MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04fb545df05912be1228df1958e6e60ffbc745ce3377162117b0ee59bb18a6b2. 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


BlackGuard


Vendor detections: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 04fb545df05912be1228df1958e6e60ffbc745ce3377162117b0ee59bb18a6b2
SHA3-384 hash: 9925d834199ea59e6b4ed3e9c51277e474225477133d3111ee84e48477fe99233ba08c10305d328c31136e1b30e69352
SHA1 hash: dfb026a22e11d8c50305a8cf85b911aed5e5f7e9
MD5 hash: 44b65c0e74a1c608b202a663318f966d
humanhash: whiskey-papa-shade-oregon
File name:file
Download: download sample
Signature BlackGuard
Create hunting rule
File size:3'511'296 bytes
First seen:2023-05-22 14:08:48 UTC
Last seen:2023-07-11 15:10:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 98304:aQBNUcwti78OqJ7TPBsHgMWJ0bJpqcV/:9zUcwti7TQlsBWJq1x
Threatray 386 similar samples on MalwareBazaar
TLSH T170F52314ABD96609E33F99B5E4B284504A73FD236530E34E8DC5A0CD2E72B44EB167B3
TrID 41.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
24.1% (.EXE) InstallShield setup (43053/19/16)
15.2% (.EXE) UPX compressed Win32 Executable (27066/9/6)
5.9% (.EXE) Win64 Executable (generic) (10523/12/4)
3.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon b2b89692b696e2e0 (1 x Lucifer, 1 x BlackGuard)
Reporter jstrosch
Tags:.NET BlackGuard exe MSIL

Intelligence

File Origin
# of uploads :
3
# of downloads :
361
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-05-22 14:11:45 UTC
Tags:
opendir loader evasion blackguard stealer
Link:
https://app.any.run/tasks/d7022c2d-cf2e-498a-950f-31875ae9dda6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Msilperseus-9956592-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %temp% directory
Reading critical registry keys
Creating a file
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun with the shell\open\command registry branches
Stealing user critical data
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd.exe crypto fingerprint greyware hacktool lolbin overlay packed packed stealer
Link:
https://www.filescan.io/uploads/646b77825bd2270a5823df34/reports/f454b4c5-8165-4ce4-be53-1a5b10e14928/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/04fb545df05912be1228df1958e6e60ffbc745ce3377162117b0ee59bb18a6b2
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/f3f00237-8288-44b0-a244-310dc7930c7f
Result
Threat name:
BlackGuard
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1239707
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Contains functionality to hide user accounts
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
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)
Yara detected BlackGuard
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/04fb545df05912be1228df1958e6e60ffbc745ce3377162117b0ee59bb18a6b2/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-05-22 14:09:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
55
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=at5vixpqlejl4eri34mvrzxgb754oroogn3rmiixwdxftoyyu2za._file
Verdict:
malicious
Similar samples:
05596cac3448ed1d0e132c96bd45f02769e08932d4e60be4c918fea9d1064ef7
BlackGuard
127eb55e9031dc443d40cfb3a6be1456adc36743f034d6c74e88cde66af8b6ec
BlackGuard
1829581f83638a4bc9de6c84afae429ec73d77b157985b931f11279a59103702
BlackGuard
1e87d783cb17eab0293003d2ce44e350871dc86b19fdfea21a4457d0c01b2dcf
BlackGuard
21778db8e0c534932dea7dd3408f95944d2688b9023b8d668349e830ab58927f
BlackGuard
78e3a6a4c1ad570f4411fe72ba86c6e8c171ce38ad2373a0bc6183af6b83561c
BlackGuard
879b5fef5bd8bbd8a81ae74de86e38f88f60e4da9aa35941ee3e676ebc386718
BlackGuard
98d78baf7a1ceff6ec4f3d2330a30075df9c461d03ceaac23c478112bb333d48
BlackGuard
c5a45793d7c361f18d36c190b86c951bf0e7a01ad52132c7e9e9d4101eff73aa
BlackGuard
eb405e175ae16fd8877aa87ffdb39f0d4f41cf7c77351708d84f44dd790c35d2
BlackGuard
+ 376 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  9/10
Tags:
collection evasion persistence spyware stealer upx
Link:
https://tria.ge/reports/230522-rf5f2sgh76/
Behaviour
GoLang User-Agent
Modifies registry class
Modifies system certificate store
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in Program Files directory
Drops autorun.inf file
Drops file in System32 directory
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Modifies WinLogon
Allows Network login with blank passwords
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
Downloads MZ/PE file
Modifies Windows Firewall
Sets DLL path for service in the registry
Sets file to hidden
Grants admin privileges
Unpacked files
SH256 hash:
76705fc73ca27844e5c45426826b7d45d65ad8f2b7829c0a22b2baccaefb232f
MD5 hash:
a55c418c2d4076461e67c8597081bafb
SHA1 hash:
bf218c115e633cc75aa7266bc709d9bad9b83572
Link:
https://www.unpac.me/results/4d61564d-de93-4470-b308-8d522d48bd07/
SH256 hash:
04fb545df05912be1228df1958e6e60ffbc745ce3377162117b0ee59bb18a6b2
MD5 hash:
44b65c0e74a1c608b202a663318f966d
SHA1 hash:
dfb026a22e11d8c50305a8cf85b911aed5e5f7e9
Link:
https://www.unpac.me/results/4d61564d-de93-4470-b308-8d522d48bd07/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/04fb545df059/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/04fb545df05912be1228df1958e6e60ffbc745ce3377162117b0ee59bb18a6b2

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:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

BlackGuard

Executable exe 04fb545df05912be1228df1958e6e60ffbc745ce3377162117b0ee59bb18a6b2

(this sample)

  
Delivery method
Distributed via web download

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