MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23abc888951142813a7bb5bf072979238c51ad5cae059ef89303322371f8497f. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 23abc888951142813a7bb5bf072979238c51ad5cae059ef89303322371f8497f
SHA3-384 hash: d846bc5fa507eec344816e57476917338a77bb059e8eaa1792cbb79c27c3c30b93304fdad75769fc561107b2fbd08aea
SHA1 hash: 760277171499e5450c28d13c961c68ec5624afbb
MD5 hash: 8d3fa18b18e2ba9176f4c298658e25cf
humanhash: mobile-enemy-triple-emma
File name:INVOICE.EXE
Download: download sample
Signature AgentTesla
File size:660'992 bytes
First seen:2023-08-16 13:29:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:D44lrrWwuWNh+Ds0boF2pYLQ5zvv4yOyn+cNh4mUVOZVI4:D44lXWX4Fmo9L+TZOS3lU4u
TLSH T111E4231551A85BB6C8DEAFBE9585206107B2E2B3B312E39C5FC878CBC563B07874075B
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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter cocaman
Tags:AgentTesla exe INVOICE

Intelligence


File Origin
# of uploads :
1
# of downloads :
258
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
INVOICE.EXE
Verdict:
Malicious activity
Analysis date:
2023-08-16 13:32:34 UTC
Tags:
agenttesla stealer

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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
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
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
May check the online IP address of the machine
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 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: 1292157 Sample: INVOICE.EXE.exe Startdate: 16/08/2023 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 5 other signatures 2->55 7 INVOICE.EXE.exe 7 2->7         started        11 pbJJsG.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\Roaming\pbJJsG.exe, PE32 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp1B1C.tmp, XML 7->35 dropped 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->57 59 May check the online IP address of the machine 7->59 61 Uses schtasks.exe or at.exe to add and modify task schedules 7->61 63 Adds a directory exclusion to Windows Defender 7->63 13 INVOICE.EXE.exe 15 2 7->13         started        17 powershell.exe 19 7->17         started        19 schtasks.exe 1 7->19         started        65 Multi AV Scanner detection for dropped file 11->65 21 pbJJsG.exe 11->21         started        23 schtasks.exe 1 11->23         started        25 pbJJsG.exe 11->25         started        signatures5 process6 dnsIp7 37 sgbumperscar.com 119.17.253.214, 49719, 49726, 587 NETNAM-AS-APNetnamCompanyVN Viet Nam 13->37 39 api4.ipify.org 173.231.16.76, 443, 49718 WEBNXUS United States 13->39 45 2 other IPs or domains 13->45 67 Installs a global keyboard hook 13->67 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        41 64.185.227.156, 443, 49720 WEBNXUS United States 21->41 43 192.168.2.1 unknown unknown 21->43 47 2 other IPs or domains 21->47 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->69 71 Tries to steal Mail credentials (via file / registry access) 21->71 73 Tries to harvest and steal browser information (history, passwords, etc) 21->73 31 conhost.exe 23->31         started        signatures8 process9
Threat name:
ByteCode-MSIL.Spyware.Taskun
Status:
Malicious
First seen:
2023-08-14 08:19:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 38 (57.89%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
ee86508e634824f8d7e71c44dd4294b74214a665f05ecf00f1c7a372869c3da6
MD5 hash:
f7515fc58195d97f3e1f132f89792304
SHA1 hash:
0c7dc606a73e0a459810ef670e015e64b19cb048
SH256 hash:
23abc888951142813a7bb5bf072979238c51ad5cae059ef89303322371f8497f
MD5 hash:
8d3fa18b18e2ba9176f4c298658e25cf
SHA1 hash:
760277171499e5450c28d13c961c68ec5624afbb
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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 23abc888951142813a7bb5bf072979238c51ad5cae059ef89303322371f8497f

(this sample)

Comments