MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4415d19e0b69bdccf79c937db6fe491c4875367cc3ad808b233fa606c708c18b. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4415d19e0b69bdccf79c937db6fe491c4875367cc3ad808b233fa606c708c18b
SHA3-384 hash: 4af838c7b38280d04dfe0fb20df8a301b228911b328bfb4e6856aabb33bb90700ba39c98ca3332f0db86ecedb83dad71
SHA1 hash: 6bb4124f781efdbd906b88a87cef5d999dfd46ba
MD5 hash: 229140fb35f06ec6ba52883474691866
humanhash: august-neptune-batman-echo
File name:SOA_payment_balance.doc.gz.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:600'064 bytes
First seen:2020-11-26 07:07:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Tinb4JO3ZrN2iNZmda0mrpBAwxzZh2fxrNHNxlD/PvIfKt8LF:ob4JO39N1jms1rpBAEz3Ix5txlDnvIu8
Threatray 10'950 similar samples on MalwareBazaar
TLSH 05D4013221E2AE8ADBBD4FF2E55226401FB93D979920D61C7CCD15DE1271B189A10FB3
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/547823
Signature
.NET source code contains potential unpacker
Contains functionality to register a low level keyboard hook
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
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: 323014 Sample: SOA_payment_balance.doc.gz.exe Startdate: 26/11/2020 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 7 other signatures 2->37 7 SOA_payment_balance.doc.gz.exe 6 2->7         started        process3 file4 23 C:\Users\user\AppData\Roaming\rlSeAhW.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmpCA93.tmp, XML 7->25 dropped 27 C:\...\SOA_payment_balance.doc.gz.exe.log, ASCII 7->27 dropped 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 41 Contains functionality to register a low level keyboard hook 7->41 43 Injects a PE file into a foreign processes 7->43 11 SOA_payment_balance.doc.gz.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        17 SOA_payment_balance.doc.gz.exe 7->17         started        19 SOA_payment_balance.doc.gz.exe 7->19         started        signatures5 process6 dnsIp7 29 us2.smtp.mailhostbox.com 208.91.198.143, 49767, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->29 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 2 other signatures 11->51 21 conhost.exe 15->21         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4415d19e0b69bdccf79c937db6fe491c4875367cc3ad808b233fa606c708c18b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-11-26 03:09:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iqk5dhqlng64z544sn63n7sjdrehknt4yowybczdh6tanryiygfq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
3bf2467d7e7031b0af1fccfbc9d67fc29b572aaa64b1df6a77eed00cee768a04
AgentTesla
464be33bec927be20a7a20445cf668ccb3ec05e76695ce7980b5e6841a02c0f6
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663bda7b869cefa47acc50bdba83a5fba3637ac2e26a113d3a6dff62595b7860
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7a68b68dbc26cebe34fe472b9dc79c1bd76c6b1ff7a4d404d75e5f02c6254865
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ae6c488302c04f00a60835db6b955fb8e1eb42f0e73e71873f5b7dc630596755
AgentTesla
bc83749e54465e28ddd8d7d615088989b9c17ab971969c536cef06f94887d51a
AgentTesla
c94d487888c8ca1365ca24c759333f11589c4a744f5174292c961bba808ee7a1
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d5151bd37aa74ce1a5782e72bf26630f2df07f1e7cbeb42f45aa2f49645c35a8
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e13107c64261638ea91a7c3df4d1eec7153e1eab218b10fd027ddb0f52b95418
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eda8f8050e6734ff91e0c51870b8d02977546fae360385c9c398c95d9fee6be0
AgentTesla
+ 10'940 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201126-zdy37y5gl6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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 local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
d4b005a462bbeaeb5122173cdc669c884cbaba6fe2a67063e4b1c37255beedb5
MD5 hash:
d58d37ecd0d0c794545d0b579b02dc02
SHA1 hash:
87ba0ea8c5684d2bf59726ca4f01106c3363afe3
Detections:
win_agent_tesla_w1
Create hunting rule
Link:
https://www.unpac.me/results/c2c9450b-2c0c-4b47-853e-e0bbd01bc8d6/
Parent samples :
663bda7b869cefa47acc50bdba83a5fba3637ac2e26a113d3a6dff62595b7860
7a68b68dbc26cebe34fe472b9dc79c1bd76c6b1ff7a4d404d75e5f02c6254865
4415d19e0b69bdccf79c937db6fe491c4875367cc3ad808b233fa606c708c18b
SH256 hash:
cb951f1d2b5460456aad0d89cef1216d9be5e51784d11a92447d43e96177bd5e
MD5 hash:
8cd5d2014866f4ef60802ff1826998a6
SHA1 hash:
8ff75946905d0b117080cc5a07e6e0bbea4e9bbd
Link:
https://www.unpac.me/results/c2c9450b-2c0c-4b47-853e-e0bbd01bc8d6/
SH256 hash:
4be7da1854b2bfabcce73d4cb6862a661b0c0ab0e51862bebc9d9395581c2658
MD5 hash:
b2bcc3c20eca519542858194fabdbca3
SHA1 hash:
960f8425e187c6cc4514746751cb9c3c36c3c5da
Link:
https://www.unpac.me/results/c2c9450b-2c0c-4b47-853e-e0bbd01bc8d6/
SH256 hash:
4415d19e0b69bdccf79c937db6fe491c4875367cc3ad808b233fa606c708c18b
MD5 hash:
229140fb35f06ec6ba52883474691866
SHA1 hash:
6bb4124f781efdbd906b88a87cef5d999dfd46ba
Link:
https://www.unpac.me/results/c2c9450b-2c0c-4b47-853e-e0bbd01bc8d6/
Please note that we are no longer able to provide a coverage score for Virus Total.

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_extracted_bin
Create hunting rule
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Create hunting rule
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:agent_tesla_2019
Create hunting rule
Author:jeFF0Falltrades
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

gz 35b586adfd3a1223e6e6bf5301a63e66fff0b283170a1dc28432d55ccae36ec7

AgentTesla

Executable exe 4415d19e0b69bdccf79c937db6fe491c4875367cc3ad808b233fa606c708c18b

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 35b586adfd3a1223e6e6bf5301a63e66fff0b283170a1dc28432d55ccae36ec7
Cape
Cape
https://www.capesandbox.com/analysis/105612/

Comments