MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0a4c89d0cbbc4857a4ae272d302ae66b9967181014b38368df83be46cbdf5c25. 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 19 File information Comments

SHA256 hash:	0a4c89d0cbbc4857a4ae272d302ae66b9967181014b38368df83be46cbdf5c25
SHA3-384 hash:	8abb90661605e3406098ad2749ae093da3f6258f3a963ac7b981fd8e88b65068e3a295a8a8fcaaa5de3b03054ddc02b2
SHA1 hash:	19280711bcfd0935d4560142d59c7655e5457949
MD5 hash:	d9ddcb7eafcd650e09a309db0a67698b
humanhash:	lemon-nebraska-robert-sixteen
File name:	Payment advice_1600001165.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	776'712 bytes
First seen:	2024-04-04 05:30:06 UTC
Last seen:	2024-04-04 06:17:47 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep	12288:FPGmMZce/qawWlkqmsRso1BgYjo7oznfgBFwgzmK1TsX7PzuZ7EPrlOpLTvnFaHi:FMgkPso1BgYuWnfEwgyosLSREZOvL
TLSH	T135F4125577BC6617D73B36B2B47916145B73BA82B835E38D1CA190ED28F2F808960B33
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
dhash icon	69d496b271e8d010 (7 x AgentTesla, 4 x Formbook)
Reporter	lowmal3
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

295

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

0a4c89d0cbbc4857a4ae272d302ae66b9967181014b38368df83be46cbdf5c25.exe

Verdict:

Malicious activity

Analysis date:

2024-04-04 05:31:58 UTC

Tags:

stealer agenttesla

Link:

https://app.any.run/tasks/ff621a91-8ded-4bee-86fd-d662c5a4391d

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Using the Windows Management Instrumentation requests

Reading critical registry keys

DNS request

Connection attempt

Sending a custom TCP request

Setting a keyboard event handler

Launching a process

Moving a file to the Program Files subdirectory

Replacing files

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade overlay packed

Link:

https://www.filescan.io/uploads/660e3b18d463a7b0477f0d03/reports/d5f88cb4-4e70-4803-adfd-0bf8cb9f9692/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/0a4c89d0cbbc4857a4ae272d302ae66b9967181014b38368df83be46cbdf5c25

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/1a6a8334-9225-4b80-b940-e6354210f7d8

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1419892

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

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

Installs a global keyboard hook

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

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

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)

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/0a4c89d0cbbc4857a4ae272d302ae66b9967181014b38368df83be46cbdf5c25

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/0a4c89d0cbbc4857a4ae272d302ae66b9967181014b38368df83be46cbdf5c25/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-04-02 02:24:54 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

26 of 38 (68.42%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=bjgituglxrefpjfoe4wtakxgnomwogaqcszyg2g7qo7ens67lqsq._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240404-f68evagd57/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

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

Unpacked files

SH256 hash:

ea77a5446eb6222f8dfa861f81a2f4b9703ada9764b02621c44636b26e2e6901

MD5 hash:

7ecdd05dec2741782bcb60e50fd84fbf

SHA1 hash:

c5cc3cb4edc883668506d84894dd2e5673c7d231

Link:

https://www.unpac.me/results/78f32f21-378d-4af8-87a0-cec946a0fc6f/

SH256 hash:

c522e016371cf9a7d85c41027cd1eac8d445357797c6d122de58cc688fe135ca

MD5 hash:

ef8244286b0d2b9e58c3787d4b2cb03e

SHA1 hash:

b7182afd0475d0d86c442a3ddc28619b8f9b35cb

Link:

https://www.unpac.me/results/78f32f21-378d-4af8-87a0-cec946a0fc6f/

SH256 hash:

ad25f184012bac900631b3440a22caf0dc13352cef8b90bf22610b40811e0c74

MD5 hash:

5c64f27e1c2e9fd61ee888aaf5b574b0

SHA1 hash:

9c878114a291f5b3c42addf38d1c0ca2006aba50

Detections:

AgentTesla

win_agent_tesla_g2

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Agenttesla_type2

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/78f32f21-378d-4af8-87a0-cec946a0fc6f/

Parent samples :

5a2666c6e1d72ae675ade0ecbc29228224b3c631151019891e6f07ec7f5aefe8
c10a19322708c99c4ef58c4c756f9b9091375143e45bbd6511acce9ecb8a8d05
0a4c89d0cbbc4857a4ae272d302ae66b9967181014b38368df83be46cbdf5c25
12f1562e82415f8f320bc830dc6047870ea78ceb7e827af394dbe428d8ebc930
70517116e2400906af6125849ac27b66159a45f6f1782178351e82bfe5ba205c
1b795b2e9e35e33bbe0f443eab177fa77570feee21cf0c62d241875a17516c1a
286b7dea4c238d6dd5153e5445ee0741a9497ce1543093480c556a258910638e
3edd3fe6434d631459584bfef13f646c14866e7d99121a3067d10f1e330b28e6

SH256 hash:

14641f03051d346aa3a24be14851261baa2ee6b1cff524ddca433fcc71d9542d

MD5 hash:

6661bfd44985279631496543484323b1

SHA1 hash:

5b3452b4c01b676f5ab2d4586819bd687456a34e

Link:

https://www.unpac.me/results/78f32f21-378d-4af8-87a0-cec946a0fc6f/

SH256 hash:

0a4c89d0cbbc4857a4ae272d302ae66b9967181014b38368df83be46cbdf5c25

MD5 hash:

d9ddcb7eafcd650e09a309db0a67698b

SHA1 hash:

19280711bcfd0935d4560142d59c7655e5457949

Detections:

INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438

Link:

https://www.unpac.me/results/78f32f21-378d-4af8-87a0-cec946a0fc6f/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/0a4c89d0cbbc/report/overview.html

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

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:	AgentTeslaV5 Create hunting rule
Author:	ClaudioWayne
Description:	AgentTeslaV5 infostealer payload

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

Rule name:	INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438 Create hunting rule
Author:	ditekSHen
Description:	Detects executables signed with stolen, revoked or invalid certificates

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many file transfer clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing Windows vault credential objects. Observed in infostealers

Rule name:	malware_Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

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

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

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	pe_imphash Create hunting rule

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

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

Rule name:	Windows_Trojan_AgentTesla_ebf431a8 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

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

Delivery method

Other

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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