MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc959fde662ca2876e219ef21cb9e5280054fd83c54b366dfba33a7a7ed88285. 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 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc959fde662ca2876e219ef21cb9e5280054fd83c54b366dfba33a7a7ed88285
SHA3-384 hash: 1997466cd4c28f5fcb43855938926247a90095c205d3c169a5b8891519c3b0542241392d282a0f447446116e10153695
SHA1 hash: 9ac4666663f290ff010c787f6c26b6c80254fd35
MD5 hash: 5b893b6b754f3f28e703ffedd654f6b7
humanhash: april-football-zulu-river
File name:file
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'466'688 bytes
First seen:2024-11-29 14:18:55 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 98304:6wcQCETaGwrjGvVRqogu/eS11/sRsIGkSLlNT3eqJ+NtRgUziTSx7:6pQ4SvX/efRsI3SLLTtANtJGT
TLSH T1B526331E8503E0FCD1A99B7357C9A3545B820DE2B311F11E50AAA1AF6191BCD8FA1CF7
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/martin/random.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
445
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 14:06:46 UTC
Tags:
amadey botnet stealer loader themida gcleaner purecrypter netreactor antivm lumma cryptbot stealc systembc proxy
Link:
https://app.any.run/tasks/e6850f90-ce40-4aac-9ba4-cb89605e9462

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Variant.Zusy.568294.9749.25431.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6749ce6904c232bff3b4bf2e
Tags:
malware
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/6749cd6e41308eea2da90805/reports/956329d8-011d-4352-93cc-81788001cbe5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/bc959fde662ca2876e219ef21cb9e5280054fd83c54b366dfba33a7a7ed88285
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fe4526d0-7b98-4925-9119-aaba0ec7f4fd
Result
Threat name:
Clipboard Hijacker, Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1565294
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: 1565294 Sample: file.exe Startdate: 29/11/2024 Architecture: WINDOWS Score: 100 52 Suricata IDS alerts for network traffic 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 7 other signatures 2->58 7 file.exe 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 home.fvtekx5pt.top 34.105.155.9, 49733, 49739, 49789 GOOGLEUS United States 7->40 42 httpbin.org 18.213.123.165, 443, 49722 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\...\rnCMinwLHbrEjcomyVjl.dll, PE32 7->38 dropped 64 Attempt to bypass Chrome Application-Bound Encryption 7->64 66 Tries to detect sandboxes and other dynamic analysis tools (window names) 7->66 68 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->68 70 8 other signatures 7->70 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 60 Found evasive API chain (may stop execution after checking mutex) 18->60 62 Found stalling execution ending in API Sleep call 18->62 34 C:\ProgramData\Microsoft\...\Report.wer, Unicode 21->34 dropped 46 192.168.2.8 unknown unknown 24->46 48 239.255.255.250 unknown Reserved 24->48 29 chrome.exe 24->29         started        32 conhost.exe 27->32         started        file9 signatures10 process11 dnsIp12 50 www.google.com 142.250.181.100, 443, 49811, 49815 GOOGLEUS United States 29->50
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bc959fde662ca2876e219ef21cb9e5280054fd83c54b366dfba33a7a7ed88285
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bc959fde662ca2876e219ef21cb9e5280054fd83c54b366dfba33a7a7ed88285/
Threat name:
Win32.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2024-11-29 14:19:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xskz7xtgfsrio3rbt3zbzopffaafj7mdyvftm3p3um5hu7wyqkcq._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion
Link:
https://tria.ge/reports/241129-rmtywszmgt/
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/0ab8563d-61cf-4488-b6d6-535a1865ef36
Unpacked files
SH256 hash:
7010146b6b92e9eb3076da336874c78d62783f2585d7e98f2cce8a3cd40ff2ef
MD5 hash:
4fcf49d11aa8e06781188a1599dc6c3c
SHA1 hash:
3f3250b3ee79db2282873099aa8974e6cda19e6c
Link:
https://www.unpac.me/results/c150249f-7cd4-4598-b891-6c3a093b887a/
SH256 hash:
bc959fde662ca2876e219ef21cb9e5280054fd83c54b366dfba33a7a7ed88285
MD5 hash:
5b893b6b754f3f28e703ffedd654f6b7
SHA1 hash:
9ac4666663f290ff010c787f6c26b6c80254fd35
Link:
https://www.unpac.me/results/c150249f-7cd4-4598-b891-6c3a093b887a/
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/bc959fde662ca2876e219ef21cb9e5280054fd83c54b366dfba33a7a7ed88285

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)

File information

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

Web download

CryptBot

Executable exe bc959fde662ca2876e219ef21cb9e5280054fd83c54b366dfba33a7a7ed88285

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3310377/

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