MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 975b3a06001714b6ba678a29cfaaf9709b8667e6e027f643589a1cc59027f8dc. 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 21 File information Comments

SHA256 hash:	975b3a06001714b6ba678a29cfaaf9709b8667e6e027f643589a1cc59027f8dc
SHA3-384 hash:	aa378efa425efdbba9a5c8d9bba2379abde363b6541e393901349ffd1b1dfeb3f8e44e498d849bfd9fd77990d0638aea
SHA1 hash:	044adbf2240d531746360259dd912f2cc331cc20
MD5 hash:	e7a86d8fbc6e2bb0d5aa474b135a799e
humanhash:	finch-montana-video-mexico
File name:	Quotation_PDF.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	736'264 bytes
First seen:	2024-05-13 10:29:58 UTC
Last seen:	2024-05-13 13:23:02 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:hyTeH81jJUrkUiuyhdTRk2qNoiMKMGyxyQP8sN+wvWDjJZeTQLF/5fEBrYNcIEkR:v8MrKkrocMGlQP8/fOQp/dEhibj
TLSH	T122F41201337DAF52E3B84BF402B541114BB2BAAB5865E7592CC6E0DFA9B5F804311F6B
TrID	63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.2% (.SCR) Windows screen saver (13097/50/3) 9.0% (.EXE) Win64 Executable (generic) (10523/12/4) 5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter	cocaman
Tags:	AgentTesla exe QUOTATION

Intelligence

File Origin

# of uploads :

# of downloads :

377

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

975b3a06001714b6ba678a29cfaaf9709b8667e6e027f643589a1cc59027f8dc.exe

Verdict:

Malicious activity

Analysis date:

2024-05-13 10:32:14 UTC

Tags:

stealer agenttesla exfiltration

Link:

https://app.any.run/tasks/4ce80209-62b3-473f-8992-4f607a6fbdf7

Note:

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

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.13713.7730.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

Reading critical registry keys

DNS request

Connection attempt

Sending a custom TCP request

Setting a keyboard event handler

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

91%

Tags:

masquerade overlay packed

Link:

https://www.filescan.io/uploads/6641ebb01c9796b80abdaf14/reports/e9acb3b2-f265-4738-874b-6772ce5ceae8/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/975b3a06001714b6ba678a29cfaaf9709b8667e6e027f643589a1cc59027f8dc

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/2c319c2a-4507-46a8-b7fd-ba88d73f2ff5

Result

Threat name:

AgentTesla, PureLog Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1440454

Signature

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

.NET source code contains potential unpacker

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 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 Generic Downloader

Yara detected PureLog Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

98%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/975b3a06001714b6ba678a29cfaaf9709b8667e6e027f643589a1cc59027f8dc

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/975b3a06001714b6ba678a29cfaaf9709b8667e6e027f643589a1cc59027f8dc/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-05-13 09:55:34 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=s5ntubqac4klnothriu47kxzocnymz7g4at7mq2ytiomlebh7doa._file

Verdict:

malicious

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240513-mjs5zaad2y/

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:

4909093c1045073940daf73778f88ce3e5d4dcbc0d69e3498ad4672c2e699013

MD5 hash:

28b43a10958caef0465f7b93be0a0d77

SHA1 hash:

9c85c1cb7f6face0a6c8d0a2d2314a99092d6554

Link:

https://www.unpac.me/results/9dabca7f-a53f-4190-bd36-1750053329ae/

SH256 hash:

8663b9be3b84dde8333078f0abc0eb453b12d37d2ce71cf0a9cde01bf24c6130

MD5 hash:

cbe50e4a2bb9ef81d0528fbc21cf59f1

SHA1 hash:

8844162f8214d153efe192811b4602c8cd91ed91

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/9dabca7f-a53f-4190-bd36-1750053329ae/

Parent samples :

d0470bacce95da182a6ac0f381c45fdc9dffe39bb58d491c63ecd2c98de7689b
3c29b509fac248a90cdb5970352752041fe1c02034f06b81182c5bb8b311766f
22227fce9d09014d3fca954bf6fba7a40cdf9bcf4b8dd13f69914fab061d0dfe
c97a1f5c30afbc0a452a6a72c1e77ba4031504d7aee83f63ca6956e5f032e6b3
243d3bf185f225ebbbc1d50e3de6a8b2dace62b2726816ab167e74637f2d7c2b
975b3a06001714b6ba678a29cfaaf9709b8667e6e027f643589a1cc59027f8dc
452f10de6f5dd60f4ced6c16027dca4a6f1fd8770601d46a610095c398c3266d

SH256 hash:

fd3f1f3f0c984361bb23b2f6ba22a4bbd636095bf6e9d0c31d77b5ccfceed307

MD5 hash:

1e504d0d93436a776666cc8236d65844

SHA1 hash:

834490f9be03a0814c6460f5aae33af12e83b8f5

Link:

https://www.unpac.me/results/9dabca7f-a53f-4190-bd36-1750053329ae/

SH256 hash:

7e843a764288885629db944e03560845bd6aae31be1e1ce1d92799b4dffb5f7a

MD5 hash:

2c3f7108d4525ac2856cb70871f15c32

SHA1 hash:

5d04332dac4d5324d89ebca26a2a609b8fd9895e

Link:

https://www.unpac.me/results/9dabca7f-a53f-4190-bd36-1750053329ae/

SH256 hash:

661b9374af833d02816bb2539b1337ae881b58fac0f4d07696c4b244138d21e1

MD5 hash:

04fe7fe2a1de76de0422d47abc50a588

SHA1 hash:

4bfe7f27fac876515fab063e8f291322f8a49fb9

Link:

https://www.unpac.me/results/9dabca7f-a53f-4190-bd36-1750053329ae/

SH256 hash:

975b3a06001714b6ba678a29cfaaf9709b8667e6e027f643589a1cc59027f8dc

MD5 hash:

e7a86d8fbc6e2bb0d5aa474b135a799e

SHA1 hash:

044adbf2240d531746360259dd912f2cc331cc20

Detections:

INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438

Link:

https://www.unpac.me/results/9dabca7f-a53f-4190-bd36-1750053329ae/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/975b3a060017/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/975b3a06001714b6ba678a29cfaaf9709b8667e6e027f643589a1cc59027f8dc

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_DIFF_Common_Strings_01 Create hunting rule
Author:	schmidtsz
Description:	Identify partial Agent Tesla strings

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

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.

Malspam

AgentTesla

7z 1b5ad9313827da5e23d17ab860caa17d43646bb96e49a11615f349a0f534b74d

AgentTesla

exe 975b3a06001714b6ba678a29cfaaf9709b8667e6e027f643589a1cc59027f8dc

(this sample)

Delivery method

Other

Dropped by

SHA256 1b5ad9313827da5e23d17ab860caa17d43646bb96e49a11615f349a0f534b74d

Dropped by

MD5 811b346c6b48d563008b6c5de9497d9a

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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