MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 111a45f0fa41697d3c89bf6f7088c3e8bca5b6c89fdd1a50060c9b7bcf8f90fc. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 111a45f0fa41697d3c89bf6f7088c3e8bca5b6c89fdd1a50060c9b7bcf8f90fc
SHA3-384 hash: e1e835300267f177a509e56be547f6ced88ad19e29ab9b9fd0eb467676c0c26f5171edd922fcf032339e59f48f3c61b6
SHA1 hash: a1ad93f7b1b2f82378277b06db371c2bef3e4ca1
MD5 hash: 254dcf8e6ca9ac082d7d01c30d497b67
humanhash: bakerloo-queen-kansas-single
File name:credit_note_20230327.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:572'776 bytes
First seen:2023-03-29 07:02:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6e7f9a29f2c85394521a08b9f31f6275 (278 x GuLoader, 44 x RemcosRAT, 40 x VIPKeylogger)
ssdeep 12288:kTMY1ltUnHhjlcmPlNAgY3blLwhLwK8WET:kThtejlcEtY3bZwt8Wm
TLSH T197C4E1C3A0B0DBE6DC6C903955024423579ABF25B5F8DA127BBB3209B4F1095C63B7A7
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)
Reporter Anonymous
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-03-02T00:58:44Z
Valid to:2026-03-01T00:58:44Z
Serial number: 45100b657064b22d64f7066d52cbd54b61ace180
Thumbprint Algorithm:SHA256
Thumbprint: 660a76f185c5aa86473b4ed6ff8a11aa7b090a492155204ae38ad7b6e26d0f23
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
236
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
credit_note_20230327.img
Verdict:
Malicious activity
Analysis date:
2023-03-28 12:05:07 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7ae51a1a-8480-412f-861c-7447d82e4a28

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/378394/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file
Delayed reading of the file
Sending a custom TCP request
Creating a file in the %temp% subdirectories
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/75567/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
guloader icedid overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6423e2a784fe7631c302ac8c/reports/b3355110-069b-41b1-a425-eec88b5a2a7b/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/111a45f0fa41697d3c89bf6f7088c3e8bca5b6c89fdd1a50060c9b7bcf8f90fc
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/d6dd9197-6af9-4a46-8411-f0c1ded6fb00
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
evad.troj
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1204079
Signature
Hides threads from debuggers
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Opens the same file many times (likely Sandbox evasion)
Tries to detect Any.run
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/111a45f0fa41697d3c89bf6f7088c3e8bca5b6c89fdd1a50060c9b7bcf8f90fc/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-03-28 04:34:13 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cenel4h2ifux2pejx5xxbcgd5c6klnwit7oruuagbsnxxt4psd6a._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230329-hvcvxafb74/
Behaviour
Modifies system certificate store
Suspicious behavior: MapViewOfSection
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
Checks QEMU agent file
Loads dropped DLL
Unpacked files
SH256 hash:
b7823a15e7b1866ba3d77248f750b66505859d264cfc39d8c8c5e812f8ae4a81
MD5 hash:
a1da6788aeaf78ca4ae1dece8019e49d
SHA1 hash:
d770155e6e9aa69223be198c44a8da26a1756d89
Link:
https://www.unpac.me/results/39469475-7095-4e39-9dc7-5faebde56a13/
SH256 hash:
111a45f0fa41697d3c89bf6f7088c3e8bca5b6c89fdd1a50060c9b7bcf8f90fc
MD5 hash:
254dcf8e6ca9ac082d7d01c30d497b67
SHA1 hash:
a1ad93f7b1b2f82378277b06db371c2bef3e4ca1
Link:
https://www.unpac.me/results/39469475-7095-4e39-9dc7-5faebde56a13/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/111a45f0fa41/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/111a45f0fa41697d3c89bf6f7088c3e8bca5b6c89fdd1a50060c9b7bcf8f90fc

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
Create hunting rule
Author:albertzsigovits

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/378394/

Comments