MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7619900af0011cd2b40be259c52acf7e7415532d002a09267bcfb823ea1f38c4. 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: 7619900af0011cd2b40be259c52acf7e7415532d002a09267bcfb823ea1f38c4
SHA3-384 hash: 33588adce534b886f12fab682dfbed340ca4ade907ad4004dd5dde794d7f1c73e7db1c28d53631d6f4fbb6fdc52f1339
SHA1 hash: d9f04b9c1d610402c10c27772169d9e911d9adf5
MD5 hash: 3287ce2d6be3f77c5d1e7cc351f4ad5f
humanhash: skylark-harry-bravo-chicken
File name:3287ce2d6be3f77c5d1e7cc351f4ad5f.exe
Download: download sample
Signature CryptBot
File size:4'466'688 bytes
First seen:2024-12-18 19:56:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 98304:mUq/Rjfin/BjlBFxg28sXGOID18Radfg85LhEPse:mUyjeBjDFxg28UGO+9guhas
TLSH T151263317A8A9E173F00E4DBC4DCA426D3F289EC8D0F71A14A5A9127CA372755F670B39
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.5% (.EXE) Win32 Executable (generic) (4504/4/1)
8.4% (.ICL) Windows Icons Library (generic) (2059/9)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:CryptBot exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
438
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
random.exe.6
Verdict:
Malicious activity
Analysis date:
2024-12-18 11:09:18 UTC
Tags:
amadey botnet stealer loader stealc rhadamanthys auto coinminer arch-exec themida cryptbot

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
autorun spawn shell sage
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Sending an HTTP POST request
Sending an HTTP GET request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypto packed packed packer_detected
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
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Attempt to bypass Chrome Application-Bound Encryption
Drops large PE files
Hides threads from debuggers
Leaks process information
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sigma detected: Suspicious Scheduled Task Creation Involving Temp Folder
Suricata IDS alerts for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Cryptbot
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1577886 Sample: EnoSY3z6MP.exe Startdate: 18/12/2024 Architecture: WINDOWS Score: 100 46 Suricata IDS alerts for network traffic 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 6 other signatures 2->52 7 EnoSY3z6MP.exe 5 3 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 5 other processes 2->16 process3 dnsIp4 40 twentytk20pn.top 185.185.71.170, 49716, 49725, 49778 SPRINTHOSTRU Russian Federation 7->40 42 httpbin.org 34.226.108.155, 443, 49710 AMAZON-AESUS United States 7->42 44 2 other IPs or domains 7->44 34 C:\Users\user\AppData\...\service123.exe, PE32 7->34 dropped 36 C:\Users\user\...\ehoYPkfWhVokJMBQaExv.dll, PE32 7->36 dropped 54 Attempt to bypass Chrome Application-Bound Encryption 7->54 56 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->56 58 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->58 60 8 other signatures 7->60 18 WerFault.exe 19 16 7->18         started        21 chrome.exe 7->21         started        24 schtasks.exe 1 7->24         started        26 service123.exe 7->26         started        file5 signatures6 process7 dnsIp8 32 C:\ProgramData\Microsoft\...\Report.wer, Unicode 18->32 dropped 38 239.255.255.250 unknown Reserved 21->38 28 chrome.exe 21->28         started        30 conhost.exe 24->30         started        file9 process10
Threat name:
Win32.Infostealer.Tinba
Status:
Malicious
First seen:
2024-12-18 10:42:54 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Result
Malware family:
cryptbot
Score:
  10/10
Tags:
family:cryptbot discovery evasion spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Identifies Wine through registry keys
Enumerates VirtualBox registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
CryptBot
Cryptbot family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
dc07348d287cfdf6c47cabac45a0921f37604ec0c797bc37403c93adf6256055
MD5 hash:
24e0a6afb87299108f7ffa07d28cabe3
SHA1 hash:
6755b929487ad98314d83d0bf9a54faa30abe52c
Detections:
CryptBot
SH256 hash:
7619900af0011cd2b40be259c52acf7e7415532d002a09267bcfb823ea1f38c4
MD5 hash:
3287ce2d6be3f77c5d1e7cc351f4ad5f
SHA1 hash:
d9f04b9c1d610402c10c27772169d9e911d9adf5
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:pe_detect_tls_callbacks
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Web download

CryptBot

Executable exe 7619900af0011cd2b40be259c52acf7e7415532d002a09267bcfb823ea1f38c4

(this sample)

  
Delivery method
Distributed via web download

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
CHECK_NXMissing Non-Executable Memory Protectioncritical

Comments