MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199. 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: 19

Intelligence 19 IOCs YARA 9 File information Comments

SHA256 hash:	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199
SHA3-384 hash:	05df59cebdd29d24704253ae8e2677dc49c0506354a423cec3dc513ec1d031fed5335f87a588fdd724d80cb2d85cb6fd
SHA1 hash:	a28948d8b7456cc3e3ac2aaf244bbc35cee76b85
MD5 hash:	57b1ad0359c449cd533a34db4fc81a9d
humanhash:	stairway-orange-happy-oscar
File name:	ASCD0001 INQ9829......pdf.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	860'160 bytes
First seen:	2024-05-23 09:00:16 UTC
Last seen:	2024-05-23 09:26:47 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	24576:Qw4bjw4bDmrejmh1ezUjX/sCDQzPcbgV7:Qw4bjw4bDljtUjPsCDQgbw
Threatray	4'538 similar samples on MalwareBazaar
TLSH	T1FB050260F2FA8B11E9789BF6402501406FFEB84AA572E24D5DD570EA7971F408F21F2B
TrID	69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10523/12/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):
dhash icon	187860d9d9647818 (11 x AgentTesla, 5 x Formbook, 1 x Loki)
Reporter	TeamDreier
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

319

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe

Verdict:

Malicious activity

Analysis date:

2024-05-23 09:08:36 UTC

Tags:

evasion stealer agenttesla exfiltration

Link:

https://app.any.run/tasks/5d7d61f3-1a50-4727-9e3e-ccd75c2f361a

Note:

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

Detection(s):

SecuriteInfo.com.Trojan.PackedNET.2855.25719.6350.UNOFFICIAL

Verdict:

Malicious

Score:

95.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=664f05e602cf134c1c7f84a6win7simulatehigh_evasion

Tags:

Generic Stealth Msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Using the Windows Management Instrumentation requests

DNS request

Connection attempt

Sending a custom TCP request

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

masquerade packed

Link:

https://www.filescan.io/uploads/664f05d19c0b71aaf5225d37/reports/8cd2f838-27a2-43e9-a068-c8d7f720d4b3/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199

Result

Verdict:

MALICIOUS

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/55a072dd-07f8-4884-9f81-cb55eee87d40

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1446391

Signature

.NET source code contains potential unpacker

AI detected suspicious sample

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Machine Learning detection for sample

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: Suspicious Double Extension File Execution

Snort IDS alert for network traffic

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)

Yara detected AgentTesla

Yara detected AntiVM3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-05-21 13:29:45 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

21 of 38 (55.26%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=7sybfacwpg5zt77lt5jv6bxbywkawu6xop2spy5jv32tofkaugmq._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

47fc622827b4898f1fd2735731f6d8c03ba59f65c81411233d4844211749262e

AgentTesla

5841a93953d6b4e4738dd00e75af548786072e921f2a8526220f7f29b6dba53a

AgentTesla

5f18177e3983cc801653cb1da190145a1e83cc5b277ea0246107c15f165bb554

AgentTesla

719b90e90ec80dc97228c3bf8116c9a45fd3636a93e4d0c6917fb8de7f719ef8

AgentTesla

+ 4'528 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla collection keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240523-kywhjabe33/

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

Looks up external IP address via web service

Reads WinSCP keys stored on the system

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/a0eabb1e-9743-4eed-b2d9-9e0ef3f55451

Unpacked files

SH256 hash:

0b7dcc18b0ef39734a24ca5923b02df82c670d08365fe376f2ed4ff9fcbc6303

MD5 hash:

0441cc0dacc6d821252e66a156b1d9bd

SHA1 hash:

df46cc702950a53a5de7b804d2076ef03f8ac6b4

Link:

https://www.unpac.me/results/a8b3f6c5-1cac-4998-80bb-4da45179b6b6/

SH256 hash:

e20da8c954999d1e01040867dcb3b6660d13126973d5a78a67cfc20093fa8128

MD5 hash:

d9a32cfa1ed7d8722f32edf0fff5969b

SHA1 hash:

de3734539ddb0a58821d2317867a606ca3319e3b

Detections:

AgentTesla

win_agent_tesla_bytecodes_sep_2023

INDICATOR_EXE_Packed_GEN01

Link:

https://www.unpac.me/results/a8b3f6c5-1cac-4998-80bb-4da45179b6b6/

Parent samples :
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SH256 hash:

f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a

MD5 hash:

d172f59251b97b415b621d302e1be2b7

SHA1 hash:

b1534e603749c901b5ac185f20e281f6be7fa908

Link:

https://www.unpac.me/results/a8b3f6c5-1cac-4998-80bb-4da45179b6b6/

SH256 hash:

e52f2d7ae8219f947019f1e43eed85dc807a076fc1ea4f3d05beb94e7dd1e761

MD5 hash:

2fe711f8fd0020b102fff4441b38b234

SHA1 hash:

88989ca94be4db6094688084e632ce483cfe8074

Link:

https://www.unpac.me/results/a8b3f6c5-1cac-4998-80bb-4da45179b6b6/

SH256 hash:

fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199

MD5 hash:

57b1ad0359c449cd533a34db4fc81a9d

SHA1 hash:

a28948d8b7456cc3e3ac2aaf244bbc35cee76b85

Link:

https://www.unpac.me/results/a8b3f6c5-1cac-4998-80bb-4da45179b6b6/

Malware family:

AgentTesla.v4

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/fcb012805679/report/overview.html

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

Threat name:

Malicious File

Score:

0.96

Link:

https://yomi.yoroi.company/submissions/fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199

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

Rule name:	AgentTeslaV4 Create hunting rule
Author:	kevoreilly
Description:	AgentTesla Payload

Rule name:	INDICATOR_EXE_Packed_GEN01 Create hunting rule
Author:	ditekSHen
Description:	Detect packed .NET executables. Mostly AgentTeslaV4.

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

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

Rule name:	Windows_Generic_Threat_9f4a80b2 Create hunting rule
Author:	Elastic Security

File information

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

Malspam

AgentTesla

exe fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199

(this sample)

Delivery method

Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

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