MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25d22f62cf2de22eb2c70e2922628e6549374f8b130909ddd9f923cc3a225130. 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: 10


Intelligence 10 IOCs YARA 14 File information Comments 1

SHA256 hash: 25d22f62cf2de22eb2c70e2922628e6549374f8b130909ddd9f923cc3a225130
SHA3-384 hash: c3f4681b1b59d62951e788d52a7bb27c0519bbf8b19547fdd46a4487d02678f7d34da84446e837a514c1c8b19172e424
SHA1 hash: a5ba4ea78412b4106d7d4191ed9cbdf4c041e70e
MD5 hash: 7d32d70e2b5287337a67acc90db25c03
humanhash: mountain-wolfram-lactose-queen
File name:7d32d70e2b5287337a67acc90db25c03
Download: download sample
Signature AgentTesla
File size:719'872 bytes
First seen:2023-10-03 15:55:53 UTC
Last seen:2023-10-03 17:34:52 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:WwRL1H7lxds6H+CTHNHgotiylDufZG19NumB0:9BPjNAo5yM2y
Threatray 6 similar samples on MalwareBazaar
TLSH T105E4F03261F625E0F8D98E772C119090BEFB5D2A9D96911CE08871F90633BD8C2566FF
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 10808a8c8c8a8010 (77 x Formbook, 51 x AgentTesla, 44 x RemcosRAT)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
306
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1318859 Sample: OwE20Y8pUb.exe Startdate: 03/10/2023 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->47 49 9 other signatures 2->49 7 OwE20Y8pUb.exe 7 2->7         started        11 zstShGvRax.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\...\zstShGvRax.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp8BF8.tmp, XML 7->33 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->51 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 55 Adds a directory exclusion to Windows Defender 7->55 13 OwE20Y8pUb.exe 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 61 Injects a PE file into a foreign processes 11->61 21 zstShGvRax.exe 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 35 us2.smtp.mailhostbox.com 208.91.199.223, 49728, 49729, 49731 PUBLIC-DOMAIN-REGISTRYUS United States 13->35 37 smtp.alba-consultants-be.com 13->37 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        39 208.91.199.225, 49730, 587 PUBLIC-DOMAIN-REGISTRYUS United States 21->39 41 smtp.alba-consultants-be.com 21->41 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->63 65 Tries to steal Mail credentials (via file / registry access) 21->65 67 Tries to harvest and steal browser information (history, passwords, etc) 21->67 29 conhost.exe 23->29         started        signatures8 process9
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2023-10-03 15:56:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
spyware stealer
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
Unpacked files
SH256 hash:
f1babf0cae139126587c0c65b1b785b996e060398d1a22e082dd6bbbcb730b67
MD5 hash:
8b8b27445bc28cd6402612d94f5a80c5
SHA1 hash:
edbaa13cf4847541f49db6d42835631372548354
SH256 hash:
d60dec072f893a5f398ba30e3a15cb61570cb724c19751afeb2c4c659b59622a
MD5 hash:
8c865d459cbe885b9611d339deb8d457
SHA1 hash:
de13418769a5c9a2cc0050abebc928dfa7b789f1
SH256 hash:
ff00d207a32b170d7fa0759e10785aed8f40dadf8bb03e7d1d78427d8428f5d7
MD5 hash:
7f4e599c13e6e8e2247c8bbbd81ab870
SHA1 hash:
447ac3806dbf6809b77d667058d61a2de0f5ca57
Detections:
AgentTesla win_agent_tesla_g2
SH256 hash:
3fd0bedc0411d2ef09bb38f50a70888b9db436aa3f1a3f6340b3957a8bf1cef3
MD5 hash:
f7e3ee72e28761ebde68a3d0e2aeea6f
SHA1 hash:
102da2e7659210602f3ccfbb7768d8478428a565
SH256 hash:
7ec118e70613ce2d9aee29cda2918ca710dde346c68d4da75c2ea0402e6d4391
MD5 hash:
1622a62bf6805b2dca82a8632eceac71
SHA1 hash:
071b72a5a1231149dfe4b9fcfa3a6ee49265ab7c
SH256 hash:
25d22f62cf2de22eb2c70e2922628e6549374f8b130909ddd9f923cc3a225130
MD5 hash:
7d32d70e2b5287337a67acc90db25c03
SHA1 hash:
a5ba4ea78412b4106d7d4191ed9cbdf4c041e70e
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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

File information


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

Web download

AgentTesla

Executable exe 25d22f62cf2de22eb2c70e2922628e6549374f8b130909ddd9f923cc3a225130

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-10-03 15:55:54 UTC

url : hxxp://198.46.176.140/244/unvp.exe