MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b956e92b865ecc772c63964eee6d3ef9fcb56eea1b62c52130486d09b006542. 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: 9


Intelligence 9 IOCs YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6b956e92b865ecc772c63964eee6d3ef9fcb56eea1b62c52130486d09b006542
SHA3-384 hash: 10a2715a2908d488613b496398c70f274c0cc313d9e2e671ecb79ed2b0ecf1e25a20bb360c93c0bf359c21f48131565f
SHA1 hash: faed045987565fe79e6361757f94be1ee3a38d2f
MD5 hash: c8adb323cfa8bcb54d4f1b07ab356f14
humanhash: white-texas-maryland-yellow
File name:main_setup_x86x64.exe
Download: download sample
Signature CryptBot
Create hunting rule
File size:1'879'755 bytes
First seen:2021-04-21 10:47:48 UTC
Last seen:2021-04-21 12:12:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2b914b6fd04316572d777593dc737715 (4 x CryptBot, 4 x RedLineStealer, 3 x ServHelper)
ssdeep 49152:Qx4tAkzit+6rQJtrCMvz0Y3U1CHFQBXO6/GQcyqtDHCMXp7:Q+aZt+6UDH39GBfGQcyqtDRp7
Threatray 152 similar samples on MalwareBazaar
TLSH 4A952301B696ACB6C5822531E80EB77F297ABD5C1736C8C35304366B0F31D99D2787AB
Reporter JAMESWT_WT
Tags:CryptBot directx12download.com pw54321

Intelligence

File Origin
# of uploads :
3
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
main_setup_x86x64.exe
Verdict:
Malicious activity
Analysis date:
2021-04-21 10:56:06 UTC
Tags:
trojan
Link:
https://app.any.run/tasks/e6be46e5-02a9-4c65-8a88-b8038c894db1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Cryptbot
Create hunting rule
Link:
https://www.capesandbox.com/analysis/142025/
Detection(s):
PUA.Win.Downloader.Driverpack-6998194-0
Create hunting rule

PUA.Win.Adware.Generic-7505646-0
Create hunting rule

PUA.Win.File.Generic-7557964-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Launching a process
Creating a process with a hidden window
Running batch commands
Launching cmd.exe command interpreter
Creating a process from a recently created file
Sending a UDP request
Deleting a recently created file
DNS request
Result
Verdict:
UNKNOWN
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/690728
Signature
Contains functionality to register a low level keyboard hook
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sample is not signed and drops a device driver
Submitted sample is a known malware sample
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 394305 Sample: main_setup_x86x64.exe Startdate: 21/04/2021 Architecture: WINDOWS Score: 96 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected Cryptbot 2->55 57 2 other signatures 2->57 9 main_setup_x86x64.exe 7 2->9         started        process3 file4 37 C:\Users\user\AppData\Roaming\...\Voi.sys, ASCII 9->37 dropped 39 C:\Users\user\AppData\Roaming\...\Vai.sys, data 9->39 dropped 41 C:\Users\user\AppData\...\Riaprirmi.sys, data 9->41 dropped 43 C:\Users\user\AppData\Roaming\...\Per.sys, ASCII 9->43 dropped 65 Contains functionality to register a low level keyboard hook 9->65 67 Sample is not signed and drops a device driver 9->67 13 cmd.exe 1 9->13         started        16 makecab.exe 1 9->16         started        signatures5 process6 signatures7 69 Submitted sample is a known malware sample 13->69 71 Obfuscated command line found 13->71 73 Uses ping.exe to sleep 13->73 75 Uses ping.exe to check the status of other devices and networks 13->75 18 cmd.exe 3 13->18         started        21 conhost.exe 13->21         started        23 conhost.exe 16->23         started        process8 signatures9 59 Obfuscated command line found 18->59 61 Uses ping.exe to sleep 18->61 25 Moto.exe.com 18->25         started        27 PING.EXE 1 18->27         started        30 findstr.exe 1 18->30         started        process10 dnsIp11 33 Moto.exe.com 27 25->33         started        49 127.0.0.1 unknown unknown 27->49 45 C:\Users\user\AppData\...\Moto.exe.com, Targa 30->45 dropped file12 process13 dnsIp14 47 ezBmfxRwJtRaNArPiKvNLy.ezBmfxRwJtRaNArPiKvNLy 33->47 63 Tries to harvest and steal browser information (history, passwords, etc) 33->63 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b956e92b865ecc772c63964eee6d3ef9fcb56eea1b62c52130486d09b006542/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-04-21 11:09:05 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
12 of 47 (25.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nokw5evymxwmo4wghfso5zwt56p4wvxoug3cyuqtasdnbgyamvba._file
Verdict:
malicious
Similar samples:
10c0f1080840ab3cf7fd69f80a6b821a6f95cb7b57a7e43dfb757e9df598c18a
CryptBot
2e00fe5b5239656d02676e4e95e200ef21c1d1986e07d4c8d64d16ec1d6e821f
CryptBot
3688577e500b07cc1818d4c994651f791659efbf8ef3ff88329f25c4f65aba24
CryptBot
39a27d15f3d6175331a974825a440d7475187bae0c133a48a1a5155b49a82537
CryptBot
76386b4c6c46b36b26d9ce00df7982d461bcd1a7586dde62cd831349d0aa3a4b
CryptBot
7bc379fd5f28ca0016ae282820d517d7719cad2742a22968cc3c9d3434ff469d
CryptBot
7deefc102955d15af316521068fd9df9474507a3f0d4ef0c8cfbae498dd8fdef
CryptBot
95989d92a6f3b866338f30ad894fcd576761d869e2c01e80f903e498e820f130
CryptBot
c8a30abef2939b6c3b6193feffbaf8ba4a87c79fc32e71b10b94bbdb8e1e238f
CryptBot
e784ba83c1139d2d9880a2cd5546d1d7716694452ea84367fa9c238f97d5e5ad
CryptBot
+ 142 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/210421-bj7eh7ydve/
Behaviour
Checks processor information in registry
Runs ping.exe
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
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.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6b956e92b865ecc772c63964eee6d3ef9fcb56eea1b62c52130486d09b006542

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
Create hunting rule
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
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:MALWARE_Win_CryptBot
Create hunting rule
Author:ditekSHen
Description:CryptBot/Fugrafa stealer payload
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:with_sqlite
Create hunting rule
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.

  
X
https://twitter.com/olihough86/status/1384804136617644033?s=20
Cape
Cape
https://www.capesandbox.com/analysis/142025/

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-21 11:04:24 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [F0002.001] Collection::Application Hook
1) [F0002.002] Collection::Polling
2) [C0029.003] Cryptography Micro-objective::SHA256::Cryptographic Hash
3) [C0032.001] Data Micro-objective::CRC32::Checksum
4) [C0026.002] Data Micro-objective::XOR::Encode Data
6) [C0046] File System Micro-objective::Create Directory
7) [C0048] File System Micro-objective::Delete Directory
8) [C0047] File System Micro-objective::Delete File
9) [C0049] File System Micro-objective::Get File Attributes
10) [C0051] File System Micro-objective::Read File
11) [C0050] File System Micro-objective::Set File Attributes
12) [C0052] File System Micro-objective::Writes File
13) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
14) [C0017] Process Micro-objective::Create Process
15) [C0038] Process Micro-objective::Create Thread
16) [C0054] Process Micro-objective::Resume Thread
17) [C0018] Process Micro-objective::Terminate Process