MalwareBazaar Database

Intelligence

File Origin

Vendor Threat Intelligence

ANY.RUN Malicious

Malware family:

n/a

ID:

1

File name:

Private doc.docm

Verdict:

Malicious activity

Analysis date:

2021-04-07 14:49:22 UTC

Tags:

macros macros-on-open generated-doc loader buerloader

Link:

https://app.any.run/tasks/9202eb60-15bc-4545-a85e-f1e923a002cd

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

BitDam Malicious

Verdict:

Malicious

File type:

application/vnd.ms-word.document.macroEnabled.12

Has a screenshot:

False

Contains macros:

False

ClamAV Detected

Detection(s):

SecuriteInfo.com.W97M.DownLoader.5289.13578.23749.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file

Creating a process with a hidden window

Launching a process

Creating a file in the %AppData% subdirectories

Creating a file in the %AppData% directory

Creating a file in the %temp% subdirectories

Possible injection to a system process

Unauthorized injection to a recently created process

Unauthorized injection to a recently created process by context flags manipulation

Running batch commands by exploiting the app vulnerability

Creating a process from a recently created file

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Word File with Macro

Link:

https://app.docguard.net/c036d1c05516a8df5ea47b37cf51676e02f06ddc69532b600e3a9e1e50da3de2/results/dashboard

Payload URLs

URL

File name

https://the.earth.li/

core.xml

Document image

Image:

Download PNG

InQuest SUSPICIOUS

Result

Verdict:

SUSPICIOUS

Link:

https://labs.inquest.net/dfi/sha256/c036d1c05516a8df5ea47b37cf51676e02f06ddc69532b600e3a9e1e50da3de2

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.

Macro with File System Read

Detected macro logic that can read data from the file system.

Joe Sandbox Buer Loader

Result

Threat name:

Buer Loader

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/668806

Signature

Allocates memory in foreign processes

Contains functionality to behave differently if execute on a Russian/Kazak computer

Contains functionality to check if Internet connection is working

Contains functionality to inject code into remote processes

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Document contains an embedded VBA macro which may check the desktop resolution (possible anti-VM)

Document contains an embedded VBA macro which may execute processes

Document contains an embedded VBA macro which may execute shellcode

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 functions possibly related to WSH operations (process, registry, environment, or keystrokes)

Document contains an embedded VBA with hexadecimal encoded strings

Document contains an embedded VBA with many string operations indicating source code obfuscation

Document exploit detected (creates forbidden files)

Document exploit detected (process start blacklist hit)

Injects a PE file into a foreign processes

Machine Learning detection for sample

Maps a DLL or memory area into another process

Multi AV Scanner detection for submitted file

Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)

Writes to foreign memory regions

Yara detected Buer Loader

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c036d1c05516a8df5ea47b37cf51676e02f06ddc69532b600e3a9e1e50da3de2/

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ya3ndqcvc2un6xvepm346ulhnybpa3o4nfjswyaohkpb4ug2hxra._file

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  10/10

Tags:

n/a

Link:

https://tria.ge/reports/210407-xh8k1hylqx/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

NSIS installer

Office loads VBA resources, possible macro or embedded object present

Enumerates physical storage devices

Suspicious use of SetThreadContext

Enumerates connected drives

Loads dropped DLL

Executes dropped EXE

Process spawned unexpected child process

VirusTotal

Please note that we are no longer able to provide a coverage score for Virus Total.

YOROI YOMI Dropper

Threat name:

Dropper

Score:

0.80

Link:

https://yomi.yoroi.company/submissions/c036d1c05516a8df5ea47b37cf51676e02f06ddc69532b600e3a9e1e50da3de2

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.

File information

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

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