MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 879305570a2b3dbe710ddd09445db20a1159696a6c72a503135db8eaef5eecb7. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 879305570a2b3dbe710ddd09445db20a1159696a6c72a503135db8eaef5eecb7
SHA3-384 hash: 39719abef187ad494cd16c42e108b3fe2f5ef6bd73a865d1a7a93367aa3ce3157edc300317753f995075e4e70e6823c2
SHA1 hash: d6b8fe042ea0292caea12481ca271f85520b30b1
MD5 hash: f9edf9a00e75abdacf3c975c3035fdb4
humanhash: two-arkansas-whiskey-winner
File name:f9edf9a00e75abdacf3c975c3035fdb4
Download: download sample
Signature CryptBot
Create hunting rule
File size:280'064 bytes
First seen:2021-11-19 09:53:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f9127c363bcea23d1bd962e71624f505 (5 x RedLineStealer, 1 x Smoke Loader, 1 x ArkeiStealer)
ssdeep 3072:V7f4uUCFk68HXtNkCMj75G2i3WjOzceRo7ldpBvnI3Ri4h4GLNot7GlE:3Fk68H9NkLq3GEceSpBgg93t7G
TLSH T13154E0D03BF58436D4E75B387930DAA51ABB3E727A31814E37641A2EAE313D14AB4713
File icon (PE):PE icon
dhash icon fcfcb4d4d4d4d8c8 (18 x RedLineStealer, 10 x RaccoonStealer, 5 x Smoke Loader)
Reporter zbetcheckin
Tags:32 CryptBot exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f9edf9a00e75abdacf3c975c3035fdb4
Verdict:
Malicious activity
Analysis date:
2021-11-19 10:03:50 UTC
Tags:
stealer trojan loader
Link:
https://app.any.run/tasks/2fa9c274-26e9-4284-a39f-d485580617b2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Sending a custom TCP request
DNS request
Sending an HTTP POST request
Reading critical registry keys
Sending an HTTP GET request
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Launching the default Windows debugger (dwwin.exe)
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit packed
Link:
https://www.filescan.io/uploads/6197743e43e8f62b669a312d/reports/b33a7c57-9d3e-46dc-9ef0-dcd558d1d24c/overview
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/67deaa1d-a5e5-4a2c-b734-9b0643d67043
Result
Threat name:
Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/892577
Signature
Antivirus detection for dropped file
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 525050 Sample: 3fRXShJJje Startdate: 19/11/2021 Architecture: WINDOWS Score: 100 62 Found malware configuration 2->62 64 Antivirus detection for dropped file 2->64 66 Multi AV Scanner detection for dropped file 2->66 68 9 other signatures 2->68 8 3fRXShJJje.exe 46 2->8         started        process3 dnsIp4 54 morotx05.top 89.41.182.137, 49779, 80 TENNETRO Romania 8->54 56 sahmko16.top 185.251.90.81, 49787, 49789, 80 SPRINTHOSTRU Russian Federation 8->56 58 cipfcl52.top 92.38.129.30, 49764, 80 GCOREAT Austria 8->58 40 C:\Users\user\AppData\Local\Temp\File.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\...\chivey[1].exe, PE32 8->42 dropped 82 Detected unpacking (changes PE section rights) 8->82 84 Detected unpacking (overwrites its own PE header) 8->84 86 Self deletion via cmd delete 8->86 88 Tries to harvest and steal browser information (history, passwords, etc) 8->88 13 File.exe 25 8->13         started        17 cmd.exe 1 8->17         started        file5 signatures6 process7 file8 44 C:\Users\user\AppData\Local\...\nodosevp.exe, PE32 13->44 dropped 46 C:\Users\user\AppData\Local\...\kopeck.exe, MS-DOS 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 90 Antivirus detection for dropped file 13->90 92 Machine Learning detection for dropped file 13->92 19 nodosevp.exe 3 18 13->19         started        24 kopeck.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, 49808, 80 TUT-ASUS United States 19->52 36 C:\Users\user\AppData\Local\...\rtdqwted.vbs, ASCII 19->36 dropped 70 Antivirus detection for dropped file 19->70 72 Query firmware table information (likely to detect VMs) 19->72 74 May check the online IP address of the machine 19->74 80 3 other signatures 19->80 30 wscript.exe 12 19->30         started        38 C:\Users\user\AppData\...\DpEditor.exe, MS-DOS 24->38 dropped 76 Multi AV Scanner detection for dropped file 24->76 78 Machine Learning detection for dropped file 24->78 34 DpEditor.exe 24->34         started        file12 signatures13 process14 dnsIp15 60 iplogger.org 5.9.162.45, 443, 49810 HETZNER-ASDE Germany 30->60 94 System process connects to network (likely due to code injection or exploit) 30->94 96 May check the online IP address of the machine 30->96 signatures16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/879305570a2b3dbe710ddd09445db20a1159696a6c72a503135db8eaef5eecb7/
Threat name:
Win32.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2021-11-19 07:50:52 UTC
AV detection:
22 of 44 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q6jqkvykfm6344in3ueuixnsbiivs2lknrzkkaytlw4ov3265s3q._file
Verdict:
malicious
Result
Malware family:
cryptbot
Create hunting rule
Score:
  10/10
Tags:
family:cryptbot discovery evasion spyware stealer themida trojan
Link:
https://tria.ge/reports/211119-lw8kradae8/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
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:
cipfcl52.top
morotx05.top
Unpacked files
SH256 hash:
8c5a2780266d129d1c6de3581d39da959a3258ddd4d3462524e21abb1faa5916
MD5 hash:
a21fad2b3ecc2c88ab99f9c9b9ce467e
SHA1 hash:
e273d5889a4e316382415d07f1b039e4be6c6451
Link:
https://www.unpac.me/results/c91b3ada-6594-4605-8ef3-02bd9dc67c98/
SH256 hash:
879305570a2b3dbe710ddd09445db20a1159696a6c72a503135db8eaef5eecb7
MD5 hash:
f9edf9a00e75abdacf3c975c3035fdb4
SHA1 hash:
d6b8fe042ea0292caea12481ca271f85520b30b1
Link:
https://www.unpac.me/results/c91b3ada-6594-4605-8ef3-02bd9dc67c98/
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/879305570a2b3dbe710ddd09445db20a1159696a6c72a503135db8eaef5eecb7

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 879305570a2b3dbe710ddd09445db20a1159696a6c72a503135db8eaef5eecb7

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1800660/
Cape
Cape
https://www.capesandbox.com/analysis/207577/

Comments


Avatar
zbet commented on 2021-11-19 09:53:21 UTC

url : hxxp://sahpfi06.top/downfiles/file.exe