MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 445ab3421fbfb7786ee2e2d8f5e09d919ce27392da08f35bbad07de05aed43c2. 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

SHA256 hash: 445ab3421fbfb7786ee2e2d8f5e09d919ce27392da08f35bbad07de05aed43c2
SHA3-384 hash: d2b29f1e3dee90402aae81c0dd1dfddc9391685e025947afabd565b637b74a915e2eff51df0f05e35bafff1f38f75bf5
SHA1 hash: effcba29e69944f2bcaee0f77b605fa628572f01
MD5 hash: 748916e8ed91e8775b9d74c373c82a86
humanhash: magnesium-pip-uncle-september
File name:VkDJ.exe
Download: download sample
File size:1'935'728 bytes
First seen:2022-06-18 09:42:55 UTC
Last seen:2022-06-18 10:32:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5a594319a0d69dbc452e748bcf05892e (21 x ParallaxRAT, 20 x Gh0stRAT, 15 x NetSupport)
ssdeep 24576:q4nXubIQGyxbPV0db26WaJVEuX/tsv1Et9uGpckT52zedlq89Ws5uIzk5aM/phdV:qqe3f68yqSffPMWrQ0Zkh
Threatray 7 similar samples on MalwareBazaar
TLSH T1C995C03BF268A53EC46E1B3245B39250597BBA60B81A8C1F07FC384DCF765601E3B656
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 vkdj

Code Signing Certificate

Organisation:Monitor OOO
Issuer:GlobalSign GCC R45 EV CodeSigning CA 2020
Algorithm:sha256WithRSAEncryption
Valid from:2022-05-18T15:55:42Z
Valid to:2023-02-15T10:49:11Z
Serial number: 7fcfefbad95143106dcc8d50
Intelligence: 5 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 71ca92fc8601b8f74f56a06e15100b0eb90155c0e16390cdbbf047481be188cc
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
398
Origin country :
n/a
Vendor Threat Intelligence
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
Behaviour
MalwareBazaar
CheckNumberOfProcessor
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
80%
Tags:
overlay packed setupapi.dll shell32.dll virus
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:
n/a
Score:
52 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Multi AV Scanner detection for domain / URL
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 648106 Sample: VkDJ.exe Startdate: 18/06/2022 Architecture: WINDOWS Score: 52 56 Multi AV Scanner detection for domain / URL 2->56 58 Antivirus detection for URL or domain 2->58 60 Antivirus / Scanner detection for submitted sample 2->60 62 2 other signatures 2->62 8 VkDJ.exe 2 2->8         started        process3 file4 36 C:\Users\user\AppData\Local\Temp\...\VkDJ.tmp, PE32 8->36 dropped 70 Obfuscated command line found 8->70 12 VkDJ.tmp 30 41 8->12         started        signatures5 process6 dnsIp7 50 cdn.yandex.net 5.45.205.243, 443, 49797 YANDEXRU Russian Federation 12->50 52 ext-cachev2-itt03.cdn.yandex.net 185.70.202.15, 443, 49798 SEABONE-NETTELECOMITALIASPARKLESpAIT Italy 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\AppData\Local\Temp\...\5.11.zip, Zip 12->42 dropped 44 5 other files (none is malicious) 12->44 dropped 72 Uses schtasks.exe or at.exe to add and modify task schedules 12->72 74 Uses 7zip to decompress a password protected archive 12->74 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 64 Antivirus detection for dropped file 17->64 66 Multi AV Scanner detection for dropped file 17->66 68 Writes or reads registry keys via WMI 17->68 34 C:\ProgramData\polished-potter\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
Threat name:
Win32.PUA.VkDJBundleInstaller
Status:
Malicious
First seen:
2022-06-18 09:43:13 UTC
File Type:
PE (Exe)
AV detection:
11 of 26 (42.31%)
Threat level:
  1/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery
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
SH256 hash:
549aa7da6c2b75e76c43c490d451cc794fdf0922cf99e7b0670461234e62fadb
MD5 hash:
b45872a3211b103d734671d60cbf8a8c
SHA1 hash:
a1bb6bd73bfabb5d63f0b22d245526dcc8b896c7
SH256 hash:
445ab3421fbfb7786ee2e2d8f5e09d919ce27392da08f35bbad07de05aed43c2
MD5 hash:
748916e8ed91e8775b9d74c373c82a86
SHA1 hash:
effcba29e69944f2bcaee0f77b605fa628572f01
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:exploit_any_poppopret
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.

File information


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

Web download

Executable exe 445ab3421fbfb7786ee2e2d8f5e09d919ce27392da08f35bbad07de05aed43c2

(this sample)

  
Link
  
Delivery method
Distributed via web download

Comments