MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1729eaf30a69ff628cdf67b220da8b639a194c27f91a8e12f0e5151899a7ff3b. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments 1

SHA256 hash: 1729eaf30a69ff628cdf67b220da8b639a194c27f91a8e12f0e5151899a7ff3b
SHA3-384 hash: 6fbcc0a41920a5267f35032398ff7c7720be3ebe3381619c12ceb92d574edcb5bd7a5b37f11bc320a4ee2d9ce44f925d
SHA1 hash: 721dc8a0b81f6c3d46a34f366b29c4aeec9d3e0f
MD5 hash: b6e98bc10b2e8c29e36e7725063c7eed
humanhash: tango-mountain-nebraska-twelve
File name:b6e98bc10b2e8c29e36e7725063c7eed
Download: download sample
Signature BluStealer
File size:963'072 bytes
First seen:2021-12-13 20:36:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 24576:cbVyViiu1DiMXrhb/B9u2y2sxHbN7Ec/IOE:cb91Dioh/u2ybxHbl/
TLSH T190255C2D7E0D05F2ED5DE131EF19A9047B624FA3A241E99723EB39CEA76F051BC04894
File icon (PE):PE icon
dhash icon f0f0f26dd884ccf0 (2 x Formbook, 2 x BluStealer, 2 x AgentTesla)
Reporter zbetcheckin
Tags:32 BluStealer exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b6e98bc10b2e8c29e36e7725063c7eed
Verdict:
Malicious activity
Analysis date:
2021-12-13 20:45:02 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm obfuscated packed
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.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
92 / 100
Signature
Binary or sample is protected by dotNetProtector
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Tries to delay execution (extensive OutputDebugStringW loop)
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 539142 Sample: A53r524blk Startdate: 13/12/2021 Architecture: WINDOWS Score: 92 30 Malicious sample detected (through community Yara rule) 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Machine Learning detection for sample 2->34 36 Binary or sample is protected by dotNetProtector 2->36 7 A53r524blk.exe 4 2->7         started        10 sobne.exe 2 2->10         started        process3 signatures4 38 Tries to delay execution (extensive OutputDebugStringW loop) 7->38 40 Injects a PE file into a foreign processes 7->40 12 cmd.exe 3 7->12         started        15 cmd.exe 1 7->15         started        18 A53r524blk.exe 7->18         started        42 Multi AV Scanner detection for dropped file 10->42 44 Machine Learning detection for dropped file 10->44 46 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 10->46 process5 file6 26 C:\Users\user\AppData\Roaming\...\sobne.exe, PE32 12->26 dropped 28 C:\Users\user\...\sobne.exe:Zone.Identifier, ASCII 12->28 dropped 20 conhost.exe 12->20         started        48 Uses schtasks.exe or at.exe to add and modify task schedules 15->48 22 conhost.exe 15->22         started        24 schtasks.exe 1 15->24         started        signatures7 process8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-13 16:04:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
blustealer
Score:
  10/10
Tags:
family:blustealer stealer
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
BluStealer
Unpacked files
SH256 hash:
d586efc34396358437625105a89f2e13c5aab91e20b48a5582f287ea25694271
MD5 hash:
1d9d30d9b10cd321f76316435cdf9173
SHA1 hash:
36eb311ebb963b70c1e55f3b47e31cdadd694828
SH256 hash:
1729eaf30a69ff628cdf67b220da8b639a194c27f91a8e12f0e5151899a7ff3b
MD5 hash:
b6e98bc10b2e8c29e36e7725063c7eed
SHA1 hash:
721dc8a0b81f6c3d46a34f366b29c4aeec9d3e0f
Please note that we are no longer able to provide a coverage score for Virus Total.

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_Dotfuscator
Author:ditekSHen
Description:Detects executables packed with Dotfuscator
Rule name:INDICATOR_EXE_Packed_dotNetProtector
Author:ditekSHen
Description:Detects executables packed with dotNetProtector
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 1729eaf30a69ff628cdf67b220da8b639a194c27f91a8e12f0e5151899a7ff3b

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-12-13 20:36:18 UTC

url : hxxp://3.69.238.46/chrome/Spec-560998920.exe