MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b0acc239747010ba9c56cf22b4ace536d82bf3748dfb14e8b977c07f8dc976d. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash: 3b0acc239747010ba9c56cf22b4ace536d82bf3748dfb14e8b977c07f8dc976d
SHA3-384 hash: fdb3a2e42220a556aef9246cd606e49fa688b1c2765b78630325703f2663f550174ca3a23e19931742c29c4457a6a803
SHA1 hash: 948e27847e26d3858769ab430088652a19b58f75
MD5 hash: e1af2471d9e1210720127bcdcd96f9d8
humanhash: alpha-autumn-avocado-river
File name:Dekont_20230509140935165,PDF.exe
Download: download sample
Signature AgentTesla
File size:646'144 bytes
First seen:2023-05-09 06:44:39 UTC
Last seen:2023-05-13 22:49:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:3gZN9anx80WPBcvaMA0EPfOEwq7GsS6FreOrbNj5AyDr:3gxf0Wp0aewGm7MlOX3V
Threatray 911 similar samples on MalwareBazaar
TLSH T194D4E1B0A0AB46B1E10F8AB115BCBDA62F7570D3EAD9457817396140DFA7B043FC894E
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 0b1b9a92b4646968 (9 x Loki, 7 x AgentTesla, 5 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe geo Telegram TUR

Intelligence


File Origin
# of uploads :
3
# of downloads :
243
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Dekont_20230509140935165,PDF.exe
Verdict:
Malicious activity
Analysis date:
2023-05-09 06:46:20 UTC
Tags:
n/a

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
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 from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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, 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
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)
Sample uses string decryption to hide its real strings
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 861923 Sample: Dekont_20230509140935165,PDF.exe Startdate: 09/05/2023 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 9 other signatures 2->49 7 Dekont_20230509140935165,PDF.exe 7 2->7         started        11 gNCAsAJnguq.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\...\gNCAsAJnguq.exe, PE32 7->33 dropped 35 C:\Users\...\gNCAsAJnguq.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmp35CD.tmp, XML 7->37 dropped 39 C:\...\Dekont_20230509140935165,PDF.exe.log, ASCII 7->39 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 Dekont_20230509140935165,PDF.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        21 Dekont_20230509140935165,PDF.exe 7->21         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 23 gNCAsAJnguq.exe 14 2 11->23         started        25 schtasks.exe 1 11->25         started        signatures5 process6 dnsIp7 41 api.telegram.org 149.154.167.220, 443, 49695, 49696 TELEGRAMRU United Kingdom 13->41 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->61 63 Tries to steal Mail credentials (via file / registry access) 23->63 65 Tries to harvest and steal browser information (history, passwords, etc) 23->65 31 conhost.exe 25->31         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2023-05-09 01:22:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
25 of 37 (67.57%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot6277254729:AAH9hHYZNSDZac0nNvgmchkZF8WVRKU5dJ0/
Unpacked files
SH256 hash:
3ab1dcc37e7c5c643bf41e9f0f81f816f24974fbddde95e2af52426e3374dd35
MD5 hash:
8a2c496875c0871aecc16aae768b323f
SHA1 hash:
f5423a32125c70b512de301c5616c7b75477e2e7
SH256 hash:
6325bd624b8d0c687eef2d7d0fc20ebafb375354e66e82e861cde04a2af85807
MD5 hash:
e8ba97874cd10bb997f42f50eca49e1a
SHA1 hash:
9ff3b45b584f8c1080c24a03b056b9b1b62a324d
SH256 hash:
4f3e8d313ee58472b50b74f7a467e683d12d55c5f2a7216cae074e000618d332
MD5 hash:
8584248e979054bf81f58115723a06da
SHA1 hash:
638087437e8a16022d51b9b3db1f2dc735cc9831
SH256 hash:
b459d592b857a2355cb2b7778b054ab607683f703310662137808dcbde4817b2
MD5 hash:
3698bd49273e96fbc4ac5e77b19341a3
SHA1 hash:
34eab9bd27a2a01a9c88ae0f3d7ca8d8a11927fa
SH256 hash:
3b0acc239747010ba9c56cf22b4ace536d82bf3748dfb14e8b977c07f8dc976d
MD5 hash:
e1af2471d9e1210720127bcdcd96f9d8
SHA1 hash:
948e27847e26d3858769ab430088652a19b58f75
Malware family:
AgentTesla.v4
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:MSIL_SUSP_OBFUSC_XorStringsNet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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 3b0acc239747010ba9c56cf22b4ace536d82bf3748dfb14e8b977c07f8dc976d

(this sample)

  
Delivery method
Distributed via e-mail attachment

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