MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52911f8f5c5f6be9a30bd49dda17f109c1eb90db57c58bc502cb31d0285c9d77. 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: 52911f8f5c5f6be9a30bd49dda17f109c1eb90db57c58bc502cb31d0285c9d77
SHA3-384 hash: 021ddf6dd525e0ee4e86ecc45bc013a414f9141243ed3aac8d23edbe6b0ff066604cfd66e9779598f7018dffc7c32e44
SHA1 hash: e50b216ffbf5520d72740bc28e8cfd626cfc301f
MD5 hash: c878e548b34090d3363394f1575de391
humanhash: spring-steak-rugby-queen
File name:file
Download: download sample
Signature CryptBot
Create hunting rule
File size:4'387'840 bytes
First seen:2024-11-22 11:00:05 UTC
Last seen:2024-11-22 11:04:40 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:YC6/gmzl3jvp24+3fly7GqbtNK0HMYwrHHz:Ycmzl3jI4+vE7GqxGYwrz
TLSH T1B2163312854DFB6AD768A4FCE2A9B798A5C90F40CD45D6FE010882FBE5971024FFC297
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 :
3
# of downloads :
514
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-11-22 11:04:23 UTC
Tags:
themida stealer cryptbot crypto-regex
Link:
https://app.any.run/tasks/e3af131b-a548-4b3c-a895-06e4c92accbd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.32328.28587.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674064e8b31374f098336d70
Tags:
phishing autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
DNS request
Creating a window
Query of malicious DNS domain
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypto packed packed packer_detected
Link:
https://www.filescan.io/uploads/6740646f778e9779cede1e5e/reports/0b9dfe42-9a4a-4dbe-bbc4-3ed82f96e4b0/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/52911f8f5c5f6be9a30bd49dda17f109c1eb90db57c58bc502cb31d0285c9d77
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4bceb0a6-c158-4a0f-acc1-4662451f117f
Result
Threat name:
Clipboard Hijacker, Cryptbot
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1560842
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
Detected unpacking (changes PE section rights)
Drops large PE files
Found malware configuration
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 signatures2 2 Behavior Graph ID: 1560842 Sample: file.exe Startdate: 22/11/2024 Architecture: WINDOWS Score: 100 50 Suricata IDS alerts for network traffic 2->50 52 Found malware configuration 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 8 other signatures 2->56 7 file.exe 5 2 2->7         started        12 service123.exe 2->12         started        14 service123.exe 2->14         started        16 service123.exe 2->16         started        process3 dnsIp4 40 fvtekk5pn.top 34.116.198.130, 49719, 49837, 49844 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 7->40 42 127.0.0.1 unknown unknown 7->42 44 home.fvtekk5pn.top 7->44 36 C:\Users\user\...\unmYCIPOHmXNjqOesrEy.dll, PE32 7->36 dropped 38 C:\Users\user\AppData\...\service123.exe, PE32 7->38 dropped 60 Detected unpacking (changes PE section rights) 7->60 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 8 other signatures 7->66 18 service123.exe 7->18         started        21 WerFault.exe 22 16 7->21         started        24 chrome.exe 7->24         started        27 schtasks.exe 1 7->27         started        file5 signatures6 process7 dnsIp8 58 Multi AV Scanner detection for dropped file 18->58 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 142.250.181.100, 443, 49859, 49862 GOOGLEUS United States 29->48
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/52911f8f5c5f6be9a30bd49dda17f109c1eb90db57c58bc502cb31d0285c9d77
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/52911f8f5c5f6be9a30bd49dda17f109c1eb90db57c58bc502cb31d0285c9d77/
Threat name:
Win32.Infostealer.Tinba
Create hunting rule
Status:
Malicious
First seen:
2024-11-22 11:01:06 UTC
File Type:
PE (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kkir7d24l5v6tiyl2so5uf7rbha6xeg3k7cyxriczmy5akc4tv3q._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/241122-m31ddsvphr/
Behaviour
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
Suspicious use of WriteProcessMemory
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/c33dfcf4-9995-4785-bf52-073fb46d4a9b
Unpacked files
SH256 hash:
c3fb5aecbe99ab03ff8405d682f4d096dba72303305d1336be77f36acc90b4f7
MD5 hash:
8f5da4df551aab2ce2677cc5c9997288
SHA1 hash:
d95bb55afd90f01b64a6c6ad37dcc48457dd7d6a
Link:
https://www.unpac.me/results/c6809bb9-190a-459e-88dc-18cfd6480ab5/
SH256 hash:
52911f8f5c5f6be9a30bd49dda17f109c1eb90db57c58bc502cb31d0285c9d77
MD5 hash:
c878e548b34090d3363394f1575de391
SHA1 hash:
e50b216ffbf5520d72740bc28e8cfd626cfc301f
Link:
https://www.unpac.me/results/c6809bb9-190a-459e-88dc-18cfd6480ab5/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/52911f8f5c5f/report/overview.html
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/52911f8f5c5f6be9a30bd49dda17f109c1eb90db57c58bc502cb31d0285c9d77

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 52911f8f5c5f6be9a30bd49dda17f109c1eb90db57c58bc502cb31d0285c9d77

(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