MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4caa926d2422c584f16a4373daea24880fbd08a7baf3c9214421281965f89ec6. 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 2 File information Comments

SHA256 hash: 4caa926d2422c584f16a4373daea24880fbd08a7baf3c9214421281965f89ec6
SHA3-384 hash: 1e50bfe86384cf29af4df37bd7f91eda4bbe46eb4ab6e22c2315536086f289414c6bac5e952f33e1245099f9da241722
SHA1 hash: 3d8f67a861dd144b6dba216db88012ee62aed4a6
MD5 hash: 5e8fec7f2f2102b5dcd44c061f3197fc
humanhash: hot-earth-romeo-monkey
File name:file
Download: download sample
Signature CryptBot
File size:6'557'696 bytes
First seen:2024-10-16 20:06:42 UTC
Last seen:2024-10-18 04:00:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 41db2083dac89343aef584a51a80b293 (40 x CryptBot)
ssdeep 49152:odrAjDR10enDYGCPX544IvBqkqoO65ia6sC9TNpWG2ifvEcsUVlWOeXH3HUkRNdl:ooMenDOPX5JIvP7O65wsCN
TLSH T12C668476EF9B22E6C1C38BB68059F17F6930E7009835C3B9DE91DF54D350E22EAA5814
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10522/11/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter Bitsight
Tags:CryptBot exe


Avatar
Bitsight
url: http://185.215.113.26/JavUmar1.exe

Intelligence


File Origin
# of uploads :
10
# of downloads :
424
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-16 20:08:21 UTC
Tags:
cryptbot stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Powershell Phishing Autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug crypto
Result
Verdict:
MALICIOUS
Result
Threat name:
Clipboard Hijacker, Cryptbot
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
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 many strings related to Crypto-Wallets (likely being stolen)
Found stalling execution ending in API Sleep call
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Scheduled Task Creation Involving Temp Folder
Suricata IDS alerts for network traffic
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1535368 Sample: file.exe Startdate: 16/10/2024 Architecture: WINDOWS Score: 100 30 sevtbb17sr.top 2->30 34 Suricata IDS alerts for network traffic 2->34 36 Found malware configuration 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 6 other signatures 2->40 8 file.exe 4 2->8         started        13 service123.exe 2->13         started        15 service123.exe 2->15         started        17 service123.exe 2->17         started        signatures3 process4 dnsIp5 32 sevtbb17sr.top 103.80.87.67, 49730, 49731, 49732 SOLTIAES Spain 8->32 26 C:\Users\user\AppData\...\service123.exe, PE32 8->26 dropped 28 C:\Users\user\...\PhleNurXazVWvdlQfadG.dll, PE32 8->28 dropped 46 Uses schtasks.exe or at.exe to add and modify task schedules 8->46 48 Tries to harvest and steal browser information (history, passwords, etc) 8->48 50 Drops large PE files 8->50 19 service123.exe 8->19         started        22 schtasks.exe 1 8->22         started        file6 signatures7 process8 signatures9 42 Found evasive API chain (may stop execution after checking mutex) 19->42 44 Found stalling execution ending in API Sleep call 19->44 24 conhost.exe 22->24         started        process10
Threat name:
Win32.Trojan.CryptBot
Status:
Malicious
First seen:
2024-10-16 20:07:13 UTC
File Type:
PE (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Result
Malware family:
cryptbot
Score:
  10/10
Tags:
family:cryptbot discovery spyware stealer
Behaviour
Checks processor information in registry
Scheduled Task/Job: Scheduled Task
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
CryptBot
Detects CryptBot payload
Unpacked files
SH256 hash:
4caa926d2422c584f16a4373daea24880fbd08a7baf3c9214421281965f89ec6
MD5 hash:
5e8fec7f2f2102b5dcd44c061f3197fc
SHA1 hash:
3d8f67a861dd144b6dba216db88012ee62aed4a6
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

File information


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

Web download

CryptBot

Executable exe 4caa926d2422c584f16a4373daea24880fbd08a7baf3c9214421281965f89ec6

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

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
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
WIN_CRYPT_APIUses Windows Crypt APIADVAPI32.dll::CryptAcquireContextA
ADVAPI32.dll::CryptGenRandom

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