MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 adb35f04f0e72fdbde5d24f2a590e71fd4424ef5e1ea354ed546eb1c17a1b6d5. 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
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SHA256 hash: adb35f04f0e72fdbde5d24f2a590e71fd4424ef5e1ea354ed546eb1c17a1b6d5
SHA3-384 hash: 99bdff561e807803841ac1f8f62229ff75d3e69e210b93ce23b7218abf6f81f7a8fea31d432a4e89fd41ad3335f860f5
SHA1 hash: 083abb959f90114838d3aa6ae0febcae1d4c093f
MD5 hash: af0023626878967c2291256bcf178786
humanhash: oranges-neptune-high-pluto
File name:I17lNnyN43aerDd.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:830'464 bytes
First seen:2020-08-10 14:07:41 UTC
Last seen:2020-08-10 14:54:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:jjCSfGrn6xifIFzOzAt96Qa6GqCDAF7grpiAmkNwkc0ckjQc:ju5AifIFzOzAtgQXGhD6MQAmlkjB
Threatray 10'638 similar samples on MalwareBazaar
TLSH 5105E4C62B497E8DC7E64331EF2EF9B0D304BE2E03478A799682B15D343A253B5856D1
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/42838/
Detection(s):
SecuriteInfo.com.Trojan.KillProc2.11322.17852.29618.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/417160
Signature
.NET source code contains potential unpacker
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to register a low level keyboard hook
Found malware configuration
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)
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 260979 Sample: I17lNnyN43aerDd.exe Startdate: 10/08/2020 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 Yara detected AgentTesla 2->37 39 6 other signatures 2->39 7 I17lNnyN43aerDd.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\...\URXYAXIOOWrUOt.exe, PE32 7->21 dropped 23 C:\...\URXYAXIOOWrUOt.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\Temp\tmp8F0.tmp, XML 7->25 dropped 27 C:\Users\user\...\I17lNnyN43aerDd.exe.log, ASCII 7->27 dropped 41 Writes to foreign memory regions 7->41 43 Injects a PE file into a foreign processes 7->43 45 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->45 11 RegSvcs.exe 2 7->11         started        15 RegSvcs.exe 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 29 mail.privateemail.com 198.54.122.60, 49732, 587 NAMECHEAP-NETUS United States 11->29 31 192.168.2.1 unknown unknown 11->31 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 59 2 other signatures 11->59 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->55 57 Contains functionality to register a low level keyboard hook 15->57 19 conhost.exe 17->19         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/adb35f04f0e72fdbde5d24f2a590e71fd4424ef5e1ea354ed546eb1c17a1b6d5/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-08-10 12:07:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vwzv6bhq44x5xxs5etzklehhd7keetxv4hvdktwvi3vryf5bw3kq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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76b60f8f63c76af48aa4ae3c21a9f42a76a166e7e311e914d14a22864217b4e3
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a4df7bd8daff5a4723055c7589244e1719c45223f09f42b06a621aad5ee1f2f4
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a7118b5327e01dc08fae4ab228e1ae2920dde4df42232fa8062eaf90066b3f7d
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d3bde5e7173dc7ca602d5e64a09481801a317f4831bfd67d8c8259bb6cd4f59b
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d5df3c06f7bfbbff8ef8e3a5a32eba2afaae23bde6690741717fa437057b7097
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e06678f901a62946c8efbb77629b9af98d52bba1c8c39e509c4ac31081ea3486
AgentTesla
+ 10'628 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200810-nzlf91je4j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of web browsers
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:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/adb35f04f0e72fdbde5d24f2a590e71fd4424ef5e1ea354ed546eb1c17a1b6d5

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/42838/

Comments