MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 966fae15977591dcc0cbb59722997dcc6093e56c4de02f5b20644c4dfe05d2ea. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 966fae15977591dcc0cbb59722997dcc6093e56c4de02f5b20644c4dfe05d2ea
SHA3-384 hash: e6479073133e5b2f6b05ad30ddc70f5133ca95a1a7f2513d92f04b6805d3358fe78c28e458a7ad47c6b0846499173657
SHA1 hash: a7ef1a8074bdf09f3e92ef3ea22d058b3f1891b2
MD5 hash: 523bcca84b6d2aab6ccf5945b383dfe7
humanhash: victor-cat-oklahoma-massachusetts
File name:rFACTURA25-00897.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:594'712 bytes
First seen:2025-09-30 14:00:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (533 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 12288:5sGS2aCX21mFaDCigbr2QJODrTI08vP2CW9C9:57S2aCX21Qa2NbpJkT8vP2CW9C9
TLSH T16FC4F162E790B913D163457EA59792D1AA67BC20B763A67B37C0363FD8BD044C20B34B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
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) (4504/4/1)
Magika pebin
Reporter FXOLabs
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Roripa
Issuer:Roripa
Algorithm:sha256WithRSAEncryption
Valid from:2025-08-02T03:36:37Z
Valid to:2026-08-02T03:36:37Z
Serial number: a41426258f7bf87b8cd999c6ffb50a7ebc9821
Thumbprint Algorithm:SHA256
Thumbprint: 62539329cbfbf55847ab8c0869566354d370ce1bf58fd44ee4bcd5ac7032b8de
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
135
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rFACTURA25-00897.exe
Verdict:
Malicious activity
Analysis date:
2025-09-30 15:41:07 UTC
Tags:
evasion snake keylogger telegram stealer
Link:
https://app.any.run/tasks/b2a8230d-e728-41a4-b032-c6052e26370b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/29577/
Detection(s):
SecuriteInfo.com.Trojan.Multi.Generic.4c.11520.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68dbe2957d643f33eab8cf9e
Tags:
injection dropper virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole installer masquerade microsoft_visual_cc nsis overlay signed
Link:
https://www.filescan.io/uploads/68dbe290674d5fd6aa1138bd/reports/f9d1a089-6c73-4d18-a0b3-3d4c1cb04cf7/overview
Verdict:
Malicious
Labled as:
Malware_53.8
Link:
https://www.hybrid-analysis.com/sample/966fae15977591dcc0cbb59722997dcc6093e56c4de02f5b20644c4dfe05d2ea
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-30T07:02:00Z UTC
Last seen:
2025-09-30T07:02:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/966fae15977591dcc0cbb59722997dcc6093e56c4de02f5b20644c4dfe05d2ea/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dcd3ac4c-959f-404c-a3d1-bdc4cf3d0c55
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/966fae15977591dcc0cbb59722997dcc6093e56c4de02f5b20644c4dfe05d2ea
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/966fae15977591dcc0cbb59722997dcc6093e56c4de02f5b20644c4dfe05d2ea/
Verdict:
Malicious
Threat:
Family.SNAKE
Link:
https://tip.neiki.dev/file/966fae15977591dcc0cbb59722997dcc6093e56c4de02f5b20644c4dfe05d2ea
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2025-09-30 11:22:06 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=szx24fmxowi5zqglwwlsfgl5zrqjhzlmjxqc6wzamrge37qf2lva._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
error
GuLoader
Result
Malware family:
vipkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:vipkeylogger collection discovery keylogger spyware stealer
Link:
https://tria.ge/reports/250930-rbdsjaxxe1/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
VIPKeylogger
Vipkeylogger family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/525dd1a3-aac9-491f-bb0e-d050bf87b6f5
Unpacked files
SH256 hash:
966fae15977591dcc0cbb59722997dcc6093e56c4de02f5b20644c4dfe05d2ea
MD5 hash:
523bcca84b6d2aab6ccf5945b383dfe7
SHA1 hash:
a7ef1a8074bdf09f3e92ef3ea22d058b3f1891b2
Link:
https://www.unpac.me/results/3ed73e30-116c-4685-bc6f-8a85a86d7bfb/
SH256 hash:
1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172
MD5 hash:
466179e1c8ee8a1ff5e4427dbb6c4a01
SHA1 hash:
eb607467009074278e4bd50c7eab400e95ae48f7
Link:
https://www.unpac.me/results/3ed73e30-116c-4685-bc6f-8a85a86d7bfb/
SH256 hash:
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
MD5 hash:
0d7ad4f45dc6f5aa87f606d0331c6901
SHA1 hash:
48df0911f0484cbe2a8cdd5362140b63c41ee457
Link:
https://www.unpac.me/results/3ed73e30-116c-4685-bc6f-8a85a86d7bfb/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/966fae159775/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
Link:
https://yomi.yoroi.company/submissions/966fae15977591dcc0cbb59722997dcc6093e56c4de02f5b20644c4dfe05d2ea

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
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

GuLoader

Executable exe 966fae15977591dcc0cbb59722997dcc6093e56c4de02f5b20644c4dfe05d2ea

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29577/

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