MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66754a60d7bd7c6988abef8b65c1af304a15398246867911c5fe1d79be43f0ac. 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



Threat unknown


Vendor detections: 12


Intelligence 12 IOCs YARA 7 File information Comments 1

SHA256 hash: 66754a60d7bd7c6988abef8b65c1af304a15398246867911c5fe1d79be43f0ac
SHA3-384 hash: 8c1e4bc2ab626d9a1a316c9914c0c35c0f6494e584fb1c73f31ea23d0e92800cbf565714ee8bb1c0d75b66c2b11e09ac
SHA1 hash: 322f1252b3b49b2534bba070b255abb7c94f6ee5
MD5 hash: f850ca85a58b3a178281ca76f6dd8cdf
humanhash: fish-london-four-zebra
File name:f850ca85a58b3a178281ca76f6dd8cdf
Download: download sample
File size:54'784 bytes
First seen:2024-10-19 15:14:13 UTC
Last seen:2024-10-19 17:39:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'654 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 768:BXH/IXOWHuswCUea4gdRfwBjCUx298ri1Z60v1ivp2/0Ud/KxklEkjtV9OXLV:2eG2RdRGE8rit1ivpW/0klbZrOXx
Threatray 1 similar samples on MalwareBazaar
TLSH T1BF33E5313A4A8633EFDB87BCC4E7690DA3B2325A8511EE79588CE4D1CDE13694709BC5
TrID 71.0% (.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 zbetcheckin
Tags:32 exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
403
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f850ca85a58b3a178281ca76f6dd8cdf
Verdict:
Malicious activity
Analysis date:
2024-10-19 15:19:19 UTC
Tags:
loader xor-url generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Autorun Exploit Extens Micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
Connection attempt to an infection source
DNS request
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Unknown
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
92 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates multiple autostart registry keys
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: New RUN Key Pointing to Suspicious Folder
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1537800 Sample: cAHHSnHDJS.exe Startdate: 19/10/2024 Architecture: WINDOWS Score: 92 42 yalubluseks.eu 2->42 46 Antivirus / Scanner detection for submitted sample 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Sigma detected: New RUN Key Pointing to Suspicious Folder 2->50 52 2 other signatures 2->52 8 cAHHSnHDJS.exe 1 6 2->8         started        12 BraveBrowser.exe 2->12         started        14 BraveBrowser.exe 2->14         started        16 4 other processes 2->16 signatures3 process4 file5 36 C:\Users\user\AppData\...\BraveBrowser.exe, PE32 8->36 dropped 38 C:\Users\...\BraveBrowser.exe:Zone.Identifier, ASCII 8->38 dropped 40 C:\Users\user\AppData\...\cAHHSnHDJS.exe.log, CSV 8->40 dropped 62 Creates multiple autostart registry keys 8->62 18 BraveBrowser.exe 16 6 8->18         started        23 WerFault.exe 21 12->23         started        25 WerFault.exe 21 14->25         started        27 WerFault.exe 16->27         started        signatures6 process7 dnsIp8 44 yalubluseks.eu 172.67.140.92, 443, 49706, 49707 CLOUDFLARENETUS United States 18->44 32 C:\Users\user\AppData\Local\...\Chromium.exe, PE32 18->32 dropped 34 C:\Users\...\Chromium.exe:Zone.Identifier, ASCII 18->34 dropped 54 Antivirus detection for dropped file 18->54 56 Multi AV Scanner detection for dropped file 18->56 58 Machine Learning detection for dropped file 18->58 60 Creates multiple autostart registry keys 18->60 29 Chromium.exe 18->29         started        file9 signatures10 process11 signatures12 64 Antivirus detection for dropped file 29->64 66 Multi AV Scanner detection for dropped file 29->66 68 Machine Learning detection for dropped file 29->68
Threat name:
Win32.Dropper.Generic
Status:
Suspicious
First seen:
2024-10-19 15:15:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
7 of 38 (18.42%)
Threat level:
  3/5
Verdict:
suspicious
Label(s):
sectoprat
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
66754a60d7bd7c6988abef8b65c1af304a15398246867911c5fe1d79be43f0ac
MD5 hash:
f850ca85a58b3a178281ca76f6dd8cdf
SHA1 hash:
322f1252b3b49b2534bba070b255abb7c94f6ee5
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_XORed_URL_In_EXE
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834

File information


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

Web download

Executable exe 66754a60d7bd7c6988abef8b65c1af304a15398246867911c5fe1d79be43f0ac

(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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments



Avatar
zbet commented on 2024-10-19 15:14:13 UTC

url : hxxp://web.johnmccrea.com/css/67065a0933c9e_UUESUpdater.exe