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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13aff32d406cc69ef562a03cec20758643def6ea17d18119b14178ef10bd8cd8. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 13aff32d406cc69ef562a03cec20758643def6ea17d18119b14178ef10bd8cd8
SHA3-384 hash: d640e5a870555c10dcac8fddf827288207273a42d4703ea58071d8153560d4776553798590e2c68c8e5b2fef9a403f50
SHA1 hash: 625143da87ca83951f0d4dbf105eceffc1e656dd
MD5 hash: e5000904f4433231fd060b5d1857b588
humanhash: black-don-three-north
File name:Gusseted.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:548'456 bytes
First seen:2023-11-13 18:48:10 UTC
Last seen:2023-11-13 20:54:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f23f452093b5c1ff091a2f9fb4fa3e9 (303 x GuLoader, 47 x AgentTesla, 47 x RemcosRAT)
ssdeep 12288:xImEcvtDAQ6RSLoyjcqCS6tplPR4a42aT4:xpVvNJ6RujcL9EKB
TLSH T10EC402D87B968572C473CA33DF52AED2AF204E961DD8DED35501620B3737E809C0AA67
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 smica83
Tags:AZORult exe GuLoader HUN signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-01-27T01:07:04Z
Valid to:2026-01-26T01:07:04Z
Serial number: 447ad361a582a48644ca0429d0379c129fb1369e
Thumbprint Algorithm:SHA256
Thumbprint: 1c4683c890b334098f89389af865a2ae10223ba88acfcddeb98d142b5d084487
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
387
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/458412/
Detection(s):
SecuriteInfo.com.W32.Trojan.HCDH-1752.24180.981.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Searching for the window
Gathering data
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/13aff32d406cc69ef562a03cec20758643def6ea17d18119b14178ef10bd8cd8
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/9307c113-0eda-46c0-a731-1deb05281aab
Result
Threat name:
Azorult, GuLoader
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1341924
Signature
Antivirus detection for URL or domain
Found suspicious powershell code related to unpacking or dynamic code loading
Maps a DLL or memory area into another process
Powershell drops PE file
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to harvest and steal Bitcoin Wallet information
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 Crypto Currency Wallets
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Azorult
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1341924 Sample: Gusseted.exe Startdate: 13/11/2023 Architecture: WINDOWS Score: 100 43 lqr1.shop 2->43 45 coinnbaservgloalpha.grgurina.com 2->45 55 Snort IDS alert for network traffic 2->55 57 Antivirus detection for URL or domain 2->57 59 Yara detected GuLoader 2->59 61 Yara detected Azorult 2->61 10 Gusseted.exe 1 34 2->10         started        signatures3 process4 process5 12 powershell.exe 20 10->12         started        file6 37 C:\Users\user\AppData\Local\...behaviorgraphusseted.exe, PE32 12->37 dropped 63 Writes to foreign memory regions 12->63 65 Maps a DLL or memory area into another process 12->65 67 Found suspicious powershell code related to unpacking or dynamic code loading 12->67 69 Powershell drops PE file 12->69 16 Gusseted.exe 63 12->16         started        21 conhost.exe 12->21         started        signatures7 process8 dnsIp9 39 lqr1.shop 172.67.197.215, 49739, 49740, 80 CLOUDFLARENETUS United States 16->39 41 coinnbaservgloalpha.grgurina.com 199.204.248.133, 443, 49738 AS17054US United States 16->41 29 C:\Users\user\AppData\...\vcruntime140.dll, PE32 16->29 dropped 31 C:\Users\user\AppData\Local\...\ucrtbase.dll, PE32 16->31 dropped 33 C:\Users\user\AppData\Local\...\softokn3.dll, PE32 16->33 dropped 35 45 other files (none is malicious) 16->35 dropped 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->47 49 Tries to steal Instant Messenger accounts or passwords 16->49 51 Tries to steal Mail credentials (via file / registry access) 16->51 53 5 other signatures 16->53 23 cmd.exe 1 16->23         started        file10 signatures11 process12 process13 25 conhost.exe 23->25         started        27 timeout.exe 1 23->27         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/13aff32d406cc69ef562a03cec20758643def6ea17d18119b14178ef10bd8cd8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/13aff32d406cc69ef562a03cec20758643def6ea17d18119b14178ef10bd8cd8/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-11-13 10:57:58 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cox7glkantdj55lcua6oyidvqzb555xkc7iycgnrif4o6ef5rtma._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Result
Malware family:
azorult
Create hunting rule
Score:
  10/10
Tags:
family:azorult collection discovery infostealer spyware stealer trojan
Link:
https://tria.ge/reports/231113-xgbg9aee4t/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads data files stored by FTP clients
Reads local data of messenger clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Azorult
Unpacked files
SH256 hash:
13aff32d406cc69ef562a03cec20758643def6ea17d18119b14178ef10bd8cd8
MD5 hash:
e5000904f4433231fd060b5d1857b588
SHA1 hash:
625143da87ca83951f0d4dbf105eceffc1e656dd
Link:
https://www.unpac.me/results/6cd98ce0-b875-408a-ab05-f850cd4bb2e2/
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/13aff32d406cc69ef562a03cec20758643def6ea17d18119b14178ef10bd8cd8

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
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Author:albertzsigovits
Rule name:PE_Potentially_Signed_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/458412/

Comments


Avatar
Szabolcs Schmidt commented on 2023-11-13 18:50:28 UTC

C2: hxxp://lqr1(.)shop/B01341/index(.)php