MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d89869a7e7a654cb5ffd4a30465332edfe478d0d00d841145ef082bee50e632. 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 14 File information Comments

SHA256 hash: 4d89869a7e7a654cb5ffd4a30465332edfe478d0d00d841145ef082bee50e632
SHA3-384 hash: b01947b8fbdbc0d7b403d8829b1ada5a9edad07b1a9c57160b712163c19dd63664c68e6daf9da23563471c7c6a073e4c
SHA1 hash: a77eec03ccb9f7531d294215afe1394f3622bc66
MD5 hash: c071299e1ba6c56f89ed021f525fc862
humanhash: william-failed-tennessee-twenty
File name:h6gKmCuKBVVMORv.exe
Download: download sample
Signature AgentTesla
File size:698'368 bytes
First seen:2023-11-20 15:45:48 UTC
Last seen:2023-11-20 17:16:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:TeQXucvCeAeQseQWVmKDBBHvpKstZ5QReF1FIWJtr8XQrDwdzDwVUubu8d:Te4ucqeAeterLVBPpKeZ5QKIWjcQnMDt
TLSH T1EBE4128435150A66DCBD23B78A124B2257F6163E746EE3B0DDEAA4DCA750F02ED01F63
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter cocaman
Tags:AgentTesla exe


Avatar
cocaman
Malicious email (T1566.001)
From: "Nina Lap <Nina.Lap@izoteh.si>" (likely spoofed)
Received: "from hosted-by.rootlayer.net (unknown [185.222.57.92]) "
Date: "20 Nov 2023 16:45:29 +0100"
Subject: "RE: oder 0405231 / Variator drive pulley"
Attachment: "h6gKmCuKBVVMORv.exe"

Intelligence


File Origin
# of uploads :
2
# of downloads :
340
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
h6gKmCuKBVVMORv.exe
Verdict:
Malicious activity
Analysis date:
2023-11-20 15:47:33 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
Creating a window
Сreating synchronization primitives
Sending a custom TCP request
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Gathering data
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 array initializations
Adds a directory exclusion to Windows Defender
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)
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
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 dnsIp2 2 Behavior Graph ID: 1345287 Sample: h6gKmCuKBVVMORv.exe Startdate: 20/11/2023 Architecture: WINDOWS Score: 100 60 mail.premiermotor.com.bn 2->60 62 premiermotor.com.bn 2->62 64 2 other IPs or domains 2->64 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Sigma detected: Scheduled temp file as task from temp location 2->74 76 7 other signatures 2->76 8 h6gKmCuKBVVMORv.exe 7 2->8         started        12 HqAJrII.exe 2->12         started        14 PXnHDXIN.exe 5 2->14         started        16 HqAJrII.exe 2->16         started        signatures3 process4 file5 56 C:\Users\user\AppData\Roaming\PXnHDXIN.exe, PE32 8->56 dropped 58 C:\Users\user\AppData\Local\...\tmpCFFD.tmp, XML 8->58 dropped 88 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->88 90 Uses schtasks.exe or at.exe to add and modify task schedules 8->90 92 Adds a directory exclusion to Windows Defender 8->92 18 h6gKmCuKBVVMORv.exe 16 5 8->18         started        23 powershell.exe 23 8->23         started        35 2 other processes 8->35 94 Machine Learning detection for dropped file 12->94 96 Injects a PE file into a foreign processes 12->96 25 HqAJrII.exe 12->25         started        37 3 other processes 12->37 27 PXnHDXIN.exe 14->27         started        29 schtasks.exe 14->29         started        31 HqAJrII.exe 16->31         started        33 schtasks.exe 16->33         started        signatures6 process7 dnsIp8 66 api4.ipify.org 64.185.227.156, 443, 49733, 49736 WEBNXUS United States 18->66 68 premiermotor.com.bn 103.72.163.183, 49735, 49737, 49744 GBNETWORK-AS-APGBNetworkSolutionsSdnBhdMY Malaysia 18->68 52 C:\Users\user\AppData\Roaming\...\HqAJrII.exe, PE32 18->52 dropped 54 C:\Users\user\...\HqAJrII.exe:Zone.Identifier, ASCII 18->54 dropped 78 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->78 80 Tries to steal Mail credentials (via file / registry access) 18->80 82 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->82 39 conhost.exe 23->39         started        42 conhost.exe 29->42         started        84 Tries to harvest and steal browser information (history, passwords, etc) 31->84 44 conhost.exe 33->44         started        46 conhost.exe 35->46         started        48 conhost.exe 35->48         started        50 conhost.exe 37->50         started        file9 signatures10 process11 signatures12 86 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 39->86
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-11-20 13:44:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
17 of 23 (73.91%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla_v4
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 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
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:
6aa2b706c583388e444b84c9bb6f537b8cbedb445a452ab239282d1f8f9b9b5c
MD5 hash:
6c6f7b77b0c8b91e21e5393c264e373c
SHA1 hash:
ddb789d0c77bcb63440ee451e57bae6948b77f96
Detections:
AgentTesla win_agent_tesla_g2 Agenttesla_type2 INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
29a5b02deadfd7e844bdf727df705b397bea3c2fa20fdf555fc392751b32e0e9
MD5 hash:
ee79e88a97de7fd7f47e17158771c607
SHA1 hash:
5a66c98f4bc8804495271e0d31d6dc4344b07d3e
SH256 hash:
81a9e5e4f2481170ea07fbe19c19308d55453dbe893e283d74f9d34768067068
MD5 hash:
f82eaca89ad8b7c448dca6411ff2a8fa
SHA1 hash:
411af9e95ac5b764865f8f9a032458f9a7cc2501
SH256 hash:
4d89869a7e7a654cb5ffd4a30465332edfe478d0d00d841145ef082bee50e632
MD5 hash:
c071299e1ba6c56f89ed021f525fc862
SHA1 hash:
a77eec03ccb9f7531d294215afe1394f3622bc66
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

File information


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

Malspam

AgentTesla

Executable exe 4d89869a7e7a654cb5ffd4a30465332edfe478d0d00d841145ef082bee50e632

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments