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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd82aabebd4b206d46ba0d6f3cbdcb9ea620086dba75851c03fd618a3c96b439. 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



Quakbot


Vendor detections: 7


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: fd82aabebd4b206d46ba0d6f3cbdcb9ea620086dba75851c03fd618a3c96b439
SHA3-384 hash: 537ac9ac59ae981c0c87c1dd2692d2097865bb64c264ac414afa93f195c6081466cc4fb8af69ea8096c535b70d25c878
SHA1 hash: 15169635aa7e7cf51b8dcc162ee905f61e71edfd
MD5 hash: 2bc8f06b2904d42bd14dc333b69e4c9b
humanhash: spaghetti-florida-quebec-delta
File name:Document #33088.DOCX .js
Download: download sample
Signature Quakbot
File size:117'416 bytes
First seen:2023-03-02 18:40:38 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 3072:jW930DchmpEjNJkJJFRCd3NMJ1oYfJnyUMsFr9ZXyOjVlNEuyK3kY7cbeGCyLEFm:jWRr0i
TLSH T1FEB3344C7ED7A808623EB27F630B9D14E1150B6705491A5B783DE538EFF2214BB92DB8
Reporter k3dg3___
Tags:BB17 js qbot Quakbot ta577

Intelligence


File Origin
# of uploads :
1
# of downloads :
309
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated rundll32.exe
Verdict:
Suspicious
Labled as:
SVM:TrojanDownloader/JS.Nemucod
Result
Threat name:
Unknown
Detection:
malicious
Classification:
bank.evad
Score:
92 / 100
Signature
Downloads files with wrong headers with respect to MIME Content-Type
Encrypted powershell cmdline option found
JavaScript source code contains functionality to generate code involving a shell, file or stream
JScript performs obfuscated calls to suspicious functions
Malicious encrypted Powershell command line found
Maps a DLL or memory area into another process
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Powershell drops PE file
Sample has a suspicious name (potential lure to open the executable)
Uses an obfuscated file name to hide its real file extension (double extension)
Wscript starts Powershell (via cmd or directly)
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 818905 Sample: Document  #33088.DOCX .js Startdate: 02/03/2023 Architecture: WINDOWS Score: 92 37 JavaScript source code contains functionality to generate code involving a shell, file or stream 2->37 39 Uses an obfuscated file name to hide its real file extension (double extension) 2->39 41 Sample has a suspicious name (potential lure to open the executable) 2->41 43 Downloads files with wrong headers with respect to MIME Content-Type 2->43 11 wscript.exe 1 2->11         started        process3 signatures4 47 Malicious encrypted Powershell command line found 11->47 49 JScript performs obfuscated calls to suspicious functions 11->49 51 Wscript starts Powershell (via cmd or directly) 11->51 14 cmd.exe 1 11->14         started        process5 signatures6 57 Malicious encrypted Powershell command line found 14->57 59 Wscript starts Powershell (via cmd or directly) 14->59 61 Encrypted powershell cmdline option found 14->61 17 powershell.exe 14 16 14->17         started        22 conhost.exe 14->22         started        process7 dnsIp8 35 138.197.74.198, 49698, 80 DIGITALOCEAN-ASNUS United States 17->35 33 C:\Users\Public\Documents\ssd.dll, PE32 17->33 dropped 45 Powershell drops PE file 17->45 24 cmd.exe 1 17->24         started        file9 signatures10 process11 process12 26 rundll32.exe 24->26         started        process13 28 rundll32.exe 26->28         started        signatures14 53 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 28->53 55 Maps a DLL or memory area into another process 28->55 31 wermgr.exe 8 1 28->31         started        process15
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Blocklisted process makes network request
Malware Config
Dropper Extraction:
http://138.197.74.198/eRV/020
http://157.245.254.227/EMs6DTE/020
http://143.244.147.175/3r7w/020
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Quakbot

Java Script (JS) js fd82aabebd4b206d46ba0d6f3cbdcb9ea620086dba75851c03fd618a3c96b439

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments