MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 26e297f8f4bf5837af4c8b5132598c2eed45245c4f6baf0e8c960ff2a555989e. 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
| SHA256 hash: | 26e297f8f4bf5837af4c8b5132598c2eed45245c4f6baf0e8c960ff2a555989e |
|---|---|
| SHA3-384 hash: | ec42b65c2f31925898d80c6b6fe7d63300c8abae2bea1e0e8eb6b6d3b224d7dda9f184f89ca419836ed0fb050d99b460 |
| SHA1 hash: | faefafadcb9b0f936e85b9b7b65ff163f5d9c8e2 |
| MD5 hash: | ef9d99538803de5140aa18eeb3b958b3 |
| humanhash: | mobile-virginia-golf-bakerloo |
| File name: | ef9d99538803de5140aa18eeb3b958b3 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 427'216 bytes |
| First seen: | 2023-05-23 07:19:43 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b78ecf47c0a3e24a6f4af114e2d1f5de (295 x GuLoader, 23 x Formbook, 21 x RemcosRAT) |
| ssdeep | 12288:Uvm1Q2ufBC02C3ihqQ8w99Pj3S+l9wwFTlULWrU:im1QJZr2C3qnR5luwNGa |
| Threatray | 851 similar samples on MalwareBazaar |
| TLSH | T18F94010137A1F895CA970572CEE1D2B9F631FD51897A029337D13FAF7DB9203A629242 |
| 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): |  |
| dhash icon | f069696969696971 (1 x Smoke Loader, 1 x GuLoader) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-07-17T08:18:47Z |
| Valid to: | 2025-07-16T08:18:47Z |
| Serial number: | 481dd6e5f8354aa2c54f24ad615b977336ef643c |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 41b8c003341d277404eca953ad7dbb8d58018cf89287392c61641998f5e81a33 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
262
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Products_List_Quotation_Sheet_RFQ#2205Q22023.xls
Verdict:
Malicious activity
Analysis date:
2023-05-23 06:13:41 UTC
Tags:
opendir exploit cve-2017-11882 loader
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
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
buer lolbin overlay packed shell32.dll
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Behaviour
Behavior Graph:
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 841 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Checks QEMU agent file
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e
MD5 hash:
3f176d1ee13b0d7d6bd92e1c7a0b9bae
SHA1 hash:
fe582246792774c2c9dd15639ffa0aca90d6fd0b
SH256 hash:
26e297f8f4bf5837af4c8b5132598c2eed45245c4f6baf0e8c960ff2a555989e
MD5 hash:
ef9d99538803de5140aa18eeb3b958b3
SHA1 hash:
faefafadcb9b0f936e85b9b7b65ff163f5d9c8e2
Malware family:
GuLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
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