MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 765df08e3251696e2b088a47a6ed3b9e350d23db3df8a9048b7098fd61ceb8b8. 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: | 765df08e3251696e2b088a47a6ed3b9e350d23db3df8a9048b7098fd61ceb8b8 |
|---|---|
| SHA3-384 hash: | 7204ac2d7fbbe3a928288f42f9da33dc1d5e7c69ffcb3c4646bcd9c68c2f55a4644a9eb0440629191eb76d5b7aea7891 |
| SHA1 hash: | ea169011a5c52286f0ef06df5747ac6ba49ae577 |
| MD5 hash: | 24e5c22dbdf8f4512c2b20ae38853db2 |
| humanhash: | delaware-ack-oscar-delaware |
| File name: | justificante de transferencia.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 479'032 bytes |
| First seen: | 2022-11-15 11:36:35 UTC |
| Last seen: | 2022-11-15 13:54:10 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki) |
| ssdeep | 12288:yb3ShsnrFqYxa2AP0anqSSF6UWQE/onCtVS:yb3girFqp2LaMWQE/A |
| Threatray | 4'792 similar samples on MalwareBazaar |
| TLSH | T1D7A423122B68A473E1B25336537BBA662BF9EC221752DB0F1311878C2F73F42591F256 |
| TrID | 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 16.4% (.EXE) Win64 Executable (generic) (10523/12/4) 10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.0% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-05-12T22:10:41Z |
| Valid to: | 2025-05-11T22:10:41Z |
| Serial number: | -3741ad5b6e40604a |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | ac8a276ef2541795615d1ba96c7de5dd3bafdf2707f233a0ac4877d0114dba84 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
justificante de transferencia.exe
Verdict:
Malicious activity
Analysis date:
2022-11-15 11:56:46 UTC
Tags:
guloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Delayed reading of the file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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.
Verdict:
Unknown
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.NSISInject
Status:
Malicious
First seen:
2022-11-08 08:16:49 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
15 of 26 (57.69%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 4'782 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Enumerates physical storage devices
Drops file in Windows directory
Loads dropped DLL
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SH256 hash:
765df08e3251696e2b088a47a6ed3b9e350d23db3df8a9048b7098fd61ceb8b8
MD5 hash:
24e5c22dbdf8f4512c2b20ae38853db2
SHA1 hash:
ea169011a5c52286f0ef06df5747ac6ba49ae577
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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