MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a4c53136db2fb3322b68159761172d730c30d2f0a486dceeeb0056b4ab8e071. 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



Threat unknown


Vendor detections: 6


Intelligence 6 IOCs YARA 2 File information Comments

SHA256 hash: 4a4c53136db2fb3322b68159761172d730c30d2f0a486dceeeb0056b4ab8e071
SHA3-384 hash: c6ff95b5e08c18a6948cc3c46e18ee6b8b9e2573b8cd79c72b5afe9320b0732a08c40a42f5920f2bd108e1d7ff3da995
SHA1 hash: 15e9a870e79719375ce2456ba140ef6b0dd4e8f6
MD5 hash: be7565489eaff7533bac2867420822ac
humanhash: fruit-missouri-december-georgia
File name:4a4c53136db2fb3322b68159761172d730c30d2f0a486dceeeb0056b4ab8e071
Download: download sample
File size:772'197 bytes
First seen:2021-03-01 22:04:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4bb6c97d0fd6fbaeabdd43515fbc6b28 (17 x DCRat, 1 x NanoCore)
ssdeep 12288:So4JzBT1mweO+td3o6fME/ec43xa9Gh9duC8f5q6/si33U93AAblhDm7TvsBW3AB:Sn4lY6fpmV3WQ9duCg5q089Xlc7TvAsc
TLSH E2F423C126B45903C4261CF3B30ACD95BA69BCB64A5C693D12F0BE4FAD12C8C7C5B399
Reporter c3rb3ru5d3d53c2


Avatar
c3rb3ru5d3d53c
@c3rb3ru5d3d53c Live Hunt

Intelligence


File Origin
# of uploads :
1
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Sending a UDP request
Creating a file
Launching a process
Creating a file in the Program Files subdirectories
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a file in the %temp% directory
Deleting a recently created file
Reading critical registry keys
Enabling the 'hidden' option for recently created files
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking a possibility to launch for the Windows Task Manager (taskmgr)
Setting a global event handler for the keyboard
Creating a file in the mass storage device
Stealing user critical data
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices by creating the autorun.inf autorun file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
.NET source code contains in memory code execution
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an autostart registry key pointing to binary in C:\Windows
Creates files inside the volume driver (system volume information)
Creates multiple autostart registry keys
Disables the Windows task manager (taskmgr)
Drops executables to the windows directory (C:\Windows) and starts them
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 360465 Sample: mB4M7f6Xyo Startdate: 01/03/2021 Architecture: WINDOWS Score: 100 80 Antivirus detection for dropped file 2->80 82 Antivirus / Scanner detection for submitted sample 2->82 84 Multi AV Scanner detection for submitted file 2->84 86 7 other signatures 2->86 13 mB4M7f6Xyo.exe 3 10 2->13         started        16 sihost.exe 2->16         started        19 fOVUfbCxyjiq.exe 2 2->19         started        process3 file4 72 C:\Users\user\...\wih723bhpPU2Qw5ZuJq2.exe, PE32 13->72 dropped 21 wscript.exe 1 13->21         started        74 Antivirus detection for dropped file 16->74 76 Machine Learning detection for dropped file 16->76 78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 16->78 signatures5 process6 process7 23 cmd.exe 1 21->23         started        process8 25 wih723bhpPU2Qw5ZuJq2.exe 10 23->25         started        28 conhost.exe 23->28         started        file9 70 C:\Users\user\AppData\...\dlldriver.exe, PE32 25->70 dropped 30 wscript.exe 1 25->30         started        process10 process11 32 cmd.exe 1 30->32         started        process12 34 dlldriver.exe 4 15 32->34         started        38 reg.exe 32->38         started        40 conhost.exe 32->40         started        file13 62 C:\Windows\SchCache\sihost.exe, PE32 34->62 dropped 64 C:\Users\user\Recent\RuntimeBroker.exe, PE32 34->64 dropped 66 C:\...\fOVUfbCxyjiq.exe, PE32 34->66 dropped 68 3 other malicious files 34->68 dropped 88 Antivirus detection for dropped file 34->88 90 Creates files inside the volume driver (system volume information) 34->90 92 Machine Learning detection for dropped file 34->92 96 4 other signatures 34->96 42 schtasks.exe 1 34->42         started        44 schtasks.exe 1 34->44         started        46 schtasks.exe 1 34->46         started        48 4 other processes 34->48 94 Disables the Windows task manager (taskmgr) 38->94 signatures14 process15 process16 50 conhost.exe 42->50         started        52 conhost.exe 44->52         started        54 conhost.exe 46->54         started        56 conhost.exe 48->56         started        58 conhost.exe 48->58         started        60 conhost.exe 48->60         started       
Threat name:
Win32.Trojan.Glupteba
Status:
Malicious
First seen:
2021-03-01 22:05:09 UTC
AV detection:
28 of 48 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence spyware upx
Behaviour
Creates scheduled task(s)
Modifies registry class
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of web browsers
Disables Task Manager via registry modification
Executes dropped EXE
Unpacked files
SH256 hash:
6517c654632c53db5bed93984728f1b5a6e63ab1e2cd36a3333750d9e4ead71f
MD5 hash:
cdc7a8acb81862e3b6d6ace3149b777d
SHA1 hash:
73ff701634463b98cf1707dfaaf2c2ecf707ae69
SH256 hash:
9949bdfeefc58399218537a77c55e6c79f8e79e29751ace93283b001ff95d6f5
MD5 hash:
c406dabaefe1fe970616198d71e204f1
SHA1 hash:
76731950562caa41799e91d7d635e8aa8cd05bf0
SH256 hash:
4a4c53136db2fb3322b68159761172d730c30d2f0a486dceeeb0056b4ab8e071
MD5 hash:
be7565489eaff7533bac2867420822ac
SHA1 hash:
15e9a870e79719375ce2456ba140ef6b0dd4e8f6
Please note that we are no longer able to provide a coverage score for Virus Total.

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:suspicious_packer_section
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:upx_packed
Description:UPX packed file

File information


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

Comments