MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d2045fadae1c87f19a4cf37b9f42713eaa4184c6987b236b50ec73558b62bdb. 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

SHA256 hash: 3d2045fadae1c87f19a4cf37b9f42713eaa4184c6987b236b50ec73558b62bdb
SHA3-384 hash: d8d704cc7ca2dba4534158897f66f629b8306a9fea8c48921f2880334bcc7cb38b46029691ed4937871c5cf10ca8f9a9
SHA1 hash: 34562b750e9aba87b5e896794dccd75fff1386c2
MD5 hash: ef7d92346647bcc962eff525f590a15c
humanhash: cup-eighteen-kentucky-grey
File name:Wyciag_26_08102045800000190201217926.exe
Download: download sample
Signature GuLoader
File size:974'496 bytes
First seen:2022-04-15 07:07:40 UTC
Last seen:2022-04-20 10:24:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (730 x GuLoader, 452 x Formbook, 295 x Loki)
ssdeep 24576:IbNRBSuOKgjb8kZUpX9dfscbWGq+o1epzi:CQuOKgR0XjEcY+Kyzi
Threatray 2'136 similar samples on MalwareBazaar
TLSH T15325235012768967E9329370497CA7FB9FB99300532CAE1F5338350AEF262936D2F64D
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:CHEFINGENIREN
Issuer:CHEFINGENIREN
Algorithm:sha256WithRSAEncryption
Valid from:2022-04-14T09:19:52Z
Valid to:2023-04-14T09:19:52Z
Serial number: 00
Intelligence: 326 malware samples on MalwareBazaar are signed with this code signing certificate
Cert Graveyard Blocklist:This certificate is on the Cert Graveyard blocklist
Thumbprint Algorithm:SHA256
Thumbprint: c6d010bd5b6224345fa301417b4818af569fd408f3e8171ab28c7bef9b4c089a
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
392
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Wyciag_26_08102045800000190201217926.exe
Verdict:
Malicious activity
Analysis date:
2022-04-15 07:39:55 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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.
Result
Threat name:
AgentTesla GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides threads from debuggers
Multi AV Scanner detection for submitted file
NDIS Filter Driver detected (likely used to intercept and sniff network traffic)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 609814 Sample: Wyciag_26_08102045800000190... Startdate: 15/04/2022 Architecture: WINDOWS Score: 100 26 mail.ferdi.hu 2->26 28 googlehosted.l.googleusercontent.com 2->28 30 4 other IPs or domains 2->30 38 Found malware configuration 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 Yara detected GuLoader 2->42 44 4 other signatures 2->44 8 Wyciag_26_08102045800000190201217926.exe 30 2->8         started        signatures3 process4 file5 18 C:\Users\user\AppData\Local\...\System.dll, PE32 8->18 dropped 20 C:\Users\user\AppData\...\fzshellext.dll, PE32 8->20 dropped 22 C:\Users\...\System.Xml.Serialization.dll, PE32 8->22 dropped 24 3 other files (none is malicious) 8->24 dropped 46 Writes to foreign memory regions 8->46 48 Tries to detect Any.run 8->48 50 Hides threads from debuggers 8->50 12 CasPol.exe 11 8->12         started        signatures6 process7 dnsIp8 32 mail.ferdi.hu 185.51.191.23, 49763, 587 TARHELYHU Hungary 12->32 34 googlehosted.l.googleusercontent.com 142.250.181.225, 443, 49761 GOOGLEUS United States 12->34 36 drive.google.com 172.217.23.110, 443, 49760 GOOGLEUS United States 12->36 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->52 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->54 56 Tries to steal Mail credentials (via file / registry access) 12->56 58 5 other signatures 12->58 16 conhost.exe 12->16         started        signatures9 process10
Threat name:
Win32.Downloader.GuLoader
Status:
Malicious
First seen:
2022-04-14 21:36:28 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
16 of 26 (61.54%)
Threat level:
  3/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader downloader
Behaviour
Enumerates physical storage devices
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SH256 hash:
3d2045fadae1c87f19a4cf37b9f42713eaa4184c6987b236b50ec73558b62bdb
MD5 hash:
ef7d92346647bcc962eff525f590a15c
SHA1 hash:
34562b750e9aba87b5e896794dccd75fff1386c2
Please note that we are no longer able to provide a coverage score for Virus Total.

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:t0_1

File information


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

Comments