MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1b56f177a463229c447d60683f7420530042faefc2f50077d7dd137ee40ba5d. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1b56f177a463229c447d60683f7420530042faefc2f50077d7dd137ee40ba5d
SHA3-384 hash: 3f2d2487a020e9b6b04f1a7aeba999663b3213120378f9b76c1f32b968d455c3a8e84e2bbc6d4804311b99514291fa1a
SHA1 hash: 1af07d2d24adf92faf1bdf2357a098b3949fdbb3
MD5 hash: f3b72059e2de728e8e501e3ad626af45
humanhash: hawaii-hydrogen-delaware-pip
File name:f3b72059e2de728e8e501e3ad626af45
Download: download sample
Signature CryptBot
Create hunting rule
File size:387'584 bytes
First seen:2021-10-16 08:07:13 UTC
Last seen:2021-10-16 09:08:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 8d9ee1d37ce0771b137ef02c8f52b4c6 (2 x RedLineStealer, 1 x CryptBot, 1 x DanaBot)
ssdeep 6144:ohVc2rkTw3AQ0U+cUGh/ixN2r05y1FskG5btnMhoe9E:ohVcI0UXixN75cG5btn+d9
Threatray 52 similar samples on MalwareBazaar
TLSH T19F84AF00B7A0C035F1B752F84AB69378A93E7DE1A73894CF52D516EA4635AE1EC3035B
File icon (PE):PE icon
dhash icon e8e8e8e8aa62a499 (21 x RaccoonStealer, 11 x ArkeiStealer, 4 x RedLineStealer)
Reporter zbetcheckin
Tags:32 CryptBot exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f3b72059e2de728e8e501e3ad626af45
Verdict:
Malicious activity
Analysis date:
2021-10-16 08:10:28 UTC
Tags:
stealer trojan loader
Link:
https://app.any.run/tasks/8d000605-51f6-4134-8171-cfd7da969185

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/197850/
Detection(s):
SecuriteInfo.com.Ransom.Stop.Z5.8845.3031.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Launching the default Windows debugger (dwwin.exe)
Gathering 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.
Malware family:
CryptBot
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e57201b5-ad29-460d-9a50-51632384faa7
Result
Threat name:
Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/871466
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Query firmware table information (likely to detect VMs)
Self deletion via cmd delete
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Cryptbot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 503894 Sample: rydXXi7FJD Startdate: 16/10/2021 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Antivirus detection for URL or domain 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 7 other signatures 2->55 7 rydXXi7FJD.exe 46 2->7         started        12 IntelRapid.exe 2->12         started        14 IntelRapid.exe 2->14         started        process3 dnsIp4 35 bojitn09.top 185.251.91.120, 49697, 49698, 80 SPRINTHOSTRU Russian Federation 7->35 37 cemfyj62.top 93.189.42.230, 49694, 80 NTCOM-ASRU Russian Federation 7->37 39 morota06.top 5.230.71.39, 49695, 80 ASGHOSTNETDE Germany 7->39 31 C:\Users\user\AppData\Local\Temp\File.exe, PE32+ 7->31 dropped 33 C:\Users\user\AppData\Local\...\lv[1].exe, PE32+ 7->33 dropped 63 Detected unpacking (changes PE section rights) 7->63 65 Detected unpacking (overwrites its own PE header) 7->65 67 Self deletion via cmd delete 7->67 69 Tries to harvest and steal browser information (history, passwords, etc) 7->69 16 File.exe 4 7->16         started        20 cmd.exe 1 7->20         started        71 Query firmware table information (likely to detect VMs) 12->71 73 Hides threads from debuggers 12->73 75 Tries to detect sandboxes / dynamic malware analysis system (registry check) 12->75 file5 signatures6 process7 file8 29 C:\Users\user\AppData\...\IntelRapid.exe, PE32+ 16->29 dropped 41 Multi AV Scanner detection for dropped file 16->41 43 Query firmware table information (likely to detect VMs) 16->43 45 Hides threads from debuggers 16->45 47 Tries to detect sandboxes / dynamic malware analysis system (registry check) 16->47 22 IntelRapid.exe 16->22         started        25 conhost.exe 20->25         started        27 timeout.exe 1 20->27         started        signatures9 process10 signatures11 57 Query firmware table information (likely to detect VMs) 22->57 59 Hides threads from debuggers 22->59 61 Tries to detect sandboxes / dynamic malware analysis system (registry check) 22->61
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1b56f177a463229c447d60683f7420530042faefc2f50077d7dd137ee40ba5d/
Threat name:
Win32.Trojan.Chapak
Create hunting rule
Status:
Malicious
First seen:
2021-10-16 07:18:25 UTC
AV detection:
22 of 45 (48.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wg2w6f32iyzctrch2ydih52cauyail5o7qxvab35pxitp3saxjoq._file
Verdict:
malicious
Similar samples:
09185e4fe865342754563f1c4198c13fc8f0bc6854021bb3b75bbf48021e0a34
CryptBot
15032edd565210b7308a0de6e9cc1d81ba9786ca206b7e5af69b0a2015e1a939
CryptBot
337b9f5f13ee874ebe70fd5468725b638eb7b62c4f8c91a6e2a7deab8f5edbb6
CryptBot
4812efb0999ba68eaec97f7318e4d23bfbe3c46c11084dbf989a3623cb7285be
CryptBot
4f3ba9f2d7e8979ac9fe1be297c90314a2ee9065bfcf0073c2b1815c425b16db
CryptBot
70d01c6918c07b4cd0daa9b2c688fbd7e0e2e6f77831c9bd351be29a7991e1d3
CryptBot
b0884a21366325f9e9242b357e7f3d5acf63b7b38e02988e1c1f3454230b5877
CryptBot
b2c7ead7295f3befcb94f97f39ec05331321fb64a26616afd18c780076350e52
CryptBot
b70efdad415e7623f446dfdc9666d872f9717697cefef6953fba94c6a821d162
CryptBot
fc79c3c3b0d705e0648d493c8aac851f40fcf8dc2cacdc163f9cc237dc821255
CryptBot
+ 42 additional samples on MalwareBazaar
Result
Malware family:
cryptbot
Create hunting rule
Score:
  10/10
Tags:
family:cryptbot discovery evasion spyware stealer themida trojan
Link:
https://tria.ge/reports/211016-j1kclsbge6/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Checks BIOS information in registry
Deletes itself
Drops startup file
Reads user/profile data of web browsers
Themida packer
Downloads MZ/PE file
Executes dropped EXE
Identifies VirtualBox via ACPI registry values (likely anti-VM)
CryptBot
Malware Config
C2 Extraction:
cemfyj62.top
morota06.top
Unpacked files
SH256 hash:
ff3888f39a8f0df691e4286cb4c8cdc30b16225968afd68efddcbf043ec500ed
MD5 hash:
eda6c61bd7c510a75d0121e6f38b0665
SHA1 hash:
8fb5bcc53817aca0f51caa3fbd01da5c1507eab7
Link:
https://www.unpac.me/results/aeb09c67-4d4b-4b50-b010-bfb03cdbc1f4/
SH256 hash:
b1b56f177a463229c447d60683f7420530042faefc2f50077d7dd137ee40ba5d
MD5 hash:
f3b72059e2de728e8e501e3ad626af45
SHA1 hash:
1af07d2d24adf92faf1bdf2357a098b3949fdbb3
Link:
https://www.unpac.me/results/aeb09c67-4d4b-4b50-b010-bfb03cdbc1f4/
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/b1b56f177a463229c447d60683f7420530042faefc2f50077d7dd137ee40ba5d

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:MALWARE_Win_CryptBot
Create hunting rule
Author:ditekSHen
Description:CryptBot/Fugrafa stealer payload

File information

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

Web download

CryptBot

Executable exe b1b56f177a463229c447d60683f7420530042faefc2f50077d7dd137ee40ba5d

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1682641/
Cape
Cape
https://www.capesandbox.com/analysis/197850/

Comments


Avatar
zbet commented on 2021-10-16 08:07:15 UTC

url : hxxp://bojarf08.top/download.php?file=file.exe