MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28620b494558edf4a59fcf787b68ff2cda2f66c8e77a14a5e7045216e074df30. 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: 8


Intelligence 8 IOCs 2 YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28620b494558edf4a59fcf787b68ff2cda2f66c8e77a14a5e7045216e074df30
SHA3-384 hash: a06facbaeb25cb7fe3a7b1824e9d118c44249ac13a17fec0ad39b857960ba50ccb1b3f225cf4df962c8526692135415f
SHA1 hash: 07a71e9e884c5d71be77d773c5fc41159b37eb28
MD5 hash: 14745ffebc8937d0895c4e90e1f3caac
humanhash: aspen-fourteen-lemon-tennis
File name:28620b494558edf4a59fcf787b68ff2cda2f66c8e77a1.exe
Download: download sample
Signature CryptBot
Create hunting rule
File size:771'584 bytes
First seen:2021-05-24 01:40:23 UTC
Last seen:2021-05-24 02:01:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 48d2401545bc23ddf9125d8d09f6c7f1 (4 x RaccoonStealer, 1 x Glupteba, 1 x CryptBot)
ssdeep 12288:qj4Ie30uLQzF52M4ZlD1yMPBuaD2fyVDmjbanjvtqDrcxKFy421eIcuVXsL:seYzuM4Z1JEjbS1f4f3uVXsL
Threatray 146 similar samples on MalwareBazaar
TLSH D9F4E03066A1C035E4BF21B489B6827C67397D61AB3480FF62D636EA12F46E49C7075F
Reporter abuse_ch
Tags:CryptBot exe


Avatar
abuse_ch
CryptBot C2:
http://soglvu72.top/index.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://soglvu72.top/index.php https://threatfox.abuse.ch/ioc/57587/
http://moreru07.top/index.php https://threatfox.abuse.ch/ioc/57588/

Intelligence

File Origin
# of uploads :
2
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
28620b494558edf4a59fcf787b68ff2cda2f66c8e77a1.exe
Verdict:
Malicious activity
Analysis date:
2021-05-24 01:42:29 UTC
Tags:
stealer trojan loader
Link:
https://app.any.run/tasks/d096ee7c-7f57-4660-b0df-32d6b9b18a1a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/161121/
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
Sending an HTTP POST request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Creating a file in the Program Files subdirectories
Launching a process
Launching cmd.exe command interpreter
Stealing user critical data
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 Glupteba
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/789906
Signature
C2 URLs / IPs found in malware configuration
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 malware configuration
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 dropped file
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
Yara detected Cryptbot
Yara detected Glupteba
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 422302 Sample: 28620b494558edf4a59fcf787b6... Startdate: 24/05/2021 Architecture: WINDOWS Score: 100 84 Found malware configuration 2->84 86 Malicious sample detected (through community Yara rule) 2->86 88 Multi AV Scanner detection for dropped file 2->88 90 11 other signatures 2->90 12 28620b494558edf4a59fcf787b68ff2cda2f66c8e77a1.exe 48 2->12         started        17 SmartClock.exe 2->17         started        19 SmartClock.exe 2->19         started        process3 dnsIp4 78 soglvu72.top 34.73.205.209, 49730, 80 GOOGLEUS United States 12->78 80 moreru07.top 35.229.92.135, 49733, 80 GOOGLEUS United States 12->80 82 doumbw10.top 35.230.23.35, 49736, 49737, 80 GOOGLEUS United States 12->82 70 C:\Users\user\AppData\Local\Temp\ScVEHk.exe, PE32 12->70 dropped 104 Detected unpacking (changes PE section rights) 12->104 106 Detected unpacking (overwrites its own PE header) 12->106 108 Tries to harvest and steal browser information (history, passwords, etc) 12->108 21 cmd.exe 1 12->21         started        24 cmd.exe 1 12->24         started        file5 signatures6 process7 signatures8 92 Submitted sample is a known malware sample 21->92 94 Obfuscated command line found 21->94 96 Uses ping.exe to sleep 21->96 98 Uses ping.exe to check the status of other devices and networks 21->98 26 ScVEHk.exe 25 21->26         started        29 conhost.exe 21->29         started        31 conhost.exe 24->31         started        33 timeout.exe 1 24->33         started        process9 file10 62 C:\Users\user\AppData\Local\Temp\...\vpn.exe, PE32 26->62 dropped 64 C:\Users\user\AppData\Local\Temp\...\4.exe, PE32 26->64 dropped 66 C:\Users\user\AppData\Local\Temp\...\UAC.dll, PE32 26->66 dropped 68 3 other files (none is malicious) 26->68 dropped 35 vpn.exe 7 26->35         started        38 4.exe 4 26->38         started        process11 dnsIp12 74 192.168.2.1 unknown unknown 35->74 41 cmd.exe 1 35->41         started        60 C:\Users\user\AppData\...\SmartClock.exe, PE32 38->60 dropped 43 SmartClock.exe 38->43         started        file13 process14 process15 45 cmd.exe 3 41->45         started        48 conhost.exe 41->48         started        signatures16 100 Obfuscated command line found 45->100 102 Uses ping.exe to sleep 45->102 50 PING.EXE 1 45->50         started        53 Finita.exe.com 45->53         started        55 findstr.exe 1 45->55         started        process17 dnsIp18 72 127.0.0.1 unknown unknown 50->72 57 Finita.exe.com 53->57         started        process19 dnsIp20 76 NYcZHXcaDtMcduAOJZ.NYcZHXcaDtMcduAOJZ 57->76
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28620b494558edf4a59fcf787b68ff2cda2f66c8e77a14a5e7045216e074df30/
Threat name:
Win32.Trojan.Bomitag
Create hunting rule
Status:
Malicious
First seen:
2021-05-24 01:06:00 UTC
AV detection:
13 of 29 (44.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fbrawskfldw7jjm7z54hw2h7ftnc6zwi455bjjpharjbnydu34ya._file
Verdict:
suspicious
Similar samples:
2051799f92fd036d6e1c8a9c06a4aea85a9509214cd0623c0df2fe62bd99986b
CryptBot
79a2018e882db101500e8f932582227c1b4ba49b8f85bb303b77a749d9647ad4
CryptBot
890cfa4c1baa1061d5f753c652262d07b81cf890b87cfcd15ad1c20eb1e6a28e
CryptBot
8c085bb6591e5d7b0846eda3d7758a1c882be7f5bfb35210c831dc52848c6fa9
CryptBot
8cec146d7a7b594cf7748b35c63ea1fed2c994ef2cdbb5731f1b15d9c9fa1ee3
CryptBot
a5c463db805e356cb6e73e5676b397eab265e061c6797e27b626b8b4aee892a3
CryptBot
e9da1da3a4fb2050b9b17f5dbb1dd5f334f22637fc8186052d152cc631839f9b
CryptBot
f7538c1641168a73906c017c7e840834aa498335c83f4c344b7375272f02ad15
CryptBot
fa83c0bb710987cdf1c5ed15400d938bc818d20c34af9e96e8cd99fc2ac3a172
CryptBot
fc2a8472021c1f37e7ba14fd51259d37d10bd030ecd33134ebf42d3279ab860a
CryptBot
+ 136 additional samples on MalwareBazaar
Result
Malware family:
cryptbot
Create hunting rule
Score:
  10/10
Tags:
family:cryptbot discovery spyware stealer
Link:
https://tria.ge/reports/210524-xlll5tlana/
Behaviour
Checks processor information in registry
Delays execution with timeout.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
Reads user/profile data of web browsers
CryptBot
CryptBot Payload
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Backdoor
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/28620b494558edf4a59fcf787b68ff2cda2f66c8e77a14a5e7045216e074df30

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.

Web download

CryptBot

Executable exe 28620b494558edf4a59fcf787b68ff2cda2f66c8e77a14a5e7045216e074df30

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1270750/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/161121/

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-24 01:59:52 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) [C0049] File System Micro-objective::Get File Attributes
4) [C0051] File System Micro-objective::Read File
5) [C0052] File System Micro-objective::Writes File
6) [C0033] Operating System Micro-objective::Console
7) [C0040] Process Micro-objective::Allocate Thread Local Storage
8) [C0043] Process Micro-objective::Check Mutex
9) [C0041] Process Micro-objective::Set Thread Local Storage Value
10) [C0018] Process Micro-objective::Terminate Process
11) [C0039] Process Micro-objective::Terminate Thread