MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a506706effdd7a8dcb2eabf5eacd8a6d449ad42128b7678483121437a44beff9. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a506706effdd7a8dcb2eabf5eacd8a6d449ad42128b7678483121437a44beff9
SHA3-384 hash: ff902d0a89994f4ed678f971ab03c9b3ae53abb2bf490f70e3716b0e6860b40d8f071f093d463f8c3a6a9e989e182935
SHA1 hash: df1e6ec38b822b91c79f6ed379b6b8492c5adc66
MD5 hash: 2b46434f2f3ce9a6bb9a39073dc28a99
humanhash: item-lithium-grey-football
File name:file
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'483'584 bytes
First seen:2024-11-28 19:31:40 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:Rd0xXldPIR4Rs/bw880+fL+DW7aUSI9rwsd56CwVySGT4/WWbTLkv:Rml9Ihbw88dDKWhrkCGCKDg
TLSH T106263334BFA73852D914D37AB8A2512FA340EB3404597227E2FE7C879DA78920F46CD5
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 :
460
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
d6035491e75ba4735911fddc6fdae0c49bd7646bf8a8aa0edade867ffe569500
Verdict:
Malicious activity
Analysis date:
2024-11-28 19:38:57 UTC
Tags:
amadey botnet stealer stealc loader themida lumma gcleaner cryptbot antivm
Link:
https://app.any.run/tasks/ffc4ebec-9196-4ac4-bf3d-92388aac8c5a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.FileRepMalware.15767.27079.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6748c6e8e64d1c722d79cf7b
Tags:
phishing trojan virus 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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed packed packer_detected
Link:
https://www.filescan.io/uploads/6748c53bc92e14920bfbec7e/reports/073e95d4-afc7-498c-b4cb-33acd92600de/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a506706effdd7a8dcb2eabf5eacd8a6d449ad42128b7678483121437a44beff9
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e7884f5a-f23f-47a3-a346-f77ebf622802
Result
Threat name:
Clipboard Hijacker, Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1564847
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 dnsIp2 2 Behavior Graph ID: 1564847 Sample: file.exe Startdate: 28/11/2024 Architecture: WINDOWS Score: 100 41 twentykx20pt.top 2->41 53 Suricata IDS alerts for network traffic 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 7 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 home.twentykx20pt.top 34.118.84.150, 49709, 49711, 49776 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 8->43 45 httpbin.org 18.213.123.165, 443, 49707 AMAZON-AESUS United States 8->45 47 2 other IPs or domains 8->47 37 C:\Users\user\AppData\...\service123.exe, PE32 8->37 dropped 39 C:\Users\user\...\wMBwuQjcJkRbWSUHQqmr.dll, PE32 8->39 dropped 65 Attempt to bypass Chrome Application-Bound Encryption 8->65 67 Tries to detect sandboxes and other dynamic analysis tools (window names) 8->67 69 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->69 71 8 other signatures 8->71 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 Found evasive API chain (may stop execution after checking mutex) 19->61 63 Found stalling execution ending in API Sleep call 19->63 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 142.250.181.100, 443, 49798, 49799 GOOGLEUS United States 30->51
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a506706effdd7a8dcb2eabf5eacd8a6d449ad42128b7678483121437a44beff9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a506706effdd7a8dcb2eabf5eacd8a6d449ad42128b7678483121437a44beff9/
Threat name:
Win32.Trojan.Amadey
Create hunting rule
Status:
Malicious
First seen:
2024-11-28 19:32:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uudha3x73v5i3szovp26vtmknvcjvvbbfc3wpbedcikdpjcl574q._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery evasion
Link:
https://tria.ge/reports/241128-x8x6bsxpax/
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/d7ec4e9a-f6b4-493c-bbdc-e3e46a721277
Unpacked files
SH256 hash:
5781291d3915929f0fbe1c991b5d1fcd078559fcf6c30d032f0d1a20feb417d7
MD5 hash:
7c9f79a933cd00642010066355ec380a
SHA1 hash:
0191b6676624c0c83c992aa96cafbe6cac8175b3
Link:
https://www.unpac.me/results/d99c0d99-9a19-442c-9bb8-c0cb3fb8cc42/
SH256 hash:
a506706effdd7a8dcb2eabf5eacd8a6d449ad42128b7678483121437a44beff9
MD5 hash:
2b46434f2f3ce9a6bb9a39073dc28a99
SHA1 hash:
df1e6ec38b822b91c79f6ed379b6b8492c5adc66
Link:
https://www.unpac.me/results/d99c0d99-9a19-442c-9bb8-c0cb3fb8cc42/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a506706effdd/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 a506706effdd7a8dcb2eabf5eacd8a6d449ad42128b7678483121437a44beff9

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3308639/

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