MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8fa5bd420dc9825b97ff67dfce099b6c98a1fd81926de89ee11470407cc41d93. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 8fa5bd420dc9825b97ff67dfce099b6c98a1fd81926de89ee11470407cc41d93
SHA3-384 hash: 08484ae10ba1da0ccda372b9c490b91a9037a20a9512bff1d39469667dc70568a5735e34cec88686a61140a181700c61
SHA1 hash: 6d8858a95b1d560ca7b3eb473e5dc6fc5b85e488
MD5 hash: fcf4eb8bd77e85b3e0af0678858ca534
humanhash: six-timing-social-whiskey
File name:fcf4eb8bd77e85b3e0af0678858ca534.exe
Download: download sample
Signature CryptBot
File size:412'160 bytes
First seen:2021-12-03 16:27:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 465a0adde233daa48c5da49844a20d66 (1 x CryptBot, 1 x FickerStealer)
ssdeep 6144:/gBM+SOhTROgq4FhondeyGrPlWxrqhNXQk2SxJzOJQBT5N7g4KkF50o:IB1SgFZFF6ndJcWxrqhNXQkDxJzN7le
Threatray 7'902 similar samples on MalwareBazaar
TLSH T13294BF20BBA0D035F1F712F859B5A369A53F7EA16B3490CF22E156EA46746E0EC30357
File icon (PE):PE icon
dhash icon e8e8e8e8aa62a499 (21 x RaccoonStealer, 11 x ArkeiStealer, 4 x RedLineStealer)
Reporter abuse_ch
Tags:CryptBot exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fcf4eb8bd77e85b3e0af0678858ca534.exe
Verdict:
Malicious activity
Analysis date:
2021-12-03 16:32:34 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
Creating a file in the %temp% subdirectories
Creating a window
DNS request
Sending an HTTP POST request
Reading critical registry keys
Sending an HTTP GET request
Creating a file
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Creating a file in the Program Files subdirectories
Launching a process
Launching the default Windows debugger (dwwin.exe)
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
MeasuringTime
SystemUptime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed
Result
Verdict:
SUSPICIOUS
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
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 dropped file
Machine Learning detection for sample
May check the online IP address of the machine
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
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
System process connects to network (likely due to code injection or exploit)
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 533499 Sample: zgKqyRi9Fw.exe Startdate: 03/12/2021 Architecture: WINDOWS Score: 100 62 Found malware configuration 2->62 64 Antivirus detection for URL or domain 2->64 66 Antivirus detection for dropped file 2->66 68 11 other signatures 2->68 8 zgKqyRi9Fw.exe 46 2->8         started        process3 dnsIp4 54 danwyk16.top 37.0.10.226, 49808, 49809, 80 WKD-ASIE Netherlands 8->54 56 tisqls52.top 194.87.253.215, 49802, 80 ASBAXETNRU Russian Federation 8->56 58 mordyk05.top 45.89.228.43, 49804, 80 ASBAXETNRU Russian Federation 8->58 40 C:\Users\user\AppData\Local\Temp\File.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\...\kludge[1].exe, PE32 8->42 dropped 84 Detected unpacking (changes PE section rights) 8->84 86 Detected unpacking (overwrites its own PE header) 8->86 88 Self deletion via cmd delete 8->88 90 Tries to harvest and steal browser information (history, passwords, etc) 8->90 13 File.exe 25 8->13         started        17 cmd.exe 1 8->17         started        file5 signatures6 process7 file8 44 C:\Users\user\AppData\Local\...\quothavp.exe, PE32 13->44 dropped 46 C:\Users\user\AppData\Local\...\orchic.exe, PE32 13->46 dropped 48 C:\Users\user\AppData\Local\Temp\...\UAC.dll, PE32 13->48 dropped 50 3 other files (none is malicious) 13->50 dropped 92 Multi AV Scanner detection for dropped file 13->92 94 Machine Learning detection for dropped file 13->94 19 quothavp.exe 3 18 13->19         started        24 orchic.exe 7 13->24         started        26 conhost.exe 17->26         started        28 timeout.exe 1 17->28         started        signatures9 process10 dnsIp11 52 ip-api.com 208.95.112.1, 49813, 80 TUT-ASUS United States 19->52 36 C:\Users\user\AppData\...\acvdsobelo.vbs, ASCII 19->36 dropped 70 Antivirus detection for dropped file 19->70 72 Multi AV Scanner detection for dropped file 19->72 74 Query firmware table information (likely to detect VMs) 19->74 76 May check the online IP address of the machine 19->76 30 wscript.exe 12 19->30         started        38 C:\Users\user\AppData\...\DpEditor.exe, PE32 24->38 dropped 78 Machine Learning detection for dropped file 24->78 80 Hides threads from debuggers 24->80 82 Tries to detect sandboxes / dynamic malware analysis system (registry check) 24->82 34 DpEditor.exe 24->34         started        file12 signatures13 process14 dnsIp15 60 iplogger.org 5.9.162.45, 443, 49832 HETZNER-ASDE Germany 30->60 96 System process connects to network (likely due to code injection or exploit) 30->96 98 May check the online IP address of the machine 30->98 100 Query firmware table information (likely to detect VMs) 34->100 102 Hides threads from debuggers 34->102 104 Tries to detect sandboxes / dynamic malware analysis system (registry check) 34->104 signatures16
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2021-12-03 16:28:11 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Result
Malware family:
cryptbot
Score:
  10/10
Tags:
family:cryptbot discovery evasion spyware stealer themida trojan
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks BIOS information in registry
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Themida packer
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Identifies VirtualBox via ACPI registry values (likely anti-VM)
CryptBot
Malware Config
C2 Extraction:
tisqls52.top
mordyk05.top
Unpacked files
SH256 hash:
c3fee53f0e80cefe07c2b054a7f6859cdf48f13b80e7dc841115d192ff8a8817
MD5 hash:
18bacc85edd91bac8a0416bfc668fd15
SHA1 hash:
849693ceaed0dfab94cd527822e503ee72d3cac4
SH256 hash:
8fa5bd420dc9825b97ff67dfce099b6c98a1fd81926de89ee11470407cc41d93
MD5 hash:
fcf4eb8bd77e85b3e0af0678858ca534
SHA1 hash:
6d8858a95b1d560ca7b3eb473e5dc6fc5b85e488
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:MALWARE_Win_CryptBot
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 8fa5bd420dc9825b97ff67dfce099b6c98a1fd81926de89ee11470407cc41d93

(this sample)

  
Delivery method
Distributed via web download

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