MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 dbdc7a54309f8bb86c7353ab7c8b83dc9605d056d208f2ddd0a5d0bc30c2867e. 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: | dbdc7a54309f8bb86c7353ab7c8b83dc9605d056d208f2ddd0a5d0bc30c2867e |
|---|---|
| SHA3-384 hash: | 21223c4fe7c386c2bc6c08c64b36279b2c4e7db8f2ae39326a62e2a34b6dfcfe3ed9bd100de6ded86ad0e15108299479 |
| SHA1 hash: | 9528b37a6468b467aebf0b6e88b12c571e051f2d |
| MD5 hash: | 7c7b04265e8358c6476ba7d2c75d54f3 |
| humanhash: | quebec-freddie-timing-beer |
| File name: | Fedex_statement_of_accounts_inv_03_25_2026_pdf.tar.xz.bat |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 311'672 bytes |
| First seen: | 2026-03-26 08:08:18 UTC |
| Last seen: | 2026-03-26 08:46:40 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f4639a0b3116c2cfc71144b88a929cfd (144 x GuLoader, 57 x Formbook, 46 x VIPKeylogger) |
| ssdeep | 6144:qfY+onJu5MLERA+gqqtj42BV6NS2BwS6eWbKiv0MlTekHSYdK:qfYFu5MLERA+Hg6NrBweW+2n63v |
| TLSH | T19964D002E614D3AAD661087834A3F36D6155ADD10DA8F5D6EA833F8E353134FAE0A73D |
| 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 | 20e0e0e0e8d0e878 (1 x GuLoader) |
| Reporter |  abuse_ch |
| Tags: | bat exe FedEx GuLoader |
Intelligence
File Origin
# of uploads :
2
# of downloads :
173
Origin country :
SEVendor Threat Intelligence
Malware configuration found for:
GuLoader
NSIS
Details
GuLoader
an XOR decryption key and an extracted component
GuLoader
a c2 URL, a useragent string, and a string XOR key
NSIS
extracted archive contents
Malware family:
n/a
ID:
1
File name:
Fedex_statement_of_accounts_inv_03_25_2026_pdf.tar.xz.bat
Verdict:
No threats detected
Analysis date:
2026-03-26 08:15:09 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Clean
Score:
89.3%
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a file
Searching for the window
Connection attempt
Creating a file in the %temp% subdirectories
Delayed reading of the file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
anti-debug blackhole installer installer installer-heuristic masquerade microsoft_visual_cc nsis soft-404
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-03-24T22:35:00Z UTC
Last seen:
2026-03-28T05:25:00Z UTC
Hits:
~10
Detections:
Trojan.NSIS.Makoob.sbb Trojan.NSIS.Makoob.sba HEUR:Trojan.Win32.Makoob.gen
Verdict:
Unknown
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Initial sample is a PE file and has a suspicious name
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected GuLoader
Behaviour
Behavior Graph:
Score:
91%
Verdict:
Malware
File Type:
PE
Gathering data
Verdict:
Malicious
Threat:
Trojan.NSIS.Makoob
Threat name:
Win32.Malware.Heuristic
Status:
Malicious
First seen:
2026-03-25 05:06:09 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
24 of 38 (63.16%)
Threat level:
2/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
discovery
Behaviour
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Checks installed software on the system
Loads dropped DLL
Unpacked files
SH256 hash:
89a82c4849c21dfe765052681e1fad02d2d7b13c8b5075880c52423dca72a912
MD5 hash:
b7d61f3f56abf7b7ff0d4e7da3ad783d
SHA1 hash:
15ab5219c0e77fd9652bc62ff390b8e6846c8e3e
SH256 hash:
23d618a0293c78ce00f7c6e6dd8b8923621da7dd1f63a070163ef4c0ec3033d6
MD5 hash:
192639861e3dc2dc5c08bb8f8c7260d5
SHA1 hash:
58d30e460609e22fa0098bc27d928b689ef9af78
SH256 hash:
dbdc7a54309f8bb86c7353ab7c8b83dc9605d056d208f2ddd0a5d0bc30c2867e
MD5 hash:
7c7b04265e8358c6476ba7d2c75d54f3
SHA1 hash:
9528b37a6468b467aebf0b6e88b12c571e051f2d
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: | Detect_NSIS_Nullsoft_Installer |
|---|---|
| Author: | Obscurity Labs LLC |
| Description: | Detects NSIS installers by .ndata section + NSIS header string |
| 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.
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