MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3b0734a5bf6ec2a77a02657e770842456f510980314765bef61ed367f4afc4d. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f3b0734a5bf6ec2a77a02657e770842456f510980314765bef61ed367f4afc4d
SHA3-384 hash: 1d0a66841d8605aafb0257e2585d5ad00cb1af686bb5b1e82997dd454d437d11f1980a752219530ff4aab8075a360ac3
SHA1 hash: 96b697c75295f2d5049c2d399d740c478c40c459
MD5 hash: 24733346a5bbfd60cd2afd7915b0ac44
humanhash: bakerloo-monkey-bakerloo-speaker
File name:file
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'445'184 bytes
First seen:2024-11-29 12:11:08 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 98304:6vmoWKZuTjkmL9le8yRrbqdNxQA4vWLRTWqutkEyVyjVHTAJP1zB:6uoWKZuTjkmL9lKqPX4NqutkUVHTAJPx
TLSH T15B2633BB241A7D7FD99697F0041B3BC6F6A70B2E436A5CFFE92421B14C71B821904B46
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 Bitsight
Tags:CryptBot exe


Avatar
Bitsight
url: http://31.41.244.11/files/unique1/random.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
431
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2024-11-29 12:10:02 UTC
Tags:
amadey botnet stealer loader themida gcleaner antivm cryptbot stealc lumma crypto-regex
Link:
https://app.any.run/tasks/5fccfd7d-a8bd-4152-a15c-f88f9e2d360d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.4401.15224.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6749b143e64d1c722d7a1fde
Tags:
vmdetect phishing
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/6749af97b0c1f225b44a5bc8/reports/f6d49900-88bb-475e-a12f-57fb26fd39f0/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/f3b0734a5bf6ec2a77a02657e770842456f510980314765bef61ed367f4afc4d
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/a2f84c99-75c0-46ea-8fe7-8f0fc3632768
Result
Threat name:
Clipboard Hijacker, Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1565229
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1565229 Sample: file.exe Startdate: 29/11/2024 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 file.exe 3 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 2 other processes 2->16 process3 dnsIp4 40 home.twentykx20pt.top 34.118.84.150, 49731, 49732, 49739 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 7->40 42 httpbin.org 18.213.123.165, 443, 49730 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\...\wMBwuQjcJkRbWSUHQqmr.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 21 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 142.250.181.68, 443, 49747 GOOGLEUS United States 29->48
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f3b0734a5bf6ec2a77a02657e770842456f510980314765bef61ed367f4afc4d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f3b0734a5bf6ec2a77a02657e770842456f510980314765bef61ed367f4afc4d/
Threat name:
Win32.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2024-11-29 12:12:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6oyhgss363wcu55aezl6o4eeerlpkeeyamkhmw7pmhwtm72k7rgq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion
Link:
https://tria.ge/reports/241129-pc6htszjbk/
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)
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/aef86aff-ad55-4ba3-82f2-e4f2f1e8976a
Unpacked files
SH256 hash:
63128134ec39de14ecaeb48c809144404365a0592e9cbdf413425df8164f0f1e
MD5 hash:
02d9b19ad0aba8cd10a516b7f0fb20a6
SHA1 hash:
b4f44c49c91ffbf4b63bdd5f69a318c9cb8adab9
Link:
https://www.unpac.me/results/77da8105-1b76-4e38-a206-2e4bc0d43170/
SH256 hash:
f3b0734a5bf6ec2a77a02657e770842456f510980314765bef61ed367f4afc4d
MD5 hash:
24733346a5bbfd60cd2afd7915b0ac44
SHA1 hash:
96b697c75295f2d5049c2d399d740c478c40c459
Link:
https://www.unpac.me/results/77da8105-1b76-4e38-a206-2e4bc0d43170/
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/f3b0734a5bf6ec2a77a02657e770842456f510980314765bef61ed367f4afc4d

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
Create hunting rule
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

CryptBot

Executable exe f3b0734a5bf6ec2a77a02657e770842456f510980314765bef61ed367f4afc4d

(this sample)

  
Dropped by
Amadey
  
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