MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a9134daa25d861d333adfea78e7243d2668d86dd35c18ec05593b9ad8f2a219. 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 2 File information Comments

SHA256 hash: 8a9134daa25d861d333adfea78e7243d2668d86dd35c18ec05593b9ad8f2a219
SHA3-384 hash: e8d2e72a1020d93241e55d5ebbf03e7d2c9990af7986a0efc6360031c9cfa5aba23110d0be0cafec1fc63f690a21baaa
SHA1 hash: 5533708482177093b463d45be4e67f194ab9069b
MD5 hash: 2ea2de92d8d8acebb6efc0235e479bc0
humanhash: monkey-robert-magnesium-juliet
File name:Adjunto orden de 20El 17072023.exe
Download: download sample
Signature AgentTesla
File size:607'232 bytes
First seen:2023-07-25 10:48:20 UTC
Last seen:2023-07-25 11:41:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Yfb/WT4UkuZbphndhZKDqpdNKl5KdZQQafFuHTJpsOZTcPGFR+POS2:YfzW/ZbpRdhZN6Kawz7sQpR+P
Threatray 529 similar samples on MalwareBazaar
TLSH T1D6D4235182AC1907D7DC67F0AB36F56487B26E421116C30C5E4FFEA172F7BC28362A69
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 0a1717070b132b17 (14 x AgentTesla, 3 x RemcosRAT, 2 x SnakeKeylogger)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
262
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Adjunto orden de 20El 17072023.exe
Verdict:
Malicious activity
Analysis date:
2023-07-25 10:59:58 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
DNS 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
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
Adds a directory exclusion to Windows Defender
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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 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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1279091 Sample: Adjunto_orden_de_20El_17072... Startdate: 25/07/2023 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Sigma detected: Scheduled temp file as task from temp location 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 5 other signatures 2->53 7 Adjunto_orden_de_20El_17072023.exe 7 2->7         started        11 tegulKNXFjHyoq.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\...\tegulKNXFjHyoq.exe, PE32 7->35 dropped 37 C:\...\tegulKNXFjHyoq.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmpA48A.tmp, XML 7->39 dropped 41 C:\...\Adjunto_orden_de_20El_17072023.exe.log, ASCII 7->41 dropped 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 Uses schtasks.exe or at.exe to add and modify task schedules 7->57 59 Adds a directory exclusion to Windows Defender 7->59 13 Adjunto_orden_de_20El_17072023.exe 15 7 7->13         started        17 powershell.exe 18 7->17         started        19 schtasks.exe 1 7->19         started        61 Multi AV Scanner detection for dropped file 11->61 63 Machine Learning detection for dropped file 11->63 21 tegulKNXFjHyoq.exe 14 7 11->21         started        23 schtasks.exe 1 11->23         started        25 tegulKNXFjHyoq.exe 11->25         started        27 tegulKNXFjHyoq.exe 11->27         started        signatures5 process6 dnsIp7 43 api.telegram.org 149.154.167.220, 443, 49706, 49707 TELEGRAMRU United Kingdom 13->43 45 192.168.2.1 unknown unknown 13->45 29 conhost.exe 17->29         started        31 conhost.exe 19->31         started        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 69 Installs a global keyboard hook 21->69 33 conhost.exe 23->33         started        signatures8 process9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-07-17 16:35:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
26 of 38 (68.42%)
Threat level:
  2/5
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 SetWindowsHookEx
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 user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1943246536:AAEouttEDWf0z0-Agn3KI8oZ4mxDPtXA4_U/
Unpacked files
SH256 hash:
c1796a8cf6be4b31342d3ba730ee278132be920a0b0946531edfd5d3ab2415ef
MD5 hash:
594173a93a04d2b9ed53ee505a9d418b
SHA1 hash:
f2c5e775bf98475700c428dd92c2d25ee330e96b
SH256 hash:
68a588224c4d4a89364afda86887d6176e323f74e8e771625c9261b3e8298c04
MD5 hash:
1ecd153ec7d9c1db8af88d57fe418a9d
SHA1 hash:
d61c6aa28c72d3bd69224764c884ecbc90114a9e
Detections:
AgentTeslaXorStringsNet
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
SH256 hash:
4669c906f73249841dc898618df677265e62ff2b36fd7f95497c11dbfbbedeb7
MD5 hash:
b66285b3f73864d6306a0d5a5b551e46
SHA1 hash:
a2eca7082bd45724eb76bd1fbaa7504a2f4efb6b
SH256 hash:
8a9134daa25d861d333adfea78e7243d2668d86dd35c18ec05593b9ad8f2a219
MD5 hash:
2ea2de92d8d8acebb6efc0235e479bc0
SHA1 hash:
5533708482177093b463d45be4e67f194ab9069b
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: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 8a9134daa25d861d333adfea78e7243d2668d86dd35c18ec05593b9ad8f2a219

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments