MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 540a100758216fb7208e692e0382995160213cd05d3b8c9d6b86a329b57758f8. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 540a100758216fb7208e692e0382995160213cd05d3b8c9d6b86a329b57758f8
SHA3-384 hash: d95025d6a4ee2accd3ba48b3e5d9a60b0bb4beebcb456a71545866e8203b27e666a808e513d7c065e3be14cb48f8aa10
SHA1 hash: e6f164e2004d5283519461f724cc3aac100c9834
MD5 hash: 5b3effc20bcd76603e7d9cd3674be17c
humanhash: uranus-nuts-ten-angel
File name:540a100758216fb7208e692e0382995160213cd05d3b8c9d6b86a329b57758f8
Download: download sample
Signature QuakBot
File size:3'679'184 bytes
First seen:2020-11-06 10:45:26 UTC
Last seen:2020-11-07 12:51:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 69130f777fe76a2bf8f47f76eeade0ad (14 x QuakBot)
ssdeep 6144:ELeKB/GlubKZFqhBG3bLSDo6N7vzh3O61/betSyc2SG:ELF+Pks3K06hl3facTG
Threatray 778 similar samples on MalwareBazaar
TLSH 6C06BD61B87640B4FC6D38BEE090587A611A9D054FF2C926622378F9EDF7C8861F748D
Reporter seifreed
Tags:Quakbot

Intelligence


File Origin
# of uploads :
2
# of downloads :
53
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
Enabling autorun by creating a file
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Binary contains a suspicious time stamp
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: 310557 Sample: Rk5w7BXYoh Startdate: 06/11/2020 Architecture: WINDOWS Score: 100 33 Antivirus / Scanner detection for submitted sample 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected Qbot 2->37 39 4 other signatures 2->39 7 Rk5w7BXYoh.exe 4 2->7         started        11 Rk5w7BXYoh.exe 2->11         started        13 Rk5w7BXYoh.exe 2->13         started        process3 file4 29 C:\Users\user\AppData\...\urwxlshy.exe, PE32 7->29 dropped 31 C:\Users\...\urwxlshy.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 urwxlshy.exe 7->15         started        18 schtasks.exe 1 7->18         started        20 Rk5w7BXYoh.exe 7->20         started        signatures5 process6 signatures7 51 Antivirus detection for dropped file 15->51 53 Multi AV Scanner detection for dropped file 15->53 55 Detected unpacking (changes PE section rights) 15->55 57 7 other signatures 15->57 22 explorer.exe 1 15->22         started        25 urwxlshy.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:
2020-10-26 12:01:26 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:qakbot banker stealer trojan
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
Qakbot/Qbot
Unpacked files
SH256 hash:
540a100758216fb7208e692e0382995160213cd05d3b8c9d6b86a329b57758f8
MD5 hash:
5b3effc20bcd76603e7d9cd3674be17c
SHA1 hash:
e6f164e2004d5283519461f724cc3aac100c9834
SH256 hash:
62b6627eed221381c1546abc2683c8db2881d8df38cffc4e2e0242e89f6a8511
MD5 hash:
c2dd28c81025e3af8274df9d378d8e3f
SHA1 hash:
9c79d9ff1ee7fcbbf7bf9e614193c5902eeec53b
Detections:
win_qakbot_g0 win_qakbot_auto
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:ach_Quakbot_20200929
Author:abuse.ch
Description:Detects QuakBot PE
Rule name:QakBot
Author:kevoreilly
Description:QakBot Payload
Rule name:win_qakbot_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

  
Delivery method
Other

Comments