MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d66e41b9670d3890741fea8536846630e8a0a9aaac7a8858cdd6fec59e71be6. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8d66e41b9670d3890741fea8536846630e8a0a9aaac7a8858cdd6fec59e71be6
SHA3-384 hash: a8e11b55b6e47d83e67108f127d057d879be99f70b2a91dea3fe1ee17fa7db03f741c0228d041189d645c5d9f76af2d9
SHA1 hash: c424e5d1d5310588b154fd4f9e440a6f8972cbe4
MD5 hash: 73f68155f6230d9108727743c020e3b9
humanhash: oscar-autumn-glucose-monkey
File name:73f68155f6230d9108727743c020e3b9.exe
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'459'520 bytes
First seen:2024-12-23 16:15:19 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:nuHtPnOxYsJlCI5HgKd0coQz3AvDf3KYK3XkgNYx+XKpkWFEc:uHtPnOJJlTpgIxD3ejnWXk0G+6yW
TLSH T1182633CC252B45E2DF448AB54A70F7E288F98B252C1590529E44797BA8B4FDE03BDF43
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 :
413
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
73f68155f6230d9108727743c020e3b9.exe
Verdict:
Malicious activity
Analysis date:
2024-12-23 16:19:51 UTC
Tags:
cryptbot stealer themida antivm crypto-regex
Link:
https://app.any.run/tasks/591332d1-e816-44b4-9927-95995188306a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Variant.Zusy.568294.21827.27759.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67698cc975bf3268d2fdea6d
Tags:
autorun virus sage zusy
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
Link:
https://www.filescan.io/uploads/67698cc467658977cf7bd826/reports/ee40da57-e384-492a-a015-506c4b0043e9/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/8d66e41b9670d3890741fea8536846630e8a0a9aaac7a8858cdd6fec59e71be6
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/6cc03233-2234-41dc-a016-fd45d2b373ad
Result
Threat name:
Clipboard Hijacker, Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1579984
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: 1579984 Sample: iwxso6lW6L.exe Startdate: 23/12/2024 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 iwxso6lW6L.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, 49705, 49707, 49711 REDSERVICIOES Spain 7->40 42 httpbin.org 34.226.108.155, 443, 49704 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 2 other processes 7->27 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, 49721 GOOGLEUS United States 29->48
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8d66e41b9670d3890741fea8536846630e8a0a9aaac7a8858cdd6fec59e71be6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8d66e41b9670d3890741fea8536846630e8a0a9aaac7a8858cdd6fec59e71be6/
Threat name:
Win32.Infostealer.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2024-12-23 11:58:41 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rvtoig4wodjysb2b72ufg2cgmmhiucu2vld2rbmm3vx6ywphdpta._file
Result
Malware family:
cryptbot
Create hunting rule
Score:
  10/10
Tags:
family:cryptbot discovery evasion spyware stealer
Link:
https://tria.ge/reports/241223-tqslcavjdz/
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
Link:
https://app.threat.zone/submission/bb0b028d-82cb-4eb1-87b7-11b07b2dadfc
Unpacked files
SH256 hash:
28fd6cce67b47eb476f1f51f528cb363b6af16e86f071acc2cb971dbbdf68567
MD5 hash:
ab72fb95a4ab99c6f8965b4528f69af9
SHA1 hash:
bccaaaff42ed6cdd10c11220384cd30d5bac071f
Detections:
CryptBot
Create hunting rule
Link:
https://www.unpac.me/results/12e1e738-0d39-4949-b098-d756739ca884/
SH256 hash:
8d66e41b9670d3890741fea8536846630e8a0a9aaac7a8858cdd6fec59e71be6
MD5 hash:
73f68155f6230d9108727743c020e3b9
SHA1 hash:
c424e5d1d5310588b154fd4f9e440a6f8972cbe4
Link:
https://www.unpac.me/results/12e1e738-0d39-4949-b098-d756739ca884/
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/8d66e41b9670d3890741fea8536846630e8a0a9aaac7a8858cdd6fec59e71be6

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 8d66e41b9670d3890741fea8536846630e8a0a9aaac7a8858cdd6fec59e71be6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3331753/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3310377/
  
URLhaus
https://urlhaus.abuse.ch/url/3346525/

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