MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8dd9ac3ec0436e700aa87ac846c7d682389acbbda1818b56c42bec2e21ece73. 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


GuLoader


Vendor detections: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d8dd9ac3ec0436e700aa87ac846c7d682389acbbda1818b56c42bec2e21ece73
SHA3-384 hash: 4d1698028a8d597b3ef1fa8590a67cf32fde946f6f3fdeda0ed0d3ee93c913f2cbf01b91ca90e2d3459e203bce3e3cf1
SHA1 hash: e7647f2f0f0bbd73dd3d6e024810f41c6c24a9fc
MD5 hash: a348c76d9e0d8e41a5be07235738c114
humanhash: ink-london-spring-beer
File name:d8dd9ac3ec0436e700aa87ac846c7d682389acbbda1818b56c42bec2e21ece73
Download: download sample
Signature GuLoader
Create hunting rule
File size:766'705 bytes
First seen:2025-03-07 14:15:11 UTC
Last seen:2025-03-07 15:59:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 0293eec0b5432ad092f24065016203b2 (21 x GuLoader, 9 x RemcosRAT, 6 x Formbook)
ssdeep 12288:JqTO0MKMZYTCb01/kOPf8OByQW2iOq4WJtMo4s2KCjG4XLY5e/SGbeeEwomKDERP:Jd0MKMZYT0wk7eTBkH4jGcLoe/SG6+ok
TLSH T1B0F42209B790E662C1163F728A63D6A5B3F5EC2679127F5B77B0B72E3DB03109D06209
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 20a498e6e4323230 (1 x GuLoader)
Reporter adrian__luca
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
155
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d8dd9ac3ec0436e700aa87ac846c7d682389acbbda1818b56c42bec2e21ece73
Verdict:
Malicious activity
Analysis date:
2025-03-07 13:00:34 UTC
Tags:
snake keylogger evasion telegram stealer
Link:
https://app.any.run/tasks/600f6d53-db25-4084-a795-13fea9b064b7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67caedf1c668b65489bfc1a1
Tags:
injection uloader virus nsis
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the Program Files subdirectories
Delayed reading of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context installer microsoft_visual_cc overlay packed packer_detected
Link:
https://www.filescan.io/uploads/67caff7f4a3011c802ca5af5/reports/d60e5311-f927-47a0-9d9f-1b143bb5eadd/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/d8dd9ac3ec0436e700aa87ac846c7d682389acbbda1818b56c42bec2e21ece73
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/f7c4541e-1e7f-49f2-9e77-419cb53427a4
Result
Threat name:
GuLoader, Snake Keylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1631812
Signature
Found malware configuration
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect the country of the analysis system (by using the IP)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected GuLoader
Yara detected Snake Keylogger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d8dd9ac3ec0436e700aa87ac846c7d682389acbbda1818b56c42bec2e21ece73
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d8dd9ac3ec0436e700aa87ac846c7d682389acbbda1818b56c42bec2e21ece73/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-03-07 14:15:34 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3dozvq7maq3ooafkq6wii3d5narytlf33imbrnlmik7mfyq6zzzq._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
error
GuLoader
Result
Malware family:
vipkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:vipkeylogger collection discovery downloader keylogger spyware stealer
Link:
https://tria.ge/reports/250307-rkrqraskv6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Guloader family
Guloader,Cloudeye
VIPKeylogger
Vipkeylogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot7850428832:AAHkmxGiQMqPdI63Wmec7SES132JcWja6Js/sendMessage?chat_id=7902102156
Verdict:
Malicious
Tags:
loader guloader
YARA:
NSIS_GuLoader_July_2024
Link:
https://app.threat.zone/submission/75f55d9c-28d3-40d6-b0ca-538aff65edf4
Unpacked files
SH256 hash:
d8dd9ac3ec0436e700aa87ac846c7d682389acbbda1818b56c42bec2e21ece73
MD5 hash:
a348c76d9e0d8e41a5be07235738c114
SHA1 hash:
e7647f2f0f0bbd73dd3d6e024810f41c6c24a9fc
Link:
https://www.unpac.me/results/c0c524ba-aafc-441a-8729-2e41e16169e1/
SH256 hash:
014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042
MD5 hash:
12b140583e3273ee1f65016becea58c4
SHA1 hash:
92df24d11797fefd2e1f8d29be9dfd67c56c1ada
Link:
https://www.unpac.me/results/c0c524ba-aafc-441a-8729-2e41e16169e1/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d8dd9ac3ec04/report/overview.html
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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

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
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExA
SHELL32.dll::SHFileOperationA
SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDiskFreeSpaceA
KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileA
KERNEL32.dll::MoveFileExA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExA
USER32.dll::OpenClipboard
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

Comments