MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88e8a04609753df7f1310ce60432f67f7ef5472d62c1b122bb98956cebf64ddc. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 88e8a04609753df7f1310ce60432f67f7ef5472d62c1b122bb98956cebf64ddc
SHA3-384 hash: e71ef5bcf10bfaa6002d8ffd11f3753a1c4f29196484ba4320f71ffa61cf0af8c2b67a682c8c88cbec7698fd336ba659
SHA1 hash: 24af0dc289cd58b8ad4e36c54c7b18bbc3e4b0ab
MD5 hash: c9442ca24f279d7a0a869a61c705e92b
humanhash: december-muppet-speaker-green
File name:purchase order.exe
Download: download sample
Signature AgentTesla
File size:595'456 bytes
First seen:2022-07-27 04:31:07 UTC
Last seen:2022-07-27 05:57:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:u3qRsD0/38xG+OEC1G/rZHvCWsK6q9eOmFqRxeGs6dGS3vsYTcyCKR4uHk9u:6XDU0Gt/0/rhvxDH9g+
Threatray 18'195 similar samples on MalwareBazaar
TLSH T12DC45C58329273DFDD27C6758BD86C64ABE07467C30BD227A82302A9CB0DD66CF515B2
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 469e78e4e4789e46 (10 x AgentTesla, 2 x NetWire, 1 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
287
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Using the Windows Management Instrumentation requests
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
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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.adwa.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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts 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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 674051 Sample: purchase order.exe Startdate: 27/07/2022 Architecture: WINDOWS Score: 100 62 Malicious sample detected (through community Yara rule) 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 Yara detected AgentTesla 2->66 68 12 other signatures 2->68 7 purchase order.exe 6 2->7         started        10 yqWDN.exe 4 2->10         started        13 yqWDN.exe 3 2->13         started        process3 file4 36 C:\Users\user\AppData\...\lAmmCcjmeL.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmp443F.tmp, XML 7->38 dropped 40 C:\Users\user\...\purchase order.exe.log, ASCII 7->40 dropped 15 purchase order.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        70 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->70 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->72 74 Machine Learning detection for dropped file 10->74 76 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->76 22 yqWDN.exe 2 10->22         started        24 schtasks.exe 1 10->24         started        signatures5 process6 dnsIp7 42 bulkon.co.ke 198.23.62.72, 49750, 49758, 587 STEADFASTUS United States 15->42 44 mail.bulkon.co.ke 15->44 30 C:\Users\user\AppData\Roaming\...\yqWDN.exe, PE32 15->30 dropped 32 C:\Windows\System32\drivers\etc\hosts, ASCII 15->32 dropped 34 C:\Users\user\...\yqWDN.exe:Zone.Identifier, ASCII 15->34 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->50 52 Tries to steal Mail credentials (via file / registry access) 15->52 54 Modifies the hosts file 15->54 56 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->56 26 conhost.exe 20->26         started        46 192.168.2.1 unknown unknown 22->46 48 mail.bulkon.co.ke 22->48 58 Tries to harvest and steal ftp login credentials 22->58 60 Tries to harvest and steal browser information (history, passwords, etc) 22->60 28 conhost.exe 24->28         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-07-27 04:32:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection evasion 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
Maps connected drives based on registry
Checks BIOS information in registry
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
Drops file in Drivers directory
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
0242f2ee2165a08f06c77f4e4bce5660f3614d5222ecb3d9146f562115dadec3
MD5 hash:
ab85a5db032bd69bfd49d07ac40bb3eb
SHA1 hash:
fa344bb5b1074786e1e61dc194e1a25e3d66784e
SH256 hash:
5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6
MD5 hash:
01800f6b045def8d90c649842f56d752
SHA1 hash:
f8434a4636d0772d01aac44bb3f9753a41f01d34
SH256 hash:
5af447500eccb9464f474f76d3bb1c03f1afd6b7eac607401f001a8cac636c43
MD5 hash:
544e2d60a035cc5da6b3f83855afe444
SHA1 hash:
d82bd2543b241e650739dbc347b8f33972da23ba
SH256 hash:
88e8a04609753df7f1310ce60432f67f7ef5472d62c1b122bb98956cebf64ddc
MD5 hash:
c9442ca24f279d7a0a869a61c705e92b
SHA1 hash:
24af0dc289cd58b8ad4e36c54c7b18bbc3e4b0ab
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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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 88e8a04609753df7f1310ce60432f67f7ef5472d62c1b122bb98956cebf64ddc

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments