MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c2a9e3b1d3063e986fc1b15a4b5633fce6fede8256b399e52899c49dcd8d16a. 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 3 File information Comments

SHA256 hash:	5c2a9e3b1d3063e986fc1b15a4b5633fce6fede8256b399e52899c49dcd8d16a
SHA3-384 hash:	f8fc1331dbc589f81e5f07128f98467e8637d7eb9ec26e4d78f38ef52b92bd97e05eddcafaa7ad9955c059dff014b5a8
SHA1 hash:	cbba9d248912d0d36312f79fb0849aa7dfaeb9f5
MD5 hash:	f2da11e637ebd62e41982a39f9d176ad
humanhash:	lactose-echo-fourteen-pluto
File name:	MES-0467746676.xls
Download:	download sample
Signature	SilentBuilder Create hunting rule
File size:	75'264 bytes
First seen:	2022-05-17 08:10:42 UTC
Last seen:	2022-05-18 09:48:53 UTC
File type:	xls
MIME type:	application/vnd.ms-excel
ssdeep	1536:DaKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgjAezwrMC1vJec/RtbIHjz:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgL
TLSH	T198734A4ABA89C96CE612873849D743A9B313FC150FAB078B3509F3727FF49A05A0751B
TrID	80.2% (.XLS) Microsoft Excel sheet (32500/1/3) 19.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter	pr0xylife
Tags:	epoch5 SilentBuilder xls

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	64684 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 :

224

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

PACK_1705.xls

Verdict:

Malicious activity

Analysis date:

2022-05-17 07:23:26 UTC

Tags:

macros

Link:

https://app.any.run/tasks/98c7edba-e729-47cb-9449-4d7cf1531e6c

Note:

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

Verdict:

Legit

File type:

application/vnd.ms-excel

Has a screenshot:

False

Contains macros:

False

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/271384/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

DNS request

Creating a file

Creating a process with a hidden window

Launching a process

Moving a recently created file

Sending a custom TCP request by exploiting the app vulnerability

Launching a process by exploiting the app vulnerability

Result

Verdict:

Malicious

File Type:

Legacy Excel File

Link:

https://app.docguard.net/5c2a9e3b1d3063e986fc1b15a4b5633fce6fede8256b399e52899c49dcd8d16a/results/dashboard

Payload URLs

URL

File name

https://microlent.com/admin/GgoC/

WorkBook

Document image

Image:

Download PNG

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

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

Link:

https://www.filescan.io/uploads/628358d26b2a366ce41818c8/reports/f7c48d75-d775-4789-a5d1-ed69d672b570/overview

Label:

Malicious

Suspicious Score:

5.5/10

Score Malicious:

56%

Score Benign:

44%

Link:

https://www.malware.ai/gui/files/?id=5b3f320b-c337-422a-be0f-cdbfab026627

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/5c2a9e3b1d3063e986fc1b15a4b5633fce6fede8256b399e52899c49dcd8d16a

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/995599

Signature

Antivirus / Scanner detection for submitted sample

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 domain / URL

Multi AV Scanner detection for dropped file

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

System process connects to network (likely due to code injection or exploit)

Yara detected Emotet

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5c2a9e3b1d3063e986fc1b15a4b5633fce6fede8256b399e52899c49dcd8d16a/

Threat name:

Document-Excel.Trojan.Abracadabra

Status:

Malicious

First seen:

2022-05-17 08:11:04 UTC

File Type:

Document

Extracted files:

AV detection:

20 of 26 (76.92%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=lqvj4oy5gbr6tbx4dmk2jnldh7hg73pievvtthssrgoetxgy2fva._file

Result

Malware family:

emotet

Score:

10/10

Tags:

family:emotet botnet:epoch5 banker macro suricata trojan xlm

Link:

https://tria.ge/reports/220517-j29c5ahca3/

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:

210.57.209.142:8080
103.56.149.105:8080
104.248.225.227:8080
102.210.135.187:23495
103.41.204.169:8080
175.126.176.79:8080
207.148.81.119:8080
72.4.161.141:54121
110.235.83.107:7080
54.38.242.185:443
103.133.214.242:8080
126.156.228.29:21905
88.217.172.165:8080
68.183.93.250:443
56.131.8.84:33519
159.69.237.188:443
51.68.141.164:8080
37.44.244.177:8080
49.94.121.99:37937
105.144.128.17:33675
54.37.228.122:443
68.183.91.111:8080
196.44.98.190:8080
78.47.204.80:443
37.59.209.141:8080
90.22.140.170:39576
116.124.128.206:8080
217.182.143.207:443
5.56.132.177:8080
93.104.209.107:8080
54.37.106.167:8080
134.122.119.23:8080
85.25.120.45:8080
59.148.253.194:443
139.196.72.155:8080
178.62.112.199:8080
103.8.26.17:8080
195.154.146.35:443
45.71.195.104:8080
103.42.58.120:7080
202.29.239.162:443
118.98.72.86:443
202.28.34.99:8080
60.40.175.21:56468
66.42.57.149:443
40.76.187.142:52746
190.90.233.66:443
194.9.172.107:8080
103.85.95.4:8080
185.148.168.220:8080
78.46.73.125:443
203.153.216.46:443
54.38.143.246:7080
62.171.178.147:8080
85.214.67.203:8080
195.77.239.39:8080
202.134.4.210:7080
36.67.23.59:443
59.173.56.126:59001
87.106.97.83:7080
188.225.32.231:4143
38.227.173.245:25619
69.67.98.54:54206

Dropper Extraction:

https://microlent.com/admin/GgoC/

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/5c2a9e3b1d3063e986fc1b15a4b5633fce6fede8256b399e52899c49dcd8d16a

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

Rule name:	SUSP_Excel4Macro_AutoOpen Create hunting rule
Author:	John Lambert @JohnLaTwC
Description:	Detects Excel4 macro use with auto open / close

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/271384/

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample