MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45cc417aeb30d7aaba675077c10f70d66ee9b1b8b4820f0469221f0a87fe9545. 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

SHA256 hash:	45cc417aeb30d7aaba675077c10f70d66ee9b1b8b4820f0469221f0a87fe9545
SHA3-384 hash:	e7c1eb78568e1677dc90455c9f8686f4bc1deb2168c2440cd34f4a4d01688f7a2dff83eed709f008ed50f40d47e0994e
SHA1 hash:	4b61151831eedeb225166c30c2e2b555c9e5b5d0
MD5 hash:	18cb83fa82fb14788d5a1cbafcd9bb28
humanhash:	berlin-montana-princess-winter
File name:	Invoice.xlsb
Download:	download sample
Signature	BuerLoader Alert Create hunting rule
File size:	159'708 bytes
First seen:	2020-12-15 15:51:17 UTC
Last seen:	2020-12-15 16:58:15 UTC
File type:	xlsx
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	3072:Y6rZE6J4YdhEJ9AV51J01XDfLD/C+8H1yl2vFzaPEki6GW84wwJuB5N/uGW:YSZE6J9enAV581D/kVvFz4i6J84wwgXg
TLSH	6DF302B11EE2470AC2D65B78D81E5DD19421F463DC63EC1B1AFD23E8E9F1A4227261F2
Reporter	ffforward
Tags:	Buer BuerLoader xlsb

Intelligence

---

File Origin

# of uploads :

2

# of downloads :

326

Origin country :

n/a

Vendor Threat Intelligence

ANY.RUN

Malware family:

n/a

ID:

1

File name:

Invoice.xlsb

Verdict:

No threats detected

Analysis date:

2020-12-15 15:53:25 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/d5dec829-fe42-4f8e-8177-f3a7e0e89568

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:

False

ClamAV Detected

Detection(s):

SecuriteInfo.com.MSExcel.Agent.80FFtr.dldr.1533.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Launching the default Windows debugger (dwwin.exe)

Creating a window

Creating a file in the %temp% directory

Launching a process by exploiting the app vulnerability

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

OOXML Excel File with Excel4Macro

Link:

https://app.docguard.net/45cc417aeb30d7aaba675077c10f70d66ee9b1b8b4820f0469221f0a87fe9545/results/dashboard

Payload URLs

URL

File name

http://149.3.170.55/sd-lod/servises.exe

sheet1.bin

Document image

Image:

Download PNG

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Details

Macro Execution Coercion

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

Joe Sandbox Hidden Macro 4.0

Result

Threat name:

Hidden Macro 4.0

Alert

Create hunting rule

Detection:

malicious

Classification:

expl.evad

Score:

92 / 100

Link:

https://www.joesandbox.com/analysis/563390

Signature

Detected RDTSC dummy instruction sequence (likely for instruction hammering)

Document exploit detected (creates forbidden files)

Document exploit detected (drops PE files)

Document exploit detected (process start blacklist hit)

Document exploit detected (UrlDownloadToFile)

Found abnormal large hidden Excel 4.0 Macro sheet

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)

Office process drops PE file

Tries to detect virtualization through RDTSC time measurements

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/45cc417aeb30d7aaba675077c10f70d66ee9b1b8b4820f0469221f0a87fe9545/

ReversingLabs TitaniumCloud Document-Office.Downloader.EncDoc

Threat name:

Document-Office.Downloader.EncDoc

Alert

Create hunting rule

Status:

Malicious

First seen:

2020-12-15 15:52:05 UTC

AV detection:

11 of 47 (23.40%)

Threat level:

  3/5

Hatching Triage buer

Result

Malware family:

buer

Alert

Create hunting rule

Score:

  10/10

Tags:

family:buer loader

Link:

https://tria.ge/reports/201215-pamdz1smme/

Behaviour

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: MapViewOfSection

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of FindShellTrayWindow

NSIS installer

Suspicious use of SetThreadContext

Loads dropped DLL

Executes dropped EXE

Buer Loader

Buer

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/45cc417aeb30d7aaba675077c10f70d66ee9b1b8b4820f0469221f0a87fe9545