MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b5b09ddaf5f999eca11a9c5be254f2be6a984356aa21006bef049812ad86cba. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b5b09ddaf5f999eca11a9c5be254f2be6a984356aa21006bef049812ad86cba
SHA3-384 hash: 7ffda3cadbae5db56412b031a81d6849455bcf77f035fa61f44ead2bdf77b768454da128ef70763c5b5236d8cdb8f720
SHA1 hash: 68e9f14b9f64d1c652ba15c29db3817e06aa24c0
MD5 hash: ab9d99156f2ef9cee9de5def94272106
humanhash: diet-fix-cardinal-ohio
File name:SoA & Invoice copy.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'263'104 bytes
First seen:2022-03-29 04:35:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:1Ne0rRG3fIfDcerPkV7Y5Nph4Pqgu7DBUIdUowLpz6S:1NeN3fIfDrAV7YFcq5fdUowLN6S
Threatray 15'811 similar samples on MalwareBazaar
TLSH T1CD45DF65FAE4841CFA7D86FA58B0B2D08F206F161927D7C953B139D9C9FE3412D4E282
File icon (PE):PE icon
dhash icon 00e8d0d0e0e8d400 (5 x AgentTesla, 1 x NanoCore, 1 x njrat)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
220
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/258857/
Detection(s):
Win.Trojan.Injectorx-9940717-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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 process from a recently created file
Creating a file in the %temp% directory
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/62428cb39253b276b797a279/reports/6983af1f-d378-4180-af0e-5c3ad4b98cb6/overview
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a932d12e-8303-404f-872c-01d379d27c86
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/966325
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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: 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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 598816 Sample: SoA & Invoice copy.exe Startdate: 29/03/2022 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 15 other signatures 2->39 7 SoA & Invoice copy.exe 7 2->7         started        process3 file4 25 C:\Users\user\AppData\...\ZXUdIyWDfmQ.exe, PE32 7->25 dropped 27 C:\Users\...\ZXUdIyWDfmQ.exe:Zone.Identifier, ASCII 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp37B8.tmp, XML 7->29 dropped 31 C:\Users\user\...\SoA & Invoice copy.exe.log, ASCII 7->31 dropped 41 Adds a directory exclusion to Windows Defender 7->41 43 Injects a PE file into a foreign processes 7->43 11 powershell.exe 22 7->11         started        13 powershell.exe 9 7->13         started        15 schtasks.exe 1 7->15         started        17 SoA & Invoice copy.exe 2 7->17         started        signatures5 process6 process7 19 conhost.exe 11->19         started        21 conhost.exe 13->21         started        23 conhost.exe 15->23         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4b5b09ddaf5f999eca11a9c5be254f2be6a984356aa21006bef049812ad86cba/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-29 04:36:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
39
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jnnqtxnpl6mz5sqrvhc34jkpfptktbbvnkrbabv66beyckwyns5a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
00957a8942469dcea856dc800ff76a4a63926c8a1033ab87101979d08bf5251e
AgentTesla
19f3591a7e0a37694777c6e3a6a2d48b71c409c223d2168fcf7cddb6b77a8b49
AgentTesla
1b9bb1e946bfa8aedec8483a97b8abc7bac0da1e58150d23b2c0473aa1095782
AgentTesla
7d330e99d8984003178e9901572adc43d719d4618aaa076a8e697eada127c014
AgentTesla
843953f91f7a0cea202cd389974f9bbfe111934bf175af7cb0e44804be5b9b4d
AgentTesla
97a573fd680ef24fba3d6d7247f05e3425696b8077f4afda2279801f6d4a57d4
AgentTesla
de2e00592af25f6033e0b10dbf2974b1e482ad117118cb726892a89acf2cd47b
AgentTesla
f5a368e8e1fd840abbe075db0a30756ca6297af3c9d3a8f9e1998f57e1204cbd
AgentTesla
fa9e912f4548b0952e0c2fcf223562d6d715c13b0f54986c049f98f1680ccd6f
AgentTesla
+ 15'801 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220329-e7874abfg6/
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:
a0c71b912823f1837ddf8fb3094a1ed1b63f8db13d6d0666c8240eba516015ce
MD5 hash:
efc7cd525458fcc4c54c093b8b350523
SHA1 hash:
79d5117370691f073f8bec2af7fc1a52a22af944
Link:
https://www.unpac.me/results/af59d840-9987-45df-b6a4-ef73ce70830e/
SH256 hash:
613b2819d35360cbfe6c94b2b998d1a4998c89f5bdef505e0e158e1288ab684c
MD5 hash:
3096cbaf4b5d40f9c61bf7ce13fde62f
SHA1 hash:
6b3c580e51fd306bfdc2e727ca3bc7805aba4b53
Link:
https://www.unpac.me/results/af59d840-9987-45df-b6a4-ef73ce70830e/
SH256 hash:
8973a9caa814e770c77e4491760bdecdabbf13b36e0a6f15c1e9f2f6a4fbec51
MD5 hash:
7914726058bd7b23a87539ee1e2d05ff
SHA1 hash:
57f9bdc0eeae2abf078e3548bb117440899b5a12
Link:
https://www.unpac.me/results/af59d840-9987-45df-b6a4-ef73ce70830e/
SH256 hash:
2bea3037ade25b4b2851889336aa7d8f343dd70ea2421c781781e9fcfb6a5e74
MD5 hash:
99b93f935e9cca783daa286b0e41f59a
SHA1 hash:
3efe57af4b84dcd3e202dca109151d9b2900daa6
Link:
https://www.unpac.me/results/af59d840-9987-45df-b6a4-ef73ce70830e/
SH256 hash:
4b5b09ddaf5f999eca11a9c5be254f2be6a984356aa21006bef049812ad86cba
MD5 hash:
ab9d99156f2ef9cee9de5def94272106
SHA1 hash:
68e9f14b9f64d1c652ba15c29db3817e06aa24c0
Link:
https://www.unpac.me/results/af59d840-9987-45df-b6a4-ef73ce70830e/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4b5b09ddaf5f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4b5b09ddaf5f999eca11a9c5be254f2be6a984356aa21006bef049812ad86cba

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 4b5b09ddaf5f999eca11a9c5be254f2be6a984356aa21006bef049812ad86cba

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/258857/

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