MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1b05a16a7f955432a7866f46ac2e32ed6ba21431e190d15fa46121f8ed2d46e. 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: d1b05a16a7f955432a7866f46ac2e32ed6ba21431e190d15fa46121f8ed2d46e
SHA3-384 hash: 692c3a22f77c6cfd31570e8e3052a85480c17796c5c0f8854e6078e743d0d559658f388e32535fdad2ac5349786df326
SHA1 hash: fd8451c5027ef05aeb9a76dc71cb959ac83eefd4
MD5 hash: 0145be441fee0c4e236e855ceb44d48c
humanhash: ink-orange-bakerloo-grey
File name:DHL EXPRESS -COMMERCIAL INVOICE, BILL OF LADING.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:610'816 bytes
First seen:2020-07-29 05:27:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:JYShks4XixHn8DcbqhsJllTVm5O/GJ7N4AWL2JNx3LSgH57NHQKEm:+Sk3c+2JlRVm5O6uCx3LSU5FQKt
Threatray 10'531 similar samples on MalwareBazaar
TLSH 0AD4CF99B794EC26C3BF8135E2DD1518CAFC8197922BF3056884D7BF69C63A3D40127A
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: dhl.com
Sending IP: 209.58.149.99
From: Ruby Diao (DHL CN) <Ruby.Diao@dhl.com>
Subject: DHL Shipment Notification: 7348255141 - COMMERCIAL INVOICE, BL
Attachment: DHL EXPRESS -COMMERCIAL INVOICE, BILL OF LADING.pdf.zip (contains "DHL EXPRESS -COMMERCIAL INVOICE, BILL OF LADING.pdf.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/34136/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Moving of the original file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/401205
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Moves itself to temp directory
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 Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 252817 Sample: DHL  EXPRESS -COMMERCIAL IN... Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 42 g.msn.com 2->42 44 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->44 58 Found malware configuration 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 Yara detected AgentTesla 2->62 64 8 other signatures 2->64 7 YYtJku.exe 1 2->7         started        10 DHL  EXPRESS -COMMERCIAL INVOICE, BILL OF LADING.pdf.exe 1 2->10         started        13 YYtJku.exe 2->13         started        15 wuapihost.exe 2->15         started        signatures3 process4 file5 66 Multi AV Scanner detection for dropped file 7->66 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->68 70 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->70 17 YYtJku.exe 2 7->17         started        21 YYtJku.exe 7->21         started        32 DHL  EXPRESS -COMM... LADING.pdf.exe.log, ASCII 10->32 dropped 72 Injects a PE file into a foreign processes 10->72 23 DHL  EXPRESS -COMMERCIAL INVOICE, BILL OF LADING.pdf.exe 2 5 10->23         started        26 YYtJku.exe 13->26         started        signatures6 process7 dnsIp8 34 smtp.yandex.com 17->34 46 Tries to harvest and steal ftp login credentials 17->46 48 Tries to harvest and steal browser information (history, passwords, etc) 17->48 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->50 36 smtp.yandex.ru 77.88.21.158, 49725, 49737, 587 YANDEXRU Russian Federation 23->36 38 192.168.2.1 unknown unknown 23->38 40 smtp.yandex.com 23->40 28 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 23->28 dropped 30 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 23->30 dropped 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->52 54 Moves itself to temp directory 23->54 56 Tries to steal Mail credentials (via file access) 23->56 file9 signatures10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d1b05a16a7f955432a7866f46ac2e32ed6ba21431e190d15fa46121f8ed2d46e/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 05:29:08 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2gyfufvh7fkugktym32gvqxdf3lluikddymq2fp2iyjb7dws2rxa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1382fdb29bab4fdfecdead8eb5d85d022a16d4f0286513b226745d890a3f47f4
AgentTesla
238bdecceff568c7d9d8e80e466cb9ba2df600bd47e24e4c69b75cbe7104bf18
AgentTesla
2e0e3218280e31876a4a2c9ea5fd0227aacd4d4e1a5aaa4969102637b70a9d00
AgentTesla
642f3ac7ce246c87fed41bc3952ed2086187587f34a5b27270ac3c1ffca8aff3
AgentTesla
70b1ba0ece1eaa61f8946de73d8528caff86b5255ba2fe05e15f5b507db5c8fc
AgentTesla
7378a7b4d53f27fa8822570f11ad5a956cbc86528a0f916c9fb02999c159b610
AgentTesla
8798f7eff5706576e632ad4623f1424da7c1d90794a42768920ae96f4a5ac8fa
AgentTesla
887b8c631973cc6f3007d8ac0e45d1a198999d131877dfcf2736fde9c2499401
AgentTesla
92937f7868601189fc7a3c51f7de21a1a16d92d2ec823cc6faf69cebc8939376
AgentTesla
a9ac29268868bb938b4dce7f1f692a7bace14a1434570bcc553c3b6ad35713f1
AgentTesla
+ 10'521 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/200729-a4rg4brpxj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/d1b05a16a7f955432a7866f46ac2e32ed6ba21431e190d15fa46121f8ed2d46e

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

zip 80d87e4eed8e3bc297b535a44c7d4e5084309d7fb818548c90cba8364211c668

AgentTesla

Executable exe d1b05a16a7f955432a7866f46ac2e32ed6ba21431e190d15fa46121f8ed2d46e

(this sample)

  
Dropped by
MD5 cbc8f4e622f21c6be512e39a983b3b2c
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34136/
  
Dropped by
SHA256 80d87e4eed8e3bc297b535a44c7d4e5084309d7fb818548c90cba8364211c668

Comments