MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1503da6887c206ae3070cc780474897b492572a3d46b013d2215d529d0d0231. 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 3 File information Comments

SHA256 hash: a1503da6887c206ae3070cc780474897b492572a3d46b013d2215d529d0d0231
SHA3-384 hash: 399e3e6eead9ae740f357faded967e5c9e6fd6713966a1e8c929d3b066992a86b0f628565632c7f22accab3ae96f45b4
SHA1 hash: 8d16139177177618bcbf459bf7ec9bad07182014
MD5 hash: d1c071256187ed8f4e2fcf9ddc6e3063
humanhash: steak-earth-march-hotel
File name:Invoce.exe
Download: download sample
Signature AgentTesla
File size:1'063'936 bytes
First seen:2022-11-01 17:22:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:NGA6w+DysRY/7Pb5/Mgjf2xj3K3GorX3g39pcULIchA:YA6w+DysRY/7P1/Nq03Gob3GpcUH
Threatray 19'543 similar samples on MalwareBazaar
TLSH T18A35695219CCD597E22C1DBDC09D20F3CEA2FF329525BADA288138E5E2B2F407A5D175
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 4818f8c8e0f08e40 (3 x SnakeKeylogger, 3 x AgentTesla)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
370
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Invoce.exe
Verdict:
Malicious activity
Analysis date:
2022-11-01 17:48:44 UTC
Tags:
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
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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 detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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 AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 735333 Sample: Invoce.exe Startdate: 01/11/2022 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic 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 Invoce.exe 6 2->7         started        11 FSZbWG.exe 5 2->11         started        13 LdtJsTw.exe 4 2->13         started        15 LdtJsTw.exe 3 2->15         started        process3 file4 44 C:\Users\user\AppData\Roaming\FSZbWG.exe, PE32 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmp1075.tmp, XML 7->46 dropped 48 C:\Users\user\AppData\...\Invoce.exe.log, ASCII 7->48 dropped 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->70 72 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->72 74 Uses schtasks.exe or at.exe to add and modify task schedules 7->74 17 Invoce.exe 17 6 7->17         started        22 schtasks.exe 1 7->22         started        24 Invoce.exe 7->24         started        76 Multi AV Scanner detection for dropped file 11->76 78 Machine Learning detection for dropped file 11->78 80 Injects a PE file into a foreign processes 11->80 26 FSZbWG.exe 11->26         started        28 schtasks.exe 11->28         started        30 LdtJsTw.exe 13->30         started        32 schtasks.exe 13->32         started        signatures5 process6 dnsIp7 50 api.telegram.org 149.154.167.220, 443, 49685, 49686 TELEGRAMRU United Kingdom 17->50 40 C:\Users\user\AppData\Roaming\...\LdtJsTw.exe, PE32 17->40 dropped 42 C:\Users\user\...\LdtJsTw.exe:Zone.Identifier, ASCII 17->42 dropped 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->60 62 Tries to steal Mail credentials (via file / registry access) 17->62 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->64 34 conhost.exe 22->34         started        36 conhost.exe 28->36         started        66 Tries to harvest and steal ftp login credentials 30->66 68 Tries to harvest and steal browser information (history, passwords, etc) 30->68 38 conhost.exe 32->38         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-27 12:23:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
41
AV detection:
27 of 40 (67.50%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence 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
Adds Run key to start application
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/bot5495243543:AAG3XPeGW7yqfXF6_EXjGSfO9SWHJTpqVsU/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
SH256 hash:
77e76c201ed353c2d02fa33eaf07e3d6e055e88c96be0741ac6ccd13f9dcb56c
MD5 hash:
399181b5fc27ad228b2950f3f2310d1b
SHA1 hash:
5ee68a07d63de656dc4c557aabc8342c0ebfa1fc
SH256 hash:
a1503da6887c206ae3070cc780474897b492572a3d46b013d2215d529d0d0231
MD5 hash:
d1c071256187ed8f4e2fcf9ddc6e3063
SHA1 hash:
8d16139177177618bcbf459bf7ec9bad07182014
Malware family:
AgentTesla.v3
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:meth_get_eip
Author:Willi Ballenthin
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 a1503da6887c206ae3070cc780474897b492572a3d46b013d2215d529d0d0231

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments