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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64b1f050cbe98f8ecdc56cf7fb3a2a96fdeb3d5bad2053db36ba12a5fe5e92bb. 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


SilverRAT


Vendor detections: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 64b1f050cbe98f8ecdc56cf7fb3a2a96fdeb3d5bad2053db36ba12a5fe5e92bb
SHA3-384 hash: a182f0eabe5123f9a94bdf9e18709065d443225d9bd6d5298d1ee09cb16b9d51a42e50af54af54e310140ff5f874d4b7
SHA1 hash: 3aab068d8c443560d02e4b58cf05e8f1b6d70f93
MD5 hash: 5ec3267acfd4ef36cbfb796016142892
humanhash: green-video-lake-potato
File name:3aab068d8c443560d02e4b58cf05e8f1b6d70f93
Download: download sample
Signature SilverRAT
Create hunting rule
File size:46'592 bytes
First seen:2024-11-09 21:51:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 768:+bzAM+pp779X5zgiYVLWQ6l6+RULQW59Phnmz1QB6Sxy8vrI/bV:+bzAM+nrzmLl6lFGsa941Qo+y8s/bV
TLSH T110236B007BCD8679E6BD5B3869F1422A4AB5F1A35512E78E1CC840EB1D13BC98B817F6
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter NDA0E
Tags:exe SilverRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
389
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
3aab068d8c443560d02e4b58cf05e8f1b6d70f93
Verdict:
Malicious activity
Analysis date:
2024-11-09 21:52:28 UTC
Tags:
asyncrat ims-api generic qrcode discord exfiltration stealer
Link:
https://app.any.run/tasks/97083bca-0c84-45a4-a910-8ae5e18cbb60

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Msilzilla-10016246-0
Create hunting rule

Win.Packed.Msilzilla-10016285-0
Create hunting rule

Win.Packed.Msilzilla-10016286-0
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=672fd9b41621f8e41b8f0e6d
Tags:
autorun dropper shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Launching a service
Adding an access-denied ACE
Creating a file in the %AppData% subdirectories
Launching a process
Creating a process with a hidden window
Creating a file in the %temp% directory
Running batch commands
Creating a file
Creating a process from a recently created file
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin njrat rat schtasks vbnet
Link:
https://www.filescan.io/uploads/672fd9844bd1434294b84e1e/reports/a4b59e6b-861e-4f87-b7a1-027780922e95/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/64b1f050cbe98f8ecdc56cf7fb3a2a96fdeb3d5bad2053db36ba12a5fe5e92bb
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/73005eb1-4822-4fd0-9f7b-ca9d5e7b10ca
Result
Threat name:
SilverRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1552937
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Contains functionality to log keystrokes (.Net Source)
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected SilverRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1552937 Sample: Xyq6rvzLJs.exe Startdate: 09/11/2024 Architecture: WINDOWS Score: 100 59 kanibal.mooo.com 2->59 61 discord.com 2->61 69 Antivirus / Scanner detection for submitted sample 2->69 71 Multi AV Scanner detection for submitted file 2->71 73 Yara detected SilverRat 2->73 75 6 other signatures 2->75 10 Xyq6rvzLJs.exe 1 8 2->10         started        14 $77EAAntiCheat.Installler.exe 3 2->14         started        signatures3 process4 file5 55 C:\Users\...\$77EAAntiCheat.Installler.exe, PE32+ 10->55 dropped 57 C:\Users\user\AppData\...\Xyq6rvzLJs.exe.log, CSV 10->57 dropped 85 Uses cmd line tools excessively to alter registry or file data 10->85 16 cmd.exe 1 10->16         started        18 attrib.exe 1 10->18         started        20 attrib.exe 1 10->20         started        signatures6 process7 process8 22 $77EAAntiCheat.Installler.exe 14 3 16->22         started        26 conhost.exe 16->26         started        28 timeout.exe 1 16->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        dnsIp9 63 kanibal.mooo.com 141.98.102.187, 29853, 49707, 49709 M247GB Romania 22->63 65 discord.com 162.159.137.232, 443, 49706 CLOUDFLARENETUS United States 22->65 77 Antivirus detection for dropped file 22->77 79 Multi AV Scanner detection for dropped file 22->79 81 Machine Learning detection for dropped file 22->81 83 Uses schtasks.exe or at.exe to add and modify task schedules 22->83 34 powershell.exe 23 22->34         started        37 schtasks.exe 1 22->37         started        39 schtasks.exe 1 22->39         started        41 2 other processes 22->41 signatures10 process11 signatures12 67 Loading BitLocker PowerShell Module 34->67 43 conhost.exe 34->43         started        45 WmiPrvSE.exe 34->45         started        47 conhost.exe 37->47         started        49 conhost.exe 39->49         started        51 conhost.exe 41->51         started        53 conhost.exe 41->53         started        process13
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/64b1f050cbe98f8ecdc56cf7fb3a2a96fdeb3d5bad2053db36ba12a5fe5e92bb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/64b1f050cbe98f8ecdc56cf7fb3a2a96fdeb3d5bad2053db36ba12a5fe5e92bb/
Threat name:
ByteCode-MSIL.Backdoor.Asyncrat
Create hunting rule
Status:
Malicious
First seen:
2024-11-09 14:04:39 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=msy7augl5ghy5tofnt37works366wpk3vuqfhwzwxijkl7s6sk5q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion execution persistence
Link:
https://tria.ge/reports/241109-1q2ycawkfm/
Behaviour
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Views/modifies file attributes
Enumerates physical storage devices
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Sets file to hidden
Malware Family:
n/a
Verdict:
Malicious
Tags:
Win.Packed.Msilzilla-10016246-0
YARA:
n/a
Link:
https://app.threat.zone/submission/d18431e2-2b9e-4bff-b3e4-4313a4d633ab
Unpacked files
SH256 hash:
64b1f050cbe98f8ecdc56cf7fb3a2a96fdeb3d5bad2053db36ba12a5fe5e92bb
MD5 hash:
5ec3267acfd4ef36cbfb796016142892
SHA1 hash:
3aab068d8c443560d02e4b58cf05e8f1b6d70f93
Link:
https://www.unpac.me/results/bd6e5fd9-8790-4aaf-bff3-2a6e1f484c9b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/64b1f050cbe98f8ecdc56cf7fb3a2a96fdeb3d5bad2053db36ba12a5fe5e92bb

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:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

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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