MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 100805c582954d2c13b233229c9f7fe3f4b911ef16dad7aaec5b4616405f7d38. 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: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: 100805c582954d2c13b233229c9f7fe3f4b911ef16dad7aaec5b4616405f7d38
SHA3-384 hash: d390b8e196b6e07771aeaa0914d482f732d16252ff0ef8994bdc959eff2b3aff4b5a8d8289a097d13292aab86d97caf7
SHA1 hash: 40d881693b3681c5eb2c63a711b952c392b57335
MD5 hash: 35a15caaf6391950b8062f66f1e04ae4
humanhash: pennsylvania-dakota-alanine-rugby
File name:100805c582954d2c13b233229c9f7fe3f4b911ef16dad7aaec5b4616405f7d38
Download: download sample
Signature Quakbot
File size:1'205'264 bytes
First seen:2020-09-21 08:31:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3bd7c16a16ad7d5b3966a30a82496732 (7 x Quakbot)
ssdeep 6144:oUg69tR5KCcCg8nqVbkQSaPOnNxRQVwSav4dyxDYoQYJUpg1MwE4s0m+Z1Af6kB:r99trKTX84bkQfUO/aQdeMo3e+k4jACe
Threatray 431 similar samples on MalwareBazaar
TLSH F445D06AB777C491F3E91FF605E207AC5A7BA895BB214007259A3F1D7CF23903C2644A
Reporter JAMESWT_WT
Tags:DocsGen Software Solutions Inc. Qakbot qbot Quakbot signed

Code Signing Certificate

Organisation:DocsGen Software Solutions Inc.
Issuer:Sectigo RSA Code Signing CA
Algorithm:sha256WithRSAEncryption
Valid from:2020-09-08T00:00:00Z
Valid to:2021-09-08T23:59:59Z
Serial number: f8c2e08438bb0e9adc955e4b493e5821
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: 459ef82eb5756e85922a4687d66bd6a0195834f955ede35ae6c3039d97b00b5f
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
197
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: 287969 Sample: MQCfRWgcpc Startdate: 21/09/2020 Architecture: WINDOWS Score: 100 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected Qbot 2->33 35 Machine Learning detection for sample 2->35 37 2 other signatures 2->37 7 MQCfRWgcpc.exe 4 2->7         started        11 MQCfRWgcpc.exe 2->11         started        process3 file4 27 C:\Users\user\AppData\Roaming\...\qhduq.exe, PE32 7->27 dropped 29 C:\Users\user\...\qhduq.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 qhduq.exe 7->13         started        16 schtasks.exe 1 7->16         started        18 MQCfRWgcpc.exe 7->18         started        signatures5 process6 signatures7 49 Multi AV Scanner detection for dropped file 13->49 51 Detected unpacking (changes PE section rights) 13->51 53 Detected unpacking (overwrites its own PE header) 13->53 55 6 other signatures 13->55 20 explorer.exe 1 13->20         started        23 qhduq.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:
2020-09-21 08:25:02 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