MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f15e75823d25a23ed5ec3c5236b514add35a9a104803f0e16527c087f8a7c26b. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f15e75823d25a23ed5ec3c5236b514add35a9a104803f0e16527c087f8a7c26b
SHA3-384 hash: b37fded158f6f455b820f0d75f98c46019803d0e5b87328258f25e401fe4d024bdd7326e4021de3a0ac6ea01c40fddf7
SHA1 hash: 55d668b55343a3005d262877ed712a27ddd00f7a
MD5 hash: 911f631ebab8067b441fdb00ffae1efe
humanhash: tennis-july-happy-whiskey
File name:911f631ebab8067b441fdb00ffae1efe.exe
Download: download sample
Signature Quakbot
Create hunting rule
File size:3'679'184 bytes
First seen:2020-10-15 10:24:58 UTC
Last seen:2020-10-15 10:57:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 69130f777fe76a2bf8f47f76eeade0ad (14 x QuakBot)
ssdeep 6144:mLeKB/GlubKZFqhBG3bLSDo6N7vzh3O61/retSyc2S:mLF+Pks3K06hl3f6cT
Threatray 608 similar samples on MalwareBazaar
TLSH FB06BD61B87640B4FC6D38BEE090587A611A9D054FF2C926622378F9EDF7C8861F748D
Reporter abuse_ch
Tags:exe Qakbot qbot Quakbot RASSVET OOO

Code Signing Certificate

Organisation:RASSVET
Issuer:Sectigo RSA Code Signing CA
Algorithm:sha256WithRSAEncryption
Valid from:Oct 10 00:00:00 2020 GMT
Valid to:Oct 10 23:59:59 2021 GMT
Serial number: 4B03CABE6A0481F17A2DBEB9AEFAD425
Intelligence: 2 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: 2E86CB95AA7E4C1F396E236B41BB184787274BB286909B60790B98F713B58777
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.BackDoor.Qbot.540.7819.27294.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
Creating a window
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/492146
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 298521 Sample: 3lS6IsEcIk.exe Startdate: 15/10/2020 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 3lS6IsEcIk.exe 4 2->7         started        11 3lS6IsEcIk.exe 2->11         started        process3 file4 27 C:\Users\user\AppData\Roaming\...\ewemmk.exe, PE32 7->27 dropped 29 C:\Users\user\...\ewemmk.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 ewemmk.exe 7->13         started        16 schtasks.exe 1 7->16         started        18 3lS6IsEcIk.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 ewemmk.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/f15e75823d25a23ed5ec3c5236b514add35a9a104803f0e16527c087f8a7c26b/
Threat name:
Win32.Backdoor.Quakbot
Create hunting rule
Status:
Malicious
First seen:
2020-10-15 10:26:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6fphlar5ewrd5vpmhrjdnniuvxjvvgqqjab7bylfe7aip6fhyjvq._file
Verdict:
malicious
Similar samples:
32220996b68372094466e590f4fc8af6f2a4815a2209c6ac5e3f6e5b8f0a437d
Quakbot
37a322fd6c3979ed6fcfb330913d06216407f21013832804a42e2b0d74dc24d5
Quakbot
4b231fea483d6349aecc70f62ef4ea61c81f09f00e691b74011fd9f5c6b7016d
Quakbot
4fa4681fb15cc3c5628440572af17146f6244c7eab01c0beaf3be3a51d0840f0
Quakbot
53ffe9bebd26484b58c29c9ed5700881086975057f9379bcffc1ebf40f7cedb6
Quakbot
617eec7fa8d8e94b3307417d42a08c7cd21f2a70d58547b65f1a8d7c4437abd5
Quakbot
77156ec82469bc688ff6fc4c82ceb4e725347dcdc1ea0282d44de212b53d564e
Quakbot
997c6f1d8c2bb2028ee0ab542962c868b573c437fb0f19745a0f48602e9736f1
Quakbot
9d21dbbe1f004ea29a34c94a4370d030f5666f993f8a602659c22e68cfacc62a
Quakbot
b31a8c0636d44f543596dd687ed7c75da9b81ff2af465d762f2748b2616df8c4
Quakbot
+ 598 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Link:
https://tria.ge/reports/201015-p3gnybqpgj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
Adds Run key to start application
Unpacked files
SH256 hash:
78e900b5aa34da7a9e0f1a44f1f06714338626e2937305ca19504087b95e931a
MD5 hash:
e6b9e36a1fe2ef4508508fb54af7ad35
SHA1 hash:
53bc63bd513af7c594d531171126d6395d76e26d
Detections:
win_qakbot_auto
Create hunting rule
Link:
https://www.unpac.me/results/b9abc2a8-feaa-4e46-af9e-5381b86bb399/
Parent samples :
4fa4681fb15cc3c5628440572af17146f6244c7eab01c0beaf3be3a51d0840f0
8c49be90285a5ada8bee98689b977f70cf56d0bde7958336e8661570b0393c18
f15e75823d25a23ed5ec3c5236b514add35a9a104803f0e16527c087f8a7c26b
eda50870fc509288646387492ecad9cb3ce463675097548cb17d9991c7fbc07c
540a100758216fb7208e692e0382995160213cd05d3b8c9d6b86a329b57758f8
SH256 hash:
ee29317102215d04d262afe4ba71e0e9bb8fb24fd447fbc4294838d26d28475f
MD5 hash:
6e8972ea4dcec10c049d6144872988ac
SHA1 hash:
c367c783213732ad113db07ebe511d8476b0b4dc
Detections:
win_qakbot_g0
Create hunting rule
win_qakbot_auto
Create hunting rule
Link:
https://www.unpac.me/results/b9abc2a8-feaa-4e46-af9e-5381b86bb399/
SH256 hash:
f15e75823d25a23ed5ec3c5236b514add35a9a104803f0e16527c087f8a7c26b
MD5 hash:
911f631ebab8067b441fdb00ffae1efe
SHA1 hash:
55d668b55343a3005d262877ed712a27ddd00f7a
Link:
https://www.unpac.me/results/b9abc2a8-feaa-4e46-af9e-5381b86bb399/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
qbot
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f15e75823d25a23ed5ec3c5236b514add35a9a104803f0e16527c087f8a7c26b

File information

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

Web download

Quakbot

Executable exe f15e75823d25a23ed5ec3c5236b514add35a9a104803f0e16527c087f8a7c26b

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/71232/
  
URLhaus
https://urlhaus.abuse.ch/url/685561/
  
Delivery method
Distributed via web download

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