MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b49bc1afd15dcc2bcc23b7637d58aca9a17b5b8a9e66ebdd109200fda384f0e. 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: 7


Intelligence 7 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8b49bc1afd15dcc2bcc23b7637d58aca9a17b5b8a9e66ebdd109200fda384f0e
SHA3-384 hash: 092d3814672f316af7a44bcb1a83e7b8f28c0084e8fca1da7efa2bd2c0ab6f087b6067d70d1b1c704cb3a88c9bac4eaa
SHA1 hash: 263761b7141236606e6f9e66547567ce25753ff9
MD5 hash: 1e90fcb07138ec6536f50bd2be2cc217
humanhash: montana-monkey-burger-glucose
File name:8b49bc1afd15dcc2bcc23b7637d58aca9a17b5b8a9e66ebdd109200fda384f0e
Download: download sample
Signature Quakbot
Create hunting rule
File size:2'081'256 bytes
First seen:2020-08-28 05:40:19 UTC
Last seen:2020-08-28 07:04:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 17d602de97d4a27d1713c5ede8fa43d2 (7 x Quakbot)
ssdeep 6144:0FD5rOTjedhmsRcYvNlCYkzfox1I39AzMvTzsbIElq/TrcJV:e5rOTjeXmWNlZkz8gCqTQPlOc
Threatray 393 similar samples on MalwareBazaar
TLSH 7BA5CF4072F5C40ACAD49A786C6E483E7AA9DD449939601F73DF7FAC7DF130249AA40B
Reporter JAMESWT_WT
Tags:Instamix Limited Qakbot Quakbot signed

Code Signing Certificate

Organisation:Instamix Limited
Issuer:Sectigo RSA Code Signing CA
Algorithm:sha256WithRSAEncryption
Valid from:Aug 22 00:00:00 2020 GMT
Valid to:Aug 22 23:59:59 2021 GMT
Serial number: A7989F8BE0C82D35A19E7B3DD4BE30E5
Intelligence: 6 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: 3E93AADB509B542C065801F04CFFB34956F84EE8C322D65C7AE8E23D27FE5FBF
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
190
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/52159/
Detection(s):
SecuriteInfo.com.Mal.EncPk-APW.6743.29311.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
Creating a process with a hidden window
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/453185
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)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 278962 Sample: Ck5ZgPo2N3 Startdate: 28/08/2020 Architecture: WINDOWS Score: 100 36 Multi AV Scanner detection for submitted file 2->36 38 Machine Learning detection for sample 2->38 40 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->40 42 Uses schtasks.exe or at.exe to add and modify task schedules 2->42 7 Ck5ZgPo2N3.exe 4 2->7         started        11 Ck5ZgPo2N3.exe 2->11         started        13 Ck5ZgPo2N3.exe 2->13         started        process3 file4 32 C:\Users\user\AppData\Roaming\...\ximtkg.exe, PE32 7->32 dropped 34 C:\Users\user\...\ximtkg.exe:Zone.Identifier, ASCII 7->34 dropped 44 Detected unpacking (changes PE section rights) 7->44 46 Contains functionality to detect virtual machines (IN, VMware) 7->46 48 Contains functionality to compare user and computer (likely to detect sandboxes) 7->48 15 ximtkg.exe 7->15         started        18 schtasks.exe 1 7->18         started        20 Ck5ZgPo2N3.exe 7->20         started        signatures5 process6 signatures7 50 Multi AV Scanner detection for dropped file 15->50 52 Detected unpacking (changes PE section rights) 15->52 54 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 15->54 56 5 other signatures 15->56 22 ximtkg.exe 15->22         started        24 explorer.exe 15->24         started        26 explorer.exe 15->26         started        30 4 other processes 15->30 28 conhost.exe 18->28         started        process8
Detection:
qakbot
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8b49bc1afd15dcc2bcc23b7637d58aca9a17b5b8a9e66ebdd109200fda384f0e/
Threat name:
Win32.Backdoor.Quakbot
Create hunting rule
Status:
Malicious
First seen:
2020-08-28 05:42:10 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rne3ygx5cxomfpgchn3dpvmkzknbpnnyvhtg5porbeqa7wryj4ha._file
Verdict:
malicious
Similar samples:
0d0d997a7c42c11b60cb1e265b015f2559719f640c2adf1c1bf8b85a434a0d0d
Quakbot
0f6e1a84d618af64ce5864d7b7a0d946439b3f82efa34f994cb420dc3d11fb71
Quakbot
2daee8093a5e8dcd35e17c353a86b6969d09e5d75509f0184d5477cf87260f92
Quakbot
40e665c7875b98b0f5f5225666c6502616aa64f22c8e6d6d012c606b092e0b53
Quakbot
6ad7afd41c395e87314488f1aeb47244de899abb289feba16c9ffbde7f55f15e
Quakbot
74976d37d3e53fc66a54b5b8010969340da5099c200e75e7c5b20f41e06a4a57
Quakbot
78749911faeac0032bb0c8562761fa6ee3fb85f37e099f5169d9dcc29c8024bd
Quakbot
95de158e9b4302b8381dd9fab6da6977d6c2d1ad646720a66a9c8add4135a4d8
Quakbot
a1a609c00c3504343f05c5fe6d6353ec177b06551efaf44c4d69e316718dc03e
Quakbot
f893e2e5b6cb171f4cbe389fa1ce8565a12c01da43c997d8439af8f4a41af668
Quakbot
+ 383 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/200828-g9nehmqtlx/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
Modifies data under HKEY_USERS
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Qakbot
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8b49bc1afd15dcc2bcc23b7637d58aca9a17b5b8a9e66ebdd109200fda384f0e

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/52159/

Comments