MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7caa9b212df10474e2c16e256ef16152196b75893ad5344bb5e78bb61528a85b. 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 22 File information Comments

SHA256 hash: 7caa9b212df10474e2c16e256ef16152196b75893ad5344bb5e78bb61528a85b
SHA3-384 hash: 8a4e94588343fa1453d54cf4ea1acb2c1dea9dfe17f33231ba40101a1ade7b49ad7710e0cbad4469f15b1fb58a3bf291
SHA1 hash: bb23a88feb8f95a28445df75b2e86505b6982fbb
MD5 hash: 448e34edd4314a1bea54de04047eb8ea
humanhash: saturn-shade-california-october
File name:101764ZAM2024.exe
Download: download sample
Signature AgentTesla
File size:954'888 bytes
First seen:2024-05-23 13:08:46 UTC
Last seen:2024-05-23 13:32:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:FeZoT+KS7yWLx8H0zMVuG0CWlDkDyjF86ikHZUhh13HxRqkR:gZoT+KS7ygGUUP0RuujFV5Hahv3x3
Threatray 4'036 similar samples on MalwareBazaar
TLSH T15115A03D18FD2A229160D6A4CFE0C663F050F4FA3963992299D24755474BE9BBDC323E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
331
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
7caa9b212df10474e2c16e256ef16152196b75893ad5344bb5e78bb61528a85b.exe
Verdict:
Malicious activity
Analysis date:
2024-05-23 13:12:08 UTC
Tags:
smtp exfiltration stealer agenttesla

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

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
90%
Tags:
overlay packed
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
.NET source code contains potential unpacker
.NET source code contains very large strings
AI detected suspicious sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1446498 Sample: 101764ZAM2024.exe Startdate: 23/05/2024 Architecture: WINDOWS Score: 100 29 mail.hotelroyal.com.pl 2->29 31 hotelroyal.com.pl 2->31 33 198.187.3.20.in-addr.arpa 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 8 other signatures 2->41 7 gDoMsmy.exe 3 2->7         started        10 101764ZAM2024.exe 3 2->10         started        12 gDoMsmy.exe 2 2->12         started        signatures3 process4 signatures5 43 Multi AV Scanner detection for dropped file 7->43 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->45 47 Machine Learning detection for dropped file 7->47 14 gDoMsmy.exe 2 7->14         started        17 101764ZAM2024.exe 1 5 10->17         started        49 Injects a PE file into a foreign processes 12->49 21 gDoMsmy.exe 2 12->21         started        process6 dnsIp7 27 hotelroyal.com.pl 65.21.125.228, 49703, 49707, 49713 CP-ASDE United States 17->27 23 C:\Users\user\AppData\Roaming\...\gDoMsmy.exe, PE32 17->23 dropped 25 C:\Users\user\...\gDoMsmy.exe:Zone.Identifier, ASCII 17->25 dropped 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->51 53 Tries to steal Mail credentials (via file / registry access) 17->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->55 57 Tries to harvest and steal ftp login credentials 21->57 59 Tries to harvest and steal browser information (history, passwords, etc) 21->59 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-05-23 11:16:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
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
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
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:
0b7dcc18b0ef39734a24ca5923b02df82c670d08365fe376f2ed4ff9fcbc6303
MD5 hash:
0441cc0dacc6d821252e66a156b1d9bd
SHA1 hash:
df46cc702950a53a5de7b804d2076ef03f8ac6b4
SH256 hash:
528a37aadc8e05d0093611e289c037c78d02fb9439714e5842e68298f9fbe174
MD5 hash:
4c51276f7dfe09aa5eb1968e704bac21
SHA1 hash:
bbdc8984679d67e6c797a10ede333c184cf3e9c5
SH256 hash:
f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a
MD5 hash:
d172f59251b97b415b621d302e1be2b7
SHA1 hash:
b1534e603749c901b5ac185f20e281f6be7fa908
SH256 hash:
22868052fc53493caf9c655cbcebd7dad8840b94c8fa714778899acec561657d
MD5 hash:
0bd7a5ce46e91ca978f93ec9deccfb06
SHA1 hash:
403e905d77b2ecf7c024d24d5671b1f9cddd6462
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
SH256 hash:
7caa9b212df10474e2c16e256ef16152196b75893ad5344bb5e78bb61528a85b
MD5 hash:
448e34edd4314a1bea54de04047eb8ea
SHA1 hash:
bb23a88feb8f95a28445df75b2e86505b6982fbb
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
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_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
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 7caa9b212df10474e2c16e256ef16152196b75893ad5344bb5e78bb61528a85b

(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

Comments