MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 957a5b78c870c0c648884b8ee30f5f437325c94212f4436566cccbc3b88aa987. 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 4 File information Comments

SHA256 hash:	957a5b78c870c0c648884b8ee30f5f437325c94212f4436566cccbc3b88aa987
SHA3-384 hash:	e1629fe101078a10664a03e78189ef9c18cc5cf6e61d0d2caa8ed9c6748809eae24d370ad9c469364e6cbd57aa4a53b3
SHA1 hash:	0688d7e4038f6103600011198edecb98df152221
MD5 hash:	04869f7ace61605035664af9589af21b
humanhash:	king-william-butter-sad
File name:	04869f7ace61605035664af9589af21b.exe
Download:	download sample
Signature	CryptBot Create hunting rule
File size:	4'460'032 bytes
First seen:	2024-12-20 15:11:39 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:uOsbw/GM4JTpF/dHkl1J000ReHSmC3J8qP/vbyN/I5i/H8CCW:1KGKJTpldHkl2mCbP/vbiN7C
TLSH	T12A2633017CA11124C96B06B211EF22D8CD4E2E66B15B04D9BF95ADB2FEC3F38135D99E
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 :

367

Origin country :

Vendor Threat Intelligence

Malware family:

amadey

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2024-12-19 21:09:56 UTC

Tags:

amadey botnet stealer loader lumma uac netsupport remote unwanted python screenshot telegram evasion blankgrabber tool auto coinminer rhadamanthys arch-exec github stealc cryptbot themida credentialflusher vidar phishing gcleaner

Link:

https://app.any.run/tasks/d1dbb3be-f183-4c27-83ed-5b6d04c06338

Note:

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

Detection(s):

SecuriteInfo.com.Win32.MalwareX-gen.26767.25573.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=676589538a4d48ee35fd60f4

Tags:

vmdetect phishing

Result

Verdict:

Clean

Maliciousness:

Behaviour

Сreating synchronization primitives

Searching for analyzing tools

Searching for the window

DNS request

Connection attempt

Sending a custom TCP request

Creating a window

Sending an HTTP POST request

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

anti-vm packed packed packer_detected

Link:

https://www.filescan.io/uploads/67658949e46f10e42614624c/reports/38f96002-b8f1-4b7b-9d45-c4db16d79817/overview

Verdict:

Malicious

Labled as:

Zusy.Generic

Link:

https://www.hybrid-analysis.com/sample/957a5b78c870c0c648884b8ee30f5f437325c94212f4436566cccbc3b88aa987

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:

Unknown

Link:

https://analyze.intezer.com/analyses/d4a4487c-411c-482c-b109-5f54cc3937eb

Result

Threat name:

n/a

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1578943

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:

Link:

https://malprob.io/report/957a5b78c870c0c648884b8ee30f5f437325c94212f4436566cccbc3b88aa987

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/957a5b78c870c0c648884b8ee30f5f437325c94212f4436566cccbc3b88aa987/

Threat name:

Win32.Trojan.Znyonm

Status:

Malicious

First seen:

2024-12-20 14:52:42 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

18 of 23 (78.26%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=sv5fw6giodammseijohogd27inzslskccl2egzlgztf4hoekvgdq._file

Result

Malware family:

cryptbot

Score:

10/10

Tags:

family:cryptbot discovery evasion spyware stealer

Link:

https://tria.ge/reports/241220-sk786syphj/

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:

Unknown

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/a811eb48-86c1-4c25-ac76-cba9a0d89d33

Unpacked files

SH256 hash:

eb1e4b5a4a9dba532ac2db9c875332e28d9710eaadd082005cdac34de929d09d

MD5 hash:

bc0194f2fc22e263d4fd8230b0818172

SHA1 hash:

4a19fa99251a87980112ed7970b266202d35aa26

Detections:

CryptBot

Link:

https://www.unpac.me/results/928e7b34-a577-4155-9317-9181619e2b01/

SH256 hash:

957a5b78c870c0c648884b8ee30f5f437325c94212f4436566cccbc3b88aa987

MD5 hash:

04869f7ace61605035664af9589af21b

SHA1 hash:

0688d7e4038f6103600011198edecb98df152221

Link:

https://www.unpac.me/results/928e7b34-a577-4155-9317-9181619e2b01/

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 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

exe 957a5b78c870c0c648884b8ee30f5f437325c94212f4436566cccbc3b88aa987

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3346450/

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3308639/

URLhaus

https://urlhaus.abuse.ch/url/3331766/

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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