MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48927c22a54bd0c732fa641f180bd3a5dd5f85566c6e63f4def63a99f0aa71ce. 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: 48927c22a54bd0c732fa641f180bd3a5dd5f85566c6e63f4def63a99f0aa71ce
SHA3-384 hash: 0f541819a7842d6cafd46ed1fde9bf08be59474062ad9c1f05cba1636aff95cae62a48be58fe4fc96249d81a816533c4
SHA1 hash: e86967e1246b3197d1140a85322795d8a1d59641
MD5 hash: 8f64113dc9e19be7417016a0baf25656
humanhash: louisiana-summer-shade-jupiter
File name:swift mesaj 2023.12.04.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:957'672 bytes
First seen:2023-12-04 09:08:50 UTC
Last seen:2023-12-04 10:33:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (533 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 24576:Xpp4VFAqWu63LfK8Gx6ajNlHgKUKV3hIgnY:5pOauoG1weNl15Cgn
TLSH T1E0151293F31C8496D4360B711CBFC9591637AC74AD92890F22D87E29BFFA3425C1B85A
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 GuLoader signed

Code Signing Certificate

Organisation:Affectionally
Issuer:Affectionally
Algorithm:sha256WithRSAEncryption
Valid from:2023-03-07T00:22:43Z
Valid to:2026-03-06T00:22:43Z
Serial number: 6c1d0c9099cb71c5a7bda6bf09e6aa74a2e9e1cb
Thumbprint Algorithm:SHA256
Thumbprint: 57efefcbdf1c2a6425076a3ddc8d79cce7484794a5eea3013748d16b3e172a0f
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
305
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/462283/
Detection(s):
SecuriteInfo.com.HEUR.Trojan.Win32.Makoob.gen.24750.26742.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
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control installer lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/656d97347485e5b1ecc5cb71/reports/b2abea5c-a18e-4c4d-897b-a61038ca2fa8/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/48927c22a54bd0c732fa641f180bd3a5dd5f85566c6e63f4def63a99f0aa71ce
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/215a5bef-0231-47ef-a45d-277266846f2b
Result
Threat name:
GuLoader, Azorult
Create hunting rule
Detection:
malicious
Classification:
troj.evad.phis.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1352989
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Found many strings related to Crypto-Wallets (likely being stolen)
Malicious sample detected (through community Yara rule)
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)
Yara detected Azorult
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1352989 Sample: swift_mesaj_2023.12.04.exe Startdate: 04/12/2023 Architecture: WINDOWS Score: 100 34 dbxo.shop 2->34 40 Snort IDS alert for network traffic 2->40 42 Multi AV Scanner detection for domain / URL 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 5 other signatures 2->46 9 swift_mesaj_2023.12.04.exe 19 73 2->9         started        signatures3 process4 file5 24 C:\Users\user\AppData\Local\...\System.dll, PE32 9->24 dropped 48 Self deletion via cmd or bat file 9->48 50 Maps a DLL or memory area into another process 9->50 13 swift_mesaj_2023.12.04.exe 63 9->13         started        signatures6 process7 dnsIp8 36 dbxo.shop 104.21.47.12, 49897, 49898, 80 CLOUDFLARENETUS United States 13->36 38 34.82.253.169, 49896, 80 GOOGLEUS United States 13->38 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 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->52 54 Tries to steal Instant Messenger accounts or passwords 13->54 56 Tries to steal Mail credentials (via file / registry access) 13->56 58 6 other signatures 13->58 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/48927c22a54bd0c732fa641f180bd3a5dd5f85566c6e63f4def63a99f0aa71ce
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/48927c22a54bd0c732fa641f180bd3a5dd5f85566c6e63f4def63a99f0aa71ce/
Threat name:
Win32.Spyware.Azorult
Create hunting rule
Status:
Malicious
First seen:
2023-12-04 03:13:06 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=jcjhyivfjpimomx2mqprqc6tuxov7bkwnrxgh5g66y5jt4fkohha._file
Verdict:
malicious
Label(s):
azorult
Create hunting rule
cloudeye
Create hunting rule
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:azorult family:guloader collection discovery downloader infostealer spyware stealer trojan
Link:
https://tria.ge/reports/231204-k4fn9sab3s/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
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
Checks computer location settings
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
Guloader,Cloudeye
Unpacked files
SH256 hash:
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
MD5 hash:
0d7ad4f45dc6f5aa87f606d0331c6901
SHA1 hash:
48df0911f0484cbe2a8cdd5362140b63c41ee457
Link:
https://www.unpac.me/results/54433d47-4b3f-43f0-a5a0-6dac9107d0cb/
SH256 hash:
48927c22a54bd0c732fa641f180bd3a5dd5f85566c6e63f4def63a99f0aa71ce
MD5 hash:
8f64113dc9e19be7417016a0baf25656
SHA1 hash:
e86967e1246b3197d1140a85322795d8a1d59641
Link:
https://www.unpac.me/results/54433d47-4b3f-43f0-a5a0-6dac9107d0cb/
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/48927c22a54bd0c732fa641f180bd3a5dd5f85566c6e63f4def63a99f0aa71ce

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 48927c22a54bd0c732fa641f180bd3a5dd5f85566c6e63f4def63a99f0aa71ce

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/462283/

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