MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 96e08603df95e9e47877cc3ff2c3a02c68579acc8ebc703f726032a9b786a7f4. 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



BuerLoader


Vendor detections: 8


Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash: 96e08603df95e9e47877cc3ff2c3a02c68579acc8ebc703f726032a9b786a7f4
SHA3-384 hash: 557d8c77f7b4b21b9421121fa56ac45abee2db554837f7079e1e552030c237b786b72cae6534a879290bd284faec16f0
SHA1 hash: cc36626d3d8a88bcdcce5e2b71e6eba65371aea7
MD5 hash: 6802a732fa84893f4d4374357865808a
humanhash: purple-failed-berlin-venus
File name:6802a732_by_Libranalysis
Download: download sample
Signature BuerLoader
File size:3'537'637 bytes
First seen:2021-05-05 22:12:39 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 98304:yoiu1vISgbzslat536k8BzAxr4CeVqsLFb9QBR40r6YPsHZN:FvIS0Yl436k8BzAxkOsZb9QzdvsP
TLSH C4F5338A64B00FE4908F617E06A5C8571C9A3FD9B2C1A2B3942A756CF2F38914F7DF54
Reporter Libranalysis
Tags:BuerLoader


Avatar
Libranalysis
Uploaded as part of the sample sharing project

Intelligence


File Origin
# of uploads :
1
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a file in the Program Files directory
Deleting a recently created file
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file in the %AppData% directory
Creating a file in the %temp% subdirectories
Unauthorized injection to a recently created process
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Document image
Document image
Result
Verdict:
MALICIOUS
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro with File System Write
Detected macro logic that can write data to the file system.
Shell.Application Object
Detected the instantiation of Shell Application object within the macro.
Document With No Content
Document contains little or no semantic information.
Result
Threat name:
Buer Loader
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Contains functionality to behave differently if execute on a Russian/Kazak computer
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded VBA with many string operations indicating source code obfuscation
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Office process drops PE file
Sigma detected: Microsoft Office Product Spawning Windows Shell
Yara detected Buer Loader
Behaviour
Behavior Graph:
Threat name:
Document-Office.Trojan.Alien
Status:
Malicious
First seen:
2021-05-05 16:37:54 UTC
AV detection:
2 of 46 (4.35%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
NSIS installer
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Enumerates connected drives
Loads dropped DLL
Executes dropped EXE
Process spawned unexpected child process
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:Email_stealer_bin_mem
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information


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

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