MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 275ad5eabe9fbc6b8752f97ef64d75211c86e49d29de67875de061813fc6162a. 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:	275ad5eabe9fbc6b8752f97ef64d75211c86e49d29de67875de061813fc6162a
SHA3-384 hash:	345c9b162ed71fa8eac5e4ac750b0b53afdfb22683e0f273b2255f5fbbb8c642f8f8bda557422a460c1784f7b98ca67f
SHA1 hash:	f5ba3503c70a310512980753fcc6109400dbed6c
MD5 hash:	4aebbc615fbe8c8ca4ebc764aff7dd99
humanhash:	purple-rugby-white-neptune
File name:	T-132492455.xlsb
Download:	download sample
Signature	Quakbot Alert Create hunting rule
File size:	1'192'153 bytes
First seen:	2022-04-14 13:19:22 UTC
Last seen:	Never
File type:	xlsx
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	24576:Co8bVA6kcqPH5sjl+opcMrAGo8bVA6kcWo8bVA6kcso8bVA6kcwo8bVA6kcwc:CRbVQ5VSr7RbV8RbVWRbV2RbVn
TLSH	T18145E042AC5552A0E4FC313BB70C498894233099F058FE964AA54AFE7F119B56CF9EFC
TrID	80.5% (.XLSB) Excel Binary workbook (93021/2/14) 15.1% (.ZIP) Open Packaging Conventions container (17500/1/4) 3.4% (.ZIP) ZIP compressed archive (4000/1) 0.8% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter	Anonymous
Tags:	Quakbot xlsb xlsx

Office OLE Information

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

OLE dump

MalwareBazaar was able to identify 20 sections in this file using oledump:

Section ID	Section size	Section name
A1	77 bytes	CompObj
A2	89 bytes	Ole
A3	3072068 bytes	Ole10Native
B1	77 bytes	CompObj
B2	89 bytes	Ole
B3	3072068 bytes	Ole10Native
C1	77 bytes	CompObj
C2	89 bytes	Ole
C3	3072068 bytes	Ole10Native
D1	77 bytes	CompObj
D2	89 bytes	Ole
D3	3072068 bytes	Ole10Native
E1	77 bytes	CompObj
E2	89 bytes	Ole
E3	3072068 bytes	Ole10Native

Intelligence

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File Origin

# of uploads :

1

# of downloads :

296

Origin country :

n/a

Vendor Threat Intelligence

ANY.RUN

Malware family:

n/a

ID:

1

File name:

T-132492455.xlsb

Verdict:

No threats detected

Analysis date:

2022-04-14 18:08:40 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/f1248376-5281-4457-9909-a49c843e90c9

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.openxmlformats-officedocument.spreadsheetml.sheet

Has a screenshot:

False

Contains macros:

False

CAPE Sandbox

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/263745/

ClamAV Detected

Detection(s):

TwinWave.EvilDoc.DataopWereSendingYouBack.220331.UNOFFICIAL

Alert

Create hunting rule

TwinWave.EvilDoc.XLSBLOLBINHammerToFall.20210414.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

DNS request

Creating a process with a hidden window

Searching for the window

Sending a custom TCP request

Sending an HTTP GET request

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/275ad5eabe9fbc6b8752f97ef64d75211c86e49d29de67875de061813fc6162a/results/dashboard

Payload URLs

URL

File name

http://uri.etsi.org/01903#SignedProperties

sig1.xml

Document image

Image:

Download PNG

FileScan.IO No Threat

Verdict:

No Threat

Threat level:

  10/10

Confidence:

100%

Link:

https://www.filescan.io/uploads/62581f8beab80a7a6c13281e/reports/a495292f-ebd7-42f8-850e-6f37656f5bad/overview

inlyse Malware.AI Benign

Label:

Benign

Suspicious Score:

2.6/10

Score Malicious:

27%

Score Benign:

73%

Link:

https://www.malware.ai/gui/files/?id=75e86e2d-f8a0-4bfd-b4d4-4587d882107d

Joe Sandbox Hidden Macro 4.0

Result

Threat name:

Hidden Macro 4.0

Alert

Create hunting rule

Detection:

malicious

Classification:

expl.evad

Score:

88 / 100

Link:

https://www.joesandbox.com/analysis/976890

Signature

Antivirus detection for URL or domain

Document exploit detected (process start blacklist hit)

Document exploit detected (UrlDownloadToFile)

Found Excel 4.0 Macro with suspicious formulas

Found malicious Excel 4.0 Macro

Multi AV Scanner detection for domain / URL

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

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/275ad5eabe9fbc6b8752f97ef64d75211c86e49d29de67875de061813fc6162a/

ReversingLabs TitaniumCloud Document-Office.Trojan.Heuristic

Threat name:

Document-Office.Trojan.Heuristic

Alert

Create hunting rule

Status:

Malicious

First seen:

2022-04-14 13:20:09 UTC

File Type:

Document

Extracted files:

96

AV detection:

4 of 42 (9.52%)

Threat level:

  2/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=e5nnl2v6t66gxb2s7f7pmtlveeoinze5fhpgpb254bqycp6gcyva._file

Hatching Triage Malicious

Result

Malware family:

n/a

Score:

  10/10

Tags:

n/a

Link:

https://tria.ge/reports/220414-qk3mksddg3/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Process spawned unexpected child process

Malware Config

Dropper Extraction:

http://rommify.net/Mm2cPksfn0/Dmnh.png
http://c-logistica.com/qS4NKRYI/Dmnh.png
http://mhdti.com/e03BksINQKc/Dmnh.png

VMRay Malicious

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/275ad5eabe9f/report/overview.html

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:

0.74

Link:

https://yomi.yoroi.company/submissions/275ad5eabe9fbc6b8752f97ef64d75211c86e49d29de67875de061813fc6162a

File information

---

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

Quakbot

zip 1dce0c1c728a8993702d7898a3711f8a771ae65c732f07572b70118e989b9682

Quakbot

xlsx 275ad5eabe9fbc6b8752f97ef64d75211c86e49d29de67875de061813fc6162a

(this sample)

  

Dropped by

MD5 a4337e38a3e4db72857ae4549bc39793

  

Delivery method

Distributed via e-mail link

Cape

https://www.capesandbox.com/analysis/263745/

  

Dropped by

SHA256 1dce0c1c728a8993702d7898a3711f8a771ae65c732f07572b70118e989b9682

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