MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 891dae2ec0ca4748d2f3daff93add1e8a88dd761e9265d8c7a40dbf5bcf5a217. 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: 12

Intelligence 12 IOCs YARA 7 File information Comments 1

SHA256 hash:	891dae2ec0ca4748d2f3daff93add1e8a88dd761e9265d8c7a40dbf5bcf5a217
SHA3-384 hash:	580221c1bd4efa353b9a8e486db6af9a6dc1712984498d588d18db0ecbf082915b23047ee4c1321544ca9b460f896d82
SHA1 hash:	ba81404f994f6a3ae32ad5ba3ee0deaebebcf8ea
MD5 hash:	5eea3ffaf10171ccbdb8b98c5a75a87f
humanhash:	bakerloo-alaska-mississippi-uranus
File name:	5eea3ffaf10171ccbdb8b98c5a75a87f
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	497'664 bytes
First seen:	2022-04-28 12:33:26 UTC
Last seen:	2022-05-02 12:55:58 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	12288:by6jhwpjb+Jf1VP02bz5MmmHbqXL4p2yPYHOrG7t:jjqxbk1Vvv2mmHmL4pJPYurG
Threatray	16'840 similar samples on MalwareBazaar
TLSH	T1C5B4ADE836818AE3CE66C97F57ED5F9111F012728539F7436F4063E00693AAF6B21AC1
TrID	64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.5% (.SCR) Windows screen saver (13101/52/3) 9.2% (.EXE) Win64 Executable (generic) (10523/12/4) 5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter	zbetcheckin
Tags:	32 AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

297

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/267549/

Detection(s):

SecuriteInfo.com.W32.AIDetectNet.01.16798.15936.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a custom TCP request

Сreating synchronization primitives

Unauthorized injection to a recently created process

Creating a file

Using the Windows Management Instrumentation requests

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

control.exe obfuscated packed update.exe

Link:

https://www.filescan.io/uploads/626a89bf2b32b1c37c6c0c76/reports/9fd62fb2-229a-43f0-82e5-480475b254ba/overview

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/cf52f499-6ed7-446a-bc6c-1690318d7f36

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.adwa.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/984837

Signature

.NET source code contains very large array initializations

Found malware configuration

Injects a PE file into a foreign processes

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Modifies the hosts file

Multi AV Scanner detection for submitted file

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)

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

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

Tries to harvest and steal ftp login credentials

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

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

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

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Telegram RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/891dae2ec0ca4748d2f3daff93add1e8a88dd761e9265d8c7a40dbf5bcf5a217/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2022-04-28 12:14:43 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 26 (84.62%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=reo24lwazjduruxt3l7zhlor5cui3v3b5etf3dd2idn7lphvuilq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

4da81193e997d07e0f2561aaef2166d0847a6d7692f5dd8adf8abd4bd67bd81f

AgentTesla

9f843bd3e6656eb8f6c60aa4bb8bd46cc151657fd27c5a121b22e64148867894

AgentTesla

bb653fb67eddef601134e1e12ca3b3a56ed21999a0649f009641e40e6002b972

AgentTesla

bbd568d64ddafd7cdcf62bb8ac92292680d8028f44461d84235db8f8e357b12c

AgentTesla

c5c7a8ec43736c95063e73a4d1ecfb6d4fd2ba09e774661699f56871e32c3440

AgentTesla

c79c2d8ccfbd05196340d13ee9698179e18c82960ab1c457ab8b09c92d4a02c0

AgentTesla

+ 16'830 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla collection keylogger spyware stealer trojan

Link:

https://tria.ge/reports/220428-prrcfsbgf9/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Drops file in Drivers directory

AgentTesla Payload

AgentTesla

Malware Config

C2 Extraction:

https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/sendDocument

Unpacked files

SH256 hash:

663b63a81d5672cf5bb685f69cf8fa7bf2705b4b794b063f6bcee2ec120fcf88

MD5 hash:

5811ec9029f8deb6cb8541d522c127f7

SHA1 hash:

238b6decaf0658f10f0b4570a65ce32fb39ea414

Link:

https://www.unpac.me/results/8335802c-325b-437b-92d2-c70a5becb35f/

SH256 hash:

79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696

MD5 hash:

39f524c1ab0eb76dfd79b2852e5e8c39

SHA1 hash:

428018e1701006744e34480b0029982a76d8a57d

Link:

https://www.unpac.me/results/8335802c-325b-437b-92d2-c70a5becb35f/

SH256 hash:

de48cbe6923f4b85aef668c6f10cc92777722e95e4f4ebed62eeb20689804140

MD5 hash:

d7b84a1c3334658ff9eca3f3069cdfee

SHA1 hash:

fa83442adffec97eab080ea363d1e0eb5abb7402

Link:

https://www.unpac.me/results/8335802c-325b-437b-92d2-c70a5becb35f/

Parent samples :
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SH256 hash:

891dae2ec0ca4748d2f3daff93add1e8a88dd761e9265d8c7a40dbf5bcf5a217

MD5 hash:

5eea3ffaf10171ccbdb8b98c5a75a87f

SHA1 hash:

ba81404f994f6a3ae32ad5ba3ee0deaebebcf8ea

Link:

https://www.unpac.me/results/8335802c-325b-437b-92d2-c70a5becb35f/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/891dae2ec0ca/report/overview.html

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

Threat name:

Suspicious File

Score:

0.51

Link:

https://yomi.yoroi.company/submissions/891dae2ec0ca4748d2f3daff93add1e8a88dd761e9265d8c7a40dbf5bcf5a217

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:	ach_AgentTesla_20200929 Create hunting rule
Author:	abuse.ch
Description:	Detects AgentTesla PE

Rule name:	AgentTeslaV3 Create hunting rule
Author:	ditekshen
Description:	AgentTeslaV3 infostealer payload

Rule name:	AgentTesla_test Create hunting rule
Author:	abuse.ch
Description:	Detects AgentTesla PE

Rule name:	MALWARE_Win_AgentTeslaV3 Create hunting rule
Author:	ditekSHen
Description:	AgentTeslaV3 infostealer payload

Rule name:	pe_imphash Create hunting rule

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

Rule name:	win_agent_tesla_v1 Create hunting rule
Author:	Johannes Bader @viql
Description:	detects Agent Tesla

File information

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

Web download

AgentTesla

exe 891dae2ec0ca4748d2f3daff93add1e8a88dd761e9265d8c7a40dbf5bcf5a217

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2169877/

Cape

https://www.capesandbox.com/analysis/267549/

Comments

Login required

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

zbet commented on 2022-04-28 12:33:27 UTC

url : hxxp://172.245.27.27/TTCOPY.exe