MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1a48d3a68737c6275ef9eb5361c47fac3f268f94d6e47b18eca07082b946280. 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: c1a48d3a68737c6275ef9eb5361c47fac3f268f94d6e47b18eca07082b946280
SHA3-384 hash: 2009db18b9bc6a8c3bab32ab64c46da8481a78083ecfc3beeb1b4a123bb457e06593db84b4ff5744da98bea409ea811d
SHA1 hash: 3a6ad47c37ce048fb719dff912406bb01b129488
MD5 hash: dcdfd1fe9acfd4bf325a851b87ec8f02
humanhash: sweet-chicken-lake-black
File name:M7R81891.exe
Download: download sample
Signature Stop
Create hunting rule
File size:774'656 bytes
First seen:2023-05-25 07:40:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 761a416c92dda0b5d3a5091999204e5d (2 x RedLineStealer, 2 x Stop, 1 x Smoke Loader)
ssdeep 12288:2DMaQ1UkadLa6oYNzDj/Ddlb+FcsGV69V6RhspMhGyX1dZHvEjcVpvGg78/4iFzZ:2A/+jdqW/RRV69URh0mGdjWpvx7A4iF1
Threatray 1'865 similar samples on MalwareBazaar
TLSH T12CF401027AC0D071E59709359962C7B99A3BFCB24B618AE73B943B7E5E302D0CA75743
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 24304aa4a4280400 (1 x Stop)
Reporter Neiki
Tags:Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
117
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
M7R81891.exe
Verdict:
Malicious activity
Analysis date:
2023-05-25 07:42:00 UTC
Tags:
ransomware stop stealer vidar trojan loader arkei
Link:
https://app.any.run/tasks/07d48568-9744-4014-b6f0-f6b0b0d51278

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/391457/
Detection(s):
SecuriteInfo.com.Variant.Zusy.469633.5282.6412.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
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:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/87815/overview
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/646f11105ce396d092140c1d/reports/93021eda-25e1-478d-adf4-e75a44fbad58/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/c1a48d3a68737c6275ef9eb5361c47fac3f268f94d6e47b18eca07082b946280
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/d49168fc-a9b9-4d1e-8c22-284cef02391c
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1242247
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
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 known network protocols on non-standard ports
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 Babuk Ransomware
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Yara detected ZipBomb
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 875257 Sample: M7R81891.exe Startdate: 25/05/2023 Architecture: WINDOWS Score: 100 86 Snort IDS alert for network traffic 2->86 88 Multi AV Scanner detection for domain / URL 2->88 90 Found malware configuration 2->90 92 14 other signatures 2->92 11 M7R81891.exe 2->11         started        14 M7R81891.exe 2->14         started        16 M7R81891.exe 2->16         started        18 2 other processes 2->18 process3 signatures4 102 Detected unpacking (changes PE section rights) 11->102 104 Detected unpacking (overwrites its own PE header) 11->104 106 Writes a notice file (html or txt) to demand a ransom 11->106 108 Writes many files with high entropy 11->108 20 M7R81891.exe 1 16 11->20         started        110 Multi AV Scanner detection for dropped file 14->110 112 Machine Learning detection for dropped file 14->112 114 Injects a PE file into a foreign processes 14->114 24 M7R81891.exe 12 14->24         started        26 M7R81891.exe 16->26         started        28 M7R81891.exe 18->28         started        30 schtasks.exe 18->30         started        process5 dnsIp6 76 api.2ip.ua 162.0.217.254, 443, 49699, 49700 ACPCA Canada 20->76 58 C:\Users\user\AppData\Local\...\M7R81891.exe, PE32 20->58 dropped 60 C:\Users\...\M7R81891.exe:Zone.Identifier, ASCII 20->60 dropped 32 M7R81891.exe 20->32         started        35 icacls.exe 20->35         started        37 conhost.exe 30->37         started        file7 process8 signatures9 84 Injects a PE file into a foreign processes 32->84 39 M7R81891.exe 1 24 32->39         started        process10 dnsIp11 78 colisumy.com 201.124.33.177, 49701, 80 UninetSAdeCVMX Mexico 39->78 80 zexeq.com 186.182.55.44, 49702, 49704, 80 TechtelLMDSComunicacionesInteractivasSAAR Argentina 39->80 82 2 other IPs or domains 39->82 62 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 39->62 dropped 64 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 39->64 dropped 66 C:\_readme.txt, ASCII 39->66 dropped 68 136 other malicious files 39->68 dropped 100 Modifies existing user documents (likely ransomware behavior) 39->100 44 build2.exe 39->44         started        47 build3.exe 39->47         started        file12 signatures13 process14 file15 116 Detected unpacking (changes PE section rights) 44->116 118 Detected unpacking (overwrites its own PE header) 44->118 120 Injects a PE file into a foreign processes 44->120 50 build2.exe 44->50         started        70 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 47->70 dropped 122 Uses schtasks.exe or at.exe to add and modify task schedules 47->122 54 schtasks.exe 47->54         started        signatures16 process17 dnsIp18 72 t.me 149.154.167.99, 443, 49705 TELEGRAMRU United Kingdom 50->72 74 78.47.34.59, 30303, 49706 HETZNER-ASDE Germany 50->74 94 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 50->94 96 Tries to harvest and steal browser information (history, passwords, etc) 50->96 98 Tries to steal Crypto Currency Wallets 50->98 56 conhost.exe 54->56         started        signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1a48d3a68737c6275ef9eb5361c47fac3f268f94d6e47b18eca07082b946280/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2023-05-25 07:41:06 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ygsi2otion6ge5ppt22tmhch7lb7e2hzjvxepmmozidqqk4umkaa._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
35ba91ddf0d41590d0de137bc1d6e5524d8a84ecfabdae793e6b3a499f2c67d4
Stop
6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
Stop
83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
Stop
a0038a7651f4408728f4a8c7a2abe43b237fc9dc6645fa34e5c4d9c212658878
Stop
b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
Stop
d46fec4abba46efe6663f19c2d9963a612f4ff25023c0dc6fc5bb559f106859d
Stop
+ 1'855 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:e44c96dfdf315ccf17cdd4b93cfe6e48 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230525-jh4njahb71/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://zexeq.com/test1/get.php
https://steamcommunity.com/profiles/76561199508624021
https://t.me/looking_glassbot
Unpacked files
SH256 hash:
57dbb9a37418a7d6fa879e5225a42e39fc7e2f617a68fcaafdd8553a50602059
MD5 hash:
2447179d5ba714dc0799124e82219670
SHA1 hash:
cdec119d40fe4b8cca5b2abdbc74f335baf79f16
Detections:
stop_ransomware
Create hunting rule
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/7d0c179a-c191-4195-9034-2036aaf64edc/
Parent samples :
e2fefc08785ab65d1131f8c31bbf37efd9045b059df6bf8f49453c17c44d6a8c
c1a48d3a68737c6275ef9eb5361c47fac3f268f94d6e47b18eca07082b946280
5ba27223e4bb62b41203c2ac966af018b97337b03d8513594ffc4680e8f938c3
1e8fad364f49bafb8d283084d8c3cbd3016a01e1440453fae594d0ee4f19227e
120b279e341697ce08305141de64d4c035dbed496fc65f3a9dd69f8595be5218
6767263e2e3b69d94eea6a97de170097a8af42de5ccb476f8475f8414b931728
SH256 hash:
c1a48d3a68737c6275ef9eb5361c47fac3f268f94d6e47b18eca07082b946280
MD5 hash:
dcdfd1fe9acfd4bf325a851b87ec8f02
SHA1 hash:
3a6ad47c37ce048fb719dff912406bb01b129488
Link:
https://www.unpac.me/results/7d0c179a-c191-4195-9034-2036aaf64edc/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c1a48d3a6873/report/overview.html
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
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 (Nextron Systems)
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.

Cape
Cape
https://www.capesandbox.com/analysis/391457/

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