MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c14f03d40463a937c43d9e7717acc6c96c5b294c0d15a6431d09b5e3e2a76d45. 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: 11
| SHA256 hash: | c14f03d40463a937c43d9e7717acc6c96c5b294c0d15a6431d09b5e3e2a76d45 |
|---|---|
| SHA3-384 hash: | 17670b08c508850b40770d369dd2a4d782878c72cae058cf9aefd25e635232a2dff14298609d811a24d7a6a4ae330275 |
| SHA1 hash: | 24d5d05fda9ceb49462fc4a0a03e7b8e97a1f9e5 |
| MD5 hash: | 7b039d47de748555460ddd62fad6cc12 |
| humanhash: | nuts-one-pip-dakota |
| File name: | SecuriteInfo.com.FileRepMalware.31779.4256 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 420'320 bytes |
| First seen: | 2023-07-03 12:36:02 UTC |
| Last seen: | 2023-07-04 01:25:02 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b78ecf47c0a3e24a6f4af114e2d1f5de (301 x GuLoader, 23 x Formbook, 21 x RemcosRAT) |
| ssdeep | 3072:0tSBOyX9F2dc/ZBZ0Bxiqb+7ekpg165dWAQ0hRyllmMzP5TilS8u3GNIehLvt94b:0C2guh+7eUVjRE44gq3du194wZb6h |
| TLSH | T1AF94F081B99ED4BAC5454A701DB6CE6AE772FE0D38100E07739CBB9C1C73281943AE8D |
| 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 | b838b132e2f2f224 (2 x GuLoader) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-11-06T11:00:02Z |
| Valid to: | 2025-11-05T11:00:02Z |
| Serial number: | 215a402939828b4a1b6aab24c99b8bcb05812264 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | b51823f920954bb91957657db6effe2f9a0cc85985a9504a2b94441efc3595c7 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
295
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Qtn_Jan_2023.xls
Verdict:
Malicious activity
Analysis date:
2023-07-03 08:12:54 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
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
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 control lolbin masquerade overlay packed shell32
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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:
Suspicious
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Antivirus detection for URL or domain
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
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:
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-07-03 04:32:03 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
cloudeye
Result
Malware family:
guloader
Score:
10/10
Tags:
family:formbook family:guloader campaign:au22 discovery downloader rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Checks QEMU agent file
Loads dropped DLL
Formbook payload
Formbook
Guloader,Cloudeye
Unpacked files
SH256 hash:
681382f3134de5c6272a49dd13651c8c201b89c247b471191496e7335702fa59
MD5 hash:
2ae993a2ffec0c137eb51c8832691bcb
SHA1 hash:
98e0b37b7c14890f8a599f35678af5e9435906e1
SH256 hash:
c14f03d40463a937c43d9e7717acc6c96c5b294c0d15a6431d09b5e3e2a76d45
MD5 hash:
7b039d47de748555460ddd62fad6cc12
SHA1 hash:
24d5d05fda9ceb49462fc4a0a03e7b8e97a1f9e5
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: | 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
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