MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b48348bce63f1ad4550e28f99b61f3166e30eec746299c4258632a5fae95df7d. 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 YARA 2 File information Comments 1

SHA256 hash: b48348bce63f1ad4550e28f99b61f3166e30eec746299c4258632a5fae95df7d
SHA3-384 hash: 7a1ec7bf80a464ecaa41792a2aea9fa0f67611f9f556fd215d6e07bf25ae07306e8c61f3de17b8b29a2db7b07d8bcca2
SHA1 hash: b751149e6e5c5d4a8907264b362a0d8e1873efbd
MD5 hash: 220aa39ccc6de1eb7c8778b067e370b7
humanhash: steak-muppet-single-sweet
File name:b48348bce63f1ad4550e28f99b61f3166e30eec746299c4258632a5fae95df7d.exe
Download: download sample
Signature Stop
File size:846'848 bytes
First seen:2021-05-20 09:33:44 UTC
Last seen:2021-05-20 10:11:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 603b896ff6facdaf7c6925ae0fc71a2e (1 x CryptBot, 1 x Stop, 1 x RaccoonStealer)
ssdeep 12288:oP49QNJFLsAK7jgqd+OTBjtuvu79qHW2S2aS7PRQhDE3DRpDaSj/JuH6l:oKQNLfqI0uWJyf9gHi
Threatray 104 similar samples on MalwareBazaar
TLSH 8905F12066D0C037F5F712B449B983B9B53E79A32334B0CF52C96AEA56246E4BC31767
Reporter Finch39487976
Tags:.nusm Ransomware Stop

Intelligence


File Origin
# of uploads :
2
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b48348bce63f1ad4550e28f99b61f3166e30eec746299c4258632a5fae95df7d.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-20 09:38:39 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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:
Detection:
malicious
Classification:
rans.spre.adwa.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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)
Suspicious powershell command line found
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 418407 Sample: 8IdTv3XWio.exe Startdate: 20/05/2021 Architecture: WINDOWS Score: 100 108 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->108 110 Antivirus detection for URL or domain 2->110 112 Multi AV Scanner detection for submitted file 2->112 114 4 other signatures 2->114 12 8IdTv3XWio.exe 2->12         started        15 8IdTv3XWio.exe 2->15         started        17 8IdTv3XWio.exe 2->17         started        19 8IdTv3XWio.exe 2->19         started        process3 signatures4 140 Detected unpacking (changes PE section rights) 12->140 142 Detected unpacking (overwrites its own PE header) 12->142 144 Contains functionality to inject code into remote processes 12->144 21 8IdTv3XWio.exe 1 18 12->21         started        146 Writes many files with high entropy 15->146 148 Injects a PE file into a foreign processes 15->148 25 8IdTv3XWio.exe 15->25         started        27 8IdTv3XWio.exe 17->27         started        29 8IdTv3XWio.exe 13 19->29         started        process5 dnsIp6 100 api.2ip.ua 77.123.139.190, 443, 49711, 49722 VOLIA-ASUA Ukraine 21->100 78 C:\Users\user\AppData\...\8IdTv3XWio.exe, PE32 21->78 dropped 80 C:\Users\...\8IdTv3XWio.exe:Zone.Identifier, ASCII 21->80 dropped 31 8IdTv3XWio.exe 21->31         started        34 icacls.exe 21->34         started        102 asvb.top 27->102 82 C:\Users\user\Desktop\8IdTv3XWio.exe, data 27->82 dropped file7 process8 signatures9 150 Injects a PE file into a foreign processes 31->150 36 8IdTv3XWio.exe 1 27 31->36         started        process10 dnsIp11 94 asvb.top 35.235.74.220, 49724, 49725, 49726 GOOGLEUS United States 36->94 96 192.168.2.1 unknown unknown 36->96 98 api.2ip.ua 36->98 70 C:\Users\user\AppData\...\appssynonyms.txt, DOS 36->70 dropped 72 C:\Users\user\AppData\...\USSres00001.jrs, DOS 36->72 dropped 74 C:\Users\user\AppData\...\updatewin2.exe, PE32 36->74 dropped 76 166 other files (151 malicious) 36->76 dropped 118 Tries to harvest and steal browser information (history, passwords, etc) 36->118 120 Infects executable files (exe, dll, sys, html) 36->120 122 Modifies existing user documents (likely ransomware behavior) 36->122 41 5.exe 36->41         started        46 updatewin1.exe 2 36->46         started        48 updatewin2.exe 36->48         started        file12 signatures13 process14 dnsIp15 104 tttttt.me 95.216.186.40, 443, 49731 HETZNER-ASDE Germany 41->104 106 45.142.212.182, 49732, 80 ALEXHOSTMD Russian Federation 41->106 84 C:\Users\user\AppData\...\jpxeCpwIGCN.zip, Zip 41->84 dropped 86 C:\Users\user\AppData\...\pY4zE3fX7h.zip, Zip 41->86 dropped 88 C:\Users\user\AppData\LocalLow\sqlite3.dll, PE32 41->88 dropped 92 58 other files (none is malicious) 41->92 dropped 124 Tries to steal Mail credentials (via file access) 41->124 126 Tries to harvest and steal browser information (history, passwords, etc) 41->126 128 Writes many files with high entropy 41->128 50 cmd.exe 41->50         started        130 Detected unpacking (overwrites its own PE header) 46->130 132 Suspicious powershell command line found 46->132 134 Bypasses PowerShell execution policy 46->134 52 updatewin1.exe 46->52         started        90 C:\Windows\System32\drivers\etc\hosts, ASCII 48->90 dropped 136 Mutes Antivirus updates and installments via hosts file black listing 48->136 138 Modifies the hosts file 48->138 file16 signatures17 process18 file19 56 conhost.exe 50->56         started        58 timeout.exe 50->58         started        68 C:\Users\user\AppData\Local\script.ps1, ASCII 52->68 dropped 116 Suspicious powershell command line found 52->116 60 powershell.exe 52->60         started        62 powershell.exe 52->62         started        signatures20 process21 process22 64 conhost.exe 60->64         started        66 conhost.exe 62->66         started       
Threat name:
Win32.Trojan.Glupteba
Status:
Malicious
First seen:
2021-05-19 16:36:14 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
26 of 47 (55.32%)
Threat level:
  5/5
Result
Malware family:
raccoon
Score:
  10/10
Tags:
family:raccoon botnet:1d76a465540f6a904ac9f1310fe3a3824b5b4549 discovery evasion persistence spyware stealer
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.

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
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:SUSP_XORed_URL_in_EXE
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 2021-05-20 10:00:25 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) [C0045] File System Micro-objective::Copy File
4) [C0047] File System Micro-objective::Delete 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
14) [C0039] Process Micro-objective::Terminate Thread