MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 13199e42b39e183eea312c99eb0bb2cc697f925945b25a6e6dcc1550d4676a9d. 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: 14
| SHA256 hash: | 13199e42b39e183eea312c99eb0bb2cc697f925945b25a6e6dcc1550d4676a9d |
|---|---|
| SHA3-384 hash: | 235ec5a232f85abf5ad90f99af027b1577732d6aadaa2b81cbc514b8361f78ee750a731b7518f2b9622eb615e90f1309 |
| SHA1 hash: | ea1942c7e4104431863b56a1dc7414974f06a662 |
| MD5 hash: | 437618b22ef7ebb31d7bc51f23913e03 |
| humanhash: | texas-virginia-california-nuts |
| File name: | BANK DETAILS FOR PAYMENT.bat.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 397'924 bytes |
| First seen: | 2025-09-25 13:09:03 UTC |
| Last seen: | 2025-10-09 14:56:49 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 9a16e282eba7cc710070c0586c947693 (26 x GuLoader, 11 x VIPKeylogger, 7 x RemcosRAT) |
| ssdeep | 6144:S7rhz+6GCXZSuohwoKYloWAL7N4nql61ahufMvX4pOaz2QBRQjo5E8tI1wRwE06B:Yz+rC85loBLI1awfMvH7QUK58w26W+Z |
| TLSH | T1FE8423229191D877CE052B7043AF87FA0AF2AC1505674F625B80391DFD73192ED6AAF3 |
| 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 |  James_inthe_box |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
5
# of downloads :
147
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
73ed90f4-4436-4de1-8324-6d8b7c3f13e2.zip
Verdict:
Malicious activity
Analysis date:
2025-09-25 12:26:09 UTC
Tags:
arch-email attachments attc-arch arch-exec
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
70%
Tags:
injection obfusc blic
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Searching for the window
Creating a file
Delayed reading of the file
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole installer masquerade microsoft_visual_cc nsis overlay
Verdict:
Malicious
Labled as:
Malware_57.8
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-25T08:47:00Z UTC
Last seen:
2025-09-25T08:47:00Z UTC
Hits:
~10000
Detections:
Trojan.NSIS.Pakes.Krynis.sb Trojan-Downloader.Win32.Minix.sb Trojan.Win32.Guloader.sb Trojan.NSIS.Makoob.sbb Trojan.NSIS.Makoob.sba Packed.NSIS.Krynis.sb VHO:Trojan.Win32.GuLoader.dcx VHO:Trojan.Win32.GuLoader.gen Trojan.Win32.GuLoader.dcx
Verdict:
Unknown
Score:
97%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.GULOADER
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2025-09-25 11:42:22 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
14 of 24 (58.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader installer
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Loads dropped DLL
Guloader family
Guloader,Cloudeye
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
13199e42b39e183eea312c99eb0bb2cc697f925945b25a6e6dcc1550d4676a9d
MD5 hash:
437618b22ef7ebb31d7bc51f23913e03
SHA1 hash:
ea1942c7e4104431863b56a1dc7414974f06a662
SH256 hash:
68b17d8f988354adecd50d824568029ebd51d88293874ac2178cb49de2d763b7
MD5 hash:
4f2bc691e903d2cb134fb48a622df098
SHA1 hash:
25fb6367f42ece8251da055a9c318677e6786f25
SH256 hash:
7853be9190489ba84dae8232e9a967cec02d941732cb4137bc9ae6a392e89fb8
MD5 hash:
3fbd78c889fa40a2e5567b980c57b7db
SHA1 hash:
303564bfa6fd5ab7a65d35ae1cd14a05643b6b5d
SH256 hash:
a44ca08afb3f6bafd76aa35c259f3d599fe34f6f49ea5118626c1c1a540b0f03
MD5 hash:
81e268e27dbbcadbf116b5a9402195ab
SHA1 hash:
bd2b701b2e5e279786e179bceee2dc132a2afc37
Malware family:
GuLoader
Verdict:
Malicious
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: | CP_AllMal_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication |
| 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: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | Ins_NSIS_Buer_Nov_2020_1 |
|---|---|
| Author: | Arkbird_SOLG |
| Description: | Detect NSIS installer used for Buer loader |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| 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) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
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