MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81d19c557d31608a6be0d419928e30dca063c2a2bb909d03133c15d75f246e56. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81d19c557d31608a6be0d419928e30dca063c2a2bb909d03133c15d75f246e56
SHA3-384 hash: 425a3177a2c0b495febac80304bdcfdb66723b1209b83d1943fad0ec03a2058a5bc4473d4f0cd10462b5298ab43f579e
SHA1 hash: 10404abae6c82c38676da0478af22103aaaefd56
MD5 hash: ed79b16c404fd4bdc0f3de692cc154ad
humanhash: enemy-queen-black-pennsylvania
File name:ed79b16c404fd4bdc0f3de692cc154ad.exe
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'472'832 bytes
First seen:2024-12-27 07:39:26 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:dP1o+IPtkJMrlapSlM7hF+SLTXcBTWxyFl:dWcMrQS8F+gTUT
TLSH T19D263313DF1342A5E708023C5AAB6F897961E7D4294D4A303D3DB73A39B77AC0E84969
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 :
379
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
f7.bin
Verdict:
Malicious activity
Analysis date:
2024-12-26 18:54:57 UTC
Tags:
auto stealc stealer lumma themida loader amadey botnet generic pyinstaller cryptbot stormkitty coinminer evasion telegram exfiltration arch-exec pastebin arch-doc ims-api asyncrat rat antivm credentialflusher
Link:
https://app.any.run/tasks/f2b73889-a5cf-4a5c-bae5-63e91a869643

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.DownLoader47.61276.11569.20998.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=676e59e18a4d48ee35fff1ad
Tags:
vmdetect virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Connection attempt to an infection source
Creating a window
DNS request
Connection attempt
Sending an HTTP POST request
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/676e59daa561e5a2873adeb3/reports/198f2f44-ee86-48a9-bba8-e08a0ad863ef/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/81d19c557d31608a6be0d419928e30dca063c2a2bb909d03133c15d75f246e56
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/cbacee8a-cc65-404e-a2e6-258dfb30178a
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1581255
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Detected unpacking (changes PE section rights)
Hides threads from debuggers
Infostealer behavior detected
Leaks process information
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
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)
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/81d19c557d31608a6be0d419928e30dca063c2a2bb909d03133c15d75f246e56
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81d19c557d31608a6be0d419928e30dca063c2a2bb909d03133c15d75f246e56/
Threat name:
Win32.Trojan.CryptBot
Create hunting rule
Status:
Malicious
First seen:
2024-12-26 21:43:18 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhizyvl5gfqiu27a2qmzfdrq3sqghqvcxoij2aythqk5oxzenzla._file
Result
Malware family:
cryptbot
Create hunting rule
Score:
  10/10
Tags:
family:cryptbot discovery evasion spyware stealer
Link:
https://tria.ge/reports/241227-jhl4gstkal/
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/113ca8d0-ae80-43c9-a56f-c5e3143c1d15
Unpacked files
SH256 hash:
ef07059d48b4283913a2fafd1e8be7b7d514a7f559326322077bff7a4ab251fa
MD5 hash:
55f834adf7b80ab38b3e840b81e13876
SHA1 hash:
752b175618f89f1d264cca0d3648c3f233368e0a
Detections:
CryptBot
Create hunting rule
Link:
https://www.unpac.me/results/4da54e69-2ee8-4d40-8eda-d89ad6eef06b/
SH256 hash:
81d19c557d31608a6be0d419928e30dca063c2a2bb909d03133c15d75f246e56
MD5 hash:
ed79b16c404fd4bdc0f3de692cc154ad
SHA1 hash:
10404abae6c82c38676da0478af22103aaaefd56
Link:
https://www.unpac.me/results/4da54e69-2ee8-4d40-8eda-d89ad6eef06b/
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/81d19c557d31608a6be0d419928e30dca063c2a2bb909d03133c15d75f246e56

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)
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

CryptBot

Executable exe 81d19c557d31608a6be0d419928e30dca063c2a2bb909d03133c15d75f246e56

(this sample)

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

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