MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac03d8c437148ed4f261d4d6112a0126fcaa526242ddc938e508006d34edfc9f. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ac03d8c437148ed4f261d4d6112a0126fcaa526242ddc938e508006d34edfc9f
SHA3-384 hash: 33b4ce222715e96f3645236b10580f64fc62b86b7398701946396a56fc17073a00552cf49c31af3925af1f1c7ab3af4a
SHA1 hash: e64a3ca51b6a4fd8db4522a737ef4d591088e158
MD5 hash: 1d10d538aae4b4452fa51d0f2d536971
humanhash: skylark-mississippi-arizona-edward
File name:ac03d8c437148ed4f261d4d6112a0126fcaa526242ddc938e508006d34edfc9f
Download: download sample
Signature QuakBot
Create hunting rule
File size:263'688 bytes
First seen:2020-11-09 21:57:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 303f89b8f429d52fa9a67ddad2dbfa52 (160 x QuakBot)
ssdeep 6144:IdtJ9rtpMBa7FjRbRtwM/XNfNMzpLLpqUxLRbch5cMIa:Id1rMBgFjxRtwM/dfNOvJ4x
Threatray 853 similar samples on MalwareBazaar
TLSH 6A44E1C2A3E84144F6A752B74073C3143A217D9DA83EAB7F1AF170DD5E31AA1AD2471E
Reporter seifreed
Tags:Quakbot

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Malware.Qbot-9785979-0
Create hunting rule

Win.Malware.Qbot-9785980-0
Create hunting rule

Win.Malware.Qbot-9789148-0
Create hunting rule

SecuriteInfo.com.Trojan.QakBot.11.11733.4101.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
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/527610
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: 312896 Sample: 6AVsJAQwcW Startdate: 10/11/2020 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 6AVsJAQwcW.exe 4 2->7         started        11 6AVsJAQwcW.exe 2->11         started        13 6AVsJAQwcW.exe 2->13         started        process3 file4 29 C:\Users\user\AppData\Roaming\...\mrfkutw.exe, PE32 7->29 dropped 31 C:\Users\user\...\mrfkutw.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 mrfkutw.exe 7->15         started        18 schtasks.exe 1 7->18         started        20 6AVsJAQwcW.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 mrfkutw.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:
n/a
Link:
https://mwdb.cert.pl/sample/ac03d8c437148ed4f261d4d6112a0126fcaa526242ddc938e508006d34edfc9f/
Threat name:
Win32.Backdoor.Quakbot
Create hunting rule
Status:
Malicious
First seen:
2020-11-09 22:39:13 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vqb5rrbxcshnj4tb2tlbckqbe36kuutcilo4sohfbaag2nhn7spq._file
Verdict:
malicious
Similar samples:
03b08e1f0da12fc44226177999dc9f804413249672dfd5c9f965345710528b12
QuakBot
3bec3205aa6c693c7e5f0ec8216587780dad14011159261d1bb8dcf36501e283
QuakBot
9cc40a2ab38cb281445a46de0fae4760315b59c856c77f7f8bb20f98167942ab
QuakBot
9ea960fd878163f83b9712993d5d909fbff31601e76b54a4278a282c1526d835
QuakBot
9f90bdf9ba391e45d111d84c6f59f074410928c306feef877ee9e1a2e0668f16
QuakBot
a78c2c87982e0100377435c95455d4dce74699ab81c1a7f1981631c6d1800382
QuakBot
aab0cda9f1d257a3affd8ee4c8b7eb06369d598afa2a1daa3f0780851fc083cc
QuakBot
c8a04f8ad0a2e7cf898d5f969902407fdc7de310168cbce3ef7e6e8a9c66d03c
QuakBot
d9b5e7443c3d48d18c5da2ce0dbd958cdc6eac082bede6ba35a8531a5a39470e
QuakBot
e55c191f081d06d46846f73db4d847c3a08da2a517b70ee119f2586c308ebd1d
QuakBot
+ 843 additional samples on MalwareBazaar
Result
Malware family:
qakbot
Create hunting rule
Score:
  10/10
Tags:
family:qakbot banker stealer trojan
Link:
https://tria.ge/reports/201109-z34rqr6b2a/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
Qakbot/Qbot
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/ac03d8c437148ed4f261d4d6112a0126fcaa526242ddc938e508006d34edfc9f

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

Comments