MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c99d58fd025a25f09226d6201f7cd16d487e5d0dbe264394438049d3bb5f083c. 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: 12


Intelligence 12 IOCs 1 YARA 5 File information Comments

SHA256 hash: c99d58fd025a25f09226d6201f7cd16d487e5d0dbe264394438049d3bb5f083c
SHA3-384 hash: b468a23e777dbd9ea62fc1e9b76f72121e576e203320a9e96b37f3e586bec77cdc1564e3ab6ebd1ec025d125ff97d84c
SHA1 hash: 165d55ed7cfef2ed7eb1256180adeb2e6059ccbc
MD5 hash: 614e48baeccb3ddef286b165b8078798
humanhash: london-nitrogen-cold-michigan
File name:D3[1].file
Download: download sample
Signature CryptBot
File size:4'739'072 bytes
First seen:2022-10-28 10:24:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a37c2d8360ef93cc06763836c227809e (1 x CryptBot)
ssdeep 98304:fdBTnp5U/Fc72oPeA/YMqc9DUu2CjXLAx:zTnp5Ut+2ol9DUu2abA
Threatray 15'057 similar samples on MalwareBazaar
TLSH T1A4266B21CB76B16F08388468B36522731DDF7778331546337869CE6EE0B89D93C9626E
TrID 29.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
22.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
20.3% (.EXE) Win32 Executable (generic) (4505/5/1)
9.1% (.EXE) OS/2 Executable (generic) (2029/13)
9.0% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon b282a88e8eaab692 (26 x CryptBot, 2 x RedLineStealer)
Reporter JAMESWT_WT
Tags:CryptBot exe

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://kyrayb52.top/gate.php https://threatfox.abuse.ch/ioc/952431/

Intelligence


File Origin
# of uploads :
1
# of downloads :
319
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-28 09:23:49 UTC
Tags:
installer loader evasion trojan ficker stealer vidar opendir

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

Behaviour
Searching for analyzing tools
Searching for the window
Creating a window
Creating a file in the %temp% directory
DNS request
Sending an HTTP POST request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Launching a process
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.
Result
Threat name:
CryptbotV2
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found C&C like URL pattern
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
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 or bat file
Snort IDS alert for network traffic
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Yara detected CryptbotV2
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 732972 Sample: D3[1].file.exe Startdate: 28/10/2022 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Multi AV Scanner detection for dropped file 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 6 other signatures 2->46 8 D3[1].file.exe 73 2->8         started        process3 dnsIp4 34 kyrayb52.top 34.116.167.147, 49693, 80 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 8->34 36 suqoyw07.top 35.224.116.83, 49694, 80 GOOGLEUS United States 8->36 38 192.168.2.1 unknown unknown 8->38 32 C:\Users\user\AppData\Roaming\...\athene.exe, PE32 8->32 dropped 56 Self deletion via cmd or bat file 8->56 13 cmd.exe 1 8->13         started        15 cmd.exe 1 8->15         started        file5 signatures6 process7 process8 17 athene.exe 7 13->17         started        21 conhost.exe 13->21         started        23 conhost.exe 15->23         started        25 timeout.exe 1 15->25         started        file9 30 C:\Users\user\AppData\...\DpEditor.exe, PE32 17->30 dropped 48 Multi AV Scanner detection for dropped file 17->48 50 Query firmware table information (likely to detect VMs) 17->50 52 Hides threads from debuggers 17->52 54 Tries to detect sandboxes / dynamic malware analysis system (registry check) 17->54 27 DpEditor.exe 17->27         started        signatures10 process11 signatures12 58 Query firmware table information (likely to detect VMs) 27->58 60 Hides threads from debuggers 27->60 62 Tries to detect sandboxes / dynamic malware analysis system (registry check) 27->62
Threat name:
Win32.Backdoor.Androm
Status:
Malicious
First seen:
2022-10-28 11:30:17 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 26 (73.08%)
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
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
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
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Themida packer
Executes dropped EXE
Identifies VirtualBox via ACPI registry values (likely anti-VM)
CryptBot
Malware Config
C2 Extraction:
http://kyrayb52.top/gate.php
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
53c759cd9fc71acae9cc0103184487bb6d16942587cb149ae5f17efe6fd35a71
MD5 hash:
d9e7df489a6fcba00a3de81b5a2f16c0
SHA1 hash:
0c29abd599a99e273a71d65c91291d31181839ee
SH256 hash:
c99d58fd025a25f09226d6201f7cd16d487e5d0dbe264394438049d3bb5f083c
MD5 hash:
614e48baeccb3ddef286b165b8078798
SHA1 hash:
165d55ed7cfef2ed7eb1256180adeb2e6059ccbc
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_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. 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_References_SecTools
Author:ditekSHen
Description:Detects executables referencing many IR and analysis tools
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Author:Willi Ballenthin

File information


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

Comments