MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8fa7158a6212803480850dec0236641a4a249216778d0cef9a1d82738566af98. 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 3 File information Comments

SHA256 hash: 8fa7158a6212803480850dec0236641a4a249216778d0cef9a1d82738566af98
SHA3-384 hash: 5b6228e681e9489b5bea5eb0415e6147dcad6694a3bb411e26cc3d0e52643afed91c370d6cd4325697dce8542aecc9cb
SHA1 hash: 08af05a701deb7cb5863567cf8a63bfce814c07d
MD5 hash: 4c88ff06e9f5d8aaf6b642eb809dd2ff
humanhash: kitten-pennsylvania-whiskey-ohio
File name:4c88ff06e9f5d8aaf6b642eb809dd2ff.exe
Download: download sample
Signature CryptBot
File size:4'462'592 bytes
First seen:2024-12-27 07:39:54 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:luk8dUe4UmUcvXT/aCnlXt2csbEqkpe6aYp2reuju193f:lR8dUem9vuCnfRvqweXr0Hf
TLSH T19726334ED7546BF3C28FCB3DBAD1A0B956FCE0A935F8B244137859BC683A6416421ED0
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 :
393
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
284af7a36d9455e68802400e9aea770501468f873a42ea49c2485cbcae75fec1.exe
Verdict:
Malicious activity
Analysis date:
2024-12-26 15:23:23 UTC
Tags:
amadey botnet stealer loader themida stealc evasion arch-exec lumma autoit gcleaner golang remote chaosrat alfac2 websocket github cryptbot rat remcos telegram auto coinminer arch-doc pastebin credentialflusher asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
malware
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:
crypto packed packed packer_detected
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.
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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:
Threat name:
Win32.Trojan.CryptBot
Status:
Malicious
First seen:
2024-12-26 18:36:25 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
29 of 37 (78.38%)
Threat level:
  5/5
Result
Malware family:
cryptbot
Score:
  10/10
Tags:
family:cryptbot discovery evasion spyware stealer
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:
Malicious
Tags:
cryptbot suspicious_post_body Win.Packed.Zusy-10040003-0
YARA:
n/a
Unpacked files
SH256 hash:
cf2167696bcf0012d6614bd34cd21ce12f97c1610309e7bb2f2f9761247db516
MD5 hash:
61fb87fb76e8aa604719e2b5afc8bc7b
SHA1 hash:
6d2d6ac0f563487c5b66bc44875774b64e692bdd
Detections:
CryptBot
SH256 hash:
8fa7158a6212803480850dec0236641a4a249216778d0cef9a1d82738566af98
MD5 hash:
4c88ff06e9f5d8aaf6b642eb809dd2ff
SHA1 hash:
08af05a701deb7cb5863567cf8a63bfce814c07d
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
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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 8fa7158a6212803480850dec0236641a4a249216778d0cef9a1d82738566af98

(this sample)

  
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
CHECK_NXMissing Non-Executable Memory Protectioncritical

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