MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33604d4a3c31c9a93c138a1c9de3152b35b3a81c57bf784e6685e17701e5c25d. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 33604d4a3c31c9a93c138a1c9de3152b35b3a81c57bf784e6685e17701e5c25d
SHA3-384 hash: 6a7f35c46b7a58fc96dfa1a9cbc0783490329da7b7764b8bb4d1be7d30969ee161bf3d3b5ed611eea90c52bf946ff310
SHA1 hash: edd9a66203533bf046e2b4df1c00878049214b8f
MD5 hash: 18697f2af9c34770269986347b5ee11d
humanhash: echo-wolfram-vermont-autumn
File name:APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:502'272 bytes
First seen:2020-08-17 14:01:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:eV4EcmZHAFaxmVmie9bngPlNsMVqFVsLvoL+INPCLVBb2QkMtnxGBxl6PiqvJ:44EcmZHAFaxmVmie9bngPrs/FVMvoL9A
Threatray 10'528 similar samples on MalwareBazaar
TLSH 3CB48C4A38D0A3DED1E58FB958149C1627FE2F1A461A990FCC6B39E373D9BC1BD20446
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: www4.almsoft.net
Sending IP: 193.239.194.10
From: DHL BoE & Duty Info <support@dhl.com>
Subject: BOE:AWB 8492081651 – Clearance Documents
Attachment: APC_abc2aaa8_8492081651__PDF____________________________________________________________________6474 (contains "APC_abc2aaa8_8492081651__PDF____________________________________________________________________647464.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/47082/
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/433699
Signature
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 dnsIp2 2 Behavior Graph ID: 269233 Sample: __647464.exe Startdate: 17/08/2020 Architecture: WINDOWS Score: 100 53 SMTP.epaindemgroup.com 2->53 55 us2.smtp.mailhostbox.com 2->55 65 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->65 67 Found malware configuration 2->67 69 Sigma detected: Scheduled temp file as task from temp location 2->69 71 6 other signatures 2->71 8 __647464.exe 7 2->8         started        12 eISwg.exe 5 2->12         started        14 eISwg.exe 4 2->14         started        signatures3 process4 file5 41 C:\Users\user\AppData\...\rWddikOEarg.exe, PE32 8->41 dropped 43 C:\Users\...\rWddikOEarg.exe:Zone.Identifier, ASCII 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmpDE40.tmp, XML 8->45 dropped 47 C:\Users\user\AppData\...\__647464.exe.log, ASCII 8->47 dropped 73 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->73 75 Injects a PE file into a foreign processes 8->75 16 __647464.exe 2 5 8->16         started        21 schtasks.exe 1 8->21         started        77 Machine Learning detection for dropped file 12->77 23 schtasks.exe 1 12->23         started        25 eISwg.exe 2 12->25         started        27 schtasks.exe 14->27         started        29 eISwg.exe 14->29         started        signatures6 process7 dnsIp8 49 SMTP.epaindemgroup.com 16->49 51 us2.smtp.mailhostbox.com 208.91.199.225, 49749, 587 PUBLIC-DOMAIN-REGISTRYUS United States 16->51 37 C:\Users\user\AppData\Roaming\...\eISwg.exe, PE32 16->37 dropped 39 C:\Users\user\...\eISwg.exe:Zone.Identifier, ASCII 16->39 dropped 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->57 59 Tries to steal Mail credentials (via file access) 16->59 61 Tries to harvest and steal ftp login credentials 16->61 63 3 other signatures 16->63 31 conhost.exe 21->31         started        33 conhost.exe 23->33         started        35 conhost.exe 27->35         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/33604d4a3c31c9a93c138a1c9de3152b35b3a81c57bf784e6685e17701e5c25d/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2020-08-17 07:41:45 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gnqe2sr4ghe2spatrioj3yyvfm23hka4k67xqttgqxqxoapfyjoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
18b361d4c6546def2b2023997b8b0f425f8c1f4f393b94550abebdf69dc2f6e2
AgentTesla
34835ff5a99d333a86d2fe7770cf4ab6612b1385d7d69d99272e96f084527237
AgentTesla
43289bb160c005728b4dc1d8cd723356f1e7d2e5ba90bea7d28c3334224939c0
AgentTesla
67f95900e94aed84cb50b3597df4b89270faa3b23ff0c9c6eb2398eb69c096bb
AgentTesla
860a68354fad849f4d5886f00c701638d1226088d4ca26c07216d089f986a7bb
AgentTesla
a20df8c992413eb34262d572f57d37c34dcdaab0fca4725dfd1a910f249f46a2
AgentTesla
a91926c898c91c02d44556c60d2ed4289fcdde2e2a03c0fdcc003678aa5d767c
AgentTesla
b71b1e0152b7112c6ad660c51751d19bf245fb7739c605c9389909fa4c721d06
AgentTesla
c232e05f633d3e2bd0a1486a955d7f72eb9155408a635666306d922b333809b2
AgentTesla
ccac5881ca9beeead13f5c7f05b289e9d3013a9eea7ce8a087dcb0aade9a60e2
AgentTesla
+ 10'518 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla persistence
Link:
https://tria.ge/reports/200817-4c376ffeyj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
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
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/33604d4a3c31c9a93c138a1c9de3152b35b3a81c57bf784e6685e17701e5c25d

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 fba1f5e8c043e9b6526a8bdb412724134fc233c2c0afa3baa6b37a9cbd179836

AgentTesla

Executable exe 33604d4a3c31c9a93c138a1c9de3152b35b3a81c57bf784e6685e17701e5c25d

(this sample)

  
Dropped by
MD5 c6429610c6c0c9c6f9e2be055dfa12ac
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/47082/
  
Dropped by
SHA256 fba1f5e8c043e9b6526a8bdb412724134fc233c2c0afa3baa6b37a9cbd179836

Comments