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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eef5fc49ee15098dabcaccf8b6badbe5f507a7464eba9b8ce8c1dbe3f22fc82b. 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: 12


Intelligence 12 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eef5fc49ee15098dabcaccf8b6badbe5f507a7464eba9b8ce8c1dbe3f22fc82b
SHA3-384 hash: 4b414bde1b2d452ad4e73562ba37fdd27932e86ad956a4092f0e94d908eda33815c8345603c902aaf7cc9190216ae38a
SHA1 hash: 1d0a6b8cd901bd3a9e7d588dea06ed8cff3bfa97
MD5 hash: 1b02afb379eaa68934e3ce9831fcaa3f
humanhash: speaker-island-virginia-dakota
File name:SecuriteInfo.com.Win32.Evo-gen.20658.28793
Download: download sample
Signature GuLoader
Create hunting rule
File size:816'880 bytes
First seen:2024-04-08 23:32:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e221f4f7d36469d53810a4b5f9fc8966 (118 x GuLoader, 28 x RemcosRAT, 21 x Formbook)
ssdeep 12288:El5TPKhkpj2Uoh/spPPjPr0tAoOz+grNG3XJ6EqsBOdijtVy4ZSQ5o8OJl1gvmq4:qPW2RU/SPbGA/+vTHBdPoNJPp
TLSH T12705128AB520F1E8FC38DA314323586093E23DF9DAD72A0FE69877E51871543766D70A
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
File icon (PE):PE icon
dhash icon e0f8fcccfafefe5f (1 x GuLoader)
Reporter SecuriteInfoCom
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
407
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
guloader
Create hunting rule
ID:
1
File name:
eef5fc49ee15098dabcaccf8b6badbe5f507a7464eba9b8ce8c1dbe3f22fc82b.exe
Verdict:
Malicious activity
Analysis date:
2024-04-08 23:34:54 UTC
Tags:
guloader
Link:
https://app.any.run/tasks/f046ac79-f4ee-418c-9bed-f0d0c352da7a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Delayed reading of the file
Creating a file in the %AppData% subdirectories
Searching for many windows
Creating a file
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Sending an HTTP GET request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/66147eaf35699b4745c203be/reports/5e93223f-d0ce-464d-b911-00811a1f327e/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/eef5fc49ee15098dabcaccf8b6badbe5f507a7464eba9b8ce8c1dbe3f22fc82b
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d9a4033f-8fda-44ff-98eb-b1a01f3b16fe
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1422673
Signature
Installs a global keyboard hook
Machine Learning detection for sample
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/eef5fc49ee15098dabcaccf8b6badbe5f507a7464eba9b8ce8c1dbe3f22fc82b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/eef5fc49ee15098dabcaccf8b6badbe5f507a7464eba9b8ce8c1dbe3f22fc82b/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-04-08 15:14:52 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
11 of 24 (45.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5327yspocuey3k6kzt4lnow34x2qpj2gj25jxdhiyhn6h4rpzavq._file
Verdict:
unknown
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:guloader downloader keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240408-3jtz9sfb24/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Guloader,Cloudeye
Unpacked files
SH256 hash:
7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528
MD5 hash:
fc90dfb694d0e17b013d6f818bce41b0
SHA1 hash:
3243969886d640af3bfa442728b9f0dff9d5f5b0
Link:
https://www.unpac.me/results/6559cebf-93c0-4894-b7e5-10a401b8b362/
SH256 hash:
1814b268cf20971808502a57937b68dec251b98a38baaca356235b5b6a327b38
MD5 hash:
2ddaaa2ef9582fa78a16a64051fc4024
SHA1 hash:
1ddd5840f4c3c1b0846eab1cf92aa39ff86a5998
Link:
https://www.unpac.me/results/6559cebf-93c0-4894-b7e5-10a401b8b362/
SH256 hash:
eef5fc49ee15098dabcaccf8b6badbe5f507a7464eba9b8ce8c1dbe3f22fc82b
MD5 hash:
1b02afb379eaa68934e3ce9831fcaa3f
SHA1 hash:
1d0a6b8cd901bd3a9e7d588dea06ed8cff3bfa97
Link:
https://www.unpac.me/results/6559cebf-93c0-4894-b7e5-10a401b8b362/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/eef5fc49ee15/report/overview.html
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/eef5fc49ee15098dabcaccf8b6badbe5f507a7464eba9b8ce8c1dbe3f22fc82b

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.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::GetWindowsDirectoryW
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

Comments