MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3c49ef8a8afc483a1e5a58dc76cb46edfa4316561bf2265b323c9f6f572fd447. 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
| SHA256 hash: | 3c49ef8a8afc483a1e5a58dc76cb46edfa4316561bf2265b323c9f6f572fd447 |
|---|---|
| SHA3-384 hash: | dab03dc57bc7ebdbc618186dfddaa1f7a124915c230c048b5421092627a517200fc1a1d7513fbafa4e1f423e14631e43 |
| SHA1 hash: | f31651f85365c8fcccb004cbfbd89b5c84453842 |
| MD5 hash: | bde54f831a79aae0a9e39c446e5afe5d |
| humanhash: | berlin-summer-july-beryllium |
| File name: | 3c49ef8a8afc483a1e5a58dc76cb46edfa4316561bf2265b323c9f6f572fd447 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 333'128 bytes |
| First seen: | 2023-04-04 13:19:23 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 6e7f9a29f2c85394521a08b9f31f6275 (278 x GuLoader, 44 x RemcosRAT, 40 x VIPKeylogger) |
| ssdeep | 6144:6T4DtKpxovz+RYY+uRR04v9rlg3hXrRdqNPC9ESbucKYgqjTGM:6TDpxA+RAuo4v9rlg3cAtuZC |
| Threatray | 1'472 similar samples on MalwareBazaar |
| TLSH | T1F664F1A3A3E0EE17E07D4F36353482B6D7EE5A58342199D74360254DDF723839E6B20A |
| 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 | 8cc03489b3dada23 (2 x GuLoader) |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-08-15T07:57:18Z |
| Valid to: | 2025-08-14T07:57:18Z |
| Serial number: | 6b1d9fee249e8a45ad9870898b56688874deb872 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 43b7e96149dc8fd7ca5bfe6fa6d18aa00cd2baf9a2bc4e3ebc007532d970a6ae |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
255
Origin country :
HUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3c49ef8a8afc483a1e5a58dc76cb46edfa4316561bf2265b323c9f6f572fd447
Verdict:
Malicious activity
Analysis date:
2023-04-04 13:18:54 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 window
Creating a file
Searching for the window
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:
guloader icedid overlay packed shell32.dll
Verdict:
Malicious
Labled as:
Trojan.Generic
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
May check the online IP address of the machine
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-03-29 10:05:26 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
15 of 24 (62.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 1'462 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:agenttesla family:guloader discovery downloader keylogger spyware stealer trojan
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Looks up external IP address via web service
Checks QEMU agent file
Loads dropped DLL
AgentTesla
Guloader,Cloudeye
Unpacked files
SH256 hash:
7a9ddee34562cd3703f1502b5c70e99cd5bba15de2b6845a3555033d7f6cb2a5
MD5 hash:
564bb0373067e1785cba7e4c24aab4bf
SHA1 hash:
7c9416a01d821b10b2eef97b80899d24014d6fc1
SH256 hash:
3c49ef8a8afc483a1e5a58dc76cb46edfa4316561bf2265b323c9f6f572fd447
MD5 hash:
bde54f831a79aae0a9e39c446e5afe5d
SHA1 hash:
f31651f85365c8fcccb004cbfbd89b5c84453842
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: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | Suspicious_Macro_Presence |
|---|---|
| Author: | Mehmet Ali Kerimoglu (CYB3RMX) |
| Description: | This rule detects common malicious/suspicious implementations. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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