MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7deefc102955d15af316521068fd9df9474507a3f0d4ef0c8cfbae498dd8fdef. 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



CryptBot


Vendor detections: 7


Intelligence 7 IOCs 2 YARA 6 File information Comments 1

SHA256 hash: 7deefc102955d15af316521068fd9df9474507a3f0d4ef0c8cfbae498dd8fdef
SHA3-384 hash: 335955392b0431f1d7f9e5dacff41844cb445a7e91a833a72e45c20ab8df94c1fbee3ede819924956a1dd81abd483677
SHA1 hash: 8e6d38e388047fb26384eb849914730b36fd22c0
MD5 hash: c4c831f6d47eef1cfae1af76a485f539
humanhash: mexico-green-idaho-sweet
File name:c4c831f6d47eef1cfae1af76a485f539.exe
Download: download sample
Signature CryptBot
File size:762'368 bytes
First seen:2021-04-18 10:15:17 UTC
Last seen:2021-04-18 10:54:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 67b96b4223581f56d41e39decf1fe60c (1 x TaurusStealer, 1 x CryptBot)
ssdeep 12288:nPmZO1mdOCKUjYR8UwLXw5dn+RinicwN54gIJLdXgIS83yiY6/k2z:neOmduUjYqUwzw5dn+RinDwN54gIzgh+
Threatray 96 similar samples on MalwareBazaar
TLSH 3BF4F12176D0C033C39665767654C7B44B7EB8F11B461ACFBFC42A786F24BD2AA6070A
Reporter abuse_ch
Tags:CryptBot exe


Avatar
abuse_ch
CryptBot C2:
http://maruil07.top/index.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://maruil07.top/index.php https://threatfox.abuse.ch/ioc/8855/
http://aufvhu72.top/index.php https://threatfox.abuse.ch/ioc/8856/

Intelligence


File Origin
# of uploads :
2
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c4c831f6d47eef1cfae1af76a485f539.exe
Verdict:
Malicious activity
Analysis date:
2021-04-18 10:17:24 UTC
Tags:
stealer trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Deleting a recently created file
Creating a file
Delayed reading of the file
Reading critical registry keys
Creating a window
Sending a UDP request
DNS request
Connection attempt
Sending an HTTP POST request
Stealing user critical data
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:
Cryptbot
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to register a low level keyboard hook
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Obfuscated command line found
Submitted sample is a known malware sample
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Cryptbot
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 391345 Sample: OVNQqw2Wx6.exe Startdate: 18/04/2021 Architecture: WINDOWS Score: 100 95 Malicious sample detected (through community Yara rule) 2->95 97 Multi AV Scanner detection for dropped file 2->97 99 Detected unpacking (changes PE section rights) 2->99 101 7 other signatures 2->101 12 OVNQqw2Wx6.exe 50 2->12         started        17 SmartClock.exe 2->17         started        19 SmartClock.exe 2->19         started        process3 dnsIp4 85 aufvhu72.top 34.106.56.30, 49758, 80 GOOGLEUS United States 12->85 87 awushk10.top 35.230.174.9, 49760, 49766, 80 GOOGLEUS United States 12->87 89 maruil07.top 35.230.85.144, 49759, 80 GOOGLEUS United States 12->89 73 C:\Users\user\AppData\Local\Temp\Bulgir.exe, PE32 12->73 dropped 75 C:\Users\user\AppData\Local\...\lv[1].exe, PE32 12->75 dropped 119 Detected unpacking (changes PE section rights) 12->119 121 Detected unpacking (overwrites its own PE header) 12->121 123 Tries to harvest and steal browser information (history, passwords, etc) 12->123 21 Bulgir.exe 19 12->21         started        25 cmd.exe 1 12->25         started        file5 signatures6 process7 file8 65 C:\Users\user\AppData\Local\Temp\...\vpn.exe, PE32 21->65 dropped 67 C:\Users\user\AppData\Local\Temp\...\4.exe, PE32 21->67 dropped 69 C:\Users\user\AppData\Local\Temp\...\UAC.dll, PE32 21->69 dropped 103 Multi AV Scanner detection for dropped file 21->103 105 Machine Learning detection for dropped file 21->105 27 vpn.exe 7 21->27         started        29 4.exe 4 21->29         started        107 Submitted sample is a known malware sample 25->107 109 Obfuscated command line found 25->109 111 Uses ping.exe to sleep 25->111 113 Uses ping.exe to check the status of other devices and networks 25->113 32 conhost.exe 25->32         started        34 timeout.exe 1 25->34         started        signatures9 process10 file11 36 cmd.exe 1 27->36         started        38 makecab.exe 1 27->38         started        77 C:\Users\user\AppData\...\SmartClock.exe, PE32 29->77 dropped 40 SmartClock.exe 29->40         started        process12 process13 42 cmd.exe 3 36->42         started        45 conhost.exe 36->45         started        47 conhost.exe 38->47         started        signatures14 115 Obfuscated command line found 42->115 117 Uses ping.exe to sleep 42->117 49 Paragone.exe.com 42->49         started        52 PING.EXE 42->52         started        55 findstr.exe 1 42->55         started        process15 dnsIp16 93 May check the online IP address of the machine 49->93 58 Paragone.exe.com 49->58         started        79 127.0.0.1 unknown unknown 52->79 71 C:\Users\user\AppData\...\Paragone.exe.com, Targa 55->71 dropped file17 signatures18 process19 dnsIp20 81 ip-api.com 208.95.112.1, 49769, 80 TUT-ASUS United States 58->81 83 bQlpziSOkRF.bQlpziSOkRF 58->83 61 wscript.exe 58->61         started        process21 dnsIp22 91 iplogger.org 88.99.66.31, 443, 49770 HETZNER-ASDE Germany 61->91 125 System process connects to network (likely due to code injection or exploit) 61->125 127 May check the online IP address of the machine 61->127 signatures23
Gathering data
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies registry class
Runs ping.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Looks up external IP address via web service
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
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:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:MALWARE_Win_CryptBot
Author:ditekSHen
Description:CryptBot/Fugrafa stealer payload
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:with_sqlite
Author:Julian J. Gonzalez <info@seguridadparatodos.es>
Description:Rule to detect the presence of SQLite data in raw image
Reference:http://www.st2labs.com

File information


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

Web download

CryptBot

Executable exe 7deefc102955d15af316521068fd9df9474507a3f0d4ef0c8cfbae498dd8fdef

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-18 11:12:52 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
1) [B0012.001] Anti-Static Analysis::Argument Obfuscation
2) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
3) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
4) [C0049] File System Micro-objective::Get File Attributes
5) [C0051] File System Micro-objective::Read File
6) [C0050] File System Micro-objective::Set File Attributes
7) [C0052] File System Micro-objective::Writes File
8) [C0007] Memory Micro-objective::Allocate Memory
9) [C0033] Operating System Micro-objective::Console
10) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
11) [C0040] Process Micro-objective::Allocate Thread Local Storage
12) [C0041] Process Micro-objective::Set Thread Local Storage Value
13) [C0018] Process Micro-objective::Terminate Process