MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fd8041671d2c1c0fbd0a5150cbe98a4cde0c437efb56c6b5a0d90f279a38d811. 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: 7
| SHA256 hash: | fd8041671d2c1c0fbd0a5150cbe98a4cde0c437efb56c6b5a0d90f279a38d811 |
|---|---|
| SHA3-384 hash: | c87335cbfab389f57c00e025e2899c7dc8c95ae0e04af3dc46c76c748c5740e093be6088c4989826c0acf35d70e6f4fb |
| SHA1 hash: | 36a43d564b313bdf3edfa22b8405188491accc52 |
| MD5 hash: | 62224343e692daf39da2047e1386ef34 |
| humanhash: | lima-gee-delaware-edward |
| File name: | copia de la transferencia.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 834'640 bytes |
| First seen: | 2023-07-26 14:48:58 UTC |
| Last seen: | 2023-07-26 17:47:50 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1f23f452093b5c1ff091a2f9fb4fa3e9 (276 x GuLoader, 37 x RemcosRAT, 23 x AgentTesla) |
| ssdeep | 12288:dIkdkz6kw3kfkVxkUxkekKkpkRqkwk+kTkZkJkDkqkzkAkkYkk/ck7kAkkPkkjku:dg3MRT3FSf4hAtjaTw0mYgjl1tD |
| Threatray | 1'015 similar samples on MalwareBazaar |
| TLSH | T1B4059E772AC0C7EACFB1BDB2792B48787B666E7B51545457338033C90BF65A39832602 |
| 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 | e00cfce6bee0c00c (6 x GuLoader) |
| Reporter |  James_inthe_box |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-11-11T05:54:03Z |
| Valid to: | 2025-11-10T05:54:03Z |
| Serial number: | 6d818685a73548a39a186efea45cc1f4dba3c6f7 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 9d1f7339a7d2ee27f08dcc926fd0b7320eec1c0c20ffdbb1d63b6ddb84cd58a9 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
273
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
copia de la transferencia.exe
Verdict:
Malicious activity
Analysis date:
2023-07-26 14:49:50 UTC
Tags:
n/a
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 file in the %temp% directory
Creating a file
Delayed reading of the file
Sending a custom TCP request
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
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:
GuLoader, FormBook
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
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 steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-07-26 14:47:52 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 1'005 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
discovery
Behaviour
Enumerates physical storage devices
Checks installed software on the system
Loads dropped DLL
Unpacked files
SH256 hash:
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
MD5 hash:
75ed96254fbf894e42058062b4b4f0d1
SHA1 hash:
996503f1383b49021eb3427bc28d13b5bbd11977
SH256 hash:
fd8041671d2c1c0fbd0a5150cbe98a4cde0c437efb56c6b5a0d90f279a38d811
MD5 hash:
62224343e692daf39da2047e1386ef34
SHA1 hash:
36a43d564b313bdf3edfa22b8405188491accc52
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Delivery method
Other
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