MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d676f92e3cfb3f674b0981065fab385d407f3d33857f16fe568ccbb526a64136. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d676f92e3cfb3f674b0981065fab385d407f3d33857f16fe568ccbb526a64136
SHA3-384 hash: 1f46486ad036437c1302b3cbec9a95ba1c126d03094457f8bac89c6aed7b2fa592301318233f14e131351a25c484dfa8
SHA1 hash: a315be219c2ba9fb2169e5c5f8cb149cce4ac7f9
MD5 hash: ce19ffc8485c25ad4c78168fcddedcae
humanhash: uranus-glucose-cat-georgia
File name:d676f92e3cfb3f674b0981065fab385d407f3d33857f16fe568ccbb526a64136
Download: download sample
Signature Quakbot
Create hunting rule
File size:4'521'448 bytes
First seen:2020-09-22 05:24:11 UTC
Last seen:2020-09-22 06:06:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4063debff68bd9373769a22be19c52b7 (13 x Quakbot)
ssdeep 24576:DIydQMFmTIaG+hzgK/sdZvaKBaJh+TxyQF:1dnj5IzgK/sdZvaKBaJhgt
TLSH 4B26EE73BDCC1F69C7C7803055B9439E4EE70D0A1AD1A60DA976FE0CFAB59B22029635
Reporter JAMESWT_WT
Tags:Master Networking s.r.o. Qakbot Quakbot signed

Code Signing Certificate

Organisation:Master Networking s.r.o.
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: 5B440A47E8CE3DD202271E5C7A666C78
Intelligence: 12 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: 07E4CBDD52027E38B86727E88B33A0A1D49FE18F5AEE4101353DD371D7A28DA5
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Detection:
QakBot
Create hunting rule
Link:
https://www.capesandbox.com/analysis/64295/
Detection(s):
SecuriteInfo.com.Trojan.QakBot.17.26707.13008.UNOFFICIAL
Create hunting rule

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:
Qbot
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/472018
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 288444 Sample: q3jedYDcSQ Startdate: 22/09/2020 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 3 other signatures 2->37 7 q3jedYDcSQ.exe 4 2->7         started        11 q3jedYDcSQ.exe 2->11         started        process3 file4 27 C:\Users\user\AppData\...\puumrxzq.exe, PE32 7->27 dropped 29 C:\Users\...\puumrxzq.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 puumrxzq.exe 7->13         started        16 schtasks.exe 1 7->16         started        18 q3jedYDcSQ.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 puumrxzq.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
Detection:
qakbot
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d676f92e3cfb3f674b0981065fab385d407f3d33857f16fe568ccbb526a64136/
Threat name:
Win32.Trojan.PinkSbot
Create hunting rule
Status:
Malicious
First seen:
2020-09-22 05:26:09 UTC
File Type:
PE (Exe)
Extracted files:
35
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
qakbot
Create hunting rule
Score:
  10/10
Tags:
trojan banker stealer family:qakbot
Link:
https://tria.ge/reports/200922-pwh7656tqx/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Qakbot/Qbot
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d676f92e3cfb3f674b0981065fab385d407f3d33857f16fe568ccbb526a64136

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:win_qakbot_auto
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/64295/

Comments