MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1673b575277e0d0a5b6a58c7c71b8c7e973f51dbeb9e682562a5ec447724d04. 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: c1673b575277e0d0a5b6a58c7c71b8c7e973f51dbeb9e682562a5ec447724d04
SHA3-384 hash: 90cc88cf4d373ff0cf1c364e3d3d1011a933568f2274c7eb9f38c5a4e1c26d9943f8a0a067b0bcc57aecd80e5b05d1d9
SHA1 hash: ec5da148a43839accda27c01e221b128777602fe
MD5 hash: d55a94d4acedebc4b42333312be08f6b
humanhash: three-fix-bakerloo-nevada
File name:file
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'388'352 bytes
First seen:2024-11-20 16:44:30 UTC
Last seen:2024-11-20 16:44:38 UTC
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:KcDNgmsfZF25zmE4LQG+z9rsczfav3A2lz+uxHUhZa47OOQ:xDNgmCZicQG+9sMA/lz+zzOOQ
TLSH T11B163352E5A1DA3DD4CEFF3E06E8465F5A6C90F64EAA477688E944298D03E4420F8DF0
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/random.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
446
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-20 15:55:08 UTC
Tags:
stealer stealc loader themida amadey botnet cryptbot
Link:
https://app.any.run/tasks/2746bbbf-aecd-4158-827d-b533957cc9a4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=673e12a420280512a0db1a2e
Tags:
phishing autorun
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
DNS request
Connection attempt
Sending an HTTP GET request
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/673e1214c959bc013889bb6f/reports/08aab0d3-7bd5-426f-8c01-b9523ef8499d/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/c1673b575277e0d0a5b6a58c7c71b8c7e973f51dbeb9e682562a5ec447724d04
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f8abc9c9-7510-41f4-aad6-efd39614e964
Result
Threat name:
Clipboard Hijacker, Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1559591
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Drops large PE files
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Found stalling execution ending in API Sleep call
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
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 (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 dnsIp2 2 Behavior Graph ID: 1559591 Sample: file.exe Startdate: 20/11/2024 Architecture: WINDOWS Score: 100 41 fvtekk5pn.top 2->41 53 Suricata IDS alerts for network traffic 2->53 55 Found malware configuration 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 59 8 other signatures 2->59 8 file.exe 5 3 2->8         started        13 service123.exe 2->13         started        15 service123.exe 2->15         started        17 service123.exe 2->17         started        signatures3 process4 dnsIp5 43 fvtekk5pn.top 34.116.198.130, 49707, 49787, 49798 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 8->43 45 127.0.0.1 unknown unknown 8->45 47 home.fvtekk5pn.top 8->47 37 C:\Users\user\...\unmYCIPOHmXNjqOesrEy.dll, PE32 8->37 dropped 39 C:\Users\user\AppData\...\service123.exe, PE32 8->39 dropped 67 Attempt to bypass Chrome Application-Bound Encryption 8->67 69 Tries to detect sandboxes and other dynamic analysis tools (window names) 8->69 71 Uses schtasks.exe or at.exe to add and modify task schedules 8->71 73 7 other signatures 8->73 19 service123.exe 8->19         started        22 WerFault.exe 22 16 8->22         started        25 chrome.exe 8->25         started        28 schtasks.exe 1 8->28         started        file6 signatures7 process8 dnsIp9 61 Multi AV Scanner detection for dropped file 19->61 63 Found evasive API chain (may stop execution after checking mutex) 19->63 65 Found stalling execution ending in API Sleep call 19->65 35 C:\ProgramData\Microsoft\...\Report.wer, Unicode 22->35 dropped 49 239.255.255.250 unknown Reserved 25->49 30 chrome.exe 25->30         started        33 conhost.exe 28->33         started        file10 signatures11 process12 dnsIp13 51 www.google.com 216.58.208.228, 443, 49814, 49815 GOOGLEUS United States 30->51
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c1673b575277e0d0a5b6a58c7c71b8c7e973f51dbeb9e682562a5ec447724d04
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1673b575277e0d0a5b6a58c7c71b8c7e973f51dbeb9e682562a5ec447724d04/
Threat name:
Win32.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2024-11-20 16:45:13 UTC
File Type:
PE (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yfttwv2so7qnbjnwuwghy4nyy7uxh5i5x246naswfjpmir3sjuca._file
Result
Malware family:
cryptbot
Create hunting rule
Score:
  10/10
Tags:
family:cryptbot credential_access discovery evasion spyware stealer
Link:
https://tria.ge/reports/241120-t9darszgjl/
Behaviour
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
Reads user/profile data of web browsers
Uses browser remote debugging
Identifies VirtualBox via ACPI registry values (likely anti-VM)
CryptBot
Cryptbot family
Detects CryptBot payload
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2c27575c-fcc8-4f05-bac8-31e6f8adfeae
Unpacked files
SH256 hash:
9041a0dad057972ae4d36e514ddc90bc5d122da8946a682c76230a62be6e85c9
MD5 hash:
892355ad4b64495fce63929d28635103
SHA1 hash:
0908ff9f775ef35e2a73cc3691e4bfccfd18fc86
Link:
https://www.unpac.me/results/3d249b84-8cc9-42f8-a73a-5e34f80c8601/
SH256 hash:
c1673b575277e0d0a5b6a58c7c71b8c7e973f51dbeb9e682562a5ec447724d04
MD5 hash:
d55a94d4acedebc4b42333312be08f6b
SHA1 hash:
ec5da148a43839accda27c01e221b128777602fe
Link:
https://www.unpac.me/results/3d249b84-8cc9-42f8-a73a-5e34f80c8601/
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 c1673b575277e0d0a5b6a58c7c71b8c7e973f51dbeb9e682562a5ec447724d04

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3253370/

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