MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e45ecc5d1e5fa528a07ce81a2996b2f52834893ce068bc8a8947c635e2d050ff. 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: | e45ecc5d1e5fa528a07ce81a2996b2f52834893ce068bc8a8947c635e2d050ff |
|---|---|
| SHA3-384 hash: | b6b25e4636017c94b9b195df3a661b4ddab01eb507a7dc16116f9f021f9c63d97ee1ea453bcee946ceff187ff2aa3dde |
| SHA1 hash: | 58bda23b2a3c1a950b3410639c4374422b29df5e |
| MD5 hash: | b465ea9d88b7641d80d9276ce45dd2fc |
| humanhash: | uniform-summer-blossom-nuts |
| File name: | e45ecc5d1e5fa528a07ce81a2996b2f52834893ce068bc8a8947c635e2d050ff |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 902'944 bytes |
| First seen: | 2026-03-06 14:38:24 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b34f154ec913d2d2c435cbd644e91687 (592 x GuLoader, 130 x RemcosRAT, 84 x EpsilonStealer) |
| ssdeep | 24576:rHO/MdQqxo6tCWdBz6kqd43jbz1HVkMIwSqLbBYNGx:rHO/uUWdBGzKb0wSqp9x |
| TLSH | T1031512601B45648FE0930C75ADF23776E7A49E663368C3827AD0B958BD3B3468F583C6 |
| 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 |
| Reporter |  adrian__luca |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Squelcher |
|---|---|
| Issuer: | Squelcher |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2026-01-02T06:35:54Z |
| Valid to: | 2027-01-02T06:35:54Z |
| Serial number: | 70dfedd4849812e9f6ae5fd6989b142065b5f255 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 90c6d11fac62b85ef575d2938e8a73441bf34457f20a414150b7cddd2912d85f |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
90
Origin country :
HUVendor 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:
e45ecc5d1e5fa528a07ce81a2996b2f52834893ce068bc8a8947c635e2d050ff
Verdict:
Malicious activity
Analysis date:
2026-03-06 14:46:56 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Detection(s):
Verdict:
Malicious
Score:
90.2%
Tags:
injection obfusc virus
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-02-11T21:15:00Z UTC
Last seen:
2026-02-13T16:14:00Z UTC
Hits:
~10000
Malware family:
Unlabeled
Verdict:
Unknown
Score:
93%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2026-02-12 00:53:40 UTC
File Type:
PE (Exe)
Extracted files:
47
AV detection:
20 of 36 (55.56%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
guloader
Score:
10/10
Tags:
family:darkcloud family:guloader discovery downloader stealer
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Contacts third-party web service commonly abused for C2
Loads dropped DLL
DarkCloud
Darkcloud family
Guloader family
Guloader,Cloudeye
Unpacked files
SH256 hash:
86c8ee210e6611383a634dcb8c60455063ddae3d7adccbeacf3adf7bf2a46676
MD5 hash:
d2e45dd852a659e11897df573832f381
SHA1 hash:
19990ee627c95b6c18d3b5c5f0ec5c24791d0af5
SH256 hash:
c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
MD5 hash:
9625d5b1754bc4ff29281d415d27a0fd
SHA1 hash:
80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
SH256 hash:
e45ecc5d1e5fa528a07ce81a2996b2f52834893ce068bc8a8947c635e2d050ff
MD5 hash:
b465ea9d88b7641d80d9276ce45dd2fc
SHA1 hash:
58bda23b2a3c1a950b3410639c4374422b29df5e
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: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | Detect_NSIS_Nullsoft_Installer |
|---|---|
| Author: | Obscurity Labs LLC |
| Description: | Detects NSIS installers by .ndata section + NSIS header string |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| Rule name: | telebot_framework |
|---|---|
| Author: | vietdx.mb |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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