MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44ac93233199a7bc7e6f17be959844e6448f4e612f7f71909f2dfd41c3b388a7. 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 2 File information Comments

SHA256 hash:	44ac93233199a7bc7e6f17be959844e6448f4e612f7f71909f2dfd41c3b388a7
SHA3-384 hash:	4d12e2738b1641cd1053c1f49c57454f65992d7ed16cb747b9abec274d6fdf68c79a44f309cf7e31ef023e4e8ec12f05
SHA1 hash:	88530fc14e1f7cb7600258dff9e9980f9e952df3
MD5 hash:	9616ca400b972668c6642ebf632b3fa3
humanhash:	venus-blossom-golf-fruit
File name:	FOLLOW UP PAYMENT.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	591'360 bytes
First seen:	2022-07-21 11:28:13 UTC
Last seen:	2022-07-22 10:06:49 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:/YYP0u0T2iNcx8q1LqGl84xHubGdoIGCjcjcp78x3aC7CQo4:A+WT1Sxf1Ldl8UuX0cjTc
TLSH	T185C4D084F6C5C16DE4FBC77D0BF4947477F9FA228505E47A2EA01D8E4A52FC88A42932
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	GovCERT_CH
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

296

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/293157/

Detection(s):

SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a custom TCP request

Launching a process

Creating a file

Using the Windows Management Instrumentation requests

Creating a file in the %AppData% subdirectories

Reading critical registry keys

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Stealing user critical data

Unauthorized injection to a system process

Changing the hosts file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/62d9389a61945a46c8d82b82/reports/37987bca-c4f4-4865-adb7-c3ea3a118782/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/af6717e3-f17b-4a77-b264-d5935ec2504e

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.adwa.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1038544

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains very large strings

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

Initial sample is a PE file and has a suspicious name

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)

Snort IDS alert for network traffic

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)

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Generic Downloader

Yara detected Telegram RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/44ac93233199a7bc7e6f17be959844e6448f4e612f7f71909f2dfd41c3b388a7/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2022-07-21 08:28:57 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

30 of 40 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=iswjgizrtgt3y7tpc67jlgce4zci6ttbf57xdee7fx6udq5trctq._file

Verdict:

malicious

Label(s):

agenttesla

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla collection keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/220721-nljvrafehk/

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

Adds Run key to start application

Drops file in Drivers directory

AgentTesla

Malware Config

C2 Extraction:

https://api.telegram.org/bot5357159221:AAEuOoQ0pUc4ccIZou0EJ5Zin0mMneE2jYg/sendDocument

Unpacked files

SH256 hash:

5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6

MD5 hash:

01800f6b045def8d90c649842f56d752

SHA1 hash:

f8434a4636d0772d01aac44bb3f9753a41f01d34

Link:

https://www.unpac.me/results/a48cbe8a-0a7a-420c-a3fe-565af65bfdaf/

SH256 hash:

a47fa6555dfef950f8f3c81b3f0ee73b3039ddcae399c3fd9d5bc9336e268e40

MD5 hash:

3701e75d69c0a6aad846d5edb28f4b22

SHA1 hash:

c1027252d65b264e7c6b14fcd86892c735f213f5

Link:

https://www.unpac.me/results/a48cbe8a-0a7a-420c-a3fe-565af65bfdaf/

SH256 hash:

737b9aa9045e2e7607e6693c4166683749a74b2b3a334752ea1f0a8cb82f1250

MD5 hash:

2b13b26f6a3c1180bf959b4aa8310c49

SHA1 hash:

725d2647008c96766169e34c538cc398246d4365

Link:

https://www.unpac.me/results/a48cbe8a-0a7a-420c-a3fe-565af65bfdaf/

SH256 hash:

44ac93233199a7bc7e6f17be959844e6448f4e612f7f71909f2dfd41c3b388a7

MD5 hash:

9616ca400b972668c6642ebf632b3fa3

SHA1 hash:

88530fc14e1f7cb7600258dff9e9980f9e952df3

Link:

https://www.unpac.me/results/a48cbe8a-0a7a-420c-a3fe-565af65bfdaf/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/44ac93233199/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/44ac93233199a7bc7e6f17be959844e6448f4e612f7f71909f2dfd41c3b388a7

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.