MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4a30f137e41ba8ea5fffa89ae9fc3b01364e4f880584946d0067c4b8532a384. 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


Stop


Vendor detections: 13


Intelligence 13 IOCs 1 YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d4a30f137e41ba8ea5fffa89ae9fc3b01364e4f880584946d0067c4b8532a384
SHA3-384 hash: 5f4c3fc909231c6172b1f891a7e6036008b029c380cc45d8fec2d5f2ef450f60750fa8d8d97d492629fad92780f761f4
SHA1 hash: 7351adfbeac9deebccd325d2ef688798b76f0923
MD5 hash: bd2942cdd22e0c2cfd80a677f07fafa8
humanhash: hydrogen-johnny-romeo-kilo
File name:d4a30f137e41ba8ea5fffa89ae9fc3b01364e4f880584946d0067c4b8532a384
Download: download sample
Signature Stop
Create hunting rule
File size:771'584 bytes
First seen:2021-09-29 07:47:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1435fac27cb0e146b6806556c822ef8f (4 x ArkeiStealer, 2 x RedLineStealer, 1 x CoinMiner)
ssdeep 12288:7u3osY1PUfgIq8C857ezGUf7MdpDNgOaklagDiOF7AwW+Ebgcyjh3/Mm:a4sYifXifWbgdWVF7AwubpW3/r
Threatray 728 similar samples on MalwareBazaar
TLSH T11EF40210A6E1C034F1F726BA9975D3B9A82DB9B05B2091CB63D447FA4A747E0DD30397
File icon (PE):PE icon
dhash icon e8e8c8e8aa66a499 (4 x RaccoonStealer, 3 x RedLineStealer, 3 x CryptBot)
Reporter JAMESWT_WT
Tags:exe Stop

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://23.88.111.187/ https://threatfox.abuse.ch/ioc/227508/

Intelligence

File Origin
# of uploads :
1
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d4a30f137e41ba8ea5fffa89ae9fc3b01364e4f880584946d0067c4b8532a384
Verdict:
Suspicious activity
Analysis date:
2021-09-29 07:51:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4b10242f-01bf-40f6-b29a-168585a22dd1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Create hunting rule
Link:
https://www.capesandbox.com/analysis/192969/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Malware family:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1a5ce6d2-4ce7-4839-8913-8a62c7679137
Result
Threat name:
Clipboard Hijacker Djvu Vidar Zorab
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/860825
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes many files with high entropy
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Yara detected Zorab Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 493351 Sample: 3jJa7lvi9n Startdate: 29/09/2021 Architecture: WINDOWS Score: 100 88 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->88 90 Multi AV Scanner detection for domain / URL 2->90 92 Antivirus detection for URL or domain 2->92 94 8 other signatures 2->94 12 3jJa7lvi9n.exe 2->12         started        15 3jJa7lvi9n.exe 2->15         started        17 mstsca.exe 2->17         started        19 3jJa7lvi9n.exe 2->19         started        process3 signatures4 112 Detected unpacking (overwrites its own PE header) 12->112 114 Contains functionality to inject code into remote processes 12->114 116 Writes many files with high entropy 12->116 21 3jJa7lvi9n.exe 1 16 12->21         started        118 Injects a PE file into a foreign processes 15->118 25 3jJa7lvi9n.exe 12 15->25         started        120 Detected unpacking (changes PE section rights) 17->120 27 mstsca.exe 17->27         started        29 3jJa7lvi9n.exe 19->29         started        process5 dnsIp6 86 api.2ip.ua 77.123.139.190, 443, 49761, 49762 VOLIA-ASUA Ukraine 21->86 64 C:\Users\...\3jJa7lvi9n.exe:Zone.Identifier, ASCII 21->64 dropped 31 3jJa7lvi9n.exe 21->31         started        34 icacls.exe 21->34         started        file7 process8 signatures9 122 Injects a PE file into a foreign processes 31->122 36 3jJa7lvi9n.exe 1 24 31->36         started        process10 dnsIp11 80 securebiz.org 106.243.14.107, 49763, 49766, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 36->80 82 znpst.top 190.117.75.91, 49764, 80 AmericaMovilPeruSACPE Peru 36->82 84 api.2ip.ua 36->84 56 C:\Users\user\AppData\...\mwf-main.min[1].css, COM 36->56 dropped 58 C:\Users\user\AppData\...\m=Uuupec[1].js, DOS 36->58 dropped 60 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 36->60 dropped 62 386 other files (376 malicious) 36->62 dropped 96 Infects executable files (exe, dll, sys, html) 36->96 98 Modifies existing user documents (likely ransomware behavior) 36->98 41 build3.exe 36->41         started        44 build2.exe 36->44         started        file12 signatures13 process14 signatures15 100 Detected unpacking (changes PE section rights) 41->100 102 Detected unpacking (overwrites its own PE header) 41->102 104 Machine Learning detection for dropped file 41->104 106 Uses schtasks.exe or at.exe to add and modify task schedules 41->106 46 build3.exe 41->46         started        108 Multi AV Scanner detection for dropped file 44->108 110 Injects a PE file into a foreign processes 44->110 49 build2.exe 44->49         started        process16 dnsIp17 66 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 46->66 dropped 52 schtasks.exe 46->52         started        76 79.124.78.139, 49774, 80 VERDINABZ Bulgaria 49->76 78 mas.to 88.99.75.82, 443, 49773 HETZNER-ASDE Germany 49->78 68 C:\Users\user\AppData\...\mozglue[1].dll, PE32 49->68 dropped 70 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 49->70 dropped 72 C:\Users\user\AppData\...\freebl3[1].dll, PE32 49->72 dropped 74 2 other files (none is malicious) 49->74 dropped file18 process19 process20 54 conhost.exe 52->54         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d4a30f137e41ba8ea5fffa89ae9fc3b01364e4f880584946d0067c4b8532a384/
Threat name:
Win32.Trojan.Raccrypt
Create hunting rule
Status:
Malicious
First seen:
2021-09-28 20:43:02 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2srq6e36ig5i5jp77ke25h6dwajwjzhyqbmesrwqaz6exbjsuoca._file
Verdict:
malicious
Similar samples:
08f290d886e67c9aaa4cf058fa166e50efc8181901773373c2123e5290edab71
Stop
0a644c28fba57280abf3226ace12e8aa12f284f78485423b7c358ed29f515167
Stop
1662a370129d1175bb6064da3b8080158ebe848ab34e433c67e93d4f3481b148
Stop
4bf131758e42addbad951bafa566adc56c2c60be43ea1f48ac00e5f7e528ef5b
Stop
55e262d517e470787760c984868f07d582f8d8efd9ff98db0870c48c9a51c23d
Stop
96888e3f86a786d67fe5d2df9f5d195721ec70de964fb1467a263eaa2a9c80bd
Stop
a8701b8d256bbccb00be92735e6b98f258d79efb875d8839e1c0ce09d16c3733
Stop
b0fd3e3432bc5f36f5d532b01164d97f6ed579bd693b98f8954ed0df0a2a9839
Stop
c3ade1984ff9031d528776a359b03e496cecb26c332bd826465eef2da60f41b1
Stop
f231ced50f8e3e7c440594da12aef3856be1bb7620cdb553b55d49160e2f6a31
Stop
+ 718 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/210929-jm526aebc6/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Detected Djvu ransomware
Djvu Ransomware
Vidar
Unpacked files
SH256 hash:
6e4e83491223920a8bd8b0689f63ad2fda8d2c5fe9b1bd038769e39fcdd9b82c
MD5 hash:
560682b97921987fdf11278fd6ba7a6f
SHA1 hash:
6635d97ed6fcbe778a48d426f3b42341fe6a97c9
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/31a48584-2947-47b3-b598-16f9caf2575f/
Parent samples :
d4a30f137e41ba8ea5fffa89ae9fc3b01364e4f880584946d0067c4b8532a384
23ef3edf3fc3bd322e8b1a4199c0b832c89b5f2d9fb0b218168110bad22c6bf5
ab9a2ac16788b95a8f0bd270cac235e4aaba83a1772396bc97fff0925e7c704c
2cdac05088d51a5ebb646fbba3c305ec14c950dc1ce3b3d51da5aa6584774429
30089a78356dd0f6801c73349dbcbdde0e5e8b6baed69a926066ddac97d9eea4
3d1185aaeb41f59249b8ceae636ec448697236455dacfb07fb8a3460ee17dab7
2cca6cadf1f67790d0234a75ec54a6670f0503e0283b223ca04a4b9e70e97576
5f577398b47d02dbb683a2ee2a32ffc49326f3874971791646fefdb02d6796f1
f7561de520f21434830d40d74904e93125b76407d477411622bbd829283ba8c4
SH256 hash:
d4a30f137e41ba8ea5fffa89ae9fc3b01364e4f880584946d0067c4b8532a384
MD5 hash:
bd2942cdd22e0c2cfd80a677f07fafa8
SHA1 hash:
7351adfbeac9deebccd325d2ef688798b76f0923
Link:
https://www.unpac.me/results/31a48584-2947-47b3-b598-16f9caf2575f/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d4a30f137e41/report/overview.html
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/d4a30f137e41ba8ea5fffa89ae9fc3b01364e4f880584946d0067c4b8532a384

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:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload
Rule name:win_stop_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.

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/192969/

Comments