MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a976ca005082ab7acea1a46330935bfdfeedf70f37f1707122b7335fa7201ae. 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: 18


Intelligence 18 IOCs YARA 16 File information Comments

SHA256 hash: 7a976ca005082ab7acea1a46330935bfdfeedf70f37f1707122b7335fa7201ae
SHA3-384 hash: a61782c1d1c20a905e24e996394d9674722fd01c90a51f24215ff87377374ddc4e4853f2d26761916ce55c34bcaedbce
SHA1 hash: 22bb441e4bbe64fd23c49a87a2e17133674a523a
MD5 hash: a3164b25a785cd6ebee79f42912c839b
humanhash: pluto-oxygen-alanine-hamper
File name:rRevisedQuotation.exe
Download: download sample
Signature AgentTesla
File size:250'880 bytes
First seen:2024-06-07 12:24:46 UTC
Last seen:2024-06-10 09:16:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 3072:bloHvUQkoUEmxeoZUgOo8MPKEuH/tCYq05a4jJCCKE:bmvUQkoUEmxpZUgShCYqfsJ3
Threatray 4'085 similar samples on MalwareBazaar
TLSH T12D3400037E84EB15E5A87D3782EF6D2413B2B0C71733C60B6F49AE651851642AC7EB2D
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter FXOLabs
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
392
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
7a976ca005082ab7acea1a46330935bfdfeedf70f37f1707122b7335fa7201ae.exe
Verdict:
Malicious activity
Analysis date:
2024-06-07 12:25:54 UTC
Tags:
smtp exfiltration stealer agenttesla evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Sending an HTTP GET request
Creating a window
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
agenttesla anti-vm evasive fingerprint hacktool hook keylogger lolbin remote stealer vbnet
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1453663 Sample: rRevisedQuotation.exe Startdate: 07/06/2024 Architecture: WINDOWS Score: 100 19 softtricksmedia.com 2->19 21 mail.softtricksmedia.com 2->21 23 api.ipify.org 2->23 29 Found malware configuration 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus detection for URL or domain 2->33 35 7 other signatures 2->35 6 rRevisedQuotation.exe 15 5 2->6         started        11 OHGzVK.exe 14 2 2->11         started        13 OHGzVK.exe 2 2->13         started        signatures3 process4 dnsIp5 25 softtricksmedia.com 103.251.94.168, 49732, 49733, 49735 WEBWERKS-AS-INWebWerksIndiaPvtLtdIN India 6->25 27 api.ipify.org 104.26.12.205, 443, 49731, 49734 CLOUDFLARENETUS United States 6->27 15 C:\Users\user\AppData\Roaming\...\OHGzVK.exe, PE32 6->15 dropped 17 C:\Users\user\...\OHGzVK.exe:Zone.Identifier, ASCII 6->17 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 6->37 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->39 41 Tries to steal Mail credentials (via file / registry access) 6->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 6->43 45 Antivirus detection for dropped file 11->45 47 Multi AV Scanner detection for dropped file 11->47 49 Machine Learning detection for dropped file 11->49 51 Tries to harvest and steal ftp login credentials 13->51 53 Tries to harvest and steal browser information (history, passwords, etc) 13->53 55 Installs a global keyboard hook 13->55 file6 signatures7
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-06-07 12:25:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Adds Run key to start application
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
Unpacked files
SH256 hash:
7a976ca005082ab7acea1a46330935bfdfeedf70f37f1707122b7335fa7201ae
MD5 hash:
a3164b25a785cd6ebee79f42912c839b
SHA1 hash:
22bb441e4bbe64fd23c49a87a2e17133674a523a
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
Malware family:
AgentTesla
Verdict:
Malicious
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
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTeslaV5
Author:ClaudioWayne
Description:AgentTeslaV5 infostealer payload
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
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

Executable exe 7a976ca005082ab7acea1a46330935bfdfeedf70f37f1707122b7335fa7201ae

(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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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