MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fa4681fb15cc3c5628440572af17146f6244c7eab01c0beaf3be3a51d0840f0. 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: 10


Intelligence 10 IOCs YARA File information Comments

SHA256 hash: 4fa4681fb15cc3c5628440572af17146f6244c7eab01c0beaf3be3a51d0840f0
SHA3-384 hash: 5434d2a447f2d918f852eda43ae54a3a44346fe530f5181caab3340ccf47fb6399a41e15c41de0a56cd69369f47d8def
SHA1 hash: 25b200bb04b21cb45a429599b3635e66ee4e3bfd
MD5 hash: 8789a9765ff42d37dca2dd57d1e213fb
humanhash: lemon-butter-don-lemon
File name:4fa4681fb15cc3c5628440572af17146f6244c7eab01c0beaf3be3a51d0840f0
Download: download sample
Signature QuakBot
File size:3'679'184 bytes
First seen:2020-10-14 07:20:15 UTC
Last seen:2020-10-14 07:33:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 69130f777fe76a2bf8f47f76eeade0ad (14 x QuakBot)
ssdeep 6144:hLeKB/GlubKZFqhBG3bLSDo6N7vzh3O61/MetSyc2S2:hLF+Pks3K06hl3fDcT2
Threatray 600 similar samples on MalwareBazaar
TLSH C806BD61B87640B4FC6D38BEE090587A611A9D054FF2C926622378F9EDF7C8861F748D
Reporter JAMESWT_WT
Tags:OOO Largos Qakbot Quakbot

Code Signing Certificate

Organisation:OOO Largos
Issuer:Sectigo RSA Code Signing CA
Algorithm:sha256WithRSAEncryption
Valid from:Oct 9 00:00:00 2020 GMT
Valid to:Oct 9 23:59:59 2021 GMT
Serial number: 35590EBE4A02DC23317D8CE47A947A9B
Intelligence: 7 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: D9B60A67CF3C8964BE1E691D22B97932D40437BFEAD97A84C1350A2C57914F28
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
116
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
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
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: 297788 Sample: gJwS1dVplu Startdate: 14/10/2020 Architecture: WINDOWS Score: 100 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 Yara detected Qbot 2->35 37 4 other signatures 2->37 7 gJwS1dVplu.exe 4 2->7         started        11 gJwS1dVplu.exe 2->11         started        process3 file4 27 C:\Users\user\AppData\...\eqxdhyqq.exe, PE32 7->27 dropped 29 C:\Users\...\eqxdhyqq.exe:Zone.Identifier, ASCII 7->29 dropped 41 Detected unpacking (changes PE section rights) 7->41 43 Detected unpacking (overwrites its own PE header) 7->43 45 Contains functionality to detect virtual machines (IN, VMware) 7->45 47 Contains functionality to compare user and computer (likely to detect sandboxes) 7->47 13 eqxdhyqq.exe 7->13         started        16 schtasks.exe 1 7->16         started        18 gJwS1dVplu.exe 7->18         started        signatures5 process6 signatures7 49 Antivirus detection for dropped file 13->49 51 Multi AV Scanner detection for dropped file 13->51 53 Detected unpacking (changes PE section rights) 13->53 55 7 other signatures 13->55 20 explorer.exe 1 13->20         started        23 eqxdhyqq.exe 13->23         started        25 conhost.exe 16->25         started        process8 signatures9 39 Contains functionality to compare user and computer (likely to detect sandboxes) 20->39
Threat name:
Win32.Backdoor.Quakbot
Status:
Malicious
First seen:
2020-10-14 07:19:14 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
trojan banker stealer family:qakbot
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
Qakbot/Qbot
Unpacked files
SH256 hash:
4fa4681fb15cc3c5628440572af17146f6244c7eab01c0beaf3be3a51d0840f0
MD5 hash:
8789a9765ff42d37dca2dd57d1e213fb
SHA1 hash:
25b200bb04b21cb45a429599b3635e66ee4e3bfd
SH256 hash:
d076fd2c856f834b02d3705bf990020f7075312052fa724c24dad2065ecfe306
MD5 hash:
2cdec09babb71d87170b75dbf479451e
SHA1 hash:
f5a15d360d554c39affc4ec878d0db4d12f977d8
Detections:
win_qakbot_g0 win_qakbot_auto
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