MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a750bc331fac040142dec00216a72a00a4e3ec24ef21e07a0cac445df3edcd3e. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a750bc331fac040142dec00216a72a00a4e3ec24ef21e07a0cac445df3edcd3e
SHA3-384 hash: aab193e6c44c89a0400b8b24d09b25f2baca89225d185100de9b6f1c135ef8096f7427a72159bcd48292fbe1fe58e10b
SHA1 hash: 87a11b23ceebf073709580bb79ea11d7af5acdce
MD5 hash: 3eb50d8a01158bf0c2697affc25c8c8a
humanhash: solar-sierra-tennessee-glucose
File name:VkDJ.exe
Download: download sample
File size:1'934'664 bytes
First seen:2022-05-16 13:23:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5a594319a0d69dbc452e748bcf05892e (21 x ParallaxRAT, 20 x Gh0stRAT, 15 x NetSupport)
ssdeep 24576:84nXubIQGyxbPV0db26W3JVEuvijYsv1Et9uGpckT52zedlq89Ws5uIzk5aM/phz:8qe3f6rZ5SffPMWrQ0Zkl
Threatray 108 similar samples on MalwareBazaar
TLSH T1CB95C03BF268A53EC45A1B3245B39350997BBA60B81A8C1F07FC384DCF765601E3B656
TrID 49.7% (.EXE) Inno Setup installer (109740/4/30)
19.5% (.EXE) InstallShield setup (43053/19/16)
18.8% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
4.7% (.EXE) Win64 Executable (generic) (10523/12/4)
2.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 5050d270cccc82ae (109 x Adware.Generic, 43 x LummaStealer, 42 x OffLoader)
Reporter Anonymous
Tags:Adware exe signed

Code Signing Certificate

Organisation:MONITOR, OOO
Issuer:Sectigo RSA Code Signing CA
Algorithm:sha256WithRSAEncryption
Valid from:2021-02-25T00:00:00Z
Valid to:2024-02-25T23:59:59Z
Serial number: 09795445904c2b59665485f8fcff5691
Intelligence: 3 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: e952c6c8586ea655f991f6c3e0dcad663e01677156fd823343d2e79bf2a69758
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
296
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
VkDJ.exe
Verdict:
Malicious activity
Analysis date:
2022-05-16 10:52:34 UTC
Tags:
installer
Link:
https://app.any.run/tasks/02987f18-406c-496b-bd96-55394aebfd8d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/271162/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Searching for the window
DNS request
Connecting to a non-recommended domain
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Moving a recently created file
Moving a file to the %temp% subdirectory
Creating a file in the %AppData% subdirectories
Launching a process
Modifying a system file
Creating a process with a hidden window
Launching a tool to kill processes
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/18039/overview
Behaviour
MalwareBazaar
CheckNumberOfProcessor
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe expand.exe overlay packed setupapi.dll shell32.dll
Link:
https://www.filescan.io/uploads/628250b06b2a366ce4152180/reports/9d00966d-a3d3-45bc-adc1-b478bc0ee2b6/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f5481959-0a9a-47e9-b9cb-6b8228bc9e4c
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/994957
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Uses 7zip to decompress a password protected archive
Uses schtasks.exe or at.exe to add and modify task schedules
Writes or reads registry keys via WMI
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 627454 Sample: VkDJ.exe Startdate: 16/05/2022 Architecture: WINDOWS Score: 48 56 Antivirus detection for URL or domain 2->56 58 Antivirus / Scanner detection for submitted sample 2->58 60 Multi AV Scanner detection for submitted file 2->60 8 VkDJ.exe 2 2->8         started        process3 file4 36 C:\Users\user\AppData\Local\Temp\...\VkDJ.tmp, PE32 8->36 dropped 68 Obfuscated command line found 8->68 12 VkDJ.tmp 30 45 8->12         started        signatures5 process6 dnsIp7 50 cdn.yandex.net 5.45.205.241, 443, 49801 YANDEXRU Russian Federation 12->50 52 54.36.175.115, 443, 49761, 49807 OVHFR France 12->52 54 4 other IPs or domains 12->54 38 C:\Users\user\AppData\...\downloader.exe, PE32 12->38 dropped 40 C:\Users\user\AppData\...\downloader[1].exe, PE32 12->40 dropped 42 C:\Users\user~1\AppData\...\7za.exe (copy), PE32 12->42 dropped 44 4 other files (none is malicious) 12->44 dropped 70 Uses schtasks.exe or at.exe to add and modify task schedules 12->70 72 Uses 7zip to decompress a password protected archive 12->72 17 bin.exe 2 17 12->17         started        21 7za.exe 3 12->21         started        24 taskkill.exe 1 12->24         started        26 schtasks.exe 1 12->26         started        file8 signatures9 process10 dnsIp11 46 vkdj.org 17->46 48 dj-upd.com 17->48 62 Antivirus detection for dropped file 17->62 64 Multi AV Scanner detection for dropped file 17->64 66 Writes or reads registry keys via WMI 17->66 34 C:\ProgramData\Bender-accessibility\bin.exe, PE32 21->34 dropped 28 conhost.exe 21->28         started        30 conhost.exe 24->30         started        32 conhost.exe 26->32         started        file12 signatures13 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a750bc331fac040142dec00216a72a00a4e3ec24ef21e07a0cac445df3edcd3e/
Threat name:
Win32.Trojan.VkDJBundleInstaller
Create hunting rule
Status:
Malicious
First seen:
2022-05-16 13:24:07 UTC
File Type:
PE (Exe)
AV detection:
11 of 41 (26.83%)
Threat level:
  5/5
Verdict:
unknown
Similar samples:
0cffbd0a9a71d6dc4ccb63dbbfeef735b2c8bf9acdf1409f1cbdeed36ce0faf8
1116037d457d9126f16fc9529a4be482d374047f0e834614ae8292a631ed8aaa
2534eecca5ed157444298473d7c9c82d9def5b0a93ac581b75dede2f1a0c0a56
595e1545c53d27fb1315e70b241e66f44b28a49be59a717ca4936d167e121470
9f27dace8e848c5957adb0686992fe7ce392cbc7f957116b13935d20e668f91b
c80949a2de5a8518242d97f829f907cc3a0a276a4d577f0838a3974b68c56d06
d2205532e27cf8ae9dbc0a62fdf3fca598f5fa8f9cc948bec49df54b0b8a8cd6
e4a932eaaec97ff04b018060f31b800dbd9a56ca0ba2bbb300037be3c55ee507
+ 98 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery
Link:
https://tria.ge/reports/220516-qnckkafcek/
Behaviour
Creates scheduled task(s)
Kills process with taskkill
Modifies system certificate store
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks installed software on the system
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
Unpacked files
SH256 hash:
7a51f95c98dbb84a7bd8a793e2505316db5da0c377386d1ec4720103cd168a6a
MD5 hash:
34ff6c5e365b57e43d0738931ce9eb72
SHA1 hash:
e8abda330b435a3ed4aeab17dc3d6570636da5ea
Link:
https://www.unpac.me/results/256dde7c-5688-4ce8-830e-092dfae704e4/
SH256 hash:
863ef1241c9bebe07d305ecf6c008f1daae48e3f7d938872fb4d2c99a0bb91fe
MD5 hash:
9bfef3bfd6580402586a68b4074017aa
SHA1 hash:
6009d734d57a0793056357287c9a176291f09134
Link:
https://www.unpac.me/results/256dde7c-5688-4ce8-830e-092dfae704e4/
SH256 hash:
a750bc331fac040142dec00216a72a00a4e3ec24ef21e07a0cac445df3edcd3e
MD5 hash:
3eb50d8a01158bf0c2697affc25c8c8a
SHA1 hash:
87a11b23ceebf073709580bb79ea11d7af5acdce
Link:
https://www.unpac.me/results/256dde7c-5688-4ce8-830e-092dfae704e4/
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/a750bc331fac040142dec00216a72a00a4e3ec24ef21e07a0cac445df3edcd3e

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:Sectigo_Code_Signed
Create hunting rule
Description:Detects code signed by the Sectigo RSA Code Signing CA
Reference:https://bazaar.abuse.ch/export/csv/cscb/

File information

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

Web download

Executable exe a750bc331fac040142dec00216a72a00a4e3ec24ef21e07a0cac445df3edcd3e

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/271162/

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