MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b31a8c0636d44f543596dd687ed7c75da9b81ff2af465d762f2748b2616df8c4. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b31a8c0636d44f543596dd687ed7c75da9b81ff2af465d762f2748b2616df8c4
SHA3-384 hash: 44ff8a340c0406ac87aa9ce0b0303a4eb0ecb4fa3db537e59d4fcffef5155f1f9eb33ffaac28394abaaac30dd1d5c619
SHA1 hash: db24594f01eed735bf11bd0ac56acc5d424f7da8
MD5 hash: f3369ade237ed46ec2cf3e386d52002a
humanhash: ten-charlie-emma-seven
File name:f3369ade237ed46ec2cf3e386d52002a.exe
Download: download sample
Signature Quakbot
Create hunting rule
File size:4'303'320 bytes
First seen:2020-10-13 05:47:04 UTC
Last seen:2020-10-13 07:08:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7bc90c572d544bbda558c1e865a82240 (10 x Quakbot)
ssdeep 6144:Jk8QP9G+wgVFGOKD+Tl/yHOZWAXsqNuMpfxhaGjLv+Di1yYTM/TDR3JPm:JQA+wg9KD+TVgRMNuWhVLv+xYTq3E
Threatray 594 similar samples on MalwareBazaar
TLSH 9916E1A7B9810D02CBA75D73CB7C9BD886639D0D1650A85CA12FF114FA3E4F234962BD
Reporter abuse_ch
Tags:exe Quakbot

Intelligence

File Origin
# of uploads :
2
# of downloads :
92
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/70254/
Detection(s):
SecuriteInfo.com.Troj.Qakbot-DU.4282.15836.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
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/489175
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: 297036 Sample: fmdzX7XWM8.exe Startdate: 13/10/2020 Architecture: WINDOWS Score: 100 33 Antivirus / Scanner detection for submitted sample 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected Qbot 2->37 39 4 other signatures 2->39 7 fmdzX7XWM8.exe 4 2->7         started        11 fmdzX7XWM8.exe 2->11         started        13 fmdzX7XWM8.exe 2->13         started        process3 file4 29 C:\Users\user\AppData\Roaming\...\mxjdyzi.exe, PE32 7->29 dropped 31 C:\Users\user\...\mxjdyzi.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 mxjdyzi.exe 7->15         started        18 schtasks.exe 1 7->18         started        20 fmdzX7XWM8.exe 7->20         started        signatures5 process6 signatures7 51 Antivirus detection for dropped file 15->51 53 Multi AV Scanner detection for dropped file 15->53 55 Detected unpacking (changes PE section rights) 15->55 57 7 other signatures 15->57 22 explorer.exe 1 15->22         started        25 mxjdyzi.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/b31a8c0636d44f543596dd687ed7c75da9b81ff2af465d762f2748b2616df8c4/
Threat name:
Win32.Trojan.QBot
Create hunting rule
Status:
Malicious
First seen:
2020-10-13 05:49:05 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wmniybrw2rhvinmw3vuh5v6hlwu3qh7sv5df25rpe5eleyln7dca._file
Verdict:
malicious
Similar samples:
0652d513a2c43aaabbb806eeda3e035aa3b12449a718610d42453896d9f97751
Quakbot
0d0d997a7c42c11b60cb1e265b015f2559719f640c2adf1c1bf8b85a434a0d0d
Quakbot
2a9ab4b103557c2e45afb9b59ae9243866209cf755fc3435f717439df0871488
Quakbot
45493d88dd9d1670f48aee096d0ca99110337ffbd4d538dd39b2ef3a13cafa63
Quakbot
5e2d7b990c9f6667311a44f7fce078a5bd3e033965db4a31c177bb84b06e8540
Quakbot
70c7a48f3dfb41c0137b736bf5f3071bfd550eb8dee8fc6b3c5a075adbecbdbb
Quakbot
78749911faeac0032bb0c8562761fa6ee3fb85f37e099f5169d9dcc29c8024bd
Quakbot
9adfaa5b63a6a5456740d383e463055f47b796114675f0912e185638ad135d4a
Quakbot
b78c608b6efdbcab010375b990d029eefd2aa139b5796cd5b10adf50a8e48ec3
Quakbot
c118e4088bc5aaffebe7208df9f01da9d70ba625ba020c593723495c0954a203
Quakbot
+ 584 additional samples on MalwareBazaar
Result
Malware family:
qakbot
Create hunting rule
Score:
  10/10
Tags:
trojan banker stealer family:qakbot persistence
Link:
https://tria.ge/reports/201013-kd1xg33k62/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
Creates scheduled task(s)
Adds Run key to start application
Qakbot/Qbot
Unpacked files
SH256 hash:
b31a8c0636d44f543596dd687ed7c75da9b81ff2af465d762f2748b2616df8c4
MD5 hash:
f3369ade237ed46ec2cf3e386d52002a
SHA1 hash:
db24594f01eed735bf11bd0ac56acc5d424f7da8
Link:
https://www.unpac.me/results/c4ff6371-f8ef-4d71-be08-5d341f81ea34/
SH256 hash:
fe1380e18a2ff3fe2cd13f19d4bb785827e1af56798bb1c1380ffba80a1efd88
MD5 hash:
4e9d5fcf13dc2a66aa80c799a9aeeae3
SHA1 hash:
24f556f0b8edb4af747e9c41a513fae53e75a501
Detections:
win_qakbot_auto
Create hunting rule
Link:
https://www.unpac.me/results/c4ff6371-f8ef-4d71-be08-5d341f81ea34/
Parent samples :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 hash:
b671d0d8b980c5eae369d934b09889f2436305849ddb29e50067e79aa6e30cbb
MD5 hash:
91afe417ff743781928fc716898fb5bc
SHA1 hash:
bc46dacb23fa722503d051a0c6d3486c7f0efa21
Detections:
win_qakbot_g0
Create hunting rule
win_qakbot_auto
Create hunting rule
Link:
https://www.unpac.me/results/c4ff6371-f8ef-4d71-be08-5d341f81ea34/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b31a8c0636d44f543596dd687ed7c75da9b81ff2af465d762f2748b2616df8c4

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:ach_Quakbot_20200929
Create hunting rule
Author:abuse.ch
Description:Detects QuakBot PE
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:win_qakbot_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

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/70254/

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