MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb1003e21c2751b7f1bcc5575897d10c30278f1dda645bd93f954ade54fe973b. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb1003e21c2751b7f1bcc5575897d10c30278f1dda645bd93f954ade54fe973b
SHA3-384 hash: c6588909f30ba816dd2dee6e972b8f989be3cb7859a390e586e467f8c70983bdacf94d7504206ffe3ca6c084a9d3c9d4
SHA1 hash: 9363db56145f2ae95f91a9160b2e02f303137fb4
MD5 hash: ab987307e7e74c82d854374f6a3e5444
humanhash: nebraska-sodium-river-east
File name:ab987307e7e74c82d854374f6a3e5444.exe
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'471'808 bytes
First seen:2024-12-20 15:40:35 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:wzUsf8O3AzSP+VaKtwtXAzhSwNoAX8IqEskBG7:wzUxrVaKKOFSwDsDN
TLSH T1F026335CA8DBCDEBC7CFA27B928340548F1D972C3252316B6A575663AC90FED7382181
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 :
483
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
9d38889192a887e1128ec41dd417fb6d.exe
Verdict:
Malicious activity
Analysis date:
2024-12-20 15:25:22 UTC
Tags:
amadey botnet stealer loader lumma themida auto coinminer arch-exec github cryptbot telegram stealc credentialflusher gcleaner
Link:
https://app.any.run/tasks/36eeb2a8-ed2c-4231-b8a6-3867df9cde7c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=676590158a4d48ee35fd662d
Tags:
autorun spawn 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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/676590128134167603962fd8/reports/a487fd9e-112f-46bb-be59-134ba84ca82b/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/bb1003e21c2751b7f1bcc5575897d10c30278f1dda645bd93f954ade54fe973b
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:
Unknown
Link:
https://analyze.intezer.com/analyses/8ff064b5-1668-4860-ba8a-87bacccce9d4
Result
Threat name:
Clipboard Hijacker, Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1578989
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: 1578989 Sample: t3VyxF5MmA.exe Startdate: 20/12/2024 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 t3VyxF5MmA.exe 5 3 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 3 other processes 2->16 process3 dnsIp4 40 httpbin.org 98.85.100.80, 443, 49704 TWC-11351-NORTHEASTUS United States 7->40 42 fivetk5ht.top 185.121.15.192, 49705, 49706, 49712 REDSERVICIOES Spain 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\...\UKzjyWlrjRLOjKNNlNHI.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 142.250.181.132, 443, 49718, 49720 GOOGLEUS United States 29->48
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bb1003e21c2751b7f1bcc5575897d10c30278f1dda645bd93f954ade54fe973b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bb1003e21c2751b7f1bcc5575897d10c30278f1dda645bd93f954ade54fe973b/
Threat name:
Win32.Infostealer.Tinba
Create hunting rule
Status:
Malicious
First seen:
2024-12-20 15:41:07 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
12 of 23 (52.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xmiahyq4e5i3p4n4yvlvrf6rbqycpdy53jsfxwj7svfn4vh6s45q._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion
Link:
https://tria.ge/reports/241220-s4rqjazjhq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Program crash
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:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5b32e25a-cf08-4961-bb01-7ade9f0437ef
Unpacked files
SH256 hash:
1515a88a37be3fcfa5adf4b72bc4462940aa5b2d20584903f97ebf312a93f911
MD5 hash:
75afa866131250c8ff2f0fd3421f1dfa
SHA1 hash:
717072152592f5bcd58de84d880c6a05d3dd093d
Detections:
CryptBot
Create hunting rule
Link:
https://www.unpac.me/results/0dbe306c-af01-4214-b712-b8b0b74ca02b/
SH256 hash:
bb1003e21c2751b7f1bcc5575897d10c30278f1dda645bd93f954ade54fe973b
MD5 hash:
ab987307e7e74c82d854374f6a3e5444
SHA1 hash:
9363db56145f2ae95f91a9160b2e02f303137fb4
Link:
https://www.unpac.me/results/0dbe306c-af01-4214-b712-b8b0b74ca02b/
Malware family:
CryptBot.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bb1003e21c27/report/overview.html
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
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 bb1003e21c2751b7f1bcc5575897d10c30278f1dda645bd93f954ade54fe973b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3310377/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3331763/
  
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