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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38d004ec227ac239e9d4e9c754e41822da5bcdb669cfd01fbb084ba3192cc29a. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments

SHA256 hash: 38d004ec227ac239e9d4e9c754e41822da5bcdb669cfd01fbb084ba3192cc29a
SHA3-384 hash: 81824d3f1b4faa56a298f0401fd0e66b233b444fb1bd404dd28c66aa22c07159d5d8744fb15b531ee7e96f6cca4f3bff
SHA1 hash: c2eec72b9b756d10b86893787d578a5092cd082d
MD5 hash: 287aa9c5492936f8cad76d605b352557
humanhash: oklahoma-network-moon-early
File name:38d004ec227ac239e9d4e9c754e41822da5bcdb669cfd01fbb084ba3192cc29a
Download: download sample
Signature GuLoader
File size:984'776 bytes
First seen:2025-03-10 12:06:03 UTC
Last seen:2026-05-20 17:32:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f4639a0b3116c2cfc71144b88a929cfd (144 x GuLoader, 57 x Formbook, 46 x VIPKeylogger)
ssdeep 24576:DfYzitFHRy73qtkiPfVmDlYEOlyGmsYu8g7++072+W7i:rYyu3+kSV8YEpG8u8gswi
Threatray 907 similar samples on MalwareBazaar
TLSH T1462502372F1CC942D6931AF23EA26356B674E4252B7F16E3CB02794419B7BC0B98D391
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
Reporter adrian__luca
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
3
# of downloads :
342
Origin country :
HU HU
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
injection virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file
Delayed reading of the file
Creating a file in the %temp% subdirectories
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context blackhole guloader installer microsoft_visual_cc overlay packed packer_detected
Result
Threat name:
GuLoader, Snake Keylogger
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
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
Uses the Telegram API (likely for C&C communication)
Yara detected GuLoader
Yara detected Snake Keylogger
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2025-02-26 16:13:44 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
vipkeylogger
Score:
  10/10
Tags:
family:guloader family:vipkeylogger collection discovery downloader keylogger spyware stealer
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 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/bot7869489618:AAHN5xZzcFLHOzYCX49Sa8fwJ0Zb2PusB48/sendMessage?chat_id=7618581100
Unpacked files
SH256 hash:
23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
MD5 hash:
192639861e3dc2dc5c08bb8f8c7260d5
SHA1 hash:
58d30e460609e22fa0098bc27d928b689ef9af78
SH256 hash:
38d004ec227ac239e9d4e9c754e41822da5bcdb669cfd01fbb084ba3192cc29a
MD5 hash:
287aa9c5492936f8cad76d605b352557
SHA1 hash:
c2eec72b9b756d10b86893787d578a5092cd082d
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: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.

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::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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