MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4372af3cc2398f62f4737895b8d481e37441a22cf00bc3426546974c2636322b. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4372af3cc2398f62f4737895b8d481e37441a22cf00bc3426546974c2636322b
SHA3-384 hash: 06a181cfb79a51b21e5f986b4feb65f4da3841c9d26b1f8843c7cc8a3711914720e24568ca60897a07990df9b8739971
SHA1 hash: 149a7c7ceb87b4f8c579545e71f89baa308869ad
MD5 hash: 20424699f3d0832a9d1b46c74a7f4980
humanhash: purple-indigo-september-washington
File name:ARRIVAL NOTICE & INVOICE ETA 10th AUGUST 2020.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:760'320 bytes
First seen:2020-08-03 07:19:09 UTC
Last seen:2020-08-03 07:42:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:cP7z/0bQZCv/LejMZ5fNpahCzo1WmSecU0:Oz/08Z0t5uhCQWmS60
Threatray 11'247 similar samples on MalwareBazaar
TLSH 6BF40204BD0EA602CD090470CC6FCA7439206EC6B5A2B2F6669FFFBFE535746190E55A
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: rim-tele.com
Sending IP: 188.128.84.2
From: Pacific Logistics (HK) Limited <apl_doc@asean-paciific.com>
Subject: ARRIVAL NOTICE & INVOICE ETA 10th AUGUST 2020
Attachment: ARRIVAL NOTICE INVOICE ETA 10th AUGUST 2020.rar (contains "ARRIVAL NOTICE & INVOICE ETA 10th AUGUST 2020.exe")

AgentTesla SMTP exfil server:
mail.chinagrill.co:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/37430/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.276.4660.12360.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Enabling autorun
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/407417
Signature
.NET source code contains potential unpacker
Creates an undocumented autostart registry key
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
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 255945 Sample: ARRIVAL NOTICE & INVOICE ET... Startdate: 03/08/2020 Architecture: WINDOWS Score: 88 40 Yara detected AgentTesla 2->40 42 .NET source code contains potential unpacker 2->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 2->44 46 4 other signatures 2->46 7 ARRIVAL NOTICE & INVOICE ETA 10th AUGUST 2020.exe 7 2->7         started        process3 file4 34 C:\Users\user\AppData\Local\...\name.exe.lnk, MS 7->34 dropped 36 ARRIVAL NOTICE & I...AUGUST 2020.exe.log, ASCII 7->36 dropped 38 C:\Users\user\AppData\Local\Temp\svhost.exe, PE32 7->38 dropped 50 Injects a PE file into a foreign processes 7->50 11 ARRIVAL NOTICE & INVOICE ETA 10th AUGUST 2020.exe 2 7->11         started        14 cmd.exe 1 7->14         started        16 cmd.exe 3 7->16         started        19 cmd.exe 1 7->19         started        signatures5 process6 file7 52 Tries to steal Mail credentials (via file access) 11->52 54 Tries to harvest and steal browser information (history, passwords, etc) 11->54 21 reg.exe 1 1 14->21         started        24 conhost.exe 14->24         started        30 C:\Users\user\AppData\Local\Temp\...\name.exe, PE32 16->30 dropped 26 conhost.exe 16->26         started        32 C:\Users\user\...\name.exe:Zone.Identifier, ASCII 19->32 dropped 28 conhost.exe 19->28         started        signatures8 process9 signatures10 48 Creates an undocumented autostart registry key 21->48
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4372af3cc2398f62f4737895b8d481e37441a22cf00bc3426546974c2636322b/
Threat name:
ByteCode-MSIL.Trojan.SmartAssembly
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 07:21:06 UTC
AV detection:
30 of 48 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=inzk6pgchghwf5dtpck3rveb4n2edirm6af4gqtfi2luyjrwgivq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 11'237 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200803-pykg7darna/
Behaviour
NTFS ADS
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Loads dropped DLL
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Quasar
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4372af3cc2398f62f4737895b8d481e37441a22cf00bc3426546974c2636322b

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 63013a9653f764f231089f62f9cc18dc60d0de2debe10310bbb007db0f201b06

AgentTesla

Executable exe 4372af3cc2398f62f4737895b8d481e37441a22cf00bc3426546974c2636322b

(this sample)

  
Dropped by
MD5 d37c46deacabb728d1415ab12cfb8686
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/37430/
  
Dropped by
SHA256 63013a9653f764f231089f62f9cc18dc60d0de2debe10310bbb007db0f201b06

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