MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a63e24da9d07a7049bd05ca2188df900a37d14bdae836aa0b3d288f81e3371d. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: 1a63e24da9d07a7049bd05ca2188df900a37d14bdae836aa0b3d288f81e3371d
SHA3-384 hash: f38c253544955d731083e88c9d788e2ad39f39897bdc8ea3be99562f34d0bcd35e0220d9b70788309cf77ee3f2b93e26
SHA1 hash: 3eff79f5ddd20613c66e686b328029932c1fbde1
MD5 hash: 18a2df454add6e4202ed8c1209de7f0f
humanhash: orange-texas-arkansas-tango
File name:1a63e24da9d07a7049bd05ca2188df900a37d14bdae836aa0b3d288f81e3371d
Download: download sample
Signature Stop
File size:702'464 bytes
First seen:2021-09-13 06:23:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6af2f376c26d45636195772a4c22fdda (12 x RaccoonStealer, 5 x Stop, 3 x Amadey)
ssdeep 12288:4RRVhSXWWDx2Rj8pihDpg/fUAuzq201BD14U6cCeNVgc:MVhmMjIiJpg/faA1CcCeN
Threatray 609 similar samples on MalwareBazaar
TLSH T1F8E42370F1B0CCB3C9C6153984D9537389AB7BB08622F1872B1927AF3E71191962E797
dhash icon 4839b2b4e8c38890 (137 x RaccoonStealer, 37 x Smoke Loader, 30 x RedLineStealer)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence


File Origin
# of uploads :
1
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1a63e24da9d07a7049bd05ca2188df900a37d14bdae836aa0b3d288f81e3371d
Verdict:
Suspicious activity
Analysis date:
2021-09-13 06:34:35 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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 packed
Malware family:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
Djvu Vidar
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
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)
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 481918 Sample: DUQJVf1Fc0 Startdate: 13/09/2021 Architecture: WINDOWS Score: 100 36 gheorghip.tumblr.com 74.114.154.22, 443, 49762 AUTOMATTICUS Canada 2->36 38 162.55.179.90, 49763, 80 ACPCA United States 2->38 40 api.2ip.ua 2->40 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 Multi AV Scanner detection for dropped file 2->58 60 8 other signatures 2->60 9 DUQJVf1Fc0.exe 2->9         started        signatures3 process4 signatures5 64 Detected unpacking (changes PE section rights) 9->64 66 Contains functionality to inject code into remote processes 9->66 68 Writes many files with high entropy 9->68 70 Injects a PE file into a foreign processes 9->70 12 DUQJVf1Fc0.exe 1 16 9->12         started        process6 dnsIp7 48 api.2ip.ua 77.123.139.190, 443, 49757, 49758 VOLIA-ASUA Ukraine 12->48 50 192.168.2.1 unknown unknown 12->50 34 C:\Users\...\DUQJVf1Fc0.exe:Zone.Identifier, ASCII 12->34 dropped 16 DUQJVf1Fc0.exe 12->16         started        19 icacls.exe 12->19         started        file8 process9 signatures10 52 Injects a PE file into a foreign processes 16->52 21 DUQJVf1Fc0.exe 1 20 16->21         started        process11 dnsIp12 42 securebiz.org 222.232.238.243, 49759, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 21->42 44 astdg.top 21->44 46 api.2ip.ua 21->46 26 APASixthEditionOff...ine.xsl.lqqw (copy), DOS 21->26 dropped 28 C:\Users\...\APASixthEditionOfficeOnline.xsl, DOS 21->28 dropped 30 C:\Users\user\AppData\Local\...\H5CBTHZO.js, DOS 21->30 dropped 32 363 other files (355 malicious) 21->32 dropped 62 Modifies existing user documents (likely ransomware behavior) 21->62 file13 signatures14
Threat name:
Win32.Trojan.Fragtor
Status:
Malicious
First seen:
2021-08-30 04:31:19 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar botnet:517 discovery persistence ransomware spyware stealer suricata
Behaviour
Checks processor information in registry
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/
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:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:SUSP_XORed_URL_in_EXE
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
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_stop_auto
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.

Comments