MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f597a169eff0fcb60de34630635da598c0b90ff4c96764844d0aebca18fa3988. 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 2 File information Comments

SHA256 hash: f597a169eff0fcb60de34630635da598c0b90ff4c96764844d0aebca18fa3988
SHA3-384 hash: c340f62873999dc028beb39919d06f325101528423f311cc9e7dc05261ea1c7092d8cd000f8f33d92ae52f7140f285f6
SHA1 hash: eecf63be5fb363df535b6511b89933af73d77872
MD5 hash: 5f5d0f74731d095e143a575d19179bbf
humanhash: zulu-nine-social-double
File name:Urbaniserendes.exe
Download: download sample
Signature GuLoader
File size:1'463'702 bytes
First seen:2023-09-27 12:24:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 671f2a1f8aee14d336bab98fea93d734 (182 x GuLoader, 4 x Formbook, 4 x RemcosRAT)
ssdeep 24576:I7pa/WHKS7+ps2RvI/o1kFCP/zYLmNwiQ1bGYaMpAgLBB/jkNv:IAaqs2RgszI6tS1LBBav
Threatray 286 similar samples on MalwareBazaar
TLSH T14365339879D0809AD73232B56AB5FD9AF31443E6410C4BCF6A90EF8FED655C68B17007
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) (4505/5/1)
File icon (PE):PE icon
dhash icon f0fcf4f292d0f8f2 (2 x GuLoader)
Reporter malwarelabnet
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
1
# of downloads :
287
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
Urbaniserendes.exe
Verdict:
Malicious activity
Analysis date:
2023-09-27 12:26:29 UTC
Tags:
guloader

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

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
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.
Result
Threat name:
GuLoader, FormBook
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Queues an APC in another process (thread injection)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-09-27 09:00:21 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
9 of 23 (39.13%)
Threat level:
  2/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader downloader persistence
Behaviour
Checks SCSI registry key(s)
Gathers network information
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Enumerates connected drives
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Checks computer location settings
Loads dropped DLL
Modifies Installed Components in the registry
Guloader,Cloudeye
Unpacked files
SH256 hash:
7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
MD5 hash:
dd87a973e01c5d9f8e0fcc81a0af7c7a
SHA1 hash:
c9206ced48d1e5bc648b1d0f54cccc18bf643a14
SH256 hash:
f597a169eff0fcb60de34630635da598c0b90ff4c96764844d0aebca18fa3988
MD5 hash:
5f5d0f74731d095e143a575d19179bbf
SHA1 hash:
eecf63be5fb363df535b6511b89933af73d77872
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
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Comments