MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 68deb452c9e483d55be8549e72c4cdf0ae22f722e630d8db198381587e7d320f. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 68deb452c9e483d55be8549e72c4cdf0ae22f722e630d8db198381587e7d320f
SHA3-384 hash: fb149e7a17a99453bb50783f923b18e4ee421f91ba1f29a6f2b0f8314530f04261e166233e955ca248a891e8c835d827
SHA1 hash: f37144261acd33b6e630a5105308314948e5978f
MD5 hash: d286d95f202683e96ef2995c0f6e0bdc
humanhash: comet-west-mirror-louisiana
File name:rPrestigiously.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:646'976 bytes
First seen:2023-03-29 15:12:35 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:WrAECNVkTx1QgQ60auD+1berjYCc5sa0eytrbLDrD:WrAECkTd05D+1yrOmeytjr
TLSH T155D4C050D298ACE6D40B31B6BC3DE921250BAF1F97B8081A376A7D167673343346AD1F
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 f6c6c6ccd8e298e8 (7 x GuLoader, 1 x AgentTesla, 1 x Formbook)
Reporter FXOLabs
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-02-05T03:43:05Z
Valid to:2026-02-04T03:43:05Z
Serial number: 4078f7734177b7211cff0d33a185c2892e1afbac
Thumbprint Algorithm:SHA256
Thumbprint: 228c8f9a753727e754baf4adc0bf09a2ec0dcb36b3ba04adf58e43ce3b65408e
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
guloader
Create hunting rule
ID:
1
File name:
af6a5380-5f1b-87c3-a9c6-38b639e14bb5.eml
Verdict:
Malicious activity
Analysis date:
2023-03-29 14:16:18 UTC
Tags:
guloader
Link:
https://app.any.run/tasks/10e3f398-4704-48f3-bd5d-0623d191b0f2

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/378500/
Detection(s):
SecuriteInfo.com.FileRepMalwareMisc.20789.18575.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
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/75613/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook guloader icedid overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6424557f84fe7631c302c6a8/reports/b85a82b4-ef2c-4e43-b373-624b5b2bc955/overview
Verdict:
Malicious
Labled as:
Tedy.Generic
Link:
https://www.hybrid-analysis.com/sample/68deb452c9e483d55be8549e72c4cdf0ae22f722e630d8db198381587e7d320f
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:
Malicious
Link:
https://analyze.intezer.com/analyses/fb18d3d6-c212-4604-b211-3cca6fa91549
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.evad.spyw
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1204423
Signature
Found potential ransomware demand text
Multi AV Scanner detection for submitted file
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 837337 Sample: rPrestigiously.exe Startdate: 29/03/2023 Architecture: WINDOWS Score: 96 27 googlehosted.l.googleusercontent.com 2->27 29 drive.google.com 2->29 31 doc-04-c8-docs.googleusercontent.com 2->31 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected GuLoader 2->39 41 Yara detected AgentTesla 2->41 43 2 other signatures 2->43 8 rPrestigiously.exe 2 34 2->8         started        signatures3 process4 file5 19 C:\Users\user\AppData\Local\...\System.dll, PE32 8->19 dropped 21 C:\Users\user\AppData\...\libgioopenssl.dll, PE32+ 8->21 dropped 23 C:\Users\user\AppData\Local\...\dwdcw20.dll, PE32 8->23 dropped 25 2 other files (none is malicious) 8->25 dropped 11 CasPol.exe 11 8->11         started        15 CasPol.exe 8->15         started        process6 dnsIp7 33 googlehosted.l.googleusercontent.com 142.250.186.97, 443, 49845 GOOGLEUS United States 11->33 35 drive.google.com 142.250.74.206, 443, 49844 GOOGLEUS United States 11->35 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file / registry access) 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 51 Tries to detect Any.run 11->51 17 conhost.exe 11->17         started        53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->55 signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/68deb452c9e483d55be8549e72c4cdf0ae22f722e630d8db198381587e7d320f/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-03-29 10:49:47 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ndpliuwj4sb5kw7iksphfrgn6cxcf5zc4yynrwyzqoavq7t5gihq._file
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:guloader collection downloader keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230329-slqqhsad6t/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Loads dropped DLL
AgentTesla
Guloader,Cloudeye
Unpacked files
SH256 hash:
c2f405d7402f815d0c3fadd9a50f0bbbb1bab9aa38fe347823478a2587299448
MD5 hash:
9625d5b1754bc4ff29281d415d27a0fd
SHA1 hash:
80e85afc5cccd4c0a3775edbb90595a1a59f5ce0
Link:
https://www.unpac.me/results/082771b8-8db6-435b-8ec6-2587384e8443/
SH256 hash:
13674c90d4c98376d509beb8e81e61daba16d6c66492238746777ff88cd1d6a5
MD5 hash:
6e6d146807eeb6c2b0d0349a3b6157ad
SHA1 hash:
5eeff5fc7e5a269a33f5f110e766af66230c4bbe
Link:
https://www.unpac.me/results/082771b8-8db6-435b-8ec6-2587384e8443/
SH256 hash:
a96653721cca1c813b7ce313ff50015b06e6ac95cca14f0e83c7b72bfc35959b
MD5 hash:
553078c22fab4d8643fb877a4846553b
SHA1 hash:
269b14ff3c7c89f348a6d64d3c39899dfb2a8e2a
Link:
https://www.unpac.me/results/082771b8-8db6-435b-8ec6-2587384e8443/
SH256 hash:
68deb452c9e483d55be8549e72c4cdf0ae22f722e630d8db198381587e7d320f
MD5 hash:
d286d95f202683e96ef2995c0f6e0bdc
SHA1 hash:
f37144261acd33b6e630a5105308314948e5978f
Link:
https://www.unpac.me/results/082771b8-8db6-435b-8ec6-2587384e8443/
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/68deb452c9e483d55be8549e72c4cdf0ae22f722e630d8db198381587e7d320f

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.

Malspam

GuLoader

Executable exe 68deb452c9e483d55be8549e72c4cdf0ae22f722e630d8db198381587e7d320f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/378500/

Comments