MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5b3a05a83dac1fde11c26bb358f513ddf0cb57853a141fecccda0446c842f81. 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 YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d5b3a05a83dac1fde11c26bb358f513ddf0cb57853a141fecccda0446c842f81
SHA3-384 hash: 7f232af8ff92e858d3057659ad4b3697ff3fa5fb42c9d22f21086f39bf7faff4ea61490350bc3a627353becf03596508
SHA1 hash: 96c021d336fdeba695ef9d9de3a22915cbee66dc
MD5 hash: 2fc229a6b103c773ad1f8805f1a484cf
humanhash: wolfram-queen-georgia-oklahoma
File name:d5b3a05a83dac1fde11c26bb358f513ddf0cb57853a141fecccda0446c842f81
Download: download sample
Signature Stop
Create hunting rule
File size:773'184 bytes
First seen:2021-09-14 06:38:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a5f1519af792c7c894446b2b7f883ca8 (2 x Stop, 1 x CryptBot, 1 x Smoke Loader)
ssdeep 12288:18vjaIQ5AmKhLsqDx8NqvW466WZdT2ja3skA1ESwovQBox6IByDi7M3Ltx0Tx7:G75g0bDx8N8lWdT0AHAmSwnBoxbByDi9
Threatray 641 similar samples on MalwareBazaar
TLSH T159F40120B6A0C035F5F702F469B9A378683E7DB15B7450CF62D52AEE16386E4AC31787
dhash icon 68e8e8e8aa66a499 (33 x RaccoonStealer, 14 x ArkeiStealer, 11 x RedLineStealer)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d5b3a05a83dac1fde11c26bb358f513ddf0cb57853a141fecccda0446c842f81
Verdict:
Suspicious activity
Analysis date:
2021-09-14 07:02:10 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/756d0cec-c9b2-4cdf-9dad-06a70ce21d84

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/187679/
Detection(s):
Win.Packed.Generic-9890178-0
Create hunting rule

Win.Malware.Generic-9890222-0
Create hunting rule

Win.Dropper.Raccoon-9890239-0
Create hunting rule

Win.Packed.Generic-9890255-0
Create hunting rule

Win.Malware.Generic-9890308-0
Create hunting rule

Win.Dropper.StopCrypt-9890322-0
Create hunting rule

Win.Packed.Jaik-9890329-0
Create hunting rule

Win.Packed.Jaik-9891196-0
Create hunting rule

Win.Packed.Jaik-9891200-0
Create hunting rule

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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware overlay packed
Link:
https://www.filescan.io/uploads/61750afba9d585e6d5370c5f/reports/b120d877-e166-4e54-849a-bdbad8228a0d/overview
Malware family:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4d93d944-bc29-414a-bcb2-5223250a5019
Result
Threat name:
Clipboard Hijacker Djvu Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/850419
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Found ransom note / readme
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 dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 482855 Sample: iuBCaAM3bo Startdate: 14/09/2021 Architecture: WINDOWS Score: 100 38 gheorghip.tumblr.com 74.114.154.18, 443, 49751 AUTOMATTICUS Canada 2->38 40 162.55.179.90, 49752, 80 ACPCA United States 2->40 42 api.2ip.ua 2->42 54 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->54 56 Antivirus detection for URL or domain 2->56 58 Antivirus detection for dropped file 2->58 60 11 other signatures 2->60 9 iuBCaAM3bo.exe 2->9         started        12 iuBCaAM3bo.exe 2->12         started        signatures3 process4 signatures5 62 Detected unpacking (changes PE section rights) 9->62 64 Contains functionality to inject code into remote processes 9->64 66 Writes many files with high entropy 9->66 14 iuBCaAM3bo.exe 1 17 9->14         started        68 Injects a PE file into a foreign processes 12->68 process6 dnsIp7 50 api.2ip.ua 77.123.139.190, 443, 49740, 49741 VOLIA-ASUA Ukraine 14->50 36 C:\Users\...\iuBCaAM3bo.exe:Zone.Identifier, ASCII 14->36 dropped 18 iuBCaAM3bo.exe 14->18         started        21 icacls.exe 14->21         started        file8 process9 signatures10 52 Injects a PE file into a foreign processes 18->52 23 iuBCaAM3bo.exe 1 24 18->23         started        process11 dnsIp12 44 securebiz.org 210.182.29.70, 49743, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 23->44 46 tbpws.top 189.41.55.87, 49742, 49746, 80 ALGARTELECOMSABR Brazil 23->46 48 2 other IPs or domains 23->48 28 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 23->28 dropped 30 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 23->30 dropped 32 C:\Users\user\AppData\Local\...\build3.exe, PE32 23->32 dropped 34 71 other files (60 malicious) 23->34 dropped 70 Modifies existing user documents (likely ransomware behavior) 23->70 file13 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d5b3a05a83dac1fde11c26bb358f513ddf0cb57853a141fecccda0446c842f81/
Threat name:
Win32.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2021-09-11 12:35:38 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
32 of 45 (71.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2wz2awud3la73yi4e25tld2rhxpqznlykoqud7wmzwqei3eef6aq._file
Verdict:
malicious
Similar samples:
15dd9d8533066e0b099af7258e5db6ed2f24edd712040b2ad0d3d1f8fecb2c5a
Stop
302c818ff4e207e4ecd8e66ae38fb7368c39b99a883f61dca027dff6d2b996da
Stop
4dcce8f4915ce7cc21ed6bd82421f733096670e3d6b8d9eb07855ecccb052cca
Stop
766795cb9bba01b3f2ad0700ebc7b60f909f548e34e5aef9e159ae461e91ced9
Stop
9b09da1293fd58901866a3883260951da71aa815d84ca70608627c21b457c3f6
Stop
a4656e6277f4a2474916019682ad674c7988a3b30a72ebc34d16089cb3e22453
Stop
cc2d59e5fe1823c860fa7b4996f8b5be24bbc4da15b757ea477ef3864031fac1
Stop
fa2b0b360a3fc8b8fc8057cf66d48a22bc2b346d95bff0c39638aae52596938c
Stop
+ 631 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer suricata
Link:
https://tria.ge/reports/210914-hen81aabdr/
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
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Malware Config
C2 Extraction:
https://gheorghip.tumblr.com/
Unpacked files
SH256 hash:
160aa84363640ef0e569e00640cda85b766b67c1ff71b0fd949a3ce2e6e40a9c
MD5 hash:
dc4e9cdb6ae0ce6841be15657634ad11
SHA1 hash:
585d350e71c55988c029423eec6b67737a520fa0
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/626df07e-0976-4868-b40c-e29a3ba144a8/
Parent samples :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 hash:
d5b3a05a83dac1fde11c26bb358f513ddf0cb57853a141fecccda0446c842f81
MD5 hash:
2fc229a6b103c773ad1f8805f1a484cf
SHA1 hash:
96c021d336fdeba695ef9d9de3a22915cbee66dc
Link:
https://www.unpac.me/results/626df07e-0976-4868-b40c-e29a3ba144a8/
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/d5b3a05a83dac1fde11c26bb358f513ddf0cb57853a141fecccda0446c842f81

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:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
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: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/187679/

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