MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c34a85e738b7c8fa703aaa447cd24d17ff08baae5d4b44b7c2131c5df164b9a3. 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 9 File information Comments

SHA256 hash: c34a85e738b7c8fa703aaa447cd24d17ff08baae5d4b44b7c2131c5df164b9a3
SHA3-384 hash: 80296323a9a46cce033f0fc84f05eb18a6d6ba131627a08ffcaac28b20741ade400dfa0a3b0e51acce1b7ffdf35d6e99
SHA1 hash: d4c8065fde28d334256d159295b5a4da92be2366
MD5 hash: 10dec0664c0fb1f8de98ebf0879b16ce
humanhash: green-friend-apart-carbon
File name:10dec0664c0fb1f8de98ebf0879b16ce.exe
Download: download sample
Signature CryptBot
File size:646'144 bytes
First seen:2021-01-11 07:19:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f1f6d93d68be901a0f8e8f9c68c8e208 (2 x Smoke Loader, 1 x CryptBot, 1 x DanaBot)
ssdeep 12288:RVXpC/dUgSUNIJxCR+i3jHgUcWPYJ902+jSXAnMIrkN7SW0n2pSChcR:RtpCFbSUNyxCR+ibX9YrD+2XYYY2d
Threatray 25 similar samples on MalwareBazaar
TLSH 01D422821D04C953EFBCBC707125A6E3B63CB5C2B7C16E2F7C2EE69306B4295D295206
Reporter abuse_ch
Tags:CryptBot exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
10dec0664c0fb1f8de98ebf0879b16ce.exe
Verdict:
Malicious activity
Analysis date:
2021-01-11 07:21:10 UTC
Tags:
stealer trojan loader

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
Reading critical registry keys
Delayed reading of the file
Deleting a recently created file
Creating a window
Sending a UDP request
DNS request
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
Searching for analyzing tools
Searching for the window
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
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.
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
Detected unpacking (changes PE section rights)
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
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
PE file contains section with special chars
Potentially malicious time measurement code found
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 detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Cryptbot
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 337861 Sample: 2aqzm7s4Un.exe Startdate: 11/01/2021 Architecture: WINDOWS Score: 100 66 Malicious sample detected (through community Yara rule) 2->66 68 Antivirus detection for URL or domain 2->68 70 Antivirus detection for dropped file 2->70 72 10 other signatures 2->72 8 2aqzm7s4Un.exe 48 2->8         started        13 SmartClock.exe 2->13         started        15 SmartClock.exe 2->15         started        process3 dnsIp4 58 mortttty09.top 45.153.229.163, 49738, 49742, 80 VOLIA-ASUA Russian Federation 8->58 60 dowhhau02.top 89.235.184.197, 49745, 80 MCN-ASRU Russian Federation 8->60 62 kypersaw52.top 8->62 52 C:\Users\user\AppData\Local\Temp\File36.exe, PE32 8->52 dropped 54 C:\Users\user\AppData\Local\...\lv[1].exe, PE32 8->54 dropped 86 Tries to harvest and steal browser information (history, passwords, etc) 8->86 17 File36.exe 20 8->17         started        21 cmd.exe 1 8->21         started        88 Hides threads from debuggers 13->88 90 Tries to detect sandboxes / dynamic malware analysis system (registry check) 13->90 file5 signatures6 process7 file8 42 C:\Users\user\AppData\Local\...\vpn_ico.exe, PE32 17->42 dropped 44 C:\Users\user\AppData\Local\...\6_ico.exe, PE32 17->44 dropped 46 C:\Users\user\AppData\Local\...\4_ico.exe, PE32 17->46 dropped 48 C:\Users\user\AppData\Local\Temp\...\UAC.dll, PE32 17->48 dropped 74 Machine Learning detection for dropped file 17->74 23 4_ico.exe 4 17->23         started        27 vpn_ico.exe 3 19 17->27         started        30 6_ico.exe 3 17->30         started        32 conhost.exe 21->32         started        34 timeout.exe 1 21->34         started        signatures9 process10 dnsIp11 50 C:\Users\user\AppData\...\SmartClock.exe, PE32 23->50 dropped 82 Hides threads from debuggers 23->82 84 Tries to detect sandboxes / dynamic malware analysis system (registry check) 23->84 36 SmartClock.exe 23->36         started        64 ip-api.com 208.95.112.1, 49756, 80 TUT-ASUS United States 27->64 39 wscript.exe 27->39         started        file12 signatures13 process14 dnsIp15 76 Hides threads from debuggers 36->76 78 Tries to detect sandboxes / dynamic malware analysis system (registry check) 36->78 56 iplogger.org 88.99.66.31, 443, 49760 HETZNER-ASDE Germany 39->56 80 System process connects to network (likely due to code injection or exploit) 39->80 signatures16
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2021-01-11 07:20:07 UTC
AV detection:
15 of 46 (32.61%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion spyware upx
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Drops desktop.ini file(s)
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks BIOS information in registry
Deletes itself
Drops startup file
Identifies Wine through registry keys
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Executes dropped EXE
UPX packed file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Unpacked files
SH256 hash:
c34a85e738b7c8fa703aaa447cd24d17ff08baae5d4b44b7c2131c5df164b9a3
MD5 hash:
10dec0664c0fb1f8de98ebf0879b16ce
SHA1 hash:
d4c8065fde28d334256d159295b5a4da92be2366
SH256 hash:
87b62dcc7b2fd5cb1d288335662897d355d7129bd3706891679a891dc99f184e
MD5 hash:
45f2607000ee01bbed1bb55e92691c58
SHA1 hash:
ea8b7a67d5a62e729032b2c093547cf7241f20bb
SH256 hash:
8af96c70c4c6147d7fc222fca0f58d9b0736e0589ed718b6d23189ad65dd59e0
MD5 hash:
7e220cf1819f2e5f122a8318c490d17c
SHA1 hash:
a28702e0eb525b3946f52eb2747540c2432b063d
Detections:
win_cryptbot_auto
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:OlympicDestroyer
Author:kevoreilly
Description:OlympicDestroyer Payload
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:suspicious_packer_section
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:win_cryptbot_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
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 c34a85e738b7c8fa703aaa447cd24d17ff08baae5d4b44b7c2131c5df164b9a3

(this sample)

  
Delivery method
Distributed via web download

Comments