MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 09d071d33e9aedd10788a8fb405416f40be21301f741e1c2690007cfad11a219. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 09d071d33e9aedd10788a8fb405416f40be21301f741e1c2690007cfad11a219
SHA3-384 hash: 58da4fe2e5d9d102b07fb7c55cbacc133b7f3d96b0c0e1cd258ca8871b57a34ad21524301487e0832a00216dd9d361b3
SHA1 hash: 7093e67774745420083229d2cf5bb556a7445cd3
MD5 hash: 413546db671a8e0d148adcb94479c326
humanhash: twenty-colorado-jupiter-oranges
File name:Pyramimidia.exe
Download: download sample
Signature GuLoader
File size:858'415 bytes
First seen:2023-10-02 21:41:46 UTC
Last seen:2023-10-09 18:12:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 671f2a1f8aee14d336bab98fea93d734 (182 x GuLoader, 4 x Formbook, 4 x RemcosRAT)
ssdeep 24576:INPx3TpU2CwUBmovMEA6ohz6uc1L9J8xVCT5ATqY2BXY6+g7:mBTOxwUTvMn6ohz6VL9J8xVCT5AT2Y6N
Threatray 288 similar samples on MalwareBazaar
TLSH T1620523A066F0C89BCB7E523481DA160FEFF5FD11B216E24B8B153A85BC67FC1856A244
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 Racco42
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
2
# of downloads :
293
Origin country :
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DOC021023.rar
Verdict:
Malicious activity
Analysis date:
2023-10-03 12:29:25 UTC
Tags:
n/a

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

Behaviour
Searching for the window
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.Guloader
Status:
Malicious
First seen:
2023-10-02 12:37:24 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
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
Unpacked files
SH256 hash:
7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
MD5 hash:
dd87a973e01c5d9f8e0fcc81a0af7c7a
SHA1 hash:
c9206ced48d1e5bc648b1d0f54cccc18bf643a14
SH256 hash:
09d071d33e9aedd10788a8fb405416f40be21301f741e1c2690007cfad11a219
MD5 hash:
413546db671a8e0d148adcb94479c326
SHA1 hash:
7093e67774745420083229d2cf5bb556a7445cd3
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.

Malspam

GuLoader

Executable exe 09d071d33e9aedd10788a8fb405416f40be21301f741e1c2690007cfad11a219

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments