MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 00957a8942469dcea856dc800ff76a4a63926c8a1033ab87101979d08bf5251e. 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 2 File information Comments

SHA256 hash: 00957a8942469dcea856dc800ff76a4a63926c8a1033ab87101979d08bf5251e
SHA3-384 hash: 4025230c8c9d89a856862fbf0fb723077af2d7fcf8972f7bba9c9e75d1191d1312a7d03b6b06d0101420153c7c35f2a4
SHA1 hash: 8b017215d739532cde86427885f737f319b23dad
MD5 hash: e7343436b1e4b6f88aa7355fce29a23c
humanhash: delaware-lion-blue-uncle
File name:Feb 2022 soa.exe
Download: download sample
Signature AgentTesla
File size:1'603'584 bytes
First seen:2022-03-28 10:28:31 UTC
Last seen:2022-03-28 11:48:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:N8sQTxyrdOGVchTglEaXig1dvyzG1489lS+gQOeHZgoEbSLpn8EezCgzGrZUHHJO:NfAyrbc4O4d6zG1Dyu+oiMlMGOHqv/V
Threatray 15'745 similar samples on MalwareBazaar
TLSH T11E755A78B350799EC433C972CD645DE8AA106C6E4F1B854B629332DD8A3DEC7CE185A3
File icon (PE):PE icon
dhash icon 00ecd0f8f8f0c400 (26 x AgentTesla, 20 x SnakeKeylogger, 5 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Creating a process from a recently created file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
explorer.exe obfuscated packed replace.exe update.exe
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.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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: Suspicious Add Scheduled Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 598196 Sample: Feb 2022 soa.exe Startdate: 28/03/2022 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Yara detected AgentTesla 2->40 42 11 other signatures 2->42 7 Feb 2022 soa.exe 7 2->7         started        process3 dnsIp4 34 192.168.2.1 unknown unknown 7->34 26 C:\Users\user\AppData\...\ucVEAdeoBweooQ.exe, PE32 7->26 dropped 28 C:\...\ucVEAdeoBweooQ.exe:Zone.Identifier, ASCII 7->28 dropped 30 C:\Users\user\AppData\Local\...\tmp2E40.tmp, XML 7->30 dropped 32 C:\Users\user\...\Feb 2022 soa.exe.log, ASCII 7->32 dropped 44 Adds a directory exclusion to Windows Defender 7->44 12 powershell.exe 24 7->12         started        14 powershell.exe 25 7->14         started        16 schtasks.exe 1 7->16         started        18 Feb 2022 soa.exe 2 7->18         started        file5 signatures6 process7 process8 20 conhost.exe 12->20         started        22 conhost.exe 14->22         started        24 conhost.exe 16->24         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-28 10:29:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
91
AV detection:
20 of 26 (76.92%)
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 WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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 Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1644755040:AAGRTnph6BdO8-t1bJaOyVu9aeuJErmisqs/sendDocument
Unpacked files
SH256 hash:
2a75b54b0a104da550633414868405ff77cbdf5e5c4b2fa4756abd02ae53a7f7
MD5 hash:
1069bb394e6474cf86d952c18a563f9b
SHA1 hash:
e884a4c50311e5b1a22757db41fdcb521930331a
SH256 hash:
a0c71b912823f1837ddf8fb3094a1ed1b63f8db13d6d0666c8240eba516015ce
MD5 hash:
efc7cd525458fcc4c54c093b8b350523
SHA1 hash:
79d5117370691f073f8bec2af7fc1a52a22af944
SH256 hash:
613b2819d35360cbfe6c94b2b998d1a4998c89f5bdef505e0e158e1288ab684c
MD5 hash:
3096cbaf4b5d40f9c61bf7ce13fde62f
SHA1 hash:
6b3c580e51fd306bfdc2e727ca3bc7805aba4b53
SH256 hash:
e8e5c97630c4264447a13b54bd824a862fabc98a29ca3a9a8eb222c383a0ead5
MD5 hash:
aeb1b2e190c84ef4b48926c3114656a2
SHA1 hash:
2677aa547231e485e9c47f4d8612ad337568f374
SH256 hash:
00957a8942469dcea856dc800ff76a4a63926c8a1033ab87101979d08bf5251e
MD5 hash:
e7343436b1e4b6f88aa7355fce29a23c
SHA1 hash:
8b017215d739532cde86427885f737f319b23dad
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.

Malspam

AgentTesla

Executable exe 00957a8942469dcea856dc800ff76a4a63926c8a1033ab87101979d08bf5251e

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments