MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 657ffa1f45c97cdda48a5c2ea95eecdfdfeae68d9aac937c120b0ab063ea6e87. 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


Gh0stRAT


Vendor detections: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 657ffa1f45c97cdda48a5c2ea95eecdfdfeae68d9aac937c120b0ab063ea6e87
SHA3-384 hash: 216430ced6b3ef8824fb0361fc628cd3f50f96c7327ddc62ba71f10c7df904faf4095bd982f3a0609f4c3f98512cd66b
SHA1 hash: 4135a80b786a0e4504e17352362e6ecc754b4ce5
MD5 hash: 28de8c856e847f8097131e502fc75d8d
humanhash: spring-neptune-may-seventeen
File name:4135a80b786a0e4504e17352362e6ecc754b4ce5.dll
Download: download sample
Signature Gh0stRAT
Create hunting rule
File size:307'834 bytes
First seen:2024-11-19 12:54:39 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash e68f6ce4fad6e16f1060136013578ef2 (1 x Gh0stRAT)
ssdeep 6144:NuezXQ8wsFPhmNsCBk5mizL5rC5rgRMLt6wVVNrBqFdEJRKgY:LzA8wsFPEsC+5dzL5rC5rgRML4wVVN8H
TLSH T1D9649E51337252F5D4DB0A32AE29EB2EE77064109CECDD52DF8315852CE344AFA9938B
TrID 38.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
13.0% (.EXE) Win64 Executable (generic) (10522/11/4)
8.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter NDA0E
Tags:dll Gh0stRAT Venik

Intelligence

File Origin
# of uploads :
1
# of downloads :
398
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Win.Worm.Razy-9830714-0
Create hunting rule

Win.Worm.Razy-9969785-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=673c8dde80d21948b032f798
Tags:
zegost farfli palevo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm evasive explorer lolbin microsoft_visual_cc overlay packed packed packer_detected
Link:
https://www.filescan.io/uploads/673c8ab57a6ae3d44b9f7ad1/reports/4bf7b5f3-3f5d-43b5-be73-24d4e87ce337/overview
Verdict:
Malicious
Labled as:
Mikey.Generic
Link:
https://www.hybrid-analysis.com/sample/657ffa1f45c97cdda48a5c2ea95eecdfdfeae68d9aac937c120b0ab063ea6e87
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/43ab0074-78d0-4644-9cd1-0180df34bc88
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1558490
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains functionality to infect the boot sector
Creates an autostart registry key pointing to binary in C:\Windows
Found evasive API chain (may stop execution after checking mutex)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
Queries disk data (e.g. SMART data)
System process connects to network (likely due to code injection or exploit)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1558490 Sample: b3sV534MMf.dll Startdate: 19/11/2024 Architecture: WINDOWS Score: 100 65 blogx.sina.com.cn 2->65 67 blog.sina.com.cn 2->67 85 Malicious sample detected (through community Yara rule) 2->85 87 Antivirus / Scanner detection for submitted sample 2->87 89 Multi AV Scanner detection for submitted file 2->89 91 4 other signatures 2->91 10 loaddll32.exe 1 2->10         started        12 rundll32.exe 2->12         started        14 rundll32.exe 2->14         started        signatures3 process4 process5 16 rundll32.exe 1 14 10->16         started        20 cmd.exe 1 10->20         started        22 rundll32.exe 10->22         started        28 5 other processes 10->28 24 cmd.exe 12->24         started        26 cmd.exe 14->26         started        dnsIp6 59 174.139.6.42, 3204 VPLSNETUS United States 16->59 61 174.139.6.43, 805 VPLSNETUS United States 16->61 63 3 other IPs or domains 16->63 71 System process connects to network (likely due to code injection or exploit) 16->71 73 Found evasive API chain (may stop execution after checking mutex) 16->73 75 Contains functionality to infect the boot sector 16->75 77 Creates an autostart registry key pointing to binary in C:\Windows 16->77 79 Uses ping.exe to sleep 20->79 81 Uses ping.exe to check the status of other devices and networks 20->81 30 rundll32.exe 20->30         started        83 Queries disk data (e.g. SMART data) 22->83 33 cmd.exe 22->33         started        35 conhost.exe 24->35         started        37 PING.EXE 24->37         started        39 conhost.exe 26->39         started        41 PING.EXE 26->41         started        43 WerFault.exe 22 16 28->43         started        45 WerFault.exe 16 28->45         started        signatures7 process8 signatures9 93 Queries disk data (e.g. SMART data) 30->93 47 cmd.exe 1 30->47         started        95 Uses ping.exe to sleep 33->95 50 conhost.exe 33->50         started        52 PING.EXE 33->52         started        process10 signatures11 97 Uses ping.exe to sleep 47->97 54 PING.EXE 1 47->54         started        57 conhost.exe 47->57         started        process12 dnsIp13 69 127.0.0.1 unknown unknown 54->69
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/657ffa1f45c97cdda48a5c2ea95eecdfdfeae68d9aac937c120b0ab063ea6e87
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/657ffa1f45c97cdda48a5c2ea95eecdfdfeae68d9aac937c120b0ab063ea6e87/
Threat name:
Win32.Backdoor.Zegost
Create hunting rule
Status:
Malicious
First seen:
2024-11-19 04:16:00 UTC
File Type:
PE (Dll)
AV detection:
32 of 38 (84.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mv77uh2fzf6n3jeklqxksxxm37p6vzuntkwjg7asbmflay7kn2dq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
bootkit discovery persistence spyware stealer
Link:
https://tria.ge/reports/241119-p5r6xawkhw/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Adds Run key to start application
Enumerates connected drives
Writes to the Master Boot Record (MBR)
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
657ffa1f45c97cdda48a5c2ea95eecdfdfeae68d9aac937c120b0ab063ea6e87
MD5 hash:
28de8c856e847f8097131e502fc75d8d
SHA1 hash:
4135a80b786a0e4504e17352362e6ecc754b4ce5
Link:
https://www.unpac.me/results/c810a6e4-0862-4183-be95-bd111fead1fc/
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/657ffa1f45c97cdda48a5c2ea95eecdfdfeae68d9aac937c120b0ab063ea6e87

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:INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent
Create hunting rule
Author:ditekSHen
Description:Detects executables containing base64 encoded User Agent
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:Winnti_NlaifSvc
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Winnti sample - file NlaifSvc.dll
Reference:https://goo.gl/VbvJtL
Rule name:Winnti_NlaifSvc_RID2CFF
Create hunting rule
Author:Florian Roth
Description:Winnti sample - file NlaifSvc.dll
Reference:https://goo.gl/VbvJtL

File information

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

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoInitializeSecurity
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA

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