MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b34f8c961602120e9e73cae2cc5acd563bf8069760b18ce81e6eecdd22658601. 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: b34f8c961602120e9e73cae2cc5acd563bf8069760b18ce81e6eecdd22658601
SHA3-384 hash: d45edf8226b90560c6b2c3a6d3717e61a19e7e29272945a41f1a53c65788dd59860fb7cf50af4601c1191515552ff63f
SHA1 hash: 3c585820793d95d83246ae07d14c27573fac2995
MD5 hash: 327e4bd70e2906769929a778b0bcd154
humanhash: video-six-uniform-maine
File name:327e4bd70e2906769929a778b0bcd154.exe
Download: download sample
Signature CryptBot
File size:4'465'664 bytes
First seen:2024-12-24 07:35:36 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:ZelV7kkR2OFNwHI2gEn2k/2hwJvOox54Fale6q006hJNl:Z6uk1C2TaJzx54We690CV
TLSH T16626336D7E1743C8CF699D3041B7B258B3BCDDD01466AE2CABAEBA8C185D59270B44F0
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 :
396
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
327e4bd70e2906769929a778b0bcd154.exe
Verdict:
Malicious activity
Analysis date:
2024-12-24 07:58:15 UTC
Tags:
cryptbot stealer themida antivm crypto-regex

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
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
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:
Clipboard Hijacker, 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
Found evasive API chain (may stop execution after checking mutex)
Found stalling execution ending in API Sleep call
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 Clipboard Hijacker
Yara detected Cryptbot
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1580291 Sample: x6Rd1DzUJA.exe Startdate: 24/12/2024 Architecture: WINDOWS Score: 100 50 Suricata IDS alerts for network traffic 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 7 other signatures 2->56 7 x6Rd1DzUJA.exe 5 3 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 service123.exe 2->16         started        process3 dnsIp4 40 fivetk5sb.top 185.121.15.192, 49711, 49727, 49786 REDSERVICIOES Spain 7->40 42 httpbin.org 34.226.108.155, 443, 49705 AMAZON-AESUS United States 7->42 44 2 other IPs or domains 7->44 36 C:\Users\user\AppData\...\service123.exe, PE32 7->36 dropped 38 C:\Users\user\...\CaHNbeclRGcBxNSvHjFX.dll, PE32 7->38 dropped 62 Attempt to bypass Chrome Application-Bound Encryption 7->62 64 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->64 66 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->66 68 8 other signatures 7->68 18 service123.exe 7->18         started        21 WerFault.exe 19 16 7->21         started        24 chrome.exe 7->24         started        27 schtasks.exe 1 7->27         started        file5 signatures6 process7 dnsIp8 58 Found evasive API chain (may stop execution after checking mutex) 18->58 60 Found stalling execution ending in API Sleep call 18->60 34 C:\ProgramData\Microsoft\...\Report.wer, Unicode 21->34 dropped 46 239.255.255.250 unknown Reserved 24->46 29 chrome.exe 24->29         started        32 conhost.exe 27->32         started        file9 signatures10 process11 dnsIp12 48 www.google.com 172.217.21.36, 443, 49857 GOOGLEUS United States 29->48
Threat name:
Win32.Trojan.Amadey
Status:
Malicious
First seen:
2024-12-23 22:19:14 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
28 of 38 (73.68%)
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:
suspicious_post_body
YARA:
n/a
Unpacked files
SH256 hash:
135d7e1e67310288ba67e20a884b6d0c147a56946f0f1fc656367110bcf5d27d
MD5 hash:
5db7b8522d4ef4e0eef9681ecad61a52
SHA1 hash:
0dd4c36f6bbd2607a32c03b758488a71cad65f50
Detections:
CryptBot
SH256 hash:
b34f8c961602120e9e73cae2cc5acd563bf8069760b18ce81e6eecdd22658601
MD5 hash:
327e4bd70e2906769929a778b0bcd154
SHA1 hash:
3c585820793d95d83246ae07d14c27573fac2995
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 b34f8c961602120e9e73cae2cc5acd563bf8069760b18ce81e6eecdd22658601

(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