MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a228971bef4b94f2319bda9171a810d555238208893c3609d3291e24591922fb. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a228971bef4b94f2319bda9171a810d555238208893c3609d3291e24591922fb
SHA3-384 hash: 4cde88d7a05e9cdd2a91c276c70a7f33d4745e1ce5da68906cf879a1e18ec887ddddb84e5ce3bf5763a48c53aea7a903
SHA1 hash: 5315cc45343f942cf8a7d9009eb9eed9a3cf25d9
MD5 hash: dc7fa5e9590a5655e2599a34ebe7418f
humanhash: shade-yellow-lamp-happy
File name:dc7fa5e9590a5655e2599a34ebe7418f.exe
Download: download sample
Signature CryptBot
Create hunting rule
File size:539'648 bytes
First seen:2021-08-20 15:02:48 UTC
Last seen:2021-08-20 16:12:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a84fa8c5c9d81b30cf439f0d2b7f422b (7 x RedLineStealer, 4 x RaccoonStealer, 2 x Smoke Loader)
ssdeep 12288:uz+ImOoPNL6oQCktuSglKcftk10P3st2YUf7hZL:uqDwzXglKCaA3uyf7n
TLSH T149B4120479B0C233F065A130499ACB94E77EFD712D1092862D8326AE5E732A1EF36F75
dhash icon 1072c092b0381902 (9 x RedLineStealer, 9 x RaccoonStealer, 4 x CryptBot)
Reporter abuse_ch
Tags:CryptBot exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dc7fa5e9590a5655e2599a34ebe7418f.exe
Verdict:
Malicious activity
Analysis date:
2021-08-20 15:05:27 UTC
Tags:
stealer trojan
Link:
https://app.any.run/tasks/4202be66-d7d1-4932-acff-94202a00d313

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/180979/
Detection(s):
SecuriteInfo.com.Variant.Fragtor.9685.23300.26215.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Reading critical registry keys
Delayed reading of the file
Deleting a recently created file
Launching the default Windows debugger (dwwin.exe)
Creating a window
Sending a UDP request
DNS request
Connection attempt
Sending an HTTP POST request
Sending an HTTP GET request
Creating a file
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the Program Files subdirectories
Creating a file in the %AppData% subdirectories
Launching cmd.exe command interpreter
Stealing user critical data
Enabling autorun by creating a file
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.
Malware family:
CryptBot
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ac3f8d40-921a-413f-af19-f15f881aeb25
Result
Threat name:
Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/836495
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Cryptbot
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a228971bef4b94f2319bda9171a810d555238208893c3609d3291e24591922fb/
Threat name:
Win32.Trojan.Fragtor
Create hunting rule
Status:
Malicious
First seen:
2021-08-20 15:03:07 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uiujog7pjokpemm33kixdkaq2vkshaqire6dmcotfepciwizel5q._file
Result
Malware family:
danabot
Create hunting rule
Score:
  10/10
Tags:
family:cryptbot family:danabot botnet:4 banker discovery persistence spyware stealer trojan
Link:
https://tria.ge/reports/210820-7yxm9cgcle/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies system certificate store
Runs ping.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Deletes itself
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
CryptBot
CryptBot Payload
Danabot
Danabot Loader Component
Suspicious use of NtCreateProcessExOtherParentProcess
Malware Config
C2 Extraction:
knuspj52.top
morjeo05.top
23.229.29.48:443
152.89.247.31:443
192.210.222.81:443
Unpacked files
SH256 hash:
3b93579e1dc18358b936ab559c2084b9ef1118738b1e461360d416027e14deac
MD5 hash:
7804e76ec57692633087baacf1cab25a
SHA1 hash:
b5590fd179afbee9fe8178600861162237562ed5
Detections:
win_cryptbot_auto
Create hunting rule
Link:
https://www.unpac.me/results/ae8006ac-de59-4e65-8237-3ed751290704/
Parent samples :
7d251b498744a4f44c42f4cec028cbc965772e45248fc25aa999b5c0a109e6f4
a228971bef4b94f2319bda9171a810d555238208893c3609d3291e24591922fb
0437b84beb437820567ae02427845d6214db65d389bff346a5dd83e28b5878a8
SH256 hash:
a228971bef4b94f2319bda9171a810d555238208893c3609d3291e24591922fb
MD5 hash:
dc7fa5e9590a5655e2599a34ebe7418f
SHA1 hash:
5315cc45343f942cf8a7d9009eb9eed9a3cf25d9
Link:
https://www.unpac.me/results/ae8006ac-de59-4e65-8237-3ed751290704/
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/a228971bef4b94f2319bda9171a810d555238208893c3609d3291e24591922fb

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:win_cryptbot_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.cryptbot.

File information

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

Web download

CryptBot

Executable exe a228971bef4b94f2319bda9171a810d555238208893c3609d3291e24591922fb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1547988/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/180979/

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