MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b5e4b6d3d7e43bfc663ffc92778e7f107104e300d10b99c6f1dfc6171e835f6. 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

SHA256 hash: 1b5e4b6d3d7e43bfc663ffc92778e7f107104e300d10b99c6f1dfc6171e835f6
SHA3-384 hash: 03c54eb198e0fd50035cd31f1ece700dd8fe6a5b7c581f4d2220b1acf8a81af9eaef4a1888a4e074b6708beeb9e7d0ff
SHA1 hash: 531ffd701a279fe372788a75927f1b1f91d01daa
MD5 hash: a108fca4217b9e6ae3a44bd312eb6009
humanhash: tennis-ten-fruit-quebec
File name:a108fca4217b9e6ae3a44bd312eb6009.exe
Download: download sample
Signature CryptBot
File size:699'904 bytes
First seen:2021-04-13 08:00:42 UTC
Last seen:2021-04-13 08:55:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 75f5095e96ef29561ba3a46aa9d00439 (1 x CryptBot, 1 x FickerStealer)
ssdeep 12288:GEleQ9DRO8g37GG83nTkFaKBI1ABkPNWhGoJ1FYQEV4jgfqIYzA/h:RndO8gLvknCrBx2P4hGoHEujgS0h
TLSH 01E4011237D1C133E2A334364755CAB52AABB8725B264ACB7BC41B7D4F343E19A2570B
Reporter abuse_ch
Tags:CryptBot exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a108fca4217b9e6ae3a44bd312eb6009.exe
Verdict:
Malicious activity
Analysis date:
2021-04-13 08:04:36 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
Sending a UDP request
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
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:
Unknown
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)
Multi AV Scanner detection for submitted file
Obfuscated command line found
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 385932 Sample: AxR5BQRYxH.exe Startdate: 13/04/2021 Architecture: WINDOWS Score: 100 83 Malicious sample detected (through community Yara rule) 2->83 85 Multi AV Scanner detection for submitted file 2->85 87 Detected unpacking (changes PE section rights) 2->87 89 6 other signatures 2->89 11 AxR5BQRYxH.exe 50 2->11         started        16 SmartClock.exe 2->16         started        18 SmartClock.exe 2->18         started        process3 dnsIp4 77 marahu02.top 34.69.164.141, 49712, 80 GOOGLEUS United States 11->77 79 aufakl22.top 34.82.9.227, 49709, 80 GOOGLEUS United States 11->79 81 awuwxc03.top 8.209.66.205, 49713, 49714, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC Singapore 11->81 65 C:\Users\user\AppData\Local\Temp\Ashmed.exe, PE32 11->65 dropped 67 C:\Users\user\AppData\Local\...\lv[1].exe, PE32 11->67 dropped 105 Detected unpacking (changes PE section rights) 11->105 107 Detected unpacking (overwrites its own PE header) 11->107 109 Tries to harvest and steal browser information (history, passwords, etc) 11->109 20 Ashmed.exe 19 11->20         started        24 cmd.exe 1 11->24         started        file5 signatures6 process7 file8 59 C:\Users\user\AppData\Local\Temp\...\vpn.exe, PE32 20->59 dropped 61 C:\Users\user\AppData\Local\Temp\...\4.exe, PE32 20->61 dropped 63 C:\Users\user\AppData\Local\Temp\...\UAC.dll, PE32 20->63 dropped 91 Machine Learning detection for dropped file 20->91 26 vpn.exe 7 20->26         started        29 4.exe 4 20->29         started        93 Submitted sample is a known malware sample 24->93 95 Obfuscated command line found 24->95 97 Uses ping.exe to sleep 24->97 99 Uses ping.exe to check the status of other devices and networks 24->99 32 conhost.exe 24->32         started        34 timeout.exe 1 24->34         started        signatures9 process10 dnsIp11 75 192.168.2.1 unknown unknown 26->75 36 cmd.exe 1 26->36         started        38 makecab.exe 1 26->38         started        69 C:\Users\user\AppData\...\SmartClock.exe, PE32 29->69 dropped 40 SmartClock.exe 29->40         started        file12 process13 process14 42 cmd.exe 3 36->42         started        45 conhost.exe 36->45         started        47 conhost.exe 38->47         started        signatures15 101 Obfuscated command line found 42->101 103 Uses ping.exe to sleep 42->103 49 PING.EXE 42->49         started        52 Sembra.exe.com 42->52         started        54 findstr.exe 1 42->54         started        process16 dnsIp17 71 127.0.0.1 unknown unknown 49->71 56 Sembra.exe.com 52->56         started        process18 dnsIp19 73 YaTBJDYHlloIfemVcyBTZGHONEn.YaTBJDYHlloIfemVcyBTZGHONEn 56->73
Threat name:
Win32.Trojan.BotX
Status:
Malicious
First seen:
2021-04-13 08:01:07 UTC
AV detection:
19 of 47 (40.43%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
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
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Unpacked files
SH256 hash:
ba06735d10f6de2e6a95a6c68b78629c01af8544a4a3b2392f5b40a77fe0e32f
MD5 hash:
2e3b188f367400e5936e36c1bceb3cc9
SHA1 hash:
c222eaed268806c7387be0460579ea5d9cee3418
SH256 hash:
1b5e4b6d3d7e43bfc663ffc92778e7f107104e300d10b99c6f1dfc6171e835f6
MD5 hash:
a108fca4217b9e6ae3a44bd312eb6009
SHA1 hash:
531ffd701a279fe372788a75927f1b1f91d01daa
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 1b5e4b6d3d7e43bfc663ffc92778e7f107104e300d10b99c6f1dfc6171e835f6

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-14 09:32:37 UTC

================================================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
================================================================================
0) [B0012.001] Anti-Static Analysis::Argument Obfuscation
1) [C0003.002] Communication Micro-objective::Connect Pipe::Interprocess Communication
2) [C0003.003] Communication Micro-objective::Read Pipe::Interprocess Communication
3) [C0003.004] Communication Micro-objective::Write Pipe::Interprocess Communication
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) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
8) [C0040] Process Micro-objective::Allocate Thread Local Storage
9) [C0043] Process Micro-objective::Check Mutex
10) [C0042] Process Micro-objective::Create Mutex
11) [C0041] Process Micro-objective::Set Thread Local Storage Value
12) [C0018] Process Micro-objective::Terminate Process