MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f628663f71e3baa55f10e6021597f7860bef868284eb50b8958169dcbbff4fd. 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



KeyzetsuClipper


Vendor detections: 17


Intelligence 17 IOCs YARA 6 File information Comments 1

SHA256 hash: 5f628663f71e3baa55f10e6021597f7860bef868284eb50b8958169dcbbff4fd
SHA3-384 hash: 8d3b8a866ff27ea6fe1b020c75d4fcd2a23d0ad7450a874a36ba8e96babf59820b23e5de8216f68523b84b0c884b824d
SHA1 hash: 4e2a885b9387fcf040b7eb79892de2f9fe55bca4
MD5 hash: bed8cdced2d57be2bd750f0f59991ecd
humanhash: nuts-quebec-music-coffee
File name:bed8cdced2d57be2bd750f0f59991ecd
Download: download sample
Signature KeyzetsuClipper
File size:631'296 bytes
First seen:2024-07-07 05:54:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:22QRXDD1yed0fsU4GSWgOvPESGj4s32xEdRCSHsjAZi96VG6wl:22Q9NXw2/wPOjdGxYADEVU
TLSH T132D4AE2439FB5019F373AF7A8BE4B59E996EF7233B065449209103468B23981DED273D
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter zbetcheckin
Tags:32 exe KeyzetsuClipper

Intelligence


File Origin
# of uploads :
1
# of downloads :
361
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
redline
ID:
1
File name:
9085e6327177bb47cf43a8d8ed0c24fcfd50cde4199c5130f2b97b2508e9aabc.exe
Verdict:
Malicious activity
Analysis date:
2024-07-06 11:26:34 UTC
Tags:
loader crypto-regex telegram opendir stealer redline metastealer evasion rat asyncrat remote phishing exfiltration pastebin

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Execution Generic Network Stealth Trojan Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file
Launching a process
DNS request
Connection attempt
Sending a custom TCP request
Creating a process from a recently created file
Creating a file in the %temp% directory
Running batch commands
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
clipbanker packed
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:
Keyzetsu Clipper
Verdict:
Malicious
Result
Threat name:
Keyzetsu Clipper
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found many strings related to Crypto-Wallets (likely being stolen)
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
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected Keyzetsu Clipper
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1468643 Sample: z9c2rA23iT.exe Startdate: 07/07/2024 Architecture: WINDOWS Score: 100 34 api.telegram.org 2->34 38 Antivirus / Scanner detection for submitted sample 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected Keyzetsu Clipper 2->42 46 4 other signatures 2->46 8 z9c2rA23iT.exe 15 10 2->8         started        13 accc.exe 1 2->13         started        signatures3 44 Uses the Telegram API (likely for C&C communication) 34->44 process4 dnsIp5 36 api.telegram.org 149.154.167.220, 443, 49704, 49705 TELEGRAMRU United Kingdom 8->36 28 C:\ProgramData\KMSAuto\accc.exe, PE32 8->28 dropped 30 C:\Users\user\AppData\...\z9c2rA23iT.exe.log, CSV 8->30 dropped 32 C:\ProgramData\...\accc.exe:Zone.Identifier, ASCII 8->32 dropped 48 Found many strings related to Crypto-Wallets (likely being stolen) 8->48 50 Uses schtasks.exe or at.exe to add and modify task schedules 8->50 15 accc.exe 14 2 8->15         started        18 cmd.exe 1 8->18         started        20 schtasks.exe 1 8->20         started        file6 signatures7 process8 signatures9 52 Antivirus detection for dropped file 15->52 54 Multi AV Scanner detection for dropped file 15->54 56 Machine Learning detection for dropped file 15->56 22 conhost.exe 18->22         started        24 timeout.exe 1 18->24         started        26 conhost.exe 20->26         started        process10
Threat name:
ByteCode-MSIL.Infostealer.ClipBanker
Status:
Malicious
First seen:
2024-07-02 18:34:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Behaviour
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Deletes itself
Executes dropped EXE
Unpacked files
SH256 hash:
5f628663f71e3baa55f10e6021597f7860bef868284eb50b8958169dcbbff4fd
MD5 hash:
bed8cdced2d57be2bd750f0f59991ecd
SHA1 hash:
4e2a885b9387fcf040b7eb79892de2f9fe55bca4
Detections:
INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
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:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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.

Web download

KeyzetsuClipper

Executable exe 5f628663f71e3baa55f10e6021597f7860bef868284eb50b8958169dcbbff4fd

(this sample)

  
Delivery method
Distributed via web download

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



Avatar
zbet commented on 2024-07-07 05:54:40 UTC

url : hxxp://www.igenius.org/Installer.exe