MalwareBazaar Database

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id

OLE dump

MalwareBazaar was able to identify 14 sections in this file using oledump:

OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

Intelligence

File Origin

Vendor Threat Intelligence

ANY.RUN

Malware family:

n/a

ID:

1

File name:

SecuriteInfo.com.Heur.23766.27799

Verdict:

No threats detected

Analysis date:

2021-06-10 18:47:45 UTC

Tags:

macros macros-on-open

Link:

https://app.any.run/tasks/fd8cd470-b520-4add-953b-ecbcd9b77f29

Note:

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

BitDam Legit

Verdict:

Legit

File type:

application/vnd.openxmlformats-officedocument.spreadsheetml.sheet

Has a screenshot:

False

Contains macros:

True

CAPE Sandbox

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/165953/

ClamAV Detected

Detection(s):

SecuriteInfo.com.Heur.23766.27799.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.MiscreantsTurnBackTime.20210220.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a process with a hidden window

DNS request

Sending an HTTP GET request

Creating a file in the %AppData% directory

Creating a process from a recently created file

Launching the default Windows debugger (dwwin.exe)

Launching a process by exploiting the app vulnerability

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

Legacy Excel File with Macro

Link:

https://app.docguard.net/c0c746d73e4b8e18f1dd69906d6a260bab00f57cb8532855db0f09c668fb3d8b/results/dashboard

Document image

Image:

Download PNG

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/c0c746d73e4b8e18f1dd69906d6a260bab00f57cb8532855db0f09c668fb3d8b

Details

Macro with Startup Hook

Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.

Macro Execution Coercion

Detected a document that appears to social engineer the user into activating embedded logic.

Shell.Application Object

Detected the instantiation of Shell Application object within the macro.

Macro Contains Suspicious String

Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...

Document With Minimal Content

Document contains less than 1 kilobyte of semantic information.

Joe Sandbox BitRAT Xmrig

Result

Threat name:

BitRAT Xmrig

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.expl.evad.mine

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/800447

Signature

.NET source code contains potential unpacker

Adds a directory exclusion to Windows Defender

Allocates memory in foreign processes

Contains functionality to hide a thread from the debugger

Contains functionality to inject code into remote processes

Creates an undocumented autostart registry key

Document contains an embedded VBA macro which may execute processes

Document contains an embedded VBA macro with suspicious strings

Document exploit detected (process start blacklist hit)

Drops executable to a common third party application directory

Hides threads from debuggers

Injects a PE file into a foreign processes

Multi AV Scanner detection for dropped file

Powershell drops PE file

Sigma detected: Microsoft Office Product Spawning Windows Shell

Sigma detected: WScript or CScript Dropper

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

Very long command line found

Writes to foreign memory regions

Wscript starts Powershell (via cmd or directly)

Yara detected BitRAT

Yara detected Costura Assembly Loader

Yara detected Powershell download and execute

Yara detected Xmrig cryptocurrency miner

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c0c746d73e4b8e18f1dd69906d6a260bab00f57cb8532855db0f09c668fb3d8b/

ReversingLabs TitaniumCloud Document-Office.Trojan.Sadoca

Threat name:

Document-Office.Trojan.Sadoca

Alert

Create hunting rule

Status:

Malicious

First seen:

2021-06-10 18:47:09 UTC

AV detection:

6 of 46 (13.04%)

Threat level:

  5/5

Spamhaus Hash Blocklist Malicious file

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=yddunvz6johbr4o5ngig22rgbovqb5l4xbjsqvo3b4e4m2h3hwfq._file

Hatching Triage bitrat

Result

Malware family:

bitrat

Alert

Create hunting rule

Score:

  10/10

Tags:

family:bitrat macro macro_on_action trojan

Link:

https://tria.ge/reports/210610-d65c4vhc1j/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Office loads VBA resources, possible macro or embedded object present

Enumerates physical storage devices

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Loads dropped DLL

Blocklisted process makes network request

Downloads MZ/PE file

Executes dropped EXE

BitRAT

BitRAT Payload

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/c0c746d73e4b8e18f1dd69906d6a260bab00f57cb8532855db0f09c668fb3d8b

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.

Cape

https://www.capesandbox.com/analysis/165953/

Comments