MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28a2431ffd24d8041bdbf471fcc3eebb98c9e53c980617e4c468f7ad9cdf9d31. 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: 28a2431ffd24d8041bdbf471fcc3eebb98c9e53c980617e4c468f7ad9cdf9d31
SHA3-384 hash: 244b715fb07962fa95c38521c0e42b4676a04087d135b620a73567cb7187c634a46d20ae0bc7d58e2ca422a29fb99934
SHA1 hash: 558d33ef044455fac798b2a047dee5aa2c1ad31b
MD5 hash: ddf932f409cd8d649618fd8aedaef56d
humanhash: stairway-dakota-uncle-bluebird
File name:28a2431ffd24d8041bdbf471fcc3eebb98c9e53c980617e4c468f7ad9cdf9d31
Download: download sample
Signature Quakbot
Create hunting rule
File size:1'239'032 bytes
First seen:2020-09-23 07:13:18 UTC
Last seen:2020-09-23 13:49:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 95e37e5c4d2518022ed29eb0cbd1eec1 (3 x Quakbot)
ssdeep 6144:MmZY0vyoLlju376DEoS5rOA9xRK4VtJuchq+WPMJ/9BCa0KLDIHShQo5G3g:o0vgr6AoS5lxRKbcRWPa7Ca0Koo/
Threatray 438 similar samples on MalwareBazaar
TLSH 3E45D10DB63BC402C6A51FF644921E98E93BECD93C20510726E6BB297DFA3F57C26548
Reporter JAMESWT_WT
Tags:Milsean Software Limited Qakbot qbot Quakbot signed

Code Signing Certificate

Organisation:Milsean Software Limited
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: FE41941464B9992A69B7317418AE8EB7
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: EF4DA71810FB92E942446EE1D9B5F38FEA49628E0D8335A485F328FCEF7F1A20
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Detection:
QakBot
Create hunting rule
Link:
https://www.capesandbox.com/analysis/64748/
Detection(s):
SecuriteInfo.com.Trojan.QakBot.18.14162.5368.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
Unauthorized injection to a system 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/473065
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 288976 Sample: Ty90QJnRK4 Startdate: 23/09/2020 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 Ty90QJnRK4.exe 4 2->7         started        11 Ty90QJnRK4.exe 2->11         started        13 Ty90QJnRK4.exe 2->13         started        process3 file4 29 C:\Users\user\AppData\Roaming\...\gylfc.exe, PE32 7->29 dropped 31 C:\Users\user\...\gylfc.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 gylfc.exe 7->15         started        18 schtasks.exe 1 7->18         started        20 Ty90QJnRK4.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 gylfc.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
Detection:
qakbot
Create hunting rule
Link:
https://mwdb.cert.pl/sample/28a2431ffd24d8041bdbf471fcc3eebb98c9e53c980617e4c468f7ad9cdf9d31/
Threat name:
Win32.Adware.Maltrec
Create hunting rule
Status:
Malicious
First seen:
2020-09-23 04:30:03 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
27 of 29 (93.10%)
Threat level:
  1/5
Verdict:
malicious
Similar samples:
07dc705da27544ca4d232515c665dff2bbbf6b0ab49fd07c602e20d6a512b4af
Quakbot
0b4f4140ef64be8fa74093213ee2689dba6294c26c0486995feba3f1eb92bd76
Quakbot
45bd22771aeaab651a6ff5a3a23193446ffd305472082d06ad6612878fa2786e
Quakbot
71f24bd6e0a181c04f0fabc5801480a4e3991d2fdf8b35a72b1e91c60ba3eb03
Quakbot
8b4b8a5cfdf150e134bf441bcabdb60d37508bfb973a038a610386341420317f
Quakbot
92459aab5fc4c348f5a6a10fa7ce8bc734121a8e2d8d3c30e4337f74ae87017a
Quakbot
a1a609c00c3504343f05c5fe6d6353ec177b06551efaf44c4d69e316718dc03e
Quakbot
c14b93f3949b9cc4ba3163a23b5cfeb1d4bea17db91703c3cdcccccbb57d2058
Quakbot
e6e67623e24b8c95021d63966ac7f2ba20e7fbe9495b32290871fc9fa8fe4fe3
Quakbot
f3e3d35760f655af5a57029b73c2cc2f42d09de1a694b2eb22366a3e6c49a068
Quakbot
+ 428 additional samples on MalwareBazaar
Result
Malware family:
qakbot
Create hunting rule
Score:
  10/10
Tags:
trojan banker stealer family:qakbot
Link:
https://tria.ge/reports/200923-znse8vt71j/
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:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/28a2431ffd24d8041bdbf471fcc3eebb98c9e53c980617e4c468f7ad9cdf9d31

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/64748/

Comments