MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99db6e23457a904ce44e0f40846810026bfd85542099ccb5f37ff47589ace258. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 99db6e23457a904ce44e0f40846810026bfd85542099ccb5f37ff47589ace258
SHA3-384 hash: f9e5d66f3445ed76a3e7baaec8223ee95a0d2c6cab997d72dcf66727b5b588b57e36d3555d27278f3c23a02f29d6a55c
SHA1 hash: 83a75051c07952d61cfe904f3c145f1189e7791f
MD5 hash: 805a81774a4d5e6e10b94fb31345389e
humanhash: vermont-bulldog-may-montana
File name:SecuriteInfo.com.Win32.PWSX-gen.17188.9148
Download: download sample
Signature AgentTesla
File size:847'360 bytes
First seen:2022-12-06 12:43:51 UTC
Last seen:2022-12-12 08:45:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'746 x AgentTesla, 19'628 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:2wlPomomPZeftMMAurLe23BG64y9WhUcTo5wW8BI3NGNaKk9VG810PtqvyuH/:Homxi6Mo23g64yQC+IwFudGN18WQFf
TLSH T142058A3C23B4EE22D838DBB57966D0B0CEA52953E441F73D99C161DE27E1B501A13E3A
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 e4f4969696d4d4d4 (1 x AgentTesla)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.17188.9148
Verdict:
Malicious activity
Analysis date:
2022-12-06 12:46:59 UTC
Tags:
trojan rat agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Connects to many ports of the same IP (likely port scanning)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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 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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 761638 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 06/12/2022 Architecture: WINDOWS Score: 100 70 Snort IDS alert for network traffic 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Sigma detected: Scheduled temp file as task from temp location 2->74 76 8 other signatures 2->76 7 SecuriteInfo.com.Win32.PWSX-gen.17188.9148.exe 7 2->7         started        11 esSJC.exe 2->11         started        13 olinBJfOm.exe 5 2->13         started        15 esSJC.exe 2->15         started        process3 file4 50 C:\Users\user\AppData\Roaming\olinBJfOm.exe, PE32 7->50 dropped 52 C:\Users\...\olinBJfOm.exe:Zone.Identifier, ASCII 7->52 dropped 54 C:\Users\user\AppData\Local\...\tmpD30F.tmp, XML 7->54 dropped 56 SecuriteInfo.com.W....17188.9148.exe.log, ASCII 7->56 dropped 90 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->90 92 May check the online IP address of the machine 7->92 94 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->94 102 2 other signatures 7->102 17 SecuriteInfo.com.Win32.PWSX-gen.17188.9148.exe 17 6 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        96 Multi AV Scanner detection for dropped file 11->96 98 Machine Learning detection for dropped file 11->98 100 Injects a PE file into a foreign processes 11->100 26 esSJC.exe 11->26         started        28 schtasks.exe 11->28         started        30 esSJC.exe 11->30         started        32 esSJC.exe 11->32         started        34 olinBJfOm.exe 13->34         started        36 schtasks.exe 13->36         started        signatures5 process6 dnsIp7 58 ftp.deconbrio.com 143.95.110.250, 21, 31314, 33715 ASMALLORANGE1US United States 17->58 60 api.ipify.org.herokudns.com 3.220.57.224, 443, 49698 AMAZON-AESUS United States 17->60 62 api.ipify.org 17->62 46 C:\Users\user\AppData\Roaming\...\esSJC.exe, PE32 17->46 dropped 48 C:\Users\user\...\esSJC.exe:Zone.Identifier, ASCII 17->48 dropped 78 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->78 80 Tries to steal Mail credentials (via file / registry access) 17->80 82 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->82 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        64 52.20.78.240, 443, 49701, 49702 AMAZON-AESUS United States 26->64 66 api.ipify.org 26->66 84 Tries to harvest and steal ftp login credentials 26->84 86 Tries to harvest and steal browser information (history, passwords, etc) 26->86 88 Installs a global keyboard hook 26->88 42 conhost.exe 28->42         started        68 api.ipify.org 34->68 44 conhost.exe 36->44         started        file8 signatures9 process10
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-12-06 11:17:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
14 of 41 (34.15%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Unpacked files
SH256 hash:
71bf2c58ac90cc214951b23125ef25d06f3a67bc96e7afc1adc7e24ec4594c56
MD5 hash:
c74aff28a28d2b9327f6663145565a4b
SHA1 hash:
881f56b7da6371d38761cf55abc7e620c18b2e63
SH256 hash:
922915132a628d0050bf03a473370544dde3323627fb4adcba3f1ba869537e50
MD5 hash:
1ecb63625d636b0b8f8ebdece9fa80c3
SHA1 hash:
5623d5ad21fc63893011bae7e4709c51219fcc1c
SH256 hash:
7e1859faa00676852070999e094e22b572cf38bac7b567985589cca736f78e8e
MD5 hash:
69d1cf6092a065749050d8aeb6c6bf8b
SHA1 hash:
523578885b435690bdc5601d789b08630c4f8c5f
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
SH256 hash:
99db6e23457a904ce44e0f40846810026bfd85542099ccb5f37ff47589ace258
MD5 hash:
805a81774a4d5e6e10b94fb31345389e
SHA1 hash:
83a75051c07952d61cfe904f3c145f1189e7791f
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: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.

Comments