MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 754016da93b35b51d4abbbcec0bf4ff6e9670109a2b5ecbdbe04f010a7843539. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: 754016da93b35b51d4abbbcec0bf4ff6e9670109a2b5ecbdbe04f010a7843539
SHA3-384 hash: 8a7dc3adf2ab5abdc459be7ec80356328d0c596bf88fca2598888a219c4802d003f6de5e4b8d0ebf1fa81752ee874ec5
SHA1 hash: b230bc94a0912260edfde2792d0f313c939275e4
MD5 hash: e29e1186f96593a93d0cefc47e93c712
humanhash: stairway-social-saturn-lake
File name:SecuriteInfo.com.Gen.Variant.Nemesis.47590.23542.31651
Download: download sample
Signature GuLoader
File size:1'204'373 bytes
First seen:2026-04-15 07:37:41 UTC
Last seen:2026-05-04 12:10:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e2f3f8ec66b7e1900c37978aca89d3c5 (22 x GuLoader, 6 x RemcosRAT, 4 x AgentTesla)
ssdeep 24576:05+Zlc33R8mRqn2moyLjJp2hJ0Su/gP3I2GIZxgQbtOH5Pg6MskE6fIZL0tqFU:Q3RDRqn2QLjJcz0S+wqCypg/s2QuqFU
TLSH T1C44533057170C1F3DE2211B207FABE761FB7A019729C0DE39784CB1BD52E68A1E0B969
TrID 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win64 Executable (generic) (6522/11/2)
8.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon c4dadadad2f492c2 (138 x GuLoader, 49 x RemcosRAT, 23 x VIPKeylogger)
Reporter SecuriteInfoCom
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
5
# of downloads :
164
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Gen.Variant.Nemesis.47590.23542.31651
Verdict:
Malicious activity
Analysis date:
2026-04-15 07:40:36 UTC
Tags:
netreactor stealer purehvnc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
70%
Tags:
injection obfusc blic
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file
Delayed reading of the file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug fingerprint installer installer installer-heuristic microsoft_visual_cc nemesis nsis soft-404 unsafe
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-14T14:13:00Z UTC
Last seen:
2026-04-17T05:13:00Z UTC
Hits:
~1000
Gathering data
Threat name:
Win32.Trojan.Qwexlafiba
Status:
Malicious
First seen:
2026-04-15 05:28:48 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader collection discovery downloader installer spyware stealer
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Time Discovery
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Contacts third-party web service commonly abused for C2
Drops startup file
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Family: Guloader,Cloudeye
Unpacked files
SH256 hash:
754016da93b35b51d4abbbcec0bf4ff6e9670109a2b5ecbdbe04f010a7843539
MD5 hash:
e29e1186f96593a93d0cefc47e93c712
SHA1 hash:
b230bc94a0912260edfde2792d0f313c939275e4
SH256 hash:
a44ca08afb3f6bafd76aa35c259f3d599fe34f6f49ea5118626c1c1a540b0f03
MD5 hash:
81e268e27dbbcadbf116b5a9402195ab
SHA1 hash:
bd2b701b2e5e279786e179bceee2dc132a2afc37
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
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information


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

Comments