MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b1f016f12fef7124ea7c9898622e650e53814f2d5ff4d76fa712c3e591f9a7f. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b1f016f12fef7124ea7c9898622e650e53814f2d5ff4d76fa712c3e591f9a7f
SHA3-384 hash: 9ac350d11fbff9ce3bd4da8895fa658226cb18b5ac365fa87b28de84b348138e75d0f1f13efcfe6c645edd2ee7dde396
SHA1 hash: 660ec77fdddcb3596e600a3e1e904855e29994c1
MD5 hash: 02cdcc122a549d0a84e2a1342a57afa4
humanhash: georgia-robin-colorado-edward
File name:file
Download: download sample
Signature CryptBot
Create hunting rule
File size:6'637'056 bytes
First seen:2024-10-24 04:00:42 UTC
Last seen:2024-10-25 04:00:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 75e9a96c170d19e8c4564ec5026224f5 (26 x CryptBot)
ssdeep 49152:o6+X/AuxO26bhcYYofEQ4oVN3PMYrhw4IrzZo5dUZnMeRhYEIGrnKTNb9H72tB7R:o6WIxbooRhV9PFtwXXZOUZGEK/
TLSH T114664A55EE9781F9DA8305715016B73F6E70AF009D29CEB6CEC0FB34C572A52AA1E21C
TrID 34.2% (.EXE) InstallShield setup (43053/19/16)
24.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
13.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.3% (.EXE) Win64 Executable (generic) (10522/11/4)
5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika pebin
Reporter Bitsight
Tags:CryptBot exe


Avatar
Bitsight
url: http://185.215.113.26/JavUmar1.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
420
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-24 04:04:12 UTC
Tags:
stealer cryptbot
Link:
https://app.any.run/tasks/42a8433b-a53e-4390-a38c-c0d29a1a8c07

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6719c681536ff0d0e408de8c
Tags:
Powershell Phishing Autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Connection attempt
Sending an HTTP GET request
Creating a window
Reading critical registry keys
Creating a file in the %temp% directory
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm chacha crypto expand lolbin obfuscated remote rijndael whirlpool
Link:
https://www.filescan.io/uploads/6719c67f0f780125dba1a36f/reports/255c977c-b4b7-4cfb-ba1a-bef4f4bc06e4/overview
Verdict:
Malicious
Labled as:
Malware/Generic
Link:
https://www.hybrid-analysis.com/sample/2b1f016f12fef7124ea7c9898622e650e53814f2d5ff4d76fa712c3e591f9a7f
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b5df17f1-c128-4517-8504-fb245cdea96f
Result
Threat name:
Clipboard Hijacker, Cryptbot
Create hunting rule
Detection:
malicious
Classification:
spyw.evad.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1540767
Signature
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Drops large PE files
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Found stalling execution ending in API Sleep call
Sigma detected: Suspicious Scheduled Task Creation Involving Temp Folder
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Clipboard Hijacker
Yara detected Cryptbot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1540767 Sample: file.exe Startdate: 24/10/2024 Architecture: WINDOWS Score: 100 47 Suricata IDS alerts for network traffic 2->47 49 Found malware configuration 2->49 51 Yara detected Clipboard Hijacker 2->51 53 4 other signatures 2->53 7 file.exe 5 4 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 service123.exe 2->16         started        process3 dnsIp4 39 sevtji17vt.top 185.219.7.221, 49730, 49737, 49738 IT-KMEIT Russian Federation 7->39 41 home.sevtji17vt.top 7->41 43 127.0.0.1 unknown unknown 7->43 33 C:\Users\user\AppData\...\service123.exe, PE32 7->33 dropped 35 C:\Users\user\...\PLmaaFXKWctGOVCoAymU.dll, PE32 7->35 dropped 59 Uses schtasks.exe or at.exe to add and modify task schedules 7->59 61 Tries to harvest and steal browser information (history, passwords, etc) 7->61 63 Drops large PE files 7->63 18 service123.exe 7->18         started        21 chrome.exe 7->21         started        24 schtasks.exe 1 7->24         started        26 WerFault.exe 21 16 7->26         started        file5 signatures6 process7 dnsIp8 55 Found evasive API chain (may stop execution after checking mutex) 18->55 57 Found stalling execution ending in API Sleep call 18->57 37 239.255.255.250 unknown Reserved 21->37 28 chrome.exe 21->28         started        31 conhost.exe 24->31         started        signatures9 process10 dnsIp11 45 www.google.com 142.250.185.196, 443, 49744, 49748 GOOGLEUS United States 28->45
Score:
60%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/2b1f016f12fef7124ea7c9898622e650e53814f2d5ff4d76fa712c3e591f9a7f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b1f016f12fef7124ea7c9898622e650e53814f2d5ff4d76fa712c3e591f9a7f/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fmpqc3ys733retvhzgeymixgkdstqfhs2x7u25x2oewd4wi7tj7q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
credential_access discovery spyware stealer
Link:
https://tria.ge/reports/241024-ek8ytatbqf/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Uses browser remote debugging
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/925222a2-af54-4a9c-915f-d1f68042e1db
Unpacked files
SH256 hash:
2b1f016f12fef7124ea7c9898622e650e53814f2d5ff4d76fa712c3e591f9a7f
MD5 hash:
02cdcc122a549d0a84e2a1342a57afa4
SHA1 hash:
660ec77fdddcb3596e600a3e1e904855e29994c1
Link:
https://www.unpac.me/results/b842174f-56d4-4274-9680-8865d4c5442f/
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/2b1f016f12fef7124ea7c9898622e650e53814f2d5ff4d76fa712c3e591f9a7f

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:test_Malaysia
Create hunting rule
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:WHIRLPOOL_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information

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

Web download

CryptBot

Executable exe 2b1f016f12fef7124ea7c9898622e650e53814f2d5ff4d76fa712c3e591f9a7f

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3234276/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::CreateFiberEx
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::ReadConsoleA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleMode
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileMappingA
KERNEL32.dll::MoveFileExA
KERNEL32.dll::GetSystemDirectoryA
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::FindFirstFileW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptGenRandom
WIN_CRYPT_APIUses Windows Crypt APICRYPT32.dll::CertDuplicateCertificateContext
CRYPT32.dll::CertEnumCertificatesInStore
CRYPT32.dll::CertFindCertificateInStore
CRYPT32.dll::CertFreeCertificateContext
CRYPT32.dll::CertGetCertificateContextProperty
CRYPT32.dll::CertGetEnhancedKeyUsage
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegNotifyChangeKeyValue
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExA
WIN_SOCK_APIUses Network to send and receive dataWS2_32.dll::accept
WS2_32.dll::bind
WS2_32.dll::closesocket
WS2_32.dll::connect
WS2_32.dll::gethostbyaddr
WS2_32.dll::gethostbyname
WIN_USER_APIPerforms GUI ActionsUSER32.dll::FindWindowA

Comments