MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7644b6aa4134db0c155b2d2d52c72ec867a81303de9bb8712a88a2345a8508f. 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: 16

Intelligence 16 IOCs YARA 21 File information Comments

SHA256 hash:	c7644b6aa4134db0c155b2d2d52c72ec867a81303de9bb8712a88a2345a8508f
SHA3-384 hash:	0bc6802da36c2f1bb588162571cee0021c1942da5dced7e6abc816d87b862b71f8ccb5179d3c4f3baf6290b28192aec8
SHA1 hash:	9e49a08133f0d24d413b0e236a1eb63d82d96607
MD5 hash:	b698ca473fb24d86cae5fffcaf7231aa
humanhash:	six-moon-orange-carolina
File name:	PO_20240516.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	738'824 bytes
First seen:	2024-05-17 05:51:17 UTC
Last seen:	2024-05-17 06:20:54 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	12288:60pei36RiEUJO/b3v6zmmtX6z4PX+sYA6gj0+K49QDwykR:dpp360xJVmm5vvLuE0+K4+Dq
TLSH	T1EAF422553BBE1230CB9DCBB154F2661A8F75359328A0D70AF8D882C507A2EE5C94672F
TrID	61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.1% (.SCR) Windows screen saver (13097/50/3) 8.9% (.EXE) Win64 Executable (generic) (10523/12/4) 5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
dhash icon	0074696971796400 (7 x AgentTesla, 6 x Formbook, 3 x Loki)
Reporter	lowmal3
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

323

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

c7644b6aa4134db0c155b2d2d52c72ec867a81303de9bb8712a88a2345a8508f.exe

Verdict:

Malicious activity

Analysis date:

2024-05-17 05:54:08 UTC

Tags:

evasion smtp agenttesla stealer

Link:

https://app.any.run/tasks/648dbe4d-554a-400b-affb-edaec525695f

Note:

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

Detection(s):

SecuriteInfo.com.BackDoor.AgentTeslaNET.9.28576.2647.UNOFFICIAL

Gathering data

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

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Reading critical registry keys

Setting a keyboard event handler

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

overlay packed

Link:

https://www.filescan.io/uploads/6646f08581ea6b1eef439121/reports/f5204bf3-b392-4762-89de-5efb58b42ffe/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/c7644b6aa4134db0c155b2d2d52c72ec867a81303de9bb8712a88a2345a8508f

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/fdd1f056-490f-4d95-9e2a-4e97b398735d

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1443116

Signature

.NET source code contains potential unpacker

Check if machine is in data center or colocation facility

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Contains functionality to log keystrokes (.Net Source)

Contains functionality to register a low level keyboard hook

Found malware configuration

Initial sample is a PE file and has a suspicious name

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)

Queries sensitive video device information (via WMI, Win32_VideoController, 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 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/c7644b6aa4134db0c155b2d2d52c72ec867a81303de9bb8712a88a2345a8508f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c7644b6aa4134db0c155b2d2d52c72ec867a81303de9bb8712a88a2345a8508f/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-05-16 07:04:03 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=y5sew2vecng3bqkvwljnklds5sdhvajqhxu3xbysvcfcgrnikchq._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240517-gkqhkscd85/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Looks up external IP address via web service

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla

Unpacked files

SH256 hash:

a13c3bdf634477fa29c8364adb717f0c3b08967f2ef94d3aac36736231026a1a

MD5 hash:

2bafe3a29094a33403b83b3dbe7369f8

SHA1 hash:

ebeff033d50a05a1e401cf7bf9309ad392e5b3cd

Link:

https://www.unpac.me/results/ce7f2e10-27a2-4ccd-88f4-599f54f18efd/

SH256 hash:

f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a

MD5 hash:

d172f59251b97b415b621d302e1be2b7

SHA1 hash:

b1534e603749c901b5ac185f20e281f6be7fa908

Link:

https://www.unpac.me/results/ce7f2e10-27a2-4ccd-88f4-599f54f18efd/

SH256 hash:

e65411551a4cb79fa51a0b50e77863a6e93ed13a5a3aa6f1e55fe1974d7352e4

MD5 hash:

a46bce0b4f08400434453474a2b2a1c2

SHA1 hash:

a59018fc07488c2c3d0e9f6ff2172486f664bdea

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_SUSPICIOUS_EXE_SandboxHookingDLL

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/ce7f2e10-27a2-4ccd-88f4-599f54f18efd/

Parent samples :
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SH256 hash:

e0f47199271c9657ae2c9c1117020906d4ebdbf5530cfe13062ee30b8e760b9b

MD5 hash:

2b8325aedffc56342e482201fb5c7559

SHA1 hash:

12102fdb857d1d9dcf86e7e925cf604166f5d1a8

Link:

https://www.unpac.me/results/ce7f2e10-27a2-4ccd-88f4-599f54f18efd/

SH256 hash:

c7644b6aa4134db0c155b2d2d52c72ec867a81303de9bb8712a88a2345a8508f

MD5 hash:

b698ca473fb24d86cae5fffcaf7231aa

SHA1 hash:

9e49a08133f0d24d413b0e236a1eb63d82d96607

Detections:

INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438

Link:

https://www.unpac.me/results/ce7f2e10-27a2-4ccd-88f4-599f54f18efd/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/c7644b6aa413/report/overview.html

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

Threat name:

Suspicious File

Score:

0.56

Link:

https://yomi.yoroi.company/submissions/c7644b6aa4134db0c155b2d2d52c72ec867a81303de9bb8712a88a2345a8508f

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

Rule name:	DebuggerCheck__RemoteAPI Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

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_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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