MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a09c6af12b3f55605f7673e4fce99891d181a4a6616b5502f17eb300238e2186. 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 3 File information Comments 1

SHA256 hash: a09c6af12b3f55605f7673e4fce99891d181a4a6616b5502f17eb300238e2186
SHA3-384 hash: 0d9d6ae2e929da66a1f3a5fb95af7c34c614248552ce4384a78eee2956a36fcfb18dcb29842ddfa38302d69fa0d35431
SHA1 hash: 4dc4fac3c290a907652a90e5d89ac81f0b702b4d
MD5 hash: 912d28ea3707e9bead5b4f407dc7f32d
humanhash: massachusetts-ohio-avocado-early
File name:912d28ea3707e9bead5b4f407dc7f32d
Download: download sample
Signature AgentTesla
File size:1'098'240 bytes
First seen:2021-12-09 14:01:47 UTC
Last seen:2021-12-09 16:42:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:t+0rY6amiDu22IiqMGmlxVScyZ+HO9YyuhUIWyPry:XRXiy2LisgxVByZ+HO9YyuSIWyTy
TLSH T1593523367A99CC11E7BB6636CCCE613047BCFD076403D719387CB2BE299276819B2265
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASE ORDER.doc
Verdict:
Malicious activity
Analysis date:
2021-12-08 11:48:10 UTC
Tags:
ole-embedded loader trojan rat agenttesla

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

Behaviour
Creating a window
DNS request
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:
obfuscated 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 potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Installs a global keyboard hook
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: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 dnsIp2 2 Behavior Graph ID: 537152 Sample: L0ixg121wa Startdate: 09/12/2021 Architecture: WINDOWS Score: 100 30 us2.smtp.mailhostbox.com 2->30 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Found malware configuration 2->36 38 Multi AV Scanner detection for dropped file 2->38 40 8 other signatures 2->40 8 L0ixg121wa.exe 7 2->8         started        signatures3 process4 file5 24 C:\Users\user\AppData\...\wsraRmISsF.exe, PE32 8->24 dropped 26 C:\Users\user\AppData\Local\...\tmp4B56.tmp, XML 8->26 dropped 28 C:\Users\user\AppData\...\L0ixg121wa.exe.log, ASCII 8->28 dropped 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->44 46 Uses schtasks.exe or at.exe to add and modify task schedules 8->46 48 Adds a directory exclusion to Windows Defender 8->48 12 L0ixg121wa.exe 6 8->12         started        16 powershell.exe 24 8->16         started        18 schtasks.exe 1 8->18         started        signatures6 process7 dnsIp8 32 us2.smtp.mailhostbox.com 208.91.198.143, 49849, 49850, 587 PUBLIC-DOMAIN-REGISTRYUS United States 12->32 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->50 52 Tries to steal Mail credentials (via file / registry access) 12->52 54 Tries to harvest and steal ftp login credentials 12->54 56 2 other signatures 12->56 20 conhost.exe 16->20         started        22 conhost.exe 18->22         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-08 16:18:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 45 (44.44%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
0573af4533a987775691fb3edb9717a3b18d0e072278524cba21661de1ec1eac
MD5 hash:
c1926fd6fcc9e761d4cfcc66cbb65b73
SHA1 hash:
96dc12d2a5e7e533369883407c8e2143eae44cd1
SH256 hash:
fd9e9bd5c321ca033f71aa72f2fdca00f4813b4be64e11e7ccc482b70013138c
MD5 hash:
7da113b0ab986a0d5623f9c7a609cb5f
SHA1 hash:
7c2a2658d4d13604ae57bbb56f16675acc6454af
SH256 hash:
9cd82dba6c55d901ac7d7007b7a04a30146ad7c297400d44f9d96b90c5ca25d4
MD5 hash:
d9477c36da677507cd33c6eef325d694
SHA1 hash:
330dc88b5041ca9edf57542f5a30c37eef6f11b1
SH256 hash:
a09c6af12b3f55605f7673e4fce99891d181a4a6616b5502f17eb300238e2186
MD5 hash:
912d28ea3707e9bead5b4f407dc7f32d
SHA1 hash:
4dc4fac3c290a907652a90e5d89ac81f0b702b4d
Malware family:
Agent Tesla 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: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.

Web download

AgentTesla

Executable exe a09c6af12b3f55605f7673e4fce99891d181a4a6616b5502f17eb300238e2186

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-12-09 14:01:49 UTC

url : hxxp://173.232.204.89/9c_IK.exe