cb73
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/05692ebd-56a5-4e8b-ad8a-b7a8d00e66e6/
SH256 hash:
2fef79874cf9f038ce2e6892c03dea1cc23f39a1cebe6500beac276e0d00494b
MD5 hash:
77f472c207ec2cc123c04633607a4e61
SHA1 hash:
7b905cd11273520effaaf18642dce6f92e933b61
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/05692ebd-56a5-4e8b-ad8a-b7a8d00e66e6/
Parent samples :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 hash:
eabc8b347e98f3ed3fbeb04d1a667776e19f4e017021abd7f0135faee4c2128f
MD5 hash:
9e8a521641681ffdc1a45fffe5f6342a
SHA1 hash:
6ba205cd85fa3245bbf8a43caf98772adf88097d
Detections:
win_xworm_bytestring
Create hunting rule
win_mal_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
MALWARE_Win_XWorm
Create hunting rule
Link:
https://www.unpac.me/results/05692ebd-56a5-4e8b-ad8a-b7a8d00e66e6/
SH256 hash:
4c839863452a16a4d99b13065cf93b09547d04b86ba649a8b40976122ff67a74
MD5 hash:
5322ece916271ad6517a171be2a5a378
SHA1 hash:
a6e2f7e14a60a184a58b37a6aa1593210ebfa6bd
Link:
https://www.unpac.me/results/05692ebd-56a5-4e8b-ad8a-b7a8d00e66e6/
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4c839863452a/report/overview.html
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/4c839863452a16a4d99b13065cf93b09547d04b86ba649a8b40976122ff67a74

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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

Comments