MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2506cbaa56d9893a48a39a5d991f34da06122deb55efb3979a7629684d24ce78. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
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SHA256 hash: 2506cbaa56d9893a48a39a5d991f34da06122deb55efb3979a7629684d24ce78
SHA3-384 hash: 8c0ff39f9e2482e15b56658a704a9280d35d3764d60a7c2ccf340bb1bcababaf1ed2baa0563b8012a9154a478e68a3c7
SHA1 hash: 892e34e6cabdeea13258d7e7e7e098a6820afbe2
MD5 hash: 2bd43ab6044247edd65f2d29f3540be7
humanhash: low-fillet-four-king
File name:Doc10028.exe
Download: download sample
Signature BluStealer
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File size:2'494'464 bytes
First seen:2022-08-16 13:55:09 UTC
Last seen:2022-08-16 14:34:30 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 49152:ASpt6A7Uxqy3DuxRRDBwiRih9BSUO2+54DnS06eTadHnvf:R6A7U8yTuxRIrrOh8SfX
TLSH T16EB5D033CDED9C27C129207486F7C5699E385B4A14C05E1B7AB77C6ACA7DC0EEE1844A
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 cca6a2a6a6a292c4 (3 x AgentTesla, 2 x BluStealer)
Reporter JaffaCakes118
Tags:BluStealer exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
298
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Doc10028.exe
Verdict:
Suspicious activity
Analysis date:
2022-08-16 13:56:59 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3c4e4b1a-c2ac-406c-93c9-c391805ced12

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/299022/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.32594.22338.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Creating a file
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Enabling the 'hidden' option for files in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62fba2347a5eee504810bd95/reports/14609a79-9909-42a4-95a6-fca702367abc/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/18213278-d0b0-4b6b-8459-ef17206f3eb7
Result
Threat name:
AsyncRAT, BluStealer, Clipboard Hijacker
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
78 / 100
Link:
https://www.joesandbox.com/analysis/1052333
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for dropped file
Creates multiple autostart registry keys
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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 steal Crypto Currency Wallets
Writes or reads registry keys via WMI
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected BluStealer
Yara detected Clipboard Hijacker
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 684848 Sample: Doc10028.exe Startdate: 16/08/2022 Architecture: WINDOWS Score: 78 65 Malicious sample detected (through community Yara rule) 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 Yara detected BluStealer 2->69 71 10 other signatures 2->71 7 Doc10028.exe 1 7 2->7         started        11 diagnostical.exe 2->11         started        13 Qae.exe 4 2->13         started        15 5 other processes 2->15 process3 dnsIp4 55 C:\Users\user\AppData\Roaming\...\Qae.exe, PE32 7->55 dropped 57 C:\Users\user\...\Qae.exe:Zone.Identifier, ASCII 7->57 dropped 59 C:\Users\user\AppData\...\Doc10028.exe.log, ASCII 7->59 dropped 85 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->85 87 Encrypted powershell cmdline option found 7->87 89 Creates multiple autostart registry keys 7->89 18 InstallUtil.exe 6 7->18         started        21 powershell.exe 17 7->21         started        23 InstallUtil.exe 7->23         started        61 C:\Users\Public\...\diagnostical.exe, PE32 11->61 dropped 91 Antivirus detection for dropped file 11->91 93 Multi AV Scanner detection for dropped file 11->93 95 Tries to harvest and steal browser information (history, passwords, etc) 11->95 101 3 other signatures 11->101 97 Writes to foreign memory regions 13->97 99 Injects a PE file into a foreign processes 13->99 25 powershell.exe 13->25         started        27 InstallUtil.exe 13->27         started        29 InstallUtil.exe 13->29         started        63 192.168.2.1 unknown unknown 15->63 31 powershell.exe 15->31         started        33 InstallUtil.exe 15->33         started        file5 signatures6 process7 file8 47 C:\Users\user\AppData\Local\Temp\Ocdms.exe, PE32 18->47 dropped 49 C:\Users\user\AppData\Local\...\Icwumtv.exe, PE32 18->49 dropped 35 Icwumtv.exe 18->35         started        39 Ocdms.exe 18->39         started        41 conhost.exe 21->41         started        43 conhost.exe 25->43         started        45 conhost.exe 31->45         started        process9 file10 51 C:\Users\Public\...\sqlite3.dll, PE32 35->51 dropped 53 C:\Users\Public\...\SQLite3_StdCall.dll, PE32 35->53 dropped 73 Antivirus detection for dropped file 35->73 75 Multi AV Scanner detection for dropped file 35->75 77 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 35->77 83 3 other signatures 35->83 79 Machine Learning detection for dropped file 39->79 81 Creates multiple autostart registry keys 39->81 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2506cbaa56d9893a48a39a5d991f34da06122deb55efb3979a7629684d24ce78/
Threat name:
Win32.Downloader.Seraph
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Status:
Malicious
First seen:
2022-08-16 13:56:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eudmxksw3getusfdtjozshzu3idbelplkxx3hf42oyuwqtjezz4a._file
Verdict:
suspicious
Label(s):
masslogger
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Result
Malware family:
blustealer
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Score:
  10/10
Tags:
family:blustealer persistence stealer
Link:
https://tria.ge/reports/220816-q8n44acgg2/
Behaviour
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
Drops startup file
Loads dropped DLL
Executes dropped EXE
BluStealer
Unpacked files
SH256 hash:
5fe19383132e886d80a4c225998635952a28b000833a969b932dc6ea7f5b9539
MD5 hash:
e7a8ebe3bb0246ff81d0db11ba4b479e
SHA1 hash:
826016f0baa1f21c9179f7e62b788b0bdfa7a68b
Link:
https://www.unpac.me/results/41b153a2-f216-42c1-aeeb-86a9b053cd90/
SH256 hash:
cb145e496e264aeaeda10202705fe44d6f92a16a5294b574fd5853752072a572
MD5 hash:
a8a144959bdabc1566c6735a70cb162a
SHA1 hash:
64236ff37a6c567d43f2d13ff6af2e42e5e43035
Link:
https://www.unpac.me/results/41b153a2-f216-42c1-aeeb-86a9b053cd90/
SH256 hash:
2506cbaa56d9893a48a39a5d991f34da06122deb55efb3979a7629684d24ce78
MD5 hash:
2bd43ab6044247edd65f2d29f3540be7
SHA1 hash:
892e34e6cabdeea13258d7e7e7e098a6820afbe2
Link:
https://www.unpac.me/results/41b153a2-f216-42c1-aeeb-86a9b053cd90/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2506cbaa56d9/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/2506cbaa56d9893a48a39a5d991f34da06122deb55efb3979a7629684d24ce78

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
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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

BluStealer

Executable exe 2506cbaa56d9893a48a39a5d991f34da06122deb55efb3979a7629684d24ce78

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/299022/

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