MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac7281bd48b49ff0f35c2a12df380d517977bee9a19e41b23c835cc5fc7a903c. 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: 11


Intelligence 11 IOCs 1 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ac7281bd48b49ff0f35c2a12df380d517977bee9a19e41b23c835cc5fc7a903c
SHA3-384 hash: db9ffd6885ec85f7f969cd52be459214b7d5c908654d94aff11959b19a90d6e26b1d5c67e818d98e4abd742d5c1acd7a
SHA1 hash: 2429f18ebc64d59fe0e76f5f048ec22d195959bb
MD5 hash: b67e5b1985742f62785122b637ef4fbd
humanhash: kilo-connecticut-muppet-aspen
File name:b67e5b1985742f62785122b637ef4fbd.exe
Download: download sample
Signature Stop
Create hunting rule
File size:829'952 bytes
First seen:2021-05-28 19:47:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f648f82da86c29e8b6c0971365e00e98 (4 x Stop, 2 x RaccoonStealer, 2 x RedLineStealer)
ssdeep 12288:BRBrbBlHKtzNZ2fdw+sYh34z6TOvlA2LJwCIZj0hgtQcYU5IkPAVXvG2RfTn:NbBlVFlJ4z6TOvlAmJ3hgt/IoaxfT
Threatray 197 similar samples on MalwareBazaar
TLSH 87050100B6B0C035F5F225B955BA82A8A73E3DB15B74C5CF12D566EE1A78AD0EC30367
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://34.105.230.174/

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://34.105.230.174/ https://threatfox.abuse.ch/ioc/66374/

Intelligence

File Origin
# of uploads :
1
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b67e5b1985742f62785122b637ef4fbd.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-28 20:41:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5574625f-dc00-4429-b381-98e401a74754

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/163079/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader39.30225.10106.26397.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
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.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/794108
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
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 domain / URL
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: 426506 Sample: VmIhpUcNQd.exe Startdate: 28/05/2021 Architecture: WINDOWS Score: 100 100 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->100 102 Multi AV Scanner detection for domain / URL 2->102 104 Found malware configuration 2->104 106 8 other signatures 2->106 12 VmIhpUcNQd.exe 2->12         started        15 VmIhpUcNQd.exe 2->15         started        17 VmIhpUcNQd.exe 2->17         started        19 VmIhpUcNQd.exe 2->19         started        process3 signatures4 126 Detected unpacking (changes PE section rights) 12->126 128 Detected unpacking (overwrites its own PE header) 12->128 130 Contains functionality to inject code into remote processes 12->130 132 Writes many files with high entropy 12->132 21 VmIhpUcNQd.exe 1 16 12->21         started        134 Injects a PE file into a foreign processes 15->134 25 VmIhpUcNQd.exe 15->25         started        27 VmIhpUcNQd.exe 12 17->27         started        29 VmIhpUcNQd.exe 19->29         started        process5 dnsIp6 96 api.2ip.ua 77.123.139.190, 443, 49723, 49726 VOLIA-ASUA Ukraine 21->96 98 192.168.2.1 unknown unknown 21->98 82 C:\Users\user\AppData\...\VmIhpUcNQd.exe, PE32 21->82 dropped 84 C:\Users\...\VmIhpUcNQd.exe:Zone.Identifier, ASCII 21->84 dropped 31 VmIhpUcNQd.exe 21->31         started        34 icacls.exe 21->34         started        file7 process8 signatures9 136 Injects a PE file into a foreign processes 31->136 36 VmIhpUcNQd.exe 1 27 31->36         started        process10 dnsIp11 92 asvb.top 35.235.74.220, 49727, 49728, 49729 GOOGLEUS United States 36->92 94 api.2ip.ua 36->94 74 C__Windows_SystemA...e_Desktop_27[1].txt, DOS 36->74 dropped 76 C:\Users\user\AppData\...\updatewin2.exe, PE32 36->76 dropped 78 C:\Users\user\AppData\...\updatewin1.exe, PE32 36->78 dropped 80 156 other files (140 malicious) 36->80 dropped 112 Modifies existing user documents (likely ransomware behavior) 36->112 41 5.exe 36->41         started        44 updatewin2.exe 36->44         started        47 updatewin1.exe 2 36->47         started        file12 signatures13 process14 file15 114 Detected unpacking (changes PE section rights) 41->114 116 Detected unpacking (overwrites its own PE header) 41->116 118 Writes many files with high entropy 41->118 120 Injects a PE file into a foreign processes 41->120 49 5.exe 41->49         started        86 C:\Windows\System32\drivers\etc\hosts, ASCII 44->86 dropped 122 Mutes Antivirus updates and installments via hosts file black listing 44->122 124 Modifies the hosts file 44->124 54 updatewin1.exe 47->54         started        signatures16 process17 dnsIp18 88 tttttt.me 95.216.186.40, 443, 49736 HETZNER-ASDE Germany 49->88 90 34.105.230.174, 49737, 80 GOOGLEUS United States 49->90 66 C:\Users\user\AppData\...\pY4zE3fX7h.zip, Zip 49->66 dropped 68 C:\Users\user\AppData\...\bpR8NaAHmJH.zip, Zip 49->68 dropped 70 C:\Users\user\AppData\LocalLow\sqlite3.dll, PE32 49->70 dropped 72 58 other files (none is malicious) 49->72 dropped 108 Tries to steal Mail credentials (via file access) 49->108 110 Tries to harvest and steal browser information (history, passwords, etc) 49->110 56 cmd.exe 49->56         started        58 powershell.exe 54->58         started        file19 signatures20 process21 process22 60 conhost.exe 56->60         started        62 timeout.exe 56->62         started        64 conhost.exe 58->64         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ac7281bd48b49ff0f35c2a12df380d517977bee9a19e41b23c835cc5fc7a903c/
Threat name:
Win32.Trojan.Glupteba
Create hunting rule
Status:
Malicious
First seen:
2021-05-28 07:14:33 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vrzidpkiwsp7b424fijn6oankf4xppxjugpedmr4qnoml7d2sa6a._file
Verdict:
malicious
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+ 187 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/210528-4k3y7atey2/
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
Executes dropped EXE
Modifies extensions of user files
Disables Task Manager via registry modification
Downloads MZ/PE file
Drops file in Drivers directory
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/ac7281bd48b49ff0f35c2a12df380d517977bee9a19e41b23c835cc5fc7a903c

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:MALWARE_Win_Raccoon
Create hunting rule
Author:ditekSHen
Description:Detects Raccoon/Racealer infostealer
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:win_raccoon_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Web download

Stop

Executable exe ac7281bd48b49ff0f35c2a12df380d517977bee9a19e41b23c835cc5fc7a903c

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/163079/
  
URLhaus
https://urlhaus.abuse.ch/url/1256494/
  
Delivery method
Distributed via web download

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