MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3c88f1eb3f1aaa88b244a3fc1d7a58d061d141e8d6708148ba2db99b274490c. 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: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3c88f1eb3f1aaa88b244a3fc1d7a58d061d141e8d6708148ba2db99b274490c
SHA3-384 hash: 0e2122259cd79991452dd0ce644c875850e16ea0a7a88eacb413ffc7142417a2e558ac3460479eaf9952cfdde0e038e0
SHA1 hash: d2f52d25e2ce7e0ab31155feff49eb6e290abd25
MD5 hash: ebf2fdf87b7ca5c692562055e1a1805b
humanhash: oxygen-two-uniform-uranus
File name:b3c88f1eb3f1aaa88b244a3fc1d7a58d061d141e8d6708148ba2db99b274490c
Download: download sample
Signature Stop
Create hunting rule
File size:830'976 bytes
First seen:2022-03-25 08:52:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bb5c85780accae38869d0dd0616cda73 (2 x Stop)
ssdeep 24576:r8R4J3kkCbtdsWhwgDaPWqimnOP8DeXXI:r8sd6lhwgDaPWqdDeo
Threatray 906 similar samples on MalwareBazaar
TLSH T13D05F110B691C034F4B726F445B683B8A62E7EE19B2490CF63D12AFE57356E1EC3125B
File icon (PE):PE icon
dhash icon 25ec1378399b9b91 (23 x RedLineStealer, 13 x Smoke Loader, 7 x RaccoonStealer)
Reporter JAMESWT_WT
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/257610/
Detection(s):
Win.Dropper.Generickdz-9939781-0
Create hunting rule

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
Searching for synchronization primitives
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:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/11327/overview
Behaviour
MalwareBazaar
CPUID_Instruction
SystemUptime
MeasuringTime
CheckCmdLine
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/623d82fc1f2042394827c613/reports/6c590bc8-3981-49cb-9173-545b5c30b41b/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/20857e6b-4e7b-48d5-84e5-5302fd9b397c
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/964429
Signature
Antivirus detection for URL or domain
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to inject code into remote processes
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 dropped file
Multi AV Scanner detection for submitted file
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 596912 Sample: BLbeu7noat Startdate: 25/03/2022 Architecture: WINDOWS Score: 100 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 3 other signatures 2->62 8 BLbeu7noat.exe 2->8         started        11 BLbeu7noat.exe 2->11         started        13 BLbeu7noat.exe 2->13         started        15 BLbeu7noat.exe 2->15         started        process3 signatures4 66 Multi AV Scanner detection for dropped file 8->66 68 Machine Learning detection for dropped file 8->68 70 Contains functionality to inject code into remote processes 8->70 17 BLbeu7noat.exe 1 18 8->17         started        72 Injects a PE file into a foreign processes 11->72 74 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 11->74 22 BLbeu7noat.exe 1 16 11->22         started        24 BLbeu7noat.exe 12 13->24         started        26 BLbeu7noat.exe 15->26         started        process5 dnsIp6 48 fuyt.org 180.69.193.102, 49765, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 17->48 36 C:\Users\user\Desktop\...\ZGGKNSUKOP.jpg, data 17->36 dropped 38 C:\Users\user\Desktop\PALRGUCVEH.docx, data 17->38 dropped 40 C:\Users\user\Desktop\CZQKSDDMWR.png, data 17->40 dropped 46 3 other malicious files 17->46 dropped 64 Modifies existing user documents (likely ransomware behavior) 17->64 50 api.2ip.ua 162.0.218.244, 443, 49754, 49755 ACPCA Canada 22->50 42 C:\Users\user\AppData\...\BLbeu7noat.exe, PE32 22->42 dropped 44 C:\Users\...\BLbeu7noat.exe:Zone.Identifier, ASCII 22->44 dropped 28 BLbeu7noat.exe 22->28         started        31 icacls.exe 22->31         started        52 192.168.2.1 unknown unknown 24->52 file7 signatures8 process9 signatures10 76 Injects a PE file into a foreign processes 28->76 33 BLbeu7noat.exe 12 28->33         started        process11 dnsIp12 54 api.2ip.ua 33->54
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3c88f1eb3f1aaa88b244a3fc1d7a58d061d141e8d6708148ba2db99b274490c/
Threat name:
Win32.Trojan.Azorult
Create hunting rule
Status:
Malicious
First seen:
2022-03-07 06:04:00 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
38 of 42 (90.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wpei6hvt6gvkrczeji74dv5frudb2fa6rvtqqfelulnztmtujega._file
Verdict:
malicious
Similar samples:
2ec22ff642ea83f3ebccca4b3e339e489862f19734cdb412fb45f19861e87dca
Stop
43063ca44a4aa0295b67ef271fe75da47885ca435478d748db142bf70b1aa536
Stop
48ddbcd8f3032a8fdc0a3d4a9d8aeda6c308f483086e1225fdddc4aa7427efe4
Stop
7a4023b282b7224de166066ae699391f13d915f86b2d0b40c2a5b0fe1a9718cd
Stop
9c703d32fa73fde2328022f3e1fad58bb2fd1cc739dd6f68dbe3d88fdcee2664
Stop
ae058994900610eeff5d5a9cdd8c0bc6ecaf25e94e3b51d31b836f88e1c345c2
Stop
+ 896 additional samples on MalwareBazaar
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
family:djvu ransomware
Link:
https://tria.ge/reports/220325-kstfzsded8/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://fuyt.org/fhsgtsspen6/get.php
Unpacked files
SH256 hash:
1d3d862a7d90043608aa8585cdc74d57ff9586cf9165b787543a3a13ea8d9b98
MD5 hash:
ea1f80714e926c1a9549bb8aca036a69
SHA1 hash:
c12094b5f50edfeb3f18154a3d8dfe1ca073ddc3
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/a7029eb0-3551-4a81-a07a-59df639a7cdc/
Parent samples :
17a21c03cda1d7443ca4bef3a410bc88b544b55e28088a3ae550aebc517bea35
b3c88f1eb3f1aaa88b244a3fc1d7a58d061d141e8d6708148ba2db99b274490c
df4cf6f6be06bfd7eaf23bffc9c16639573228bc72fd6262352a242b5bdf2080
01f5a1f72f3f59e7b23627dff52e6dc3d9f166b864d639d2cbe40fd8c7327ddd
SH256 hash:
b3c88f1eb3f1aaa88b244a3fc1d7a58d061d141e8d6708148ba2db99b274490c
MD5 hash:
ebf2fdf87b7ca5c692562055e1a1805b
SHA1 hash:
d2f52d25e2ce7e0ab31155feff49eb6e290abd25
Link:
https://www.unpac.me/results/a7029eb0-3551-4a81-a07a-59df639a7cdc/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b3c88f1eb3f1/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/b3c88f1eb3f1aaa88b244a3fc1d7a58d061d141e8d6708148ba2db99b274490c

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: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:XOREngine_Misc_XOR_Func
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/257610/

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