MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48bc31d1007f2b0983ae960135c7b99868ed639e4278f45dd10b66f84bc7fbf1. 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: 8

Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash:	48bc31d1007f2b0983ae960135c7b99868ed639e4278f45dd10b66f84bc7fbf1
SHA3-384 hash:	dba777d8dfad14eb1981dff9a5bb95aaa08174a71c7e2bd1b833ac9630d25313e4f80e66754a4bfda64b4add13aa32f8
SHA1 hash:	d47242a032f80bb80cad7ba5142ce03c522f5322
MD5 hash:	c36c48e62a16975840f9aa5ed2d37798
humanhash:	floor-jersey-venus-seven
File name:	NEW ORDER PO 14.08.20.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	488'448 bytes
First seen:	2020-08-14 08:43:39 UTC
Last seen:	2020-08-14 09:42:42 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:jbIazCNoOLwsuwsmiIN1vUNqk2+smcNH3MwLUqCfIkngV8x8:52osws7V1vUNq9mIH3MwLURfIuB
Threatray	10'652 similar samples on MalwareBazaar
TLSH	7DA4E03A52F1D809C03BF57E9258908BB1D79C9F04A5CB1B69EC0DE40E351EA46A6DFC
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: bitisgroup.vn
Sending IP: 106.75.139.70
From: Ngoc My <ngocmy.ta@bitisgroup.vn>
Subject: NEW ORDER PO 14/08/20
Attachment: NEW ORDER PO 14.08.20.pdf.z (contains "NEW ORDER PO 14.08.20.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/45644/

Detection(s):

SecuriteInfo.com.Trojan.Siggen10.4036.25896.13931.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Launching a process

Creating a file

Using the Windows Management Instrumentation requests

Unauthorized injection to a system process

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/429030

Signature

Binary contains a suspicious time stamp

Found malware configuration

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

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: MSBuild connects to smtp port

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 access)

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/48bc31d1007f2b0983ae960135c7b99868ed639e4278f45dd10b66f84bc7fbf1/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-14 08:45:09 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jc6dduiap4vqta5osyatlr5ztbuo2y46ij4pixorbntpqs6h7pyq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

374da77f56a763236c07c8313f3702534043524af5dda3b5d084e127e0c6450b

AgentTesla

65352221fc82526f39fc8ea925e9478a2268f85415bbaa6ca96c037b3f350ef4

AgentTesla

6dcfdbf37b4eda93ae3466ba898d3c33170c8f10886fbf548fb82a40145caa87

AgentTesla

77bbe59685fd4ba30b0f14c6471ba479adbe790de6499c7ea2370b2055fcc9c3

AgentTesla

84025b3730f79fce216edfff6f7b0c596972dad42f7368f1ee5d88b6f7bd7ba4

AgentTesla

85659697a82a4df981d265f5c8702e29e4e1208dac08ab1cb76f2e9cf9bd015c

AgentTesla

9c93fbc5473c25600f4a7489ab89cd46e5bacda862da1b347fad0bdcbd4df50e

AgentTesla

e65672cd30a737479893bcee2e0d3842dd61e0bf882e476bdb53b00ff9a02379

AgentTesla

ec34c3db0d2c865486e52760c0d35dab95adcb3544f2e03f5023495d112d64ba

AgentTesla

+ 10'642 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200814-hftg95pzz6/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla Payload

AgentTesla

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

Threat name:

Trojan

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/48bc31d1007f2b0983ae960135c7b99868ed639e4278f45dd10b66f84bc7fbf1

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:	Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	CAP_HookExKeylogger Create hunting rule
Author:	Brian C. Bell -- @biebsmalwareguy
Reference:	https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar