MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d288d112803cc81d6d78ae0e11766481553d280d3644f75208825aba7362870d. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: d288d112803cc81d6d78ae0e11766481553d280d3644f75208825aba7362870d
SHA3-384 hash: 26ddf9ab1f499930b62100483f1e8dbb683481a6389dd1607d8462ecaba89054584d0a7da8f9b3a8885f94b8b8a02ba8
SHA1 hash: 4731a5de5ca911bfc59323d1f1ba86cd81217b49
MD5 hash: cc0f7853951cc060df6fba320853caf6
humanhash: virginia-earth-nevada-washington
File name:Documents.exe
Download: download sample
Signature AgentTesla
File size:1'487'872 bytes
First seen:2022-11-04 09:17:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:nKXB4Ron1z3es/LitORJ+w6lJYDJ1pPC4IXPxJorX34JZN7+39DeLW:nKXGqnN3es/LiJwxV19C42nob3o7ko
Threatray 19'667 similar samples on MalwareBazaar
TLSH T1D665F12039E7521CF2BBDFB81BE0B8A95EADF5321B1AA57E185107864732D02CDC6477
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 71f0f0f0b0b8fc71 (8 x AgentTesla)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Documents.exe
Verdict:
No threats detected
Analysis date:
2022-11-04 09:19:29 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
Verdict:
Suspicious
Threat level:
  5/10
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 method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code contains very large strings
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
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 dnsIp2 2 Behavior Graph ID: 737934 Sample: Documents.exe Startdate: 04/11/2022 Architecture: WINDOWS Score: 100 49 api.telegram.org 2->49 55 Snort IDS alert for network traffic 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Sigma detected: Scheduled temp file as task from temp location 2->59 61 11 other signatures 2->61 8 Documents.exe 6 2->8         started        12 SsLtblq.exe 5 2->12         started        14 cjZbsu.exe 5 2->14         started        16 SsLtblq.exe 2->16         started        signatures3 process4 file5 43 C:\Users\user\AppData\Roaming\cjZbsu.exe, PE32 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmpE946.tmp, XML 8->45 dropped 47 C:\Users\user\AppData\...\Documents.exe.log, ASCII 8->47 dropped 73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->73 75 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->75 77 Uses schtasks.exe or at.exe to add and modify task schedules 8->77 18 Documents.exe 17 6 8->18         started        23 schtasks.exe 1 8->23         started        79 Multi AV Scanner detection for dropped file 12->79 81 Machine Learning detection for dropped file 12->81 83 Injects a PE file into a foreign processes 12->83 25 SsLtblq.exe 12->25         started        27 schtasks.exe 12->27         started        29 cjZbsu.exe 14->29         started        31 schtasks.exe 14->31         started        signatures6 process7 dnsIp8 51 api.telegram.org 149.154.167.220, 443, 49698, 49699 TELEGRAMRU United Kingdom 18->51 39 C:\Users\user\AppData\Roaming\...\SsLtblq.exe, PE32 18->39 dropped 41 C:\Users\user\...\SsLtblq.exe:Zone.Identifier, ASCII 18->41 dropped 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->63 65 Tries to steal Mail credentials (via file / registry access) 18->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->67 33 conhost.exe 23->33         started        53 192.168.2.1 unknown unknown 25->53 69 Tries to harvest and steal ftp login credentials 25->69 71 Tries to harvest and steal browser information (history, passwords, etc) 25->71 35 conhost.exe 27->35         started        37 conhost.exe 31->37         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-11-04 03:31:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
51
AV detection:
20 of 26 (76.92%)
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/bot1507062795:AAEBb0H5OYbp-dWwXk8ffQp0InjOhKxhpbU/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
SH256 hash:
89d2171403975d7b451526f2cfabca617317d997e94c3eeb9c184ecee4c7db6e
MD5 hash:
9e3cbd0466b28e9526bebab95e600047
SHA1 hash:
01b889e3e878d5596a88496f5993366db61f2c2c
SH256 hash:
d288d112803cc81d6d78ae0e11766481553d280d3644f75208825aba7362870d
MD5 hash:
cc0f7853951cc060df6fba320853caf6
SHA1 hash:
4731a5de5ca911bfc59323d1f1ba86cd81217b49
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 d288d112803cc81d6d78ae0e11766481553d280d3644f75208825aba7362870d

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments