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:

2021-04-01 16:37:51 UTC

Tags:

generated-doc loader buerloader

Link:

https://app.any.run/tasks/4c71f49d-1e34-401f-a8c4-3e02c53c5dfd

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.ProbablyHeur.W97Obfuscated.6662.457.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Clean

Result

Verdict:

Clean

Maliciousness:

Behaviour

Creating a window

Creating a file

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Word File with Macro

Link:

https://app.docguard.net/754ab7c2050696e0d2010dc98f8138f6634abd10b8089a0b5bde2453a61d98bb/results/dashboard

Payload URLs

URL

File name

https://the.earth.li/

core.xml

Document image

Image:

Download PNG

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/754ab7c2050696e0d2010dc98f8138f6634abd10b8089a0b5bde2453a61d98bb

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.

InQuest Machine Learning

An InQuest machine-learning model classified this macro as potentially malicious.

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/663143

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 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)

Machine Learning detection for sample

Maps a DLL or memory area into another process

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

Sigma detected: Microsoft Office Product Spawning Windows Shell

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Yara detected Buer Loader

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/754ab7c2050696e0d2010dc98f8138f6634abd10b8089a0b5bde2453a61d98bb/

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ovflpqqfa2lobuqbbxey7ajy6zruvpiqxaejuc233ysfhjq5tc5q._file

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  10/10

Tags:

n/a

Link:

https://tria.ge/reports/210401-21g47nrfma/

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 Malicious File

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/754ab7c2050696e0d2010dc98f8138f6634abd10b8089a0b5bde2453a61d98bb

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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