MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7dcd76789f0855c1cbc885ddbe02671d4a5045de157be764a59aec4eff4da420. 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



CyberStealer


Vendor detections: 12


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: 7dcd76789f0855c1cbc885ddbe02671d4a5045de157be764a59aec4eff4da420
SHA3-384 hash: aa77e246a1ec6689d9d85b0631bf9aa6ffac19f48decc7f372d7ceb5526d278001649901478acf24093b37b33b9fbfdf
SHA1 hash: a8dfbf35bf83edb4ecf88cde451aed1ce048b252
MD5 hash: 5baf1c446bc8b7279bb813a81ef96603
humanhash: rugby-nitrogen-juliet-papa
File name:BB5[1].file
Download: download sample
Signature CyberStealer
File size:2'841'193 bytes
First seen:2025-07-26 20:14:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:EaqwUUNyzEnsMncLfp+aY5VFLsVoose49hifW5RHsx9Vug27u5:pqBUIAnvofp+aYPF6oose4af0RHskgoS
TLSH T166D53361CAF2C530D512D5FD0B899E871DBA7228BE2CAE4E740D597D0F2394CA42CE97
TrID 76.2% (.EXE) Inno Setup installer (107240/4/30)
10.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon 34f0c4c4e484908c (1 x CyberStealer)
Reporter aachum
Tags:cyberdarkduck-live CyberStealer dropped-by-gcleaner exe


Avatar
iamaachum
CyberStealer C2:
paxrobot.digital
https://cyberdarkduck.live/webpanel//logs.php
https://cyberdarkduck.live/webpanel/Panel/heartbeat.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
42
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
up4pc.com Download Link.exe
Verdict:
Malicious activity
Analysis date:
2025-07-26 19:42:23 UTC
Tags:
delphi gcleaner loader lumma stealer autoit golang evasion pastebin

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
extens nemty shell virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Restart of the analyzed sample
Creating a process with a hidden window
Searching for synchronization primitives
Creating a file
Moving a recently created file
Launching a process
Loading a suspicious library
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
borland_delphi expired-cert fingerprint installer invalid-signature masquerade obfuscated overlay overlay packed signed
Result
Threat name:
GO Injector, EICAR
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
70 / 100
Signature
Adds a directory exclusion to Windows Defender
Connects to a pastebin service (likely for C&C)
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Sigma detected: Potentially Suspicious Child Process Of Regsvr32
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell launch regsvr32
Suspicious powershell command line found
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected EICAR
Yara detected GO Injector
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1744774 Sample: BB5[1].file.exe Startdate: 26/07/2025 Architecture: WINDOWS Score: 70 86 pastebin.com 2->86 88 paxrobot.digital 2->88 90 2 other IPs or domains 2->90 98 Multi AV Scanner detection for dropped file 2->98 100 Multi AV Scanner detection for submitted file 2->100 102 Sigma detected: Powershell launch regsvr32 2->102 106 5 other signatures 2->106 12 BB5[1].file.exe 2 2->12         started        15 regsvr32.exe 2->15         started        17 svchost.exe 2->17         started        20 2 other processes 2->20 signatures3 104 Connects to a pastebin service (likely for C&C) 86->104 process4 dnsIp5 82 C:\Users\user\AppData\...\BB5[1].file.tmp, PE32 12->82 dropped 22 BB5[1].file.tmp 6 12->22         started        25 regsvr32.exe 15->25         started        84 127.0.0.1 unknown unknown 17->84 28 regsvr32.exe 20->28         started        30 regsvr32.exe 20->30         started        file6 process7 file8 70 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 22->70 dropped 72 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 22->72 dropped 74 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 22->74 dropped 32 BB5[1].file.exe 2 22->32         started        116 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 25->116 signatures9 process10 file11 60 C:\Users\user\AppData\...\BB5[1].file.tmp, PE32 32->60 dropped 35 BB5[1].file.tmp 6 32->35         started        process12 file13 62 C:\Users\user\AppData\Local\is-O3IA6.tmp, PE32 35->62 dropped 64 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 35->64 dropped 66 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 35->66 dropped 68 2 other malicious files 35->68 dropped 38 regsvr32.exe 17 157 35->38         started        process14 dnsIp15 92 paxrobot.digital 38->92 94 cyberdarkduck.live 87.120.93.214, 443, 49758, 49759 INTERKVMRO Bulgaria 38->94 96 2 other IPs or domains 38->96 76 C:\Users\user\AppData\Local\Temp\Zip.exe, PE32 38->76 dropped 78 C:\Users\user\AppData\...78ewtonsoft.Json.dll, PE32 38->78 dropped 80 C:\Users\user\AppData\Local\...\eicar.com.txt, EICAR 38->80 dropped 108 System process connects to network (likely due to code injection or exploit) 38->108 110 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 38->110 112 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 38->112 114 5 other signatures 38->114 43 powershell.exe 38->43         started        46 powershell.exe 38->46         started        48 powershell.exe 38->48         started        50 Zip.exe 38->50         started        file16 signatures17 process18 signatures19 118 Loading BitLocker PowerShell Module 43->118 52 conhost.exe 43->52         started        54 WmiPrvSE.exe 43->54         started        56 conhost.exe 46->56         started        58 conhost.exe 48->58         started        120 Multi AV Scanner detection for dropped file 50->120 process20
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 32 Exe x86
Threat name:
Win32.Trojan.Egairtigado
Status:
Malicious
First seen:
2025-07-26 20:13:15 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
16 of 35 (45.71%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops desktop.ini file(s)
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
7dcd76789f0855c1cbc885ddbe02671d4a5045de157be764a59aec4eff4da420
MD5 hash:
5baf1c446bc8b7279bb813a81ef96603
SHA1 hash:
a8dfbf35bf83edb4ecf88cde451aed1ce048b252
SH256 hash:
cf24b1dc746f06811b4590bf461e5a7f9a026b75927f9951370775d6d288a31e
MD5 hash:
fb9fc5592714a388c823397fc3ea028a
SHA1 hash:
f84b837a42ad91ad78941a7f02a2b8e95248a680
SH256 hash:
07d4848543a860c0788cf0d2869fef9696805eec67ff5daf11b9ba6c643a6937
MD5 hash:
d955ce75fe2d0ce3a061cd131b94fe92
SHA1 hash:
45ba1fc0431b61fe6f558f19bf5422c043332e53
SH256 hash:
a4c86fc4836ac728d7bd96e7915090fd59521a9e74f1d06ef8e5a47c8695fd81
MD5 hash:
4ff75f505fddcc6a9ae62216446205d9
SHA1 hash:
efe32d504ce72f32e92dcf01aa2752b04d81a342
SH256 hash:
4dc09bac0613590f1fac8771d18af5be25a1e1cb8fdbf4031aa364f3057e74a2
MD5 hash:
0ee914c6f0bb93996c75941e1ad629c6
SHA1 hash:
12e2cb05506ee3e82046c41510f39a258a5e5549
SH256 hash:
44b8e6a310564338968158a1ed88c8535dece20acb06c5e22d87953c261dfed0
MD5 hash:
9c8886759e736d3f27674e0fff63d40a
SHA1 hash:
ceff6a7b106c3262d9e8496d2ab319821b100541
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:PE_Digital_Certificate
Author:albertzsigovits
Rule name:ScanStringsInsocks5systemz
Author:Byambaa@pubcert.mn
Description:Scans presence of the found strings using the in-house brute force method
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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

CyberStealer

Executable exe 7dcd76789f0855c1cbc885ddbe02671d4a5045de157be764a59aec4eff4da420

(this sample)

  
Dropped by
GCleaner
  
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
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::AdjustTokenPrivileges
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessA
advapi32.dll::OpenProcessToken
kernel32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::GetSystemInfo
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryA
kernel32.dll::CreateFileA
kernel32.dll::DeleteFileA
kernel32.dll::GetWindowsDirectoryA
kernel32.dll::GetFileAttributesA
kernel32.dll::RemoveDirectoryA
WIN_BASE_USER_APIRetrieves Account Informationadvapi32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::PeekMessageA
user32.dll::CreateWindowExA

Comments