MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b74886726207fd58bd94f10ae0bcb9ab980102c4230b5e7127703ea3fc3e8807. 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 5 File information Comments

SHA256 hash: b74886726207fd58bd94f10ae0bcb9ab980102c4230b5e7127703ea3fc3e8807
SHA3-384 hash: 44d3e31d1920116d2ddaf042e3081f320588ad16d75b3eda17c6455caed92ee1d5cd8d748cb07462f0e7c646525b8a11
SHA1 hash: f5439503a82d935a2a9eaa35e5d81f81bede0155
MD5 hash: 5dee9d8d2500aae0e4088f1badae666a
humanhash: snake-nineteen-hamper-may
File name:DE 3693046299.pdf.exe
Download: download sample
Signature AgentTesla
File size:842'752 bytes
First seen:2023-08-12 07:52:02 UTC
Last seen:Never
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:w1PDogFxFwb0tigX9+6sPDB54XYZC6dV9fFv3bL/5X4WotlqTjB:xL0tigtOPMI9Fv33/5UeTjB
Threatray 967 similar samples on MalwareBazaar
TLSH T11205CF60AE7CDF82E56B4BB8408ED30E83755C593122C53A5EAB50CAD4937C106DB7AF
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)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
266
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
DE 3693046299.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-08-12 07:57:48 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
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
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
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
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, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1290432 Sample: DE_3693046299.pdf.exe Startdate: 12/08/2023 Architecture: WINDOWS Score: 100 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Sigma detected: Scheduled temp file as task from temp location 2->56 58 8 other signatures 2->58 7 DE_3693046299.pdf.exe 7 2->7         started        11 gLRJnCFer.exe 4 2->11         started        13 MmRKwR.exe 2->13         started        16 MmRKwR.exe 2->16         started        process3 dnsIp4 46 C:\Users\user\AppData\Roaming\gLRJnCFer.exe, PE32 7->46 dropped 48 C:\Users\user\AppData\Local\...\tmpB5B4.tmp, XML 7->48 dropped 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->66 68 Uses schtasks.exe or at.exe to add and modify task schedules 7->68 70 Adds a directory exclusion to Windows Defender 7->70 18 DE_3693046299.pdf.exe 2 5 7->18         started        22 powershell.exe 17 7->22         started        24 schtasks.exe 1 7->24         started        72 Multi AV Scanner detection for dropped file 11->72 74 Injects a PE file into a foreign processes 11->74 26 gLRJnCFer.exe 2 11->26         started        28 schtasks.exe 1 11->28         started        50 192.168.2.1 unknown unknown 13->50 30 MmRKwR.exe 13->30         started        32 schtasks.exe 13->32         started        file5 signatures6 process7 file8 42 C:\Users\user\AppData\Roaming\...\MmRKwR.exe, PE32 18->42 dropped 44 C:\Users\user\...\MmRKwR.exe:Zone.Identifier, ASCII 18->44 dropped 60 Tries to steal Mail credentials (via file / registry access) 18->60 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->62 34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        38 conhost.exe 28->38         started        64 Tries to harvest and steal browser information (history, passwords, etc) 30->64 40 conhost.exe 32->40         started        signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-08-11 02:14:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 38 (52.63%)
Threat level:
  2/5
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
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
e9e773e7fbfe93fb9299fd6d1591c3248b014be8a5e380d7f36e91bd7a9ec383
MD5 hash:
4f2428504ab58880c843dc359b0edcd0
SHA1 hash:
e9d00099208021206935d7d1d266041cc66fce56
SH256 hash:
504410fd6158a7346f5a2e7b7714203b329d46dab5d129719410d5c325122804
MD5 hash:
74ed681a2d7aed1dae5627d4367474f8
SHA1 hash:
cad2df636d3f0710f69fdb18cbae03a332341dd3
SH256 hash:
8973ec20883b3d45af6c843de26bd764bb3ca9346ffe2def89942b1a973f16f0
MD5 hash:
67cda3ec4bee9bf8bb35ea857ac9a5d1
SHA1 hash:
6ca5037103de3a0d69b07610cdb9a4f7ed70c643
SH256 hash:
b74886726207fd58bd94f10ae0bcb9ab980102c4230b5e7127703ea3fc3e8807
MD5 hash:
5dee9d8d2500aae0e4088f1badae666a
SHA1 hash:
f5439503a82d935a2a9eaa35e5d81f81bede0155
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 b74886726207fd58bd94f10ae0bcb9ab980102c4230b5e7127703ea3fc3e8807

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments