MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b4b8a5cfdf150e134bf441bcabdb60d37508bfb973a038a610386341420317f. 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

SHA256 hash: 8b4b8a5cfdf150e134bf441bcabdb60d37508bfb973a038a610386341420317f
SHA3-384 hash: 8c2f73b9b1a57eb547fefb289382a0e427d06898a8c0ae7ac6085e87bada9f52635233a5fb3b9a422d09640761e9732c
SHA1 hash: 5856fa80afc153f38423ce5036d3bf4972519641
MD5 hash: f335c7189b9ced336a4f3e3fb90fed89
humanhash: papa-blue-diet-oxygen
File name:8b4b8a5cfdf150e134bf441bcabdb60d37508bfb973a038a610386341420317f
Download: download sample
Signature Quakbot
File size:1'075'760 bytes
First seen:2020-09-17 06:59:02 UTC
Last seen:2020-09-17 07:37:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash de48931a0a8ee3bd9ca02f153ab871b8 (5 x Quakbot)
ssdeep 12288:oVbaHbD19/nXEx5xuzi6AoS5qt4cW+EEFsfZdGvvOWTbY:oZ+bh9cTottW+jKZI3OWTE
Threatray 424 similar samples on MalwareBazaar
TLSH 8A35F18DF66BC801D3981FB7489206BCD92BECDC7820551B29963B493DF63E43E67948
Reporter JAMESWT_WT
Tags:Digital Capital Management Ireland Limited Qakbot Quakbot signed

Code Signing Certificate

Organisation:Digital Capital Management Ireland 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: DADF44E4046372313EE97B8E394C4079
Intelligence: 4 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: 80986AE0D4F8C8FABF6C4A91550C90224E26205A4CA61C00FF6736DD94817E65
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
136
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
Creating a window
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 286824 Sample: GndSKoS85p Startdate: 17/09/2020 Architecture: WINDOWS Score: 100 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Qbot 2->32 34 Machine Learning detection for sample 2->34 36 2 other signatures 2->36 7 GndSKoS85p.exe 4 2->7         started        11 GndSKoS85p.exe 2->11         started        process3 file4 26 C:\Users\user\AppData\...\mseaoabk.exe, PE32 7->26 dropped 28 C:\Users\...\mseaoabk.exe:Zone.Identifier, ASCII 7->28 dropped 38 Detected unpacking (changes PE section rights) 7->38 40 Detected unpacking (overwrites its own PE header) 7->40 42 Contains functionality to detect virtual machines (IN, VMware) 7->42 44 Contains functionality to compare user and computer (likely to detect sandboxes) 7->44 13 mseaoabk.exe 7->13         started        16 schtasks.exe 1 7->16         started        18 GndSKoS85p.exe 7->18         started        signatures5 process6 signatures7 46 Multi AV Scanner detection for dropped file 13->46 48 Detected unpacking (changes PE section rights) 13->48 50 Detected unpacking (overwrites its own PE header) 13->50 52 6 other signatures 13->52 20 explorer.exe 1 13->20         started        22 mseaoabk.exe 13->22         started        24 conhost.exe 16->24         started        process8
Threat name:
Win32.Trojan.PinkSbot
Status:
Malicious
First seen:
2020-09-17 07:00:08 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
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