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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec2ff3ea783304168e8acdf7e60a3c4d97efa75bf922c10ee1b947d1b87a7cc2. 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


Vjw0rm


Vendor detections: 9


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

SHA256 hash: ec2ff3ea783304168e8acdf7e60a3c4d97efa75bf922c10ee1b947d1b87a7cc2
SHA3-384 hash: 27ebee4dad7e2505b28510c20facc11eeb0661281dc521c64aa0fcdda94a16a0b9405621c5dca32a0fce71f5a50b6ef7
SHA1 hash: 7ccd97e4c9afcd1006aaeb617f1d197d8913e34c
MD5 hash: a3d61c51677550bcab428e66d5ae3080
humanhash: march-oklahoma-mockingbird-potato
File name:A3D61C51677550BCAB428E66D5AE3080.exe
Download: download sample
Signature Vjw0rm
Create hunting rule
File size:2'219'698 bytes
First seen:2021-08-02 04:45:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (919 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 49152:zbA3QEThXw57teXjNdbxkFPL01tYHYAsG3CfR3zF93DZvL1:zbqNw5peXp1x4jAH43+R3zz3FvL1
Threatray 737 similar samples on MalwareBazaar
TLSH T1B8A52201BD85A4B2C2E20DB25D77563025BBE4314F345A8B93D416689A726C3FB73B3B
dhash icon f0f4b2f2b0b2dc70 (1 x Vjw0rm)
Reporter abuse_ch
Tags:exe vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
http://utcsvc.linkpc.net:8082/Vre

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://utcsvc.linkpc.net:8082/Vre https://threatfox.abuse.ch/ioc/165398/

Intelligence

File Origin
# of uploads :
1
# of downloads :
652
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
A3D61C51677550BCAB428E66D5AE3080.exe
Verdict:
Malicious activity
Analysis date:
2021-08-02 04:46:28 UTC
Tags:
trojan vjworm
Link:
https://app.any.run/tasks/d9dd7f4f-f8d7-4c82-97f1-af119bba47a8

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/175618/
Detection(s):
Win.Malware.Qshell-9875653-0
Create hunting rule

SecuriteInfo.com.Trojan.Rasftuby.Gen.14.10239.27368.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Launching a process
Creating a process with a hidden window
DNS request
Connection attempt
Sending a UDP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/4e04ec2e-860a-46bc-abd6-94c7170dee8f
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.expl.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/825230
Signature
Drops script or batch files to the startup folder
Multi AV Scanner detection for submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
System process connects to network (likely due to code injection or exploit)
Uses known network protocols on non-standard ports
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 457642 Sample: 6FSEDF2A94.exe Startdate: 02/08/2021 Architecture: WINDOWS Score: 96 68 Multi AV Scanner detection for submitted file 2->68 70 Yara detected AntiVM3 2->70 72 Sigma detected: Drops script at startup location 2->72 74 3 other signatures 2->74 8 6FSEDF2A94.exe 4 9 2->8         started        11 wscript.exe 12 2->11         started        15 wscript.exe 2->15         started        17 2 other processes 2->17 process3 dnsIp4 48 C:\Users\user\AppData\Local\Temp\info.js, Little-endian 8->48 dropped 50 C:\Users\user\AppData\Local\Temp\setup.exe, PE32+ 8->50 dropped 19 wscript.exe 2 14 8->19         started        23 setup.exe 8->23         started        60 utcsvc.linkpc.net 11->60 82 System process connects to network (likely due to code injection or exploit) 11->82 84 Drops script or batch files to the startup folder 11->84 86 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 11->86 25 schtasks.exe 11->25         started        62 utcsvc.linkpc.net 15->62 52 C:\Users\user\AppData\Roaming\info.js, Little-endian 15->52 dropped 27 schtasks.exe 15->27         started        64 utcsvc.linkpc.net 17->64 66 utcsvc.linkpc.net 17->66 54 C:\Users\user\AppData\Roaming\...\info.js, Little-endian 17->54 dropped 29 schtasks.exe 17->29         started        31 schtasks.exe 17->31         started        file5 signatures6 process7 dnsIp8 56 utcsvc.linkpc.net 116.202.31.1, 49745, 49761, 49762 HETZNER-ASDE Germany 19->56 76 Drops script or batch files to the startup folder 19->76 78 Uses schtasks.exe or at.exe to add and modify task schedules 19->78 80 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 19->80 33 schtasks.exe 1 19->33         started        35 WerFault.exe 21 9 23->35         started        38 conhost.exe 25->38         started        40 conhost.exe 27->40         started        42 conhost.exe 29->42         started        44 conhost.exe 31->44         started        signatures9 process10 dnsIp11 46 conhost.exe 33->46         started        58 192.168.2.1 unknown unknown 35->58 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ec2ff3ea783304168e8acdf7e60a3c4d97efa75bf922c10ee1b947d1b87a7cc2/
Threat name:
Win32.Ransomware.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-07-30 22:41:06 UTC
AV detection:
9 of 28 (32.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5qx7h2tygmcbndukzx36mcr4jwl67j237ermcdxbxfd5dod2ptba._file
Verdict:
malicious
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Vjw0rm
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88c98c6871442d02b5f26dc7625926c1dcd4de88a7d31bc53786f6182204c902
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bc7cbed34a28008fed6c5c7d7fea8658d4abeb1eff5b06e06a917680d5091fcf
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e3df75eda0f3fff88f4ab98a687f7ec50b1adde27dbb1bb0947f96892eebf493
Vjw0rm
+ 727 additional samples on MalwareBazaar
Result
Malware family:
vjw0rm
Create hunting rule
Score:
  10/10
Tags:
family:vjw0rm persistence trojan worm
Link:
https://tria.ge/reports/210802-7cc9397dps/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Adds Run key to start application
Drops startup file
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Vjw0rm
Unpacked files
SH256 hash:
ec2ff3ea783304168e8acdf7e60a3c4d97efa75bf922c10ee1b947d1b87a7cc2
MD5 hash:
a3d61c51677550bcab428e66d5ae3080
SHA1 hash:
7ccd97e4c9afcd1006aaeb617f1d197d8913e34c
Link:
https://www.unpac.me/results/e7606485-1c08-4ad5-9575-377e9c48d585/
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/ec2ff3ea783304168e8acdf7e60a3c4d97efa75bf922c10ee1b947d1b87a7cc2

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/175618/

Comments