MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cfb18dc520a776f2832382677964d5e035511a5109bea2faefaeca6e06bf51b0. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cfb18dc520a776f2832382677964d5e035511a5109bea2faefaeca6e06bf51b0
SHA3-384 hash: cab230a20158e2092c89be604cc01f028ec64a1f0c43f93e14ebe8e4d1d156be28c2b1b9ebe289c8ad0b864bfcafc84c
SHA1 hash: 60e1800bfeb224a061f9c82fbcb50bf4b12ee790
MD5 hash: c3c4435b50699bb1062d310cb3268dc9
humanhash: double-july-saturn-rugby
File name:c3c4435b50699bb1062d310cb3268dc9.exe
Download: download sample
Signature Stop
Create hunting rule
File size:742'912 bytes
First seen:2023-01-15 12:15:11 UTC
Last seen:2023-01-15 13:42:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 957b4b0acd80799989e45f63994907c8 (7 x Smoke Loader, 3 x RedLineStealer, 1 x Stop)
ssdeep 12288:Lz2XJO9Xc/ypa/1Bau81W8SF1CHKHlHZebKBT4pYBRtiJv2bkqydKvzf:Lz2XJOa/x7ZTnObKhQuTs2oHKvD
Threatray 2'790 similar samples on MalwareBazaar
TLSH T197F4122272C1E871C74643708E56CAE867BF7B308CA59663374C1A6F4BB53A0C967F19
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 9a9ecececee2cae6 (1 x Stop)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://91.107.158.249/

Intelligence

File Origin
# of uploads :
2
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
c3c4435b50699bb1062d310cb3268dc9.exe
Verdict:
Malicious activity
Analysis date:
2023-01-15 12:18:15 UTC
Tags:
trojan ransomware stop loader stealer vidar
Link:
https://app.any.run/tasks/47f5cd67-77ad-45b8-a9a4-113c5e34f58f

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/353076/
Detection(s):
SecuriteInfo.com.Variant.Babar.141380.8546.19455.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
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
Sending a custom TCP request
Deleting a recently created file
DNS request
Searching for synchronization primitives
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/60430/overview
Behaviour
MalwareBazaar
CPUID_Instruction
SystemUptime
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm babar greyware lockbit packed
Link:
https://www.filescan.io/uploads/63c3ee82eceae563152d0adb/reports/28521b5c-b120-43d6-9e44-400b6d3d3b0c/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5189527a-35fb-45d9-89b4-44ee1b8ee60f
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/1151885
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses schtasks.exe or at.exe to add and modify task schedules
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 784617 Sample: Kxn7HSvVZ3.exe Startdate: 15/01/2023 Architecture: WINDOWS Score: 100 94 Snort IDS alert for network traffic 2->94 96 Multi AV Scanner detection for domain / URL 2->96 98 Malicious sample detected (through community Yara rule) 2->98 100 10 other signatures 2->100 11 Kxn7HSvVZ3.exe 2->11         started        14 Kxn7HSvVZ3.exe 2->14         started        16 Kxn7HSvVZ3.exe 2->16         started        18 Kxn7HSvVZ3.exe 2->18         started        process3 signatures4 110 Detected unpacking (changes PE section rights) 11->110 112 Detected unpacking (overwrites its own PE header) 11->112 114 Writes a notice file (html or txt) to demand a ransom 11->114 122 2 other signatures 11->122 20 Kxn7HSvVZ3.exe 1 16 11->20         started        24 svchost.exe 11->24         started        116 Multi AV Scanner detection for dropped file 14->116 118 Machine Learning detection for dropped file 14->118 120 Injects a PE file into a foreign processes 14->120 26 Kxn7HSvVZ3.exe 14->26         started        28 Kxn7HSvVZ3.exe 12 16->28         started        30 Kxn7HSvVZ3.exe 18->30         started        process5 dnsIp6 78 api.2ip.ua 162.0.217.254, 443, 49696, 49699 ACPCA Canada 20->78 60 C:\Users\user\AppData\...\Kxn7HSvVZ3.exe, PE32 20->60 dropped 62 C:\Users\...\Kxn7HSvVZ3.exe:Zone.Identifier, ASCII 20->62 dropped 32 Kxn7HSvVZ3.exe 20->32         started        35 icacls.exe 20->35         started        37 WerFault.exe 24->37         started        80 211.40.39.251, 49709, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 26->80 82 spaceris.com 26->82 84 192.168.2.1 unknown unknown 28->84 file7 process8 signatures9 92 Injects a PE file into a foreign processes 32->92 39 Kxn7HSvVZ3.exe 1 25 32->39         started        process10 dnsIp11 86 spaceris.com 190.219.54.242, 49700, 49702, 80 CableOndaPA Panama 39->86 88 uaery.top 200.46.66.71, 49701, 80 CableOndaPA Panama 39->88 90 api.2ip.ua 39->90 64 C:\Users\user\AppData\Local\...\build2.exe, PE32 39->64 dropped 66 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 39->66 dropped 68 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 39->68 dropped 70 135 other malicious files 39->70 dropped 108 Modifies existing user documents (likely ransomware behavior) 39->108 44 build2.exe 39->44         started        47 build3.exe 1 39->47         started        file12 signatures13 process14 file15 124 Multi AV Scanner detection for dropped file 44->124 126 Detected unpacking (changes PE section rights) 44->126 128 Detected unpacking (creates a PE file in dynamic memory) 44->128 132 2 other signatures 44->132 50 build2.exe 44->50         started        72 C:\Users\user\AppData\Roaming\...\mstsca.exe, MS-DOS 47->72 dropped 130 Uses schtasks.exe or at.exe to add and modify task schedules 47->130 54 schtasks.exe 1 47->54         started        signatures16 process17 dnsIp18 74 t.me 149.154.167.99, 443, 49710 TELEGRAMRU United Kingdom 50->74 76 91.107.158.249, 49711, 80 HETZNER-ASDE Germany 50->76 102 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 50->102 104 Tries to harvest and steal browser information (history, passwords, etc) 50->104 106 Tries to steal Crypto Currency Wallets 50->106 56 WerFault.exe 50->56         started        58 conhost.exe 54->58         started        signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cfb18dc520a776f2832382677964d5e035511a5109bea2faefaeca6e06bf51b0/
Threat name:
Win32.Trojan.Lockbit
Create hunting rule
Status:
Malicious
First seen:
2023-01-15 12:16:07 UTC
File Type:
PE (Exe)
Extracted files:
30
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z6yy3rjau53pfazdqjtxszgv4a2vcgsrbg7kf6xpv3fg4bv7kgya._file
Verdict:
malicious
Similar samples:
1061b07d564f5b59516d9994855e0d5f02c704a5345e0f892c6f01b257c38caa
Stop
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
Stop
83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
Stop
b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
Stop
d46fec4abba46efe6663f19c2d9963a612f4ff25023c0dc6fc5bb559f106859d
Stop
+ 2'780 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:19 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230115-pffrksad7v/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
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
Checks computer location settings
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://spaceris.com/test1/get.php
https://t.me/tgdatapacks
https://steamcommunity.com/profiles/76561199469677637
Unpacked files
SH256 hash:
42d9beec768cf6d9bde7cdd6115d06e7b06ea40c521f20e2aa353df524c85aee
MD5 hash:
0d3da386f1e2c0869b6e2faa28709611
SHA1 hash:
e53796c41007ffbe026d28e97854630f19711b4b
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/654def80-1692-41b3-897a-32393dced74c/
Parent samples :
1224228040e2d2e6a74446f522379172684072aaa697483707b82653fe1c3cbb
cfb18dc520a776f2832382677964d5e035511a5109bea2faefaeca6e06bf51b0
500ccbcd1562c90f659b25d9998198fa89026e352ff0ceed736742ae3d36cede
70e99a9f44a29538c54ae2d694ea4b953e3d7ca6403169cdef2d420d96a82eff
dca4aa089e3a75aa3e0611e3479a0e7125b61fbab3ddc3556389dfd593f15eab
SH256 hash:
cfb18dc520a776f2832382677964d5e035511a5109bea2faefaeca6e06bf51b0
MD5 hash:
c3c4435b50699bb1062d310cb3268dc9
SHA1 hash:
60e1800bfeb224a061f9c82fbcb50bf4b12ee790
Link:
https://www.unpac.me/results/654def80-1692-41b3-897a-32393dced74c/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cfb18dc520a7/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/cfb18dc520a776f2832382677964d5e035511a5109bea2faefaeca6e06bf51b0

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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:Windows_Ransomware_Stop_1e8d48ff
Create hunting rule
Author:Elastic Security
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.

Web download

Stop

Executable exe cfb18dc520a776f2832382677964d5e035511a5109bea2faefaeca6e06bf51b0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2393524/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/353076/

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