MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77953741b91b2deef3dc7e168cf072cda89e92a60ca0ee82c37a4bbb4d4d0abf. 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:	77953741b91b2deef3dc7e168cf072cda89e92a60ca0ee82c37a4bbb4d4d0abf
SHA3-384 hash:	b06035904c6d7af1a052f4711c26acb218bea809cc71a3278da47fdc42a2d1fdc4371b8e0c519cc136c015c1f23d850a
SHA1 hash:	0c7a9c093c2e1c68c77582e5f7acab8fc10505f3
MD5 hash:	9a9a0a2d9375d6f207af97df95e0762f
humanhash:	william-mars-seven-yankee
File name:	9a9a0a2d9375d6f207af97df95e0762f.exe
Download:	download sample
Signature	CryptBot Create hunting rule
File size:	4'467'712 bytes
First seen:	2024-12-28 08:29:53 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep	98304:fFaMLDBg4+I5t3ZNXGRCoQSL9/g7wqwEdbnFUp:fPLDBgGFPXux/g7wnEd7FU
TLSH	T18A2633349C3B5C4EC224EE31E2968E4CFFF40F5932F9915A549112E1E1EB60E9D32B66
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 :

# of downloads :

373

Origin country :

Vendor Threat Intelligence

Malware family:

amadey

ID:

File name:

Sigmanly_4ef6a31cebbf51e7f0a29cf39edaa3513c363f289dafde0ba1ccf34be46edd71

Verdict:

Malicious activity

Analysis date:

2024-12-27 18:54:06 UTC

Tags:

lumma stealer themida loader stealc amadey botnet auto remote xworm gcleaner

Link:

https://app.any.run/tasks/1f1bb03d-c4eb-4252-8482-960e1eaef625

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.Win32.Evo-gen.12332.28405.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=676fb7281bb06b888478e1c5

Tags:

virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Searching for analyzing tools

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

Link:

https://www.filescan.io/uploads/676fb71ca561e5a2873b37d7/reports/7fc86135-a6d1-4810-93c7-cc5d1a37f696/overview

Verdict:

Malicious

Labled as:

Zusy.Generic

Link:

https://www.hybrid-analysis.com/sample/77953741b91b2deef3dc7e168cf072cda89e92a60ca0ee82c37a4bbb4d4d0abf

Result

Verdict:

MALICIOUS

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/b79e4b4c-23f5-401c-9a44-9597df20573c

Result

Threat name:

n/a

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1581608

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

Potentially malicious time measurement code found

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:

Link:

https://malprob.io/report/77953741b91b2deef3dc7e168cf072cda89e92a60ca0ee82c37a4bbb4d4d0abf

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/77953741b91b2deef3dc7e168cf072cda89e92a60ca0ee82c37a4bbb4d4d0abf/

Threat name:

Win32.Trojan.CryptBot

Status:

Malicious

First seen:

2024-12-27 20:59:31 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

29 of 38 (76.32%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=o6ktoqnzdmw65464pyliz4dszwuj5evgbsqo5awdpjf3wtknbk7q._file

Result

Malware family:

cryptbot

Score:

10/10

Tags:

family:cryptbot discovery evasion spyware stealer

Link:

https://tria.ge/reports/241228-kd7easxjaz/

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:

suspicious_post_body

YARA:

n/a

Link:

https://app.threat.zone/submission/87ee0afc-1a90-482d-9cc4-2000f380fcc6

Unpacked files

SH256 hash:

46e0bb8ca7ef8e7ae772d129140c5440a5b2d56261ecd82561acc71acefcc688

MD5 hash:

799b6ed1ecb744458463832d6fe52db8

SHA1 hash:

d9b24a2a12a07e2077bbe60d482ecb99ddcb43fd

Detections:

CryptBot

Link:

https://www.unpac.me/results/1b5382e0-8f24-4eba-b62f-77043e45388b/

SH256 hash:

77953741b91b2deef3dc7e168cf072cda89e92a60ca0ee82c37a4bbb4d4d0abf

MD5 hash:

9a9a0a2d9375d6f207af97df95e0762f

SHA1 hash:

0c7a9c093c2e1c68c77582e5f7acab8fc10505f3

Link:

https://www.unpac.me/results/1b5382e0-8f24-4eba-b62f-77043e45388b/

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/77953741b91b2deef3dc7e168cf072cda89e92a60ca0ee82c37a4bbb4d4d0abf

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

exe 77953741b91b2deef3dc7e168cf072cda89e92a60ca0ee82c37a4bbb4d4d0abf

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3346525/

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3331753/

URLhaus

https://urlhaus.abuse.ch/url/3310377/

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

Comments

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