MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 030ca745bb45c5cba7e0dc933c2f36aa7c27a3716929027e1b9aa64c6ed60f81. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments

SHA256 hash: 030ca745bb45c5cba7e0dc933c2f36aa7c27a3716929027e1b9aa64c6ed60f81
SHA3-384 hash: 76bd6815b432160513f3a9e3eda2a1debe953368c098f6aa1fbc84a23cfb4c82e980138795e68ca173a87762a09f6811
SHA1 hash: 538205c2ac6d66f796a25571548c31086c2e231a
MD5 hash: 1564e0d55798a05392c21c4e32af6c8b
humanhash: butter-may-quebec-high
File name:Thetempest.exe
Download: download sample
Signature GuLoader
File size:856'230 bytes
First seen:2023-10-03 13:48:19 UTC
Last seen:2023-10-03 14:37:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 671f2a1f8aee14d336bab98fea93d734 (182 x GuLoader, 4 x Formbook, 4 x RemcosRAT)
ssdeep 24576:INPx3Tpgh9NZEak0F5SAz6uc1L9J8xVCT5ATqY2BXY6+g7:mBTMTq2MAz6VL9J8xVCT5AT2Y6N
Threatray 292 similar samples on MalwareBazaar
TLSH T12D05239071E0C5A7DB7B527880E7931EDFF9EE212197A34787017E5CAC37AC28316698
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)
Reporter malwarelabnet
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
2
# of downloads :
272
Origin country :
CA CA
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Gathering data
Verdict:
Suspicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed remcos shell32 threat virus
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:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
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:
2023-10-03 08:05:06 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
17 of 23 (73.91%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
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
Checks QEMU agent file
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
MD5 hash:
dd87a973e01c5d9f8e0fcc81a0af7c7a
SHA1 hash:
c9206ced48d1e5bc648b1d0f54cccc18bf643a14
SH256 hash:
030ca745bb45c5cba7e0dc933c2f36aa7c27a3716929027e1b9aa64c6ed60f81
MD5 hash:
1564e0d55798a05392c21c4e32af6c8b
SHA1 hash:
538205c2ac6d66f796a25571548c31086c2e231a
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