MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e673332bede0d99119dddfdf730d250a4a4eb4b84810fdf8bd8f27e6955c6412. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e673332bede0d99119dddfdf730d250a4a4eb4b84810fdf8bd8f27e6955c6412
SHA3-384 hash: 03e565430b07510191f12ca9add7052d5025ebae78d53f760e91261a70e9bfd18000aa2b55b89b0ebeed38554119fd07
SHA1 hash: 7b677bb0b756d77f2037b337205c22ee56093a0f
MD5 hash: ea7b52c9609984e7f2f4b38535e39b6b
humanhash: six-muppet-golf-four
File name:MEDIFORM SA COMPANY PROFILE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:503'808 bytes
First seen:2020-08-08 08:06:13 UTC
Last seen:2020-08-08 08:54:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'620 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:1W+EVySEQMam+36hJV0hhgpgVxhNutFGFGLwZnegrpiA:lqySETVrhImp6hNuW3QA
Threatray 10'646 similar samples on MalwareBazaar
TLSH DCB412AD07BDAB72C9EC0BBC29CC324516B8DC46A2D7DB141E1639FF206731156817AB
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hshgroups.co
Sending IP: 104.168.166.26
From: Mediform S.A<mediform.s.a@hotmail.com>
Subject: Re:Fw: Request For New Inquiry RFQ
Attachment: MEDIFORM SA COMPANY PROFILE.rar (contains "MEDIFORM SA COMPANY PROFILE.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/42057/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader34.18893.23647.26133.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/415706
Signature
.NET source code contains potential unpacker
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates executable files without a name
Found malware configuration
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
Moves itself to temp directory
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
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 260102 Sample: MEDIFORM SA COMPANY PROFILE.exe Startdate: 08/08/2020 Architecture: WINDOWS Score: 100 74 Found malware configuration 2->74 76 Sigma detected: Scheduled temp file as task from temp location 2->76 78 Yara detected AgentTesla 2->78 80 9 other signatures 2->80 7 MEDIFORM SA COMPANY PROFILE.exe 7 2->7         started        11 .exe 5 2->11         started        13 .exe 4 2->13         started        process3 file4 44 C:\Users\user\AppData\...\pEbZUdiIOXLq.exe, PE32 7->44 dropped 46 C:\Users\...\pEbZUdiIOXLq.exe:Zone.Identifier, ASCII 7->46 dropped 48 C:\Users\user\AppData\Local\...\tmpF07E.tmp, XML 7->48 dropped 50 C:\...\MEDIFORM SA COMPANY PROFILE.exe.log, ASCII 7->50 dropped 82 Injects a PE file into a foreign processes 7->82 15 MEDIFORM SA COMPANY PROFILE.exe 2 6 7->15         started        20 schtasks.exe 1 7->20         started        84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->84 86 Machine Learning detection for dropped file 11->86 88 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->88 22 .exe 11->22         started        24 schtasks.exe 1 11->24         started        26 .exe 11->26         started        28 .exe 11->28         started        30 schtasks.exe 13->30         started        32 .exe 13->32         started        signatures5 process6 dnsIp7 52 smtp.yandex.ru 77.88.21.158, 49739, 49741, 587 YANDEXRU Russian Federation 15->52 54 192.168.2.1 unknown unknown 15->54 56 smtp.yandex.com 15->56 40 C:\Users\user\AppData\Roaming\.exe, PE32 15->40 dropped 42 C:\Users\user\...\.exe:Zone.Identifier, ASCII 15->42 dropped 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->60 62 Moves itself to temp directory 15->62 64 Tries to steal Mail credentials (via file access) 15->64 72 2 other signatures 15->72 34 conhost.exe 20->34         started        58 smtp.yandex.com 22->58 66 Tries to harvest and steal ftp login credentials 22->66 68 Tries to harvest and steal browser information (history, passwords, etc) 22->68 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->70 36 conhost.exe 24->36         started        38 conhost.exe 30->38         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e673332bede0d99119dddfdf730d250a4a4eb4b84810fdf8bd8f27e6955c6412/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-08 08:08:08 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4zztgk7n4dmzcgo537pxgdjfbjfe5nfyjaip36f5r4t6nfk4mqja._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'636 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200808-dgja3fct9n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/e673332bede0d99119dddfdf730d250a4a4eb4b84810fdf8bd8f27e6955c6412

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

rar aba154f4c2ea2f68e06975a6a3f6849eff020076bb05c219b5e5299464188898

AgentTesla

Executable exe e673332bede0d99119dddfdf730d250a4a4eb4b84810fdf8bd8f27e6955c6412

(this sample)

  
Dropped by
MD5 80740c2112974d1379c658946c20d882
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/42057/
  
Dropped by
SHA256 aba154f4c2ea2f68e06975a6a3f6849eff020076bb05c219b5e5299464188898

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