MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4fbbf7a2752e26155739578b41992276d04dfb2cb7fff2f146c40c751326201. 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 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4fbbf7a2752e26155739578b41992276d04dfb2cb7fff2f146c40c751326201
SHA3-384 hash: 7ac97c769cc863fa6ce127112aaa1dcc81d73a09e7a75e2e64a75d873824677e38a0a8674386730dfde67dfef3938100
SHA1 hash: 5fc866e06867c0ed5637de39abaf7ba675ca3a5a
MD5 hash: 9953dd735ab77196185b11b930df991f
humanhash: eighteen-stairway-hydrogen-zulu
File name:9953dd735ab77196185b11b930df991f.exe
Download: download sample
Signature Stop
Create hunting rule
File size:801'280 bytes
First seen:2022-08-23 00:05:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 23a10c0599daa8b4efa6cbee1d51dfd7 (4 x Smoke Loader, 4 x Stop, 2 x RedLineStealer)
ssdeep 24576:5kuSAit/smDKW0zk7NMvGt63dLWTLeFTx:5iFKnvGo3ZAId
Threatray 1'656 similar samples on MalwareBazaar
TLSH T1BD050101FA90C036E4B656F845B6C3A8BA3E3ED1AB6444CB12D536FE56346E4EC3075B
TrID 40.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.0% (.SCR) Windows screen saver (13101/52/3)
13.6% (.EXE) Win64 Executable (generic) (10523/12/4)
8.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 25ec137039939b91 (7 x Smoke Loader, 4 x RedLineStealer, 2 x Stop)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://135.181.104.248/

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://135.181.104.248/ https://threatfox.abuse.ch/ioc/844709/

Intelligence

File Origin
# of uploads :
1
# of downloads :
336
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9953dd735ab77196185b11b930df991f.exe
Verdict:
Malicious activity
Analysis date:
2022-08-23 00:07:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3dd3af39-e665-4b8f-891b-938f65154c6d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/300355/
Detection(s):
Win.Packed.Crypterx-9964586-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Сreating synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Query of malicious DNS domain
Sending a TCP request to an infection source
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/29722/overview
Behaviour
MalwareBazaar
CPUID_Instruction
MeasuringTime
SystemUptime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed pandora smoke
Link:
https://www.filescan.io/uploads/630419ee3cbb13868a724896/reports/6379489f-9f88-4511-bff7-a61a279e13f8/overview
Result
Verdict:
UNKNOWN
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/78740d57-61ab-46be-b64e-e1a125e3bd89
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1055925
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 688442 Sample: 1x2tO62brY.exe Startdate: 23/08/2022 Architecture: WINDOWS Score: 100 54 Snort IDS alert for network traffic 2->54 56 Multi AV Scanner detection for domain / URL 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 6 other signatures 2->60 8 1x2tO62brY.exe 2->8         started        11 1x2tO62brY.exe 2->11         started        13 1x2tO62brY.exe 2->13         started        15 1x2tO62brY.exe 2->15         started        process3 signatures4 64 Injects a PE file into a foreign processes 8->64 17 1x2tO62brY.exe 19 8->17         started        22 1x2tO62brY.exe 1 18 11->22         started        66 Multi AV Scanner detection for dropped file 13->66 68 Machine Learning detection for dropped file 13->68 24 1x2tO62brY.exe 13 13->24         started        26 1x2tO62brY.exe 13 15->26         started        process5 dnsIp6 48 acacaca.org 211.40.39.251, 49752, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 17->48 36 C:\Users\user\Desktop\...\WUTJSCBCFX.docx, data 17->36 dropped 38 C:\Users\user\Desktop\...\IPKGELNTQY.png, data 17->38 dropped 40 C:\Users\user\Desktop\SFPUSAFIOL.png, data 17->40 dropped 46 3 other malicious files 17->46 dropped 62 Modifies existing user documents (likely ransomware behavior) 17->62 50 api.2ip.ua 162.0.217.254, 443, 49744, 49745 ACPCA Canada 22->50 42 C:\Users\user\AppData\...\1x2tO62brY.exe, PE32 22->42 dropped 44 C:\Users\...\1x2tO62brY.exe:Zone.Identifier, ASCII 22->44 dropped 28 1x2tO62brY.exe 22->28         started        31 icacls.exe 22->31         started        file7 signatures8 process9 signatures10 70 Injects a PE file into a foreign processes 28->70 33 1x2tO62brY.exe 13 28->33         started        process11 dnsIp12 52 api.2ip.ua 33->52
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f4fbbf7a2752e26155739578b41992276d04dfb2cb7fff2f146c40c751326201/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2022-08-23 00:06:09 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6t5366rhklrgcvltsv4ligmse5wqjx5szn776lyunramoujsmiaq._file
Verdict:
malicious
Similar samples:
0f307e93c8748420970921cd14a83a4a6e01d8cc9b87aa0d978b7277877ccc06
Stop
547804cc69c7d2f281d1ef57f54319adc186d920ba6fa0fb75e82d76bc9493f2
Stop
548fbdc91fdab245ad38f40ab00e08bf15fcec469b0fe9879c0b30c6954d940c
Stop
55043585c15ff65ca4b8df91c0b0f1c883d4cfd40933c6d25c2d9159e2f0757c
Stop
a137ef69c31ccb16b44e956b49a71361b8ad50c06d82b508032239b573677f4d
Stop
bebf3064e366d052d6594d3e23ed074a410a0bee3007545110c2cd10b2954f07
Stop
dc93dc6e3f38d8e8a8961ecb9366572adc01cac682c3649714b94bbd6e8b10c1
Stop
ebe9d795ebe7b5b98a4d4eb27bcdfaee9d9567424a563cc74ffb4fd2fa712744
Stop
f5568dbc0f8640a105c3a7c4243e627fbf8218df12c9f331a38cf11e93f58358
Stop
fae85f9f8092c35c0a2d2057f231f4e4886163679ecbf0fe43c2d232414efa82
Stop
+ 1'646 additional samples on MalwareBazaar
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/220823-adrnqsfabn/
Behaviour
Checks processor information in registry
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
Malware Config
C2 Extraction:
http://acacaca.org/fhsgtsspen6/get.php
Unpacked files
SH256 hash:
23bb733d92eb0db62bf45486c8ede9f794282233f228fc9f0d30c8d58e8fe91b
MD5 hash:
55e6668c9a8afd326641d1fb2ee0f571
SHA1 hash:
8688db1dc3ba2426c5ebaa0ee64e7e05320ca576
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/075a78dd-1c10-4394-ac48-9d7c152b3438/
Parent samples :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 hash:
f4fbbf7a2752e26155739578b41992276d04dfb2cb7fff2f146c40c751326201
MD5 hash:
9953dd735ab77196185b11b930df991f
SHA1 hash:
5fc866e06867c0ed5637de39abaf7ba675ca3a5a
Link:
https://www.unpac.me/results/075a78dd-1c10-4394-ac48-9d7c152b3438/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f4fbbf7a2752/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/f4fbbf7a2752e26155739578b41992276d04dfb2cb7fff2f146c40c751326201

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:win_stop_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.
Rule name:win_vidar_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.vidar.

File information

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

Web download

Stop

Executable exe f4fbbf7a2752e26155739578b41992276d04dfb2cb7fff2f146c40c751326201

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2261263/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/300355/

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