MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbc738e3c8b9d01e23790a5bc0542c33f433047b4c0a6df36af6306402660f73. 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

AgentTesla

Vendor detections: 17

Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash:	fbc738e3c8b9d01e23790a5bc0542c33f433047b4c0a6df36af6306402660f73
SHA3-384 hash:	4d7f0816e3d08459beb690e82d2317338b5721054ed19272abd8045075861c9fc2f34fb03eb248081a5406285fdd6674
SHA1 hash:	bf6677cd9cace3f82253a138b7a7830d2f636f04
MD5 hash:	a537a8b30626755585ecec529c402696
humanhash:	hamper-magnesium-hydrogen-spaghetti
File name:	CIEncY4#$.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	586'240 bytes
First seen:	2023-06-26 12:55:43 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	12288:rbsS8eHmJND5+LfiQa6c1PLdEhHmgeVdDSLfRmgLp6Yuhvk:rHCNufM1ZEkHWLfRbfu5k
Threatray	38 similar samples on MalwareBazaar
TLSH	T143C4F13932F89E23CAB850F59802604567F182772962F7CE1FC1F5DE21D6B806B6578B
TrID	71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter	lowmal3
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

274

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

CIEncY4#$.exe

Verdict:

Malicious activity

Analysis date:

2023-06-26 12:58:15 UTC

Tags:

agenttesla

Link:

https://app.any.run/tasks/07d93e1f-b312-4039-8c2d-e336a546632a

Note:

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

Detection:

AgentTesla

Link:

https://www.capesandbox.com/analysis/402944/

Detection(s):

SecuriteInfo.com.Trojan.Siggen21.740.5879.1833.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Sending a custom TCP request

Creating a process with a hidden window

Launching a process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

formbook packed

Link:

https://www.filescan.io/uploads/64998ae304bae722a2dcb65f/reports/41b2e373-bd0e-4e2e-8dfc-38031b965562/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/fbc738e3c8b9d01e23790a5bc0542c33f433047b4c0a6df36af6306402660f73

Result

Verdict:

UNKNOWN

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/75b95b4c-386e-47ea-9a67-3f49684e34ae

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1261457

Signature

.NET source code contains potential unpacker

Adds a directory exclusion to Windows Defender

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Found malware configuration

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Machine Learning detection for sample

May check the online IP address of the machine

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

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

Sample uses string decryption to hide its real strings

Sigma detected: Scheduled temp file as task from temp location

Snort IDS alert for network traffic

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

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

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

Yara detected AgentTesla

Yara detected Telegram RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/fbc738e3c8b9d01e23790a5bc0542c33f433047b4c0a6df36af6306402660f73/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2023-06-26 07:36:19 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7pdtry6ixhib4i3zbjn4avbmgp2dgbd3jqfg343k6yygiatgb5zq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

1ba924a1929390c208baacddcfa9ad01b115234fb5e699848bbefa2144c6f9f9

AgentTesla

3128342e14d0e3fdf92828d146cc86bc6f52520cd792b043f72e20eddb022e10

AgentTesla

54959cafb25e974b115becc4c5e8154beed352e95f3fdcd5adf3d2752cc6376e

AgentTesla

5afc34ba8d87868898a975c8a82a6817739d9ff294fae609b2ca293ac5e478a6

AgentTesla

b4808e6181c33178c778467beec7f8ce933b0ba767c4a78821e95776a0655e6c

AgentTesla

be91f662c6129ebed98724e3bcc3b1756f34ae703ecd0c2d1b7b24680a911b02

AgentTesla

c80ff12cdbd7537e9440b4337acb944b16eed326bc3552b87224da47f826fbb6

AgentTesla

d7b0e7f292354e86e9d8e57d99eb0430db5ea3ade7ebdb31e7186b3092136fe1

AgentTesla

+ 28 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla collection keylogger spyware stealer trojan

Link:

https://tria.ge/reports/230626-p6b63shg76/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Enumerates physical storage devices

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Checks computer location settings

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla

Malware Config

C2 Extraction:

https://api.telegram.org/bot1591373451:AAH6Q2mvjdA9146Wl0khv2-kuh-iTps2zjw/

Unpacked files

SH256 hash:

e8dcf4a845711d133ec7a59456903a4f900ecc818973ff0b30b0404fdf4507ca

MD5 hash:

49055511ea2fac99e305981a9a591d93

SHA1 hash:

df2cb7b787b3dbe4a6e1c02380da37596640a44e

Link:

https://www.unpac.me/results/3c3b7d0c-0077-40c9-96af-fe441de2cbcf/

SH256 hash:

8ddde534390fe474548ed766656837738623471f4b97812fc8ab2d327bf31841

MD5 hash:

ca582f90b1fb457512b3ed16c6cc185b

SHA1 hash:

b4ec99ce1da17b771e9e63a362a70cf34fc196a6

Link:

https://www.unpac.me/results/3c3b7d0c-0077-40c9-96af-fe441de2cbcf/

SH256 hash:

a1c64601ac5996698b33ba0e1bcf77d7a856dfb8e3b683adaa387587eb4a989d

MD5 hash:

c2e769c6e117eb8b18ec0a822a318aa8

SHA1 hash:

819bf990b8766d79057798f720a6fe8adb27fa11

Detections:

AgentTeslaXorStringsNet

Link:

https://www.unpac.me/results/3c3b7d0c-0077-40c9-96af-fe441de2cbcf/

SH256 hash:

e8dcf4a845711d133ec7a59456903a4f900ecc818973ff0b30b0404fdf4507ca

MD5 hash:

49055511ea2fac99e305981a9a591d93

SHA1 hash:

df2cb7b787b3dbe4a6e1c02380da37596640a44e

Link:

https://www.unpac.me/results/3c3b7d0c-0077-40c9-96af-fe441de2cbcf/

SH256 hash:

68f415ab5ad686e3c50f2bd080b5dae527005907fa2757d675fe4fabce466541

MD5 hash:

fe1dc254ed9e3501b7a6a5f6a20194e7

SHA1 hash:

31971347bf63d60cadcfba6857b8b7237bfc986f

Link:

https://www.unpac.me/results/3c3b7d0c-0077-40c9-96af-fe441de2cbcf/

SH256 hash:

8ddde534390fe474548ed766656837738623471f4b97812fc8ab2d327bf31841

MD5 hash:

ca582f90b1fb457512b3ed16c6cc185b

SHA1 hash:

b4ec99ce1da17b771e9e63a362a70cf34fc196a6

Link:

https://www.unpac.me/results/3c3b7d0c-0077-40c9-96af-fe441de2cbcf/

SH256 hash:

a1c64601ac5996698b33ba0e1bcf77d7a856dfb8e3b683adaa387587eb4a989d

MD5 hash:

c2e769c6e117eb8b18ec0a822a318aa8

SHA1 hash:

819bf990b8766d79057798f720a6fe8adb27fa11

Detections:

AgentTeslaXorStringsNet

Link:

https://www.unpac.me/results/3c3b7d0c-0077-40c9-96af-fe441de2cbcf/

SH256 hash:

68f415ab5ad686e3c50f2bd080b5dae527005907fa2757d675fe4fabce466541

MD5 hash:

fe1dc254ed9e3501b7a6a5f6a20194e7

SHA1 hash:

31971347bf63d60cadcfba6857b8b7237bfc986f

Link:

https://www.unpac.me/results/3c3b7d0c-0077-40c9-96af-fe441de2cbcf/

SH256 hash:

e8dcf4a845711d133ec7a59456903a4f900ecc818973ff0b30b0404fdf4507ca

MD5 hash:

49055511ea2fac99e305981a9a591d93

SHA1 hash:

df2cb7b787b3dbe4a6e1c02380da37596640a44e

Link:

https://www.unpac.me/results/3c3b7d0c-0077-40c9-96af-fe441de2cbcf/

SH256 hash:

8ddde534390fe474548ed766656837738623471f4b97812fc8ab2d327bf31841

MD5 hash:

ca582f90b1fb457512b3ed16c6cc185b

SHA1 hash:

b4ec99ce1da17b771e9e63a362a70cf34fc196a6

Link:

https://www.unpac.me/results/3c3b7d0c-0077-40c9-96af-fe441de2cbcf/

SH256 hash:

a1c64601ac5996698b33ba0e1bcf77d7a856dfb8e3b683adaa387587eb4a989d

MD5 hash:

c2e769c6e117eb8b18ec0a822a318aa8

SHA1 hash:

819bf990b8766d79057798f720a6fe8adb27fa11

Detections:

AgentTeslaXorStringsNet

Link:

https://www.unpac.me/results/3c3b7d0c-0077-40c9-96af-fe441de2cbcf/

SH256 hash:

68f415ab5ad686e3c50f2bd080b5dae527005907fa2757d675fe4fabce466541

MD5 hash:

fe1dc254ed9e3501b7a6a5f6a20194e7

SHA1 hash:

31971347bf63d60cadcfba6857b8b7237bfc986f

Link:

https://www.unpac.me/results/3c3b7d0c-0077-40c9-96af-fe441de2cbcf/

SH256 hash:

e8dcf4a845711d133ec7a59456903a4f900ecc818973ff0b30b0404fdf4507ca

MD5 hash:

49055511ea2fac99e305981a9a591d93

SHA1 hash:

df2cb7b787b3dbe4a6e1c02380da37596640a44e

Link:

https://www.unpac.me/results/3c3b7d0c-0077-40c9-96af-fe441de2cbcf/

SH256 hash:

8ddde534390fe474548ed766656837738623471f4b97812fc8ab2d327bf31841

MD5 hash:

ca582f90b1fb457512b3ed16c6cc185b

SHA1 hash:

b4ec99ce1da17b771e9e63a362a70cf34fc196a6

Link:

https://www.unpac.me/results/3c3b7d0c-0077-40c9-96af-fe441de2cbcf/

SH256 hash:

a1c64601ac5996698b33ba0e1bcf77d7a856dfb8e3b683adaa387587eb4a989d

MD5 hash:

c2e769c6e117eb8b18ec0a822a318aa8

SHA1 hash:

819bf990b8766d79057798f720a6fe8adb27fa11

Detections:

AgentTeslaXorStringsNet

Link:

https://www.unpac.me/results/3c3b7d0c-0077-40c9-96af-fe441de2cbcf/

SH256 hash:

68f415ab5ad686e3c50f2bd080b5dae527005907fa2757d675fe4fabce466541

MD5 hash:

fe1dc254ed9e3501b7a6a5f6a20194e7

SHA1 hash:

31971347bf63d60cadcfba6857b8b7237bfc986f

Link:

https://www.unpac.me/results/3c3b7d0c-0077-40c9-96af-fe441de2cbcf/

SH256 hash:

fbc738e3c8b9d01e23790a5bc0542c33f433047b4c0a6df36af6306402660f73

MD5 hash:

a537a8b30626755585ecec529c402696

SHA1 hash:

bf6677cd9cace3f82253a138b7a7830d2f636f04

Link:

https://www.unpac.me/results/3c3b7d0c-0077-40c9-96af-fe441de2cbcf/

Malware family:

AgentTesla.v4

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/fbc738e3c8b9/report/overview.html

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/fbc738e3c8b9d01e23790a5bc0542c33f433047b4c0a6df36af6306402660f73

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:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

File information

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

Malspam

AgentTesla

exe fbc738e3c8b9d01e23790a5bc0542c33f433047b4c0a6df36af6306402660f73

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/402944/

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