MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca841fc1b033f53c0b24b2f7714fe72c4572b162ad580a8c85fb6e88208d3a7a. 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

SilentBuilder

Vendor detections: 12

Maldoc score: 7

Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash:	ca841fc1b033f53c0b24b2f7714fe72c4572b162ad580a8c85fb6e88208d3a7a
SHA3-384 hash:	069121023d9c75c09938c8ddba185995ea179efc6aef8eacf94f202a40899eaffbbc0db44dba563a7ce1fc7f67bd3703
SHA1 hash:	aa7a8443fde26f15f709633d6b5d280e3556ec34
MD5 hash:	77f18b0b905c1f89e298656de65a5c31
humanhash:	ten-november-nebraska-lake
File name:	SecuriteInfo.com.XLM.Trojan.Abracadabra.42.Gen.2143.10813
Download:	download sample
Signature	SilentBuilder Create hunting rule
File size:	80'896 bytes
First seen:	2022-05-18 17:47:22 UTC
Last seen:	Never
File type:	xlsx
MIME type:	application/vnd.ms-excel
ssdeep	1536:rxKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGZAezwrMCtvJecvRtby6H:1Kpb8rGYrMPe3q7Q0XV5xtezEsi8/dg3
TLSH	T1AD836B4AB69AC95CE5238739499783A9B323FC150F6B07873509F3613FF49E09A0761B
TrID	80.2% (.XLS) Microsoft Excel sheet (32500/1/3) 19.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter	SecuriteInfoCom
Tags:	SilentBuilder xlsx

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

Maldoc score: 7

OLE dump

MalwareBazaar was able to identify 3 sections in this file using oledump:

Section ID	Section size	Section name
1	4096 bytes	DocumentSummaryInformation
2	4096 bytes	SummaryInformation
3	70196 bytes	Workbook

OLE vba

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

Type	Keyword	Description
AutoExec	Auto_Open	Runs when the Excel Workbook is opened
Suspicious	Hex Strings	Hex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
Suspicious	Base64 Strings	Base64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
Suspicious	XLM macro	XLM macro found. It may contain malicious code

Intelligence

File Origin

# of uploads :

# of downloads :

272

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

SecuriteInfo.com.XLM.Trojan.Abracadabra.42.Gen.2143.10813

Verdict:

Malicious activity

Analysis date:

2022-05-18 20:50:40 UTC

Tags:

macros opendir loader

Link:

https://app.any.run/tasks/185bf72d-156a-40d9-8a6a-01d82939d1ea

Note:

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

Verdict:

Legit

File type:

application/vnd.openxmlformats-officedocument.spreadsheetml.sheet

Has a screenshot:

False

Contains macros:

False

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/272202/

Detection(s):

SecuriteInfo.com.XLM.Trojan.Abracadabra.42.Gen.9514.26102.UNOFFICIAL

TwinWave.EvilDoc.XL4DataopItWasGoodLivingWithYou.20211109.UNOFFICIAL

Sanesecurity.Badmacro.Xls.abpw.UNOFFICIAL

SecuriteInfo.com.XLM.Trojan.Abracadabra.42.Gen.2143.10813.UNOFFICIAL

TwinWave.EvilDoc.Excel4DragoTrainingMontage.20210204.UNOFFICIAL

TwinWave.EvilDoc.XL4MStringFractures.20210921.UNOFFICIAL

TwinWave.EvilDoc.EmoZenith.20220420.UNOFFICIAL

TwinWave.EvilDoc.XL4QakyFeaturingNothingNowhere.M2.20210611.UNOFFICIAL

TwinWave.EvilDoc.DataOpGodGaveRockNRoll2U.20211215.UNOFFICIAL

TwinWave.EvilDoc.XL4QakyFeaturingNothingNowhere.M2.20220215.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Result

Verdict:

Malicious

File Type:

Legacy Excel File

Link:

https://app.docguard.net/ca841fc1b033f53c0b24b2f7714fe72c4572b162ad580a8c85fb6e88208d3a7a/results/dashboard

Payload URLs

URL

File name

https://airliftlimo.com/wp-admin/12DtB7kP6Ur8X77/

WorkBook

Document image

Image:

Download PNG

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

control.exe greyware macros macros-on-open packed stripped

Link:

https://www.filescan.io/uploads/628531436b2a366ce41c8e2f/reports/ac2a3452-4443-4545-a156-f04828c8c914/overview

Label:

Benign

Suspicious Score:

4.2/10

Score Malicious:

42%

Score Benign:

58%

Link:

https://www.malware.ai/gui/files/?id=b7ecdd55-490c-4481-be6a-3330f614e652

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/ca841fc1b033f53c0b24b2f7714fe72c4572b162ad580a8c85fb6e88208d3a7a

Details

Autostarting Excel Macro Sheet

Excel contains Macrosheet logic that will trigger automatically upon document open.

Result

Threat name:

Hidden Macro 4.0, Emotet

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/997040

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Document exploit detected (creates forbidden files)

Document exploit detected (drops PE files)

Document exploit detected (process start blacklist hit)

Document exploit detected (UrlDownloadToFile)

Drops PE files to the user root directory

Found Excel 4.0 Macro with suspicious formulas

Found malicious Excel 4.0 Macro

Hides that the sample has been downloaded from the Internet (zone.identifier)

Multi AV Scanner detection for submitted file

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

Office process drops PE file

Yara detected Emotet

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ca841fc1b033f53c0b24b2f7714fe72c4572b162ad580a8c85fb6e88208d3a7a/

Threat name:

Document-Office.Trojan.Abracadabra

Status:

Malicious

First seen:

2022-05-18 14:09:44 UTC

File Type:

Document

Extracted files:

AV detection:

18 of 40 (45.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=zkcb7qnqgp2tyczewl3xct7hfrcxfmlcvvmavdef7nxiqienhj5a._file

Result

Malware family:

emotet

Score:

10/10

Tags:

family:emotet botnet:epoch4 banker macro suricata trojan xlm

Link:

https://tria.ge/reports/220518-wde6lafaek/

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 SetWindowsHookEx

Suspicious use of WriteProcessMemory

Loads dropped DLL

Downloads MZ/PE file

Emotet

Process spawned unexpected child process

suricata: ET MALWARE W32/Emotet CnC Beacon 3

Malware Config

C2 Extraction:

51.254.140.238:7080
103.70.28.102:8080
5.9.116.246:8080
1.234.2.232:8080
209.250.246.206:443
58.227.42.236:80
72.15.201.15:8080
159.65.88.10:8080
189.126.111.200:7080
173.212.193.249:8080
188.44.20.25:443
134.122.66.193:8080
172.104.251.154:8080
103.75.201.2:443
150.95.66.124:8080
153.126.146.25:7080
103.43.75.120:443
203.114.109.124:443
27.54.89.58:8080
1.234.21.73:7080
146.59.226.45:443
185.8.212.130:7080
159.65.140.115:443
167.172.253.162:8080
45.235.8.30:8080
213.241.20.155:443
163.44.196.120:8080
45.118.115.99:8080
102.222.215.74:443
209.126.98.206:8080
77.81.247.144:8080
46.55.222.11:443
110.232.117.186:8080
212.237.17.99:8080
45.176.232.124:443
183.111.227.137:8080
101.50.0.91:8080
173.239.37.178:8080
206.189.28.199:8080
103.132.242.26:8080
201.94.166.162:443
158.69.222.101:443
82.165.152.127:8080
164.68.99.3:8080
209.97.163.214:443
172.105.70.96:443
185.4.135.165:8080
212.24.98.99:8080
149.56.131.28:8080
129.232.188.93:443
131.100.24.231:80
197.242.150.244:8080
94.23.45.86:4143
79.137.35.198:8080
91.207.28.33:8080
167.99.115.35:8080
152.136.229.39:8080
51.91.76.89:8080
119.193.124.41:7080
89.29.244.7:443
151.106.112.196:8080
196.218.30.83:443
160.16.142.56:8080

Dropper Extraction:

https://airliftlimo.com/wp-admin/12DtB7kP6Ur8X77/
http://robotixpenedes.com/wp-admin/2TH6NO3/
https://meusrecursos.com.br/wp-includes/rdxro/
https://litescape.com.my/wp-content/wh/
https://meusrecursos.com.br/wp-includes/Z2kfAYcYWp/
http://old.liceum9.ru/images/R/

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/ca841fc1b033f53c0b24b2f7714fe72c4572b162ad580a8c85fb6e88208d3a7a

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.

Rule name:	Excel_Hidden_Macro_Sheet Create hunting rule

Rule name:	Qbot Create hunting rule
Author:	Dhanunjaya
Description:	Yara Rule to Detect Qbot

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/272202/

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