MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11b7f1d4359ffc59bb196438cac277478ebd3e4b03bee2f7ba1f5622f6491b20. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments

SHA256 hash: 11b7f1d4359ffc59bb196438cac277478ebd3e4b03bee2f7ba1f5622f6491b20
SHA3-384 hash: 61320e6b9f83f193a65e82a8b665896e8bbf7e9bcd319076978847c91f48c725c3042fd7e2b5bcc0c57bfe8af07be63f
SHA1 hash: b432e24610b0f157e687235d4ab7c5aa06e96d75
MD5 hash: fbd17faee155b253f513529817c3cd69
humanhash: mirror-single-video-golf
File name:11b7f1d4359ffc59bb196438cac277478ebd3e4b03bee2f7ba1f5622f6491b20
Download: download sample
Signature Stop
File size:1'263'616 bytes
First seen:2021-12-09 13:58:16 UTC
Last seen:2021-12-09 13:58:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash bbdc5cea7d9bbd6ae9c6a36e9d9fb769 (8 x RedLineStealer, 3 x RaccoonStealer, 1 x Smoke Loader)
ssdeep 24576:zl8RRE6uNwusmKYzNm2ICQaOm7yooA9waRWa5iVBQWp0x:GRR73mKYzNdIe76ha58Wz
Threatray 973 similar samples on MalwareBazaar
TLSH T11145E0C2A25443D7DABA32715679B708B13E36B1DF2497C729C73876087BAC06C34D9A
File icon (PE):PE icon
dhash icon e0f8e8e8aa66a499 (12 x RedLineStealer, 11 x RaccoonStealer, 5 x ArkeiStealer)
Reporter struppigel
Tags:exe Stop STOPRansomware

Intelligence


File Origin
# of uploads :
2
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
11b7f1d4359ffc59bb196438cac277478ebd3e4b03bee2f7ba1f5622f6491b20
Verdict:
Suspicious activity
Analysis date:
2021-12-09 14:55:59 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
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
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.
Malware family:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Drops or copies cmd.exe with a different name (likely to bypass HIPS)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 537284 Sample: O6T8p95xh7 Startdate: 09/12/2021 Architecture: WINDOWS Score: 100 54 Found malware configuration 2->54 56 Antivirus detection for dropped file 2->56 58 Antivirus / Scanner detection for submitted sample 2->58 60 5 other signatures 2->60 8 O6T8p95xh7.exe 2->8         started        11 O6T8p95xh7.exe 2->11         started        13 O6T8p95xh7.exe 3 2->13         started        16 O6T8p95xh7.exe 2->16         started        process3 file4 62 Antivirus detection for dropped file 8->62 64 Multi AV Scanner detection for dropped file 8->64 66 Machine Learning detection for dropped file 8->66 68 Drops or copies cmd.exe with a different name (likely to bypass HIPS) 8->68 18 WerFault.exe 23 9 8->18         started        21 WerFault.exe 8->21         started        70 Injects a PE file into a foreign processes 11->70 23 O6T8p95xh7.exe 1 16 11->23         started        44 C:\Users\user\AppData\Local\...\peeiolnh.tmp, PE32 13->44 dropped 46 C:\Users\user\AppData\Local\...\cmd.exe, PE32 13->46 dropped 72 Creates an undocumented autostart registry key 13->72 26 O6T8p95xh7.exe 12 13->26         started        28 O6T8p95xh7.exe 12 16->28         started        signatures5 process6 dnsIp7 38 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 18->38 dropped 50 api.2ip.ua 77.123.139.190, 443, 49753, 49754 VOLIA-ASUA Ukraine 23->50 52 192.168.2.1 unknown unknown 23->52 40 C:\Users\user\AppData\...\O6T8p95xh7.exe, PE32 23->40 dropped 42 C:\Users\...\O6T8p95xh7.exe:Zone.Identifier, ASCII 23->42 dropped 30 O6T8p95xh7.exe 23->30         started        33 icacls.exe 23->33         started        file8 process9 signatures10 74 Injects a PE file into a foreign processes 30->74 35 O6T8p95xh7.exe 12 30->35         started        process11 dnsIp12 48 api.2ip.ua 35->48
Threat name:
Win32.Virus.Expiro
Status:
Malicious
First seen:
2021-12-09 10:21:14 UTC
File Type:
PE (Exe)
Extracted files:
12
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:
http://tzgl.org/fhsgtsspen6/get.php
https://mstdn.social/@sergeev43
https://koyu.space/@sergeev45
Unpacked files
SH256 hash:
9139dd35a9d2224f703578570da80ca9bc535239ea2f7fd0220eb45c1fd83384
MD5 hash:
d82109e8d386943566e1ab59631d2996
SHA1 hash:
3ec86cd7719fe4d659af6770031621c7ba26648a
Detections:
win_stop_auto
SH256 hash:
11b7f1d4359ffc59bb196438cac277478ebd3e4b03bee2f7ba1f5622f6491b20
MD5 hash:
fbd17faee155b253f513529817c3cd69
SHA1 hash:
b432e24610b0f157e687235d4ab7c5aa06e96d75
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.
Rule name:XOREngine_Misc_XOR_Func
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

File information


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

Comments