MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1ff69624873e48be474c1666c8e6c2447c4fb0690dc440452eeea806d5b5f34. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f1ff69624873e48be474c1666c8e6c2447c4fb0690dc440452eeea806d5b5f34
SHA3-384 hash: 497c62e4a7fb9fa555c4483019806536e943ba43b2e7107862e232a98d8a6d14e0b74020b957e171793d9935d1deb3db
SHA1 hash: 51bc27c6a8e7766785af57a54e42fc6c14a8bb86
MD5 hash: f46ac8b0d1b908425ec26319ace879cd
humanhash: fruit-nitrogen-king-minnesota
File name:Ziraat Bankasi Swift Mesaji.pdf.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:953'640 bytes
First seen:2023-12-04 09:09:12 UTC
Last seen:2023-12-04 10:33:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (533 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 24576:dpp4ca52JTn2ArzxK5x6ajNlHgKUKV3hIgnYP:/pi5cCcNWweNl15CgnE
Threatray 612 similar samples on MalwareBazaar
TLSH T185151293F31C8496D435077218BFCD1A1327AD69AC61861F32C97F2A6FB63439C1B85A
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 c0c0d6eebaf434b4 (6 x GuLoader)
Reporter abuse_ch
Tags:exe geo GuLoader signed TUR ZiraatBank

Code Signing Certificate

Organisation:Lovgivningsmssiges
Issuer:Lovgivningsmssiges
Algorithm:sha256WithRSAEncryption
Valid from:2022-12-28T04:33:29Z
Valid to:2025-12-27T04:33:29Z
Serial number: 4445084f2a2f092c4c2fa46f02c236c8e9ee1b89
Thumbprint Algorithm:SHA256
Thumbprint: 8b24eb2849f3706503683f2cc544d05433ce63fcc2751e7fdec5fe668b721efa
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
310
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/462285/
Detection(s):
SecuriteInfo.com.HEUR.Trojan.Win32.Makoob.gen.18944.13193.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the Windows subdirectories
Searching for the window
Creating a file
Creating a file in the %temp% directory
Sending a custom TCP request
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control installer lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/656d976d2efa450749b86377/reports/889ef395-d1cc-48a2-9d7e-873bd7bad883/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/f1ff69624873e48be474c1666c8e6c2447c4fb0690dc440452eeea806d5b5f34
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/c928fbf3-21a6-4363-96bc-37884f3cd039
Result
Threat name:
GuLoader, Azorult
Create hunting rule
Detection:
malicious
Classification:
troj.evad.phis.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1352995
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted 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)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected Azorult
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1352995 Sample: Ziraat_Bankasi_Swift_Mesaji... Startdate: 04/12/2023 Architecture: WINDOWS Score: 100 34 crzvs.shop 2->34 36 ra-scholz-blog.de 2->36 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Antivirus detection for URL or domain 2->46 48 6 other signatures 2->48 9 Ziraat_Bankasi_Swift_Mesaji.pdf.exe 19 72 2->9         started        signatures3 process4 file5 24 C:\Users\user\AppData\Local\...\System.dll, PE32 9->24 dropped 50 Self deletion via cmd or bat file 9->50 52 Maps a DLL or memory area into another process 9->52 13 Ziraat_Bankasi_Swift_Mesaji.pdf.exe 63 9->13         started        signatures6 process7 dnsIp8 38 crzvs.shop 172.67.213.49, 49822, 49823, 80 CLOUDFLARENETUS United States 13->38 40 ra-scholz-blog.de 195.30.98.24, 443, 49821 SPACENETSpaceNETAGDE Germany 13->40 26 C:\Users\user\AppData\...\vcruntime140.dll, PE32 13->26 dropped 28 C:\Users\user\AppData\Local\...\ucrtbase.dll, PE32 13->28 dropped 30 C:\Users\user\AppData\Local\...\softokn3.dll, PE32 13->30 dropped 32 45 other files (none is malicious) 13->32 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->54 56 Tries to steal Instant Messenger accounts or passwords 13->56 58 Tries to steal Mail credentials (via file / registry access) 13->58 60 5 other signatures 13->60 18 cmd.exe 1 13->18         started        file9 signatures10 process11 process12 20 conhost.exe 18->20         started        22 timeout.exe 1 18->22         started       
Score:
92%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f1ff69624873e48be474c1666c8e6c2447c4fb0690dc440452eeea806d5b5f34
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f1ff69624873e48be474c1666c8e6c2447c4fb0690dc440452eeea806d5b5f34/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2023-12-04 01:52:12 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
8 of 23 (34.78%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6h7wsysiopsixzduyftgzdtmerd4j6ygsdoeibcs53via3k3l42a._file
Verdict:
malicious
Label(s):
azorult
Create hunting rule
cloudeye
Create hunting rule
Similar samples:
006bf1bbcce9975a267a47c57b2418d136c87dcc0ad30a604e8fa8f99f74d568
GuLoader
1e08bbecaa308b4390f6313410fb0f23c47c989e1a247c21fd0ab26b72f666c6
GuLoader
48927c22a54bd0c732fa641f180bd3a5dd5f85566c6e63f4def63a99f0aa71ce
GuLoader
69c845dfc6e399c55730f8ffe5a7c822f3b36f94cf5905415d8b673e9f391329
GuLoader
6a785fc98d9962b475ba45b90865158bf15bdbbdc9caea83ea3afc3a84fed246
GuLoader
f1ff69624873e48be474c1666c8e6c2447c4fb0690dc440452eeea806d5b5f34
GuLoader
+ 602 additional samples on MalwareBazaar
Result
Malware family:
azorult
Create hunting rule
Score:
  10/10
Tags:
family:azorult collection discovery infostealer spyware stealer trojan
Link:
https://tria.ge/reports/231204-k42azaab54/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
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
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:
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
MD5 hash:
0d7ad4f45dc6f5aa87f606d0331c6901
SHA1 hash:
48df0911f0484cbe2a8cdd5362140b63c41ee457
Link:
https://www.unpac.me/results/a2fb2e94-4477-4c52-b000-723d27292a27/
SH256 hash:
f1ff69624873e48be474c1666c8e6c2447c4fb0690dc440452eeea806d5b5f34
MD5 hash:
f46ac8b0d1b908425ec26319ace879cd
SHA1 hash:
51bc27c6a8e7766785af57a54e42fc6c14a8bb86
Link:
https://www.unpac.me/results/a2fb2e94-4477-4c52-b000-723d27292a27/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f1ff69624873/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/f1ff69624873e48be474c1666c8e6c2447c4fb0690dc440452eeea806d5b5f34

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
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.

Malspam

GuLoader

Executable exe f1ff69624873e48be474c1666c8e6c2447c4fb0690dc440452eeea806d5b5f34

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/462285/

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