MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52a5b10358396169aa44cb5959f68b2cdcfb9473596b2d8a8c5118066d4d9b29. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 52a5b10358396169aa44cb5959f68b2cdcfb9473596b2d8a8c5118066d4d9b29
SHA3-384 hash: 7fe554203a937df31bca0d051b7db50e518735addbe5a5949a79e0e91f082907ed61f4943f8ef9e1aa8baeadda6405bd
SHA1 hash: 3311a012c8290d3eaf851489ceb02a633bd2fdef
MD5 hash: 82fde7e5324aa0000306fbc62820b5d4
humanhash: connecticut-lactose-golf-fruit
File name:Drawings.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:565'760 bytes
First seen:2020-08-31 11:30:20 UTC
Last seen:Never
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:k60ocYhL61Ooygcsbi4GQuYlwHAP7YOTpppp:v0ihEOXmbB3uHAPR
Threatray 9'575 similar samples on MalwareBazaar
TLSH 7BC41321E66D8FB6C8F9CFB4646F38140F394FC684A4E569EA9131C0DAB33507545E8B
Reporter abuse_ch
Tags:AgentTesla exe Hostwinds


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hwsrv-759308.hostwindsdns.com
Sending IP: 104.168.213.29
From: Korol Liu <info@crio.com>
Subject: Request for quotation
Attachment: order0098546.zip (contains "Drawings.exe")

AgentTesla SMTP exfil server:
mail.privateemail.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/53454/
Detection(s):
SecuriteInfo.com.W32.Trojan-7.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/455366
Signature
.NET source code contains potential unpacker
Found malware configuration
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)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, 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: 280059 Sample: Drawings.exe Startdate: 31/08/2020 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 6 other signatures 2->37 7 Drawings.exe 4 2->7         started        process3 file4 23 C:\Users\user\AppData\Roaming\xnHYTN.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmpC1F4.tmp, XML 7->25 dropped 27 C:\Users\user\AppData\...\Drawings.exe.log, ASCII 7->27 dropped 39 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->39 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 45 Injects a PE file into a foreign processes 7->45 11 Drawings.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        17 Drawings.exe 7->17         started        19 2 other processes 7->19 signatures5 process6 dnsIp7 29 mail.privateemail.com 198.54.122.60, 49723, 587 NAMECHEAP-NETUS United States 11->29 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 53 2 other signatures 11->53 21 conhost.exe 15->21         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/52a5b10358396169aa44cb5959f68b2cdcfb9473596b2d8a8c5118066d4d9b29/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-31 03:46:09 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kks3ca2yhfqwtkseznmvt5ulftopxfdtlfvs3cumkemam3kntmuq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1df5bb7918711c70e911c5231544710581b3b6a440d1da6e09bd8160cca5e4b2
AgentTesla
55114bd780868f8b5c0ac827ed3ffa156e09b1949f1d486ffbfd79318ccf1ef4
AgentTesla
a4a7810facb6a01422c96f844bf7a537f4b6968190bc1c1de57810e73caa58ff
AgentTesla
abce854dbb1be834088423c8a911d7111cd6d205b9f6b44be000652860fa03c6
AgentTesla
b5d1d457a00cd4dcb87cb66584613857105c975eb44d98c046f13c57c627934b
AgentTesla
b642527e686b781a602fb322e7d34d0f18748778de42a0e3774d9990a71e2c92
AgentTesla
c4d5fab1e5e40cf0377d5eaca0e427d01fcd61495743ea4290d8745163e84e56
AgentTesla
d4eec3387fde66fc5b45135db86b9fcdebcb75e199fe9be1a834d89cac6b9d13
AgentTesla
e738d23963c1001eb3cc3287fd96bacb4a4f073c665c866bc3cadf39d71350e8
AgentTesla
f0e20dc9aafe9043231c48c4de5c58324c9ed4b1cf1ba479a0fbed7c7f0bbb0f
AgentTesla
+ 9'565 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer evasion spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200831-zvm6mmephe/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
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/52a5b10358396169aa44cb5959f68b2cdcfb9473596b2d8a8c5118066d4d9b29

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 ca154b299e9ab506d7280f76f529ce54e8eff1bec9c9e04bfcf5ed84bad628eb

AgentTesla

Executable exe 52a5b10358396169aa44cb5959f68b2cdcfb9473596b2d8a8c5118066d4d9b29

(this sample)

  
Dropped by
MD5 6594a8defb72d0ee9cb9ec4fc5dbeff0
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/53454/
  
Dropped by
SHA256 ca154b299e9ab506d7280f76f529ce54e8eff1bec9c9e04bfcf5ed84bad628eb

Comments