MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7285f5c1f7862d285e46c16a1f489962b97157d59a0d64dacd7f5f33ac6e6a4c. 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: 10


Intelligence 10 IOCs 1 YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7285f5c1f7862d285e46c16a1f489962b97157d59a0d64dacd7f5f33ac6e6a4c
SHA3-384 hash: 0c8bb2b73b03fbf1ae6d4b84bbcc1c526d532f33e9299e4dae74dcb564cd6119f9b9561cc66a1fcb2f5ce00cb49dc1ca
SHA1 hash: 3b8b93bc7ff5dba0f1080cb5d5fbbfac15d4ddde
MD5 hash: 27646f88338ea7ae743276a9ee008d91
humanhash: quiet-carbon-india-edward
File name:27646f88338ea7ae743276a9ee008d91.exe
Download: download sample
Signature Stop
Create hunting rule
File size:833'024 bytes
First seen:2021-05-22 20:40:14 UTC
Last seen:2021-05-22 21:01:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 504bb0b71ee55c007562ef2777d0e673 (1 x CryptBot, 1 x Stop)
ssdeep 12288:TgZ4ey5adiWxmeBLJKfr2/X0QpJZ8OB3B9etKY/HxVxhFcegPR5ciDxBtGHLuCuC:Tgm5Itifr2csbBLxY/Zw4iVbpS
Threatray 111 similar samples on MalwareBazaar
TLSH 6105F120A791C039F8F756F969BA5278AA3A3EA16B3480CF52C11BFD57346E59C30317
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://45.67.231.132/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://45.67.231.132/ https://threatfox.abuse.ch/ioc/57108/

Intelligence

File Origin
# of uploads :
2
# of downloads :
159
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
27646f88338ea7ae743276a9ee008d91.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-22 20:44:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/374098ac-82e1-45f5-8e13-cfa7e8f41f91

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Malware.Raccoon-9862901-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Deleting a recently created file
Sending an HTTP GET request
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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.
Result
Threat name:
Djvu
Create hunting rule
Detection:
malicious
Classification:
rans.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/788921
Signature
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 421317 Sample: jT5Tmk6twR.exe Startdate: 22/05/2021 Architecture: WINDOWS Score: 96 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected Djvu Ransomware 2->45 47 Machine Learning detection for sample 2->47 8 jT5Tmk6twR.exe 2->8         started        11 jT5Tmk6twR.exe 2->11         started        13 jT5Tmk6twR.exe 2->13         started        15 jT5Tmk6twR.exe 2->15         started        process3 signatures4 49 Detected unpacking (changes PE section rights) 8->49 51 Detected unpacking (overwrites its own PE header) 8->51 53 Contains functionality to inject code into remote processes 8->53 17 jT5Tmk6twR.exe 1 16 8->17         started        55 Multi AV Scanner detection for dropped file 11->55 57 Machine Learning detection for dropped file 11->57 59 Injects a PE file into a foreign processes 11->59 21 jT5Tmk6twR.exe 12 11->21         started        23 jT5Tmk6twR.exe 12 13->23         started        25 jT5Tmk6twR.exe 12 15->25         started        process5 dnsIp6 41 api.2ip.ua 77.123.139.190, 443, 49694, 49703 VOLIA-ASUA Ukraine 17->41 35 C:\Users\user\AppData\...\jT5Tmk6twR.exe, PE32 17->35 dropped 37 C:\Users\...\jT5Tmk6twR.exe:Zone.Identifier, ASCII 17->37 dropped 27 jT5Tmk6twR.exe 17->27         started        30 icacls.exe 17->30         started        file7 process8 signatures9 61 Injects a PE file into a foreign processes 27->61 32 jT5Tmk6twR.exe 12 27->32         started        process10 dnsIp11 39 api.2ip.ua 32->39
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7285f5c1f7862d285e46c16a1f489962b97157d59a0d64dacd7f5f33ac6e6a4c/
Threat name:
Win32.Ransomware.Stop
Create hunting rule
Status:
Malicious
First seen:
2021-05-19 10:57:18 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=okc7lqpxqywsqxsgyfvb6sezmk4xcv6vtigwjwwnp5pthldonjga._file
Verdict:
malicious
Similar samples:
0e55e17532909ad5ad34eb4e35d791b27c6951dd15a8baba34c29ae572c884d0
Stop
20ebe8ff1da6f2023a43b3e3cbe14479961699f9dec0324f72070fa2b275eaae
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496b5885ff8f521c91ca037338e188ea0374bf86816d0c804d3010fd2f5fec38
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7c75df63bc40beca5ccf65db76c33539ee9f3468a4149e1a0c0bfd30949f4b4d
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869bd0ca39150a6e0f87609ca7e927211ba9cf636b69c33c3cd09db85922dd94
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a3c074948f5e3d2b89f0035bbf7bd74b1a3ec0525dc1496b4463f55ef15f3521
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b48348bce63f1ad4550e28f99b61f3166e30eec746299c4258632a5fae95df7d
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e81e9dfe89a98449992b1ca9e4acb9905b606dc3de186b9de94241bde3b230be
Stop
e8bcd430d48c430ced6992340cbce21ffc1a4d8cc60e6255b76870d33a5ea6b9
Stop
ed8a7ffec56f450a365e758012db092883bbd23565f3f9fbb004c189fb703de3
Stop
+ 101 additional samples on MalwareBazaar
Result
Malware family:
raccoon
Create hunting rule
Score:
  10/10
Tags:
family:raccoon botnet:1d76a465540f6a904ac9f1310fe3a3824b5b4549 discovery evasion persistence ransomware spyware stealer
Link:
https://tria.ge/reports/210522-warddhyzpa/
Behaviour
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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 local email clients
Reads user/profile data of web browsers
Disables Task Manager via registry modification
Downloads MZ/PE file
Drops file in Drivers directory
Executes dropped EXE
Modifies extensions of user files
Deletes Windows Defender Definitions
Raccoon
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/7285f5c1f7862d285e46c16a1f489962b97157d59a0d64dacd7f5f33ac6e6a4c

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

File information

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

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-22 21:02:07 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0012.001] Anti-Static Analysis::Argument Obfuscation
1) [C0003.001] Communication Micro-objective::Create Pipe::Interprocess Communication
2) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
3) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
4) [C0045] File System Micro-objective::Copy File
5) [C0049] File System Micro-objective::Get File Attributes
6) [C0051] File System Micro-objective::Read File
7) [C0052] File System Micro-objective::Writes File
8) [C0007] Memory Micro-objective::Allocate Memory
9) [C0033] Operating System Micro-objective::Console
10) [C0040] Process Micro-objective::Allocate Thread Local Storage
11) [C0043] Process Micro-objective::Check Mutex
12) [C0041] Process Micro-objective::Set Thread Local Storage Value
13) [C0018] Process Micro-objective::Terminate Process