MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11f15597d4147551dd935b1061313e7e96d79473e2d3229326c7cd0a0523164b. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 11f15597d4147551dd935b1061313e7e96d79473e2d3229326c7cd0a0523164b
SHA3-384 hash: 450bc01d5a8d05b24fa336df1a73a4ee82d1ee2cb7e4debd9b7fe7f85e8b36bd451c667d2b96f42de23f007659c718bc
SHA1 hash: 08e1739c0682f0845c2830c959a97a73b46bf59c
MD5 hash: 5981a0f37dccd6c842d9f93d49730ed7
humanhash: single-beryllium-chicken-high
File name:5981a0f37dccd6c842d9f93d49730ed7.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:775'392 bytes
First seen:2023-02-15 15:24:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f23f452093b5c1ff091a2f9fb4fa3e9 (274 x GuLoader, 36 x RemcosRAT, 23 x AgentTesla)
ssdeep 12288:JnTfUdK42222222222222222222222222222222r22222222222222222222222L:RTfUdK42222222222222222222222227
TLSH T1ACF47E321911D687F61A18F2F82580F01C91F4FDB09F347EF1A4AB1D479AB91836EE5A
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):PE icon
dhash icon cc92b2b2b2aa8af0 (1 x GuLoader)
Reporter abuse_ch
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Noninterventionists
Issuer:Noninterventionists
Algorithm:sha256WithRSAEncryption
Valid from:2023-02-15T09:56:06Z
Valid to:2026-02-14T09:56:06Z
Serial number: 5fcd8398433d06e0
Thumbprint Algorithm:SHA256
Thumbprint: 0cea05939acf0dc4dd41316df52ecdef510b3a67e8c1fdc26357e3f82312c148
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5981a0f37dccd6c842d9f93d49730ed7.exe
Verdict:
Malicious activity
Analysis date:
2023-02-15 15:35:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9cef1835-3553-44ca-8d19-271ba5ddda0f

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/366730/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file
Delayed reading of the file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/70431/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63ecf951e897c0c33ceb9950/reports/3ccf687f-1e1a-487e-a104-9e7bdb1d1d2e/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/11f15597d4147551dd935b1061313e7e96d79473e2d3229326c7cd0a0523164b
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
Link:
https://analyze.intezer.com/analyses/a7f12682-7bc3-44d5-aa8b-fa30e02aa5d7
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1176084
Behaviour
Behavior Graph:
n/a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/11f15597d4147551dd935b1061313e7e96d79473e2d3229326c7cd0a0523164b/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Suspicious
First seen:
2023-02-15 15:25:09 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
7 of 25 (28.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=chyvlf6ucr2vdxmtlmigcmj6p2lnpfdt4ljsfezgy7gqubjdczfq._file
Verdict:
malicious
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader persistence
Link:
https://tria.ge/reports/230215-stlrjacc3w/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
MD5 hash:
9625d5b1754bc4ff29281d415d27a0fd
SHA1 hash:
80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
Link:
https://www.unpac.me/results/6bebe587-7380-4740-b888-c72567e4ff18/
SH256 hash:
11f15597d4147551dd935b1061313e7e96d79473e2d3229326c7cd0a0523164b
MD5 hash:
5981a0f37dccd6c842d9f93d49730ed7
SHA1 hash:
08e1739c0682f0845c2830c959a97a73b46bf59c
Link:
https://www.unpac.me/results/6bebe587-7380-4740-b888-c72567e4ff18/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/11f15597d4147551dd935b1061313e7e96d79473e2d3229326c7cd0a0523164b

File information

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

Web download

GuLoader

Executable exe 11f15597d4147551dd935b1061313e7e96d79473e2d3229326c7cd0a0523164b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2407806/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/366730/

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