MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2e41bd43fc986ccc5fa61db652cb4a0efc65dadcaf5157eccc27f0bd60a1122. 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:	f2e41bd43fc986ccc5fa61db652cb4a0efc65dadcaf5157eccc27f0bd60a1122
SHA3-384 hash:	ef84b44e4e20d711791ab0c98695ef1f353f929930825867f2c19d899151fc2611d1a7f20c97f20a184a7f1bcceb89a9
SHA1 hash:	ddca1771dcc14b1307a71ed8d9ba55515ed02b22
MD5 hash:	3ef62d5461fb89a50402f2fc9cc0e24d
humanhash:	ink-table-mississippi-muppet
File name:	MLG22003417-220034.xlsx
Download:	download sample
Signature	AgentTesla Alert Create hunting rule
File size:	358'400 bytes
First seen:	2022-04-14 05:41:37 UTC
Last seen:	Never
File type:	xlsx
MIME type:	application/encrypted
ssdeep	6144:vFjdEv8HAVjerCgCeujxOSRzRJJ+xBgxsnb735gmELtkkE/lwL3lxn:NS7ecVNJJDsnH+/x7A0
TLSH	T1FD7413FB72AA1309E4B29637CEE449F7519CFF515BB09244189EBA4602BDB311F31222
Reporter	abuse_ch
Tags:	AgentTesla CVE-2018-0802 VelvetSweatshop 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

Detection: VelvetSweatshop

MalwareBazaar was able to identify 6 sections in this file using oledump:

Section ID	Section size	Section name
1	64 bytes	DataSpaces/DataSpaceInfo/StrongEncryptionDataSpace
2	112 bytes	DataSpaces/DataSpaceMap
3	208 bytes	DataSpaces/TransformInfo/StrongEncryptionTransform/Primary
4	76 bytes	DataSpaces/Version
5	351272 bytes	EncryptedPackage
6	224 bytes	EncryptionInfo

Intelligence

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File Origin

# of uploads :

1

# of downloads :

235

Origin country :

n/a

Vendor Threat Intelligence

ANY.RUN Malicious

Malware family:

n/a

ID:

1

File name:

MLG22003417-220034.xlsx

Verdict:

Malicious activity

Analysis date:

2022-04-14 05:49:05 UTC

Tags:

encrypted exploit CVE-2017-11882 loader

Link:

https://app.any.run/tasks/8419689b-7249-43c4-a12a-f6ec7286f587

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/263556/

ClamAV Detected

Detection(s):

SecuriteInfo.com.Exploit.CVE-2018-0802.Gen.11796.207.UNOFFICIAL

Alert

Create hunting rule

PUA.Doc.Packed.EncryptedDoc-6563700-0

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Sending a custom TCP request

Creating a window

Searching for synchronization primitives

Launching a process

Creating a file

Сreating synchronization primitives

Sending an HTTP GET request to an infection source by exploiting the app vulnerability

Creating a process from a recently created file

DocGuard Malicious

Result

Verdict:

Malicious

File Type:

OOXML Excel File with Embedding Objects in Encrypted Excel File

Link:

https://app.docguard.net/f2e41bd43fc986ccc5fa61db652cb4a0efc65dadcaf5157eccc27f0bd60a1122/results/dashboard

Document image

Image:

Download PNG

FileScan.IO No Threat

Verdict:

No Threat

Threat level:

  2/10

Confidence:

100%

Tags:

VelvetSweatshop

Link:

https://www.filescan.io/uploads/6257b431eab80a7a6c102942/reports/d4d28167-3d20-4c50-bcfc-c6fe1bbd111f/overview

inlyse Malware.AI Malicious

Label:

Malicious

Suspicious Score:

6.5/10

Score Malicious:

65%

Score Benign:

35%

Link:

https://www.malware.ai/gui/files/?id=af481d5d-8d51-4093-8a31-e90aefb368f9

InQuest MALICIOUS

Result

Verdict:

MALICIOUS

Link:

https://labs.inquest.net/dfi/sha256/f2e41bd43fc986ccc5fa61db652cb4a0efc65dadcaf5157eccc27f0bd60a1122

Details

Document With No Content

Document contains little or no semantic information.

Joe Sandbox AgentTesla

Result

Threat name:

AgentTesla

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.adwa.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/976643

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Adds a directory exclusion to Windows Defender

Allocates memory in foreign processes

Antivirus detection for URL or domain

Drops PE files to the user root directory

Found malware configuration

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

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Malicious sample detected (through community Yara rule)

Modifies the hosts file

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Office equation editor drops PE file

Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)

Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments

Sigma detected: Droppers Exploiting CVE-2017-11882

Sigma detected: EQNEDT32.EXE connecting to internet

Sigma detected: Execution from Suspicious Folder

Sigma detected: File Dropped By EQNEDT32EXE

Sigma detected: Parent in Public Folder Suspicious Process

Sigma detected: Suspicious Add Scheduled Task From User AppData Temp

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

Uses schtasks.exe or at.exe to add and modify task schedules

Uses the Telegram API (likely for C&C communication)

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Telegram RAT

Behaviour

Behavior Graph:

Download SVG

CERT.PL MWDB agenttesla

Detection:

agenttesla

Alert

Create hunting rule

Link:

https://mwdb.cert.pl/sample/f2e41bd43fc986ccc5fa61db652cb4a0efc65dadcaf5157eccc27f0bd60a1122/

ReversingLabs TitaniumCloud Document-Office.Exploit.CVE-2018-0802

Threat name:

Document-Office.Exploit.CVE-2018-0802

Alert

Create hunting rule

Status:

Malicious

First seen:

2022-04-13 18:43:23 UTC

File Type:

Document

Extracted files:

63

AV detection:

16 of 41 (39.02%)

Threat level:

  5/5

Spamhaus Hash Blocklist Suspicious file

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6lsbxvb7zgdmzrp2mhnwklfuudx4mxnnzl2rk7wmyj7qxvqkcera._file

Hatching Triage agenttesla

Result

Malware family:

agenttesla

Alert

Create hunting rule

Score:

  10/10

Tags:

family:agenttesla collection keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/220414-gd1pzagffm/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Launches Equation Editor

Modifies Internet Explorer settings

Modifies registry class

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Loads dropped DLL

Uses the VBS compiler for execution

Blocklisted process makes network request

Downloads MZ/PE file

Executes dropped EXE

Malware Config

C2 Extraction:

https://api.telegram.org/bot5160342877:AAG7aI_cOY3UzpErIEUdfVUJMJszvGYLIiI/sendDocument

VirusTotal

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

YOROI YOMI Legit

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/f2e41bd43fc986ccc5fa61db652cb4a0efc65dadcaf5157eccc27f0bd60a1122

File information

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

Malspam

AgentTesla

xlsx f2e41bd43fc986ccc5fa61db652cb4a0efc65dadcaf5157eccc27f0bd60a1122

(this sample)

  

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/263556/

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