MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b97710861c37a16498f15085ab4c578b2d6b83a80249530b3a33b1edaeb13618. 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: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: b97710861c37a16498f15085ab4c578b2d6b83a80249530b3a33b1edaeb13618
SHA3-384 hash: c34d265aeafd74c00c02dad1eb9e3f55c0c47a985965d2c161952c5fc812c62da4666126d625cb0bf4fb658a06000942
SHA1 hash: 3893739b1b8b0818973a417b41d2601d71a69c95
MD5 hash: d0cc9a5ec35365619ffdc1fc89f1750f
humanhash: queen-may-low-indigo
File name:b97710861c37a16498f15085ab4c578b2d6b83a80249530b3a33b1edaeb13618
Download: download sample
Signature Quakbot
File size:1'205'264 bytes
First seen:2020-09-21 08:31:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3bd7c16a16ad7d5b3966a30a82496732 (7 x Quakbot)
ssdeep 6144:tUg69tR5KCcCg8nqVbkQSaPOnNxRQVwSav4dyxDYoQYJUpg1MwE4s0m+Z1Af6kI:699trKTX84bkQfUO/aQdeMo3e+k4jAC7
Threatray 433 similar samples on MalwareBazaar
TLSH 6945D06AB777C491F3E91FF605E207AC5A7BA895BB214007259A3F1D7CF23903C2644A
Reporter JAMESWT_WT
Tags:DocsGen Software Solutions Inc. Qakbot qbot Quakbot signed

Code Signing Certificate

Organisation:DocsGen Software Solutions Inc.
Issuer:Sectigo RSA Code Signing CA
Algorithm:sha256WithRSAEncryption
Valid from:Sep 8 00:00:00 2020 GMT
Valid to:Sep 8 23:59:59 2021 GMT
Serial number: F8C2E08438BB0E9ADC955E4B493E5821
Intelligence: 5 malware samples on MalwareBazaar are signed with this code signing certificate
MalwareBazaar Blocklist:This certificate is on the MalwareBazaar code signing certificate blocklist (CSCB)
Thumbprint Algorithm:SHA256
Thumbprint: 459EF82EB5756E85922A4687D66BD6A0195834F955EDE35AE6C3039D97B00B5F
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Launching a process
Creating a window
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Contains functionality to compare user and computer (likely to detect sandboxes)
Contains functionality to detect virtual machines (IN, VMware)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Qbot
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 287972 Sample: gEuI0rxoWC Startdate: 21/09/2020 Architecture: WINDOWS Score: 100 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected Qbot 2->35 37 Machine Learning detection for sample 2->37 39 2 other signatures 2->39 7 gEuI0rxoWC.exe 4 2->7         started        11 gEuI0rxoWC.exe 2->11         started        13 gEuI0rxoWC.exe 2->13         started        process3 file4 29 C:\Users\user\AppData\...\dezxkgss.exe, PE32 7->29 dropped 31 C:\Users\...\dezxkgss.exe:Zone.Identifier, ASCII 7->31 dropped 43 Detected unpacking (changes PE section rights) 7->43 45 Detected unpacking (overwrites its own PE header) 7->45 47 Contains functionality to detect virtual machines (IN, VMware) 7->47 49 Contains functionality to compare user and computer (likely to detect sandboxes) 7->49 15 dezxkgss.exe 7->15         started        18 schtasks.exe 1 7->18         started        20 gEuI0rxoWC.exe 7->20         started        signatures5 process6 signatures7 51 Multi AV Scanner detection for dropped file 15->51 53 Detected unpacking (changes PE section rights) 15->53 55 Detected unpacking (overwrites its own PE header) 15->55 57 6 other signatures 15->57 22 explorer.exe 1 15->22         started        25 dezxkgss.exe 15->25         started        27 conhost.exe 18->27         started        process8 signatures9 41 Contains functionality to compare user and computer (likely to detect sandboxes) 22->41
Threat name:
Win32.Backdoor.Quakbot
Status:
Malicious
First seen:
2020-09-21 01:06:26 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
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.

Comments