MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9173ae58a5b9e0063570a4cd5e16e1dd59f333e4b325717c0bd50666723e48aa. 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


BluStealer


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9173ae58a5b9e0063570a4cd5e16e1dd59f333e4b325717c0bd50666723e48aa
SHA3-384 hash: 3d4431dbb0c3110a7a2dc11adfa5852d218549f228c1c649b25ec43f880cef9b05c07ae85d6d156d4e176c24a09f5e11
SHA1 hash: 66d26df1eb9b3e07103ee226d54f54a9b188b8eb
MD5 hash: 951b09eb9ea247650b2d691c183ef646
humanhash: video-hamper-undress-bacon
File name:MT76013288.exe
Download: download sample
Signature BluStealer
Create hunting rule
File size:26'624 bytes
First seen:2022-06-01 13:05:17 UTC
Last seen:2022-06-01 18:00:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:AMbLJlbE8lJ2AjjjDDhPJ30c3PFR9tehkoIA2iWOrPDDDjjj/:AMbLJlbE8PrPg
Threatray 1'447 similar samples on MalwareBazaar
TLSH T10DC26137A649C1E7DD258A3C69A60E9009777E0EE4E2AFED88DC313BDF7325041C59A0
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 30888a8c8c8a8830 (3 x AgentTesla, 2 x BluStealer, 1 x Formbook)
Reporter GovCERT_CH
Tags:BluStealer exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
320
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MT76013288.exe
Verdict:
Malicious activity
Analysis date:
2022-06-01 19:12:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b58fca22-ab63-4af6-9940-50401e138928

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/276074/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.32758.11146.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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/f257563b-9ab8-495f-85b6-c48a389939dd
Result
Threat name:
MicroClip, SpyEx, a310Logger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1005050
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
Creates multiple autostart registry keys
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
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 service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
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 Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected a310Logger
Yara detected Costura Assembly Loader
Yara detected Generic Dropper
Yara detected MicroClip
Yara detected SpyEx stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 637546 Sample: MT76013288.exe Startdate: 01/06/2022 Architecture: WINDOWS Score: 100 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus detection for URL or domain 2->71 73 Multi AV Scanner detection for submitted file 2->73 75 8 other signatures 2->75 7 MT76013288.exe 16 7 2->7         started        12 Ffeav.exe 14 4 2->12         started        14 Ffeav.exe 3 2->14         started        16 2 other processes 2->16 process3 dnsIp4 65 52.59.30.24, 49767, 49794, 49795 AMAZON-02US United States 7->65 67 192.168.2.1 unknown unknown 7->67 59 C:\Users\user\AppData\Roaming\...\Ffeav.exe, PE32 7->59 dropped 61 C:\Users\user\...\Ffeav.exe:Zone.Identifier, ASCII 7->61 dropped 63 C:\Users\user\AppData\...\MT76013288.exe.log, ASCII 7->63 dropped 91 Creates multiple autostart registry keys 7->91 93 Writes to foreign memory regions 7->93 95 Allocates memory in foreign processes 7->95 18 InstallUtil.exe 2 2 7->18         started        22 cmd.exe 1 7->22         started        24 cmd.exe 1 7->24         started        97 Multi AV Scanner detection for dropped file 12->97 99 Injects a PE file into a foreign processes 12->99 26 cmd.exe 1 12->26         started        28 cmd.exe 12->28         started        30 InstallUtil.exe 12->30         started        32 cmd.exe 14->32         started        34 3 other processes 14->34 36 2 other processes 16->36 file5 signatures6 process7 file8 57 C:\Users\user\AppData\...\greggriffin.exe, PE32 18->57 dropped 77 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 18->77 79 Creates multiple autostart registry keys 18->79 81 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 18->81 83 Tries to steal Crypto Currency Wallets 18->83 38 AppLaunch.exe 1 18->38         started        41 conhost.exe 22->41         started        43 timeout.exe 1 22->43         started        45 conhost.exe 24->45         started        47 timeout.exe 1 24->47         started        49 2 other processes 26->49 51 2 other processes 28->51 53 2 other processes 32->53 55 2 other processes 34->55 signatures9 process10 signatures11 85 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 38->85 87 Tries to steal Mail credentials (via file / registry access) 38->87 89 Tries to harvest and steal browser information (history, passwords, etc) 38->89
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9173ae58a5b9e0063570a4cd5e16e1dd59f333e4b325717c0bd50666723e48aa/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-06-01 11:56:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
22 of 26 (84.62%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sfz24wffxhqamnlqutgv4fxb3vm7gm7ewmsxc7al2udgm4r6jcva._file
Verdict:
malicious
Similar samples:
407e3c327f28b0717fd9dca19ab3870a954b71650b53c3bf147bc5ecd0d5c10a
BluStealer
6f19a157dcd1b5e1e766da87de34c1bfff1ae7fd87cd2a9d35732d6f27700488
BluStealer
7f04b9072a28a0d1558420fa5734b320b71724afee4096ab46075a6052aea309
BluStealer
7f21772a5af60e60ec8a64a678c5c3cd5bdf30c2dff9c314f6f7341a39ed30ed
BluStealer
8475d63228f30259a96c4b9f523b4fb05f718c6361a1f3d477cba240f0ce7b5e
BluStealer
ccd13421133f5ab9da25c57fad424244c0ef1ce1cece885bde769579e8284d75
BluStealer
dcd4bf60c8305228d13724d321c0286bda0b9bc091379142dc33569a5d89038e
BluStealer
+ 1'437 additional samples on MalwareBazaar
Result
Malware family:
blustealer
Create hunting rule
Score:
  10/10
Tags:
family:blustealer persistence stealer
Link:
https://tria.ge/reports/220601-qb3afscddk/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
BluStealer
Unpacked files
SH256 hash:
9173ae58a5b9e0063570a4cd5e16e1dd59f333e4b325717c0bd50666723e48aa
MD5 hash:
951b09eb9ea247650b2d691c183ef646
SHA1 hash:
66d26df1eb9b3e07103ee226d54f54a9b188b8eb
Link:
https://www.unpac.me/results/91cbb695-7ba9-4639-b343-50d966f20640/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9173ae58a5b9/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/9173ae58a5b9e0063570a4cd5e16e1dd59f333e4b325717c0bd50666723e48aa

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_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.

Malspam

BluStealer

Executable exe 9173ae58a5b9e0063570a4cd5e16e1dd59f333e4b325717c0bd50666723e48aa

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/276074/

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