MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77d08660ba94b9abbd802518754e9d122b354ba41f55ee72a221b6944f352675. 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 16 File information Comments

SHA256 hash: 77d08660ba94b9abbd802518754e9d122b354ba41f55ee72a221b6944f352675
SHA3-384 hash: a1768c1ff988844b903bb174c16eeae9b7caff52311e2091bcbe50d3b83aab0700420f4dc3863db9fc933d03c39b8278
SHA1 hash: 66e49c468c6303c662c04c92343c0bc22bac2eb3
MD5 hash: e6d55bcebbded044e7fea5c0b3736f7e
humanhash: louisiana-purple-coffee-mexico
File name:SecuriteInfo.com.Win32.PWSX-gen.3964.7990
Download: download sample
Signature AgentTesla
File size:693'248 bytes
First seen:2024-02-22 05:18:43 UTC
Last seen:2024-02-27 11:42:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:F5Ujd53LlvxCNdq4S+GczglSbn61btLdpaOxJwnJnnpd2wn4w2qz5t:DK7CNEUGcMlfptH4JnnKD
TLSH T1A9E42398379449BBFF1EA2F7B45C87194938549B2D33E3BD2C8DA013949BBDA0461363
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)
File icon (PE):PE icon
dhash icon 10b134d988eacc04 (4 x Formbook, 3 x AgentTesla, 2 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
469
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
77d08660ba94b9abbd802518754e9d122b354ba41f55ee72a221b6944f352675.exe
Verdict:
Malicious activity
Analysis date:
2024-02-22 05:24:51 UTC
Tags:
stealer agenttesla

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
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade 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, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1396662 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 22/02/2024 Architecture: WINDOWS Score: 100 53 mail.sicore.ae 2->53 55 sicore.ae 2->55 57 api.ipify.org 2->57 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus / Scanner detection for submitted sample 2->79 81 12 other signatures 2->81 8 cLsghcsV.exe 5 2->8         started        11 SecuriteInfo.com.Win32.PWSX-gen.3964.7990.exe 7 2->11         started        14 UAEtO.exe 2->14         started        16 UAEtO.exe 2->16         started        signatures3 process4 file5 83 Antivirus detection for dropped file 8->83 85 Multi AV Scanner detection for dropped file 8->85 87 Machine Learning detection for dropped file 8->87 93 3 other signatures 8->93 18 RegSvcs.exe 8->18         started        21 schtasks.exe 8->21         started        49 C:\Users\user\AppData\Roaming\cLsghcsV.exe, PE32 11->49 dropped 51 C:\Users\user\AppData\Local\...\tmp3E7C.tmp, XML 11->51 dropped 89 Uses schtasks.exe or at.exe to add and modify task schedules 11->89 91 Adds a directory exclusion to Windows Defender 11->91 23 RegSvcs.exe 16 4 11->23         started        27 RegSvcs.exe 11->27         started        29 powershell.exe 22 11->29         started        35 4 other processes 11->35 31 conhost.exe 14->31         started        33 conhost.exe 16->33         started        signatures6 process7 dnsIp8 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->63 65 Tries to steal Mail credentials (via file / registry access) 18->65 67 Tries to harvest and steal browser information (history, passwords, etc) 18->67 37 conhost.exe 21->37         started        59 sicore.ae 142.132.159.73, 49735, 49737, 49744 UNIVERSITYOFWINNIPEG-ASNCA Canada 23->59 61 api.ipify.org 172.67.74.152, 443, 49734, 49736 CLOUDFLARENETUS United States 23->61 47 C:\Users\user\AppData\Roaming\...\UAEtO.exe, PE32 23->47 dropped 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->69 71 Installs a global keyboard hook 23->71 73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 27->73 39 conhost.exe 29->39         started        41 WmiPrvSE.exe 29->41         started        43 conhost.exe 35->43         started        45 conhost.exe 35->45         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2024-02-22 05:19:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
fea89e5165e4eb0870a81c3057880162da348e56ae76318ea063760110caa90c
MD5 hash:
853e94f624c9f29c76199f6d2ac9a3c0
SHA1 hash:
f18e4d93c6dc4b8cbd474e64d7b8799b28a4f437
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:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
SH256 hash:
d70e4033db330c128a0fed627f2bb0faee896f86112e6f4170adefc9a580dff1
MD5 hash:
ec2a8446d2bb3f4a4bd67c0fab01fd3d
SHA1 hash:
72adabdb9c297f0cad6708f40b90f90c894e387c
SH256 hash:
ec592062c41d26d7046ab135fbabaf80e69900ba940ca654261cda17109f8769
MD5 hash:
09f7fb78314d30bf7c69d72caa9da978
SHA1 hash:
5536e0f86fe6e36f11e5ba03a8f559675dd82f30
SH256 hash:
afbf00802c6ac03ecce7d89dd7746c46de71ec4e4bb9e771be6db8e2cced831f
MD5 hash:
d5ab6c76bd7922059db04cd408c0f385
SHA1 hash:
0f12cad4b19436c9d2c3acb5ec16cb4efdb9b2e5
SH256 hash:
77d08660ba94b9abbd802518754e9d122b354ba41f55ee72a221b6944f352675
MD5 hash:
e6d55bcebbded044e7fea5c0b3736f7e
SHA1 hash:
66e49c468c6303c662c04c92343c0bc22bac2eb3
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: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:NET
Author:malware-lu
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 77d08660ba94b9abbd802518754e9d122b354ba41f55ee72a221b6944f352675

(this sample)

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