MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31a37f9bde54c58fe6c7345e54584688fb90fbe583b9ee63fd482cd9d906a981. 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: 31a37f9bde54c58fe6c7345e54584688fb90fbe583b9ee63fd482cd9d906a981
SHA3-384 hash: cf5fdb1d8e45d0bd48012bc8afee12ed791124d11dc109076132bc5cf283558a11dc9d7ba723d582dff7577165efcf73
SHA1 hash: aa283d52c7b74a6ce9a0612e1057d01465a219c6
MD5 hash: 174a43a7407ce13015868b80711d4b50
humanhash: queen-michigan-seven-quiet
File name:174a43a7407ce13015868b80711d4b50.exe
Download: download sample
Signature Stop
Create hunting rule
File size:860'160 bytes
First seen:2021-05-22 18:35:43 UTC
Last seen:2021-05-22 19:01:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash eb5d6f8736c18200e63064e7d3f83282 (2 x ArkeiStealer, 1 x Stop, 1 x RaccoonStealer)
ssdeep 24576:kd/a7CyM/5NrOL8+MiDdvePlXz1HuwsTIjMXsL:D0hUciBvehzNXwX
Threatray 110 similar samples on MalwareBazaar
TLSH BC05E120A6A1C039F5BF02B447A59279A42A7DA1673443FF22D63ADE97345E4BC3074F
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 :
141
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
174a43a7407ce13015868b80711d4b50.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-22 18:52:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0ab1e56c-6f59-442c-9f69-af7019587424

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.36946415.25789.27277.UNOFFICIAL
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 Raccoon
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/788817
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 (overwrites its own PE header)
Found malware configuration
Found ransom note / readme
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Modifies the hosts file
Multi AV Scanner detection for submitted file
Mutes Antivirus updates and installments via hosts file black listing
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 steal Mail credentials (via file access)
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Raccoon Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 421213 Sample: Ug0EunEO53.exe Startdate: 22/05/2021 Architecture: WINDOWS Score: 100 100 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->100 102 Found malware configuration 2->102 104 Antivirus detection for URL or domain 2->104 106 7 other signatures 2->106 12 Ug0EunEO53.exe 2->12         started        15 Ug0EunEO53.exe 2->15         started        17 Ug0EunEO53.exe 2->17         started        19 Ug0EunEO53.exe 2->19         started        process3 signatures4 124 Detected unpacking (changes PE section rights) 12->124 126 Detected unpacking (overwrites its own PE header) 12->126 128 Contains functionality to inject code into remote processes 12->128 21 Ug0EunEO53.exe 1 16 12->21         started        130 Writes many files with high entropy 15->130 132 Injects a PE file into a foreign processes 15->132 25 Ug0EunEO53.exe 15->25         started        27 Ug0EunEO53.exe 12 17->27         started        29 Ug0EunEO53.exe 19->29         started        process5 dnsIp6 90 api.2ip.ua 77.123.139.190, 443, 49740, 49746 VOLIA-ASUA Ukraine 21->90 70 C:\Users\user\AppData\...\Ug0EunEO53.exe, PE32 21->70 dropped 72 C:\Users\...\Ug0EunEO53.exe:Zone.Identifier, ASCII 21->72 dropped 31 Ug0EunEO53.exe 21->31         started        34 icacls.exe 21->34         started        92 asvb.top 25->92 74 C:\Users\user\Desktop\Ug0EunEO53.exe, DOS 25->74 dropped 94 192.168.2.1 unknown unknown 27->94 file7 process8 signatures9 134 Injects a PE file into a foreign processes 31->134 36 Ug0EunEO53.exe 1 27 31->36         started        process10 dnsIp11 86 asvb.top 35.235.74.220, 49747, 49748, 49751 GOOGLEUS United States 36->86 88 api.2ip.ua 36->88 62 C:\Users\...\CachedImage_1280_1024_POS4.jpg, COM 36->62 dropped 64 C:\Users\...\AppCache132459245142415963.txt, COM 36->64 dropped 66 C:\Users\user\AppData\...\appsglobals.txt, COM 36->66 dropped 68 192 other files (179 malicious) 36->68 dropped 108 Infects executable files (exe, dll, sys, html) 36->108 110 Modifies existing user documents (likely ransomware behavior) 36->110 41 5.exe 36->41         started        46 updatewin2.exe 36->46         started        48 updatewin1.exe 2 36->48         started        file12 signatures13 process14 dnsIp15 96 tttttt.me 95.216.186.40, 443, 49756 HETZNER-ASDE Germany 41->96 98 45.67.231.132, 49758, 80 SERVERIUS-ASNL Moldova Republic of 41->98 76 C:\Users\user\AppData\...\pY4zE3fX7h.zip, Zip 41->76 dropped 78 C:\Users\user\AppData\...\9ErqUMJ2BCs.zip, Zip 41->78 dropped 80 C:\Users\user\AppData\LocalLow\sqlite3.dll, PE32 41->80 dropped 84 58 other files (none is malicious) 41->84 dropped 112 Tries to steal Mail credentials (via file access) 41->112 114 Tries to harvest and steal browser information (history, passwords, etc) 41->114 116 Writes many files with high entropy 41->116 50 cmd.exe 41->50         started        82 C:\Windows\System32\drivers\etc\hosts, ASCII 46->82 dropped 118 Detected unpacking (overwrites its own PE header) 46->118 120 Mutes Antivirus updates and installments via hosts file black listing 46->120 122 Modifies the hosts file 46->122 52 updatewin1.exe 48->52         started        file16 signatures17 process18 process19 54 conhost.exe 50->54         started        56 timeout.exe 50->56         started        58 powershell.exe 52->58         started        process20 60 conhost.exe 58->60         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31a37f9bde54c58fe6c7345e54584688fb90fbe583b9ee63fd482cd9d906a981/
Threat name:
Win32.Trojan.Hynamer
Create hunting rule
Status:
Malicious
First seen:
2021-05-22 06:42:37 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ggrx7g66ktcy7zwhgrpfiwcgrd5zb67fqo464y75jawntwigvgaq._file
Verdict:
malicious
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+ 100 additional samples on MalwareBazaar
Result
Malware family:
raccoon
Create hunting rule
Score:
  10/10
Tags:
family:raccoon botnet:1d76a465540f6a904ac9f1310fe3a3824b5b4549 discovery evasion persistence spyware stealer
Link:
https://tria.ge/reports/210522-chzepqvytj/
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
Deletes Windows Defender Definitions
Raccoon
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Gamarue
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/31a37f9bde54c58fe6c7345e54584688fb90fbe583b9ee63fd482cd9d906a981

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.

Web download

Stop

Executable exe 31a37f9bde54c58fe6c7345e54584688fb90fbe583b9ee63fd482cd9d906a981

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1256494/
  
Delivery method
Distributed via web download

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-22 19:00:48 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0012.001] Anti-Static Analysis::Argument Obfuscation
1) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
2) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
3) [C0047] File System Micro-objective::Delete File
4) [C0049] File System Micro-objective::Get File Attributes
5) [C0051] File System Micro-objective::Read File
6) [C0052] File System Micro-objective::Writes File
7) [C0033] Operating System Micro-objective::Console
8) [C0040] Process Micro-objective::Allocate Thread Local Storage
9) [C0043] Process Micro-objective::Check Mutex
10) [C0041] Process Micro-objective::Set Thread Local Storage Value
11) [C0018] Process Micro-objective::Terminate Process
12) [C0039] Process Micro-objective::Terminate Thread