MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b50abf45e0678c75cfc596847eae2d069926ea34c71302a6d2904cfd380669e8. 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: 15


Intelligence 15 IOCs YARA 14 File information Comments

SHA256 hash: b50abf45e0678c75cfc596847eae2d069926ea34c71302a6d2904cfd380669e8
SHA3-384 hash: d525ce26a48f2374f86bb43c0a85e7cb35795e5d063100d0fe47eae113efceee3fc9bc5fd09d4239fa4f6043138315f9
SHA1 hash: 800171bb2db120e4ac6eff614147ce168b9f08de
MD5 hash: e2cd5ca50598b25228ce8943b9001fed
humanhash: eight-twenty-bakerloo-four
File name:REVISED PURCHASE ORDER-PSB-17398902, PSB-18384789.exe
Download: download sample
Signature AgentTesla
File size:749'056 bytes
First seen:2024-01-31 15:02:48 UTC
Last seen:2024-01-31 16:30:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:4kte9SCF1OrdwrnwlQwqYfMO2jWhnAqHfbZ/IJ0jBuEcthXJrab+VlSQaxpa:nte9ZQWnwQoGWBAq/NHI9FJrhVlSt+
TLSH T1CFF4220537E80927D4AE8279DC2552DC93B2BF3A7E15E7DFADC5308D50F2B8606A2613
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 71e8d4d469e8cc68 (19 x AgentTesla, 5 x Formbook, 3 x SnakeKeylogger)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
264
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
b50abf45e0678c75cfc596847eae2d069926ea34c71302a6d2904cfd380669e8.exe
Verdict:
Malicious activity
Analysis date:
2024-01-31 15:07:13 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
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
Initial sample is a PE file and has a suspicious name
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)
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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1384164 Sample: REVISED_PURCHASE_ORDER-PSB-... Startdate: 31/01/2024 Architecture: WINDOWS Score: 100 38 mail.commtechtrading.com 2->38 40 commtechtrading.com 2->40 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 13 other signatures 2->50 8 REVISED_PURCHASE_ORDER-PSB-17398902,_PSB-18384789.exe 7 2->8         started        12 RFyqaBuh.exe 5 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\RFyqaBuh.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmp283C.tmp, XML 8->36 dropped 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->52 54 Uses schtasks.exe or at.exe to add and modify task schedules 8->54 56 Adds a directory exclusion to Windows Defender 8->56 58 Injects a PE file into a foreign processes 8->58 14 REVISED_PURCHASE_ORDER-PSB-17398902,_PSB-18384789.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        60 Antivirus detection for dropped file 12->60 62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 22 RFyqaBuh.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 42 commtechtrading.com 173.236.63.6, 49708, 49711, 587 SINGLEHOP-LLCUS United States 14->42 26 WmiPrvSE.exe 18->26         started        28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->66 68 Tries to steal Mail credentials (via file / registry access) 22->68 70 Tries to harvest and steal browser information (history, passwords, etc) 22->70 32 conhost.exe 24->32         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.SnakeKeyLogger
Status:
Malicious
First seen:
2024-01-30 04:25:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4 agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
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:
bf57d96d6871200b5046c342cd5d659c5d75bdc786806e6d535b58e3674c8d11
MD5 hash:
a54de2eeb647d86d0961f9e110a91002
SHA1 hash:
b133acae2a6358a4187ca819332ea6314d4943c9
SH256 hash:
708d4544a3d492d77f531c00d532a3b30a61b93662c5e298d811f73e250eab81
MD5 hash:
888d9577705227bbe955d9d82fab6c14
SHA1 hash:
8c66ad2fe5cf2f0a77502331594676a4371f4ed8
SH256 hash:
4f9e76a2dcfeb9f3399243bfbb2884718af6ef049e4f91e06147e922eb847797
MD5 hash:
9a65b87dc4c95fe0f6fa4b941930444a
SHA1 hash:
85eb5e28f35a8d565a78347f462c6d3d906f03d6
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:
a895615d1a578509e508525b5eabb30787f994859db6a10dfca199a847099248
MD5 hash:
c16571e66609ef65766c670fd1c89f75
SHA1 hash:
576133eed4e05b89b2e8ae7e7a215d39b52623ac
SH256 hash:
b50abf45e0678c75cfc596847eae2d069926ea34c71302a6d2904cfd380669e8
MD5 hash:
e2cd5ca50598b25228ce8943b9001fed
SHA1 hash:
800171bb2db120e4ac6eff614147ce168b9f08de
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: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_Trojan_AgentTesla_ebf431a8
Author:Elastic Security

File information


The table below shows additional information about this malware sample such as delivery method and external references.

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