MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c528af796bebc6d61cb8cc2b54581243accd86255dfe5a96d05296f5acabcf19. 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: c528af796bebc6d61cb8cc2b54581243accd86255dfe5a96d05296f5acabcf19
SHA3-384 hash: 30bb5393939578b51e1bb66283cafdd55564757ca55b676646925672ec5ae52556e4b482a90493d13a6c80a7c1a819de
SHA1 hash: 47b32e1051901bd5197894dcc5cfe03be07448eb
MD5 hash: 610fdb881ab45666652abb5c99fa9651
humanhash: papa-california-pasta-december
File name:SWIFT COPY.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:526'848 bytes
First seen:2020-08-06 06:47:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:Lg2qsnYGDoBJzCGlMILpmKkBUQFH2nNE65UVxhg0szZIXyuQX9YxAj7iCknrvsSI:bqsnzoPzfl/mt1ZPVxwz+JTxwhUrvI2
Threatray 10'648 similar samples on MalwareBazaar
TLSH 0EB4F14426888B12DB3C4BFB42A4953943B5DE1E6C22E3A85FC631E70A7DFF44A506D7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

From: accountsmkl@mondol.net
Subject: APOLOGY-DELAY IN PAYMENT
Attachment: SWIFT COPY.r02 (contains "SWIFT COPY.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/40195/
Detection(s):
SecuriteInfo.com.Generic.mg.610fdb881ab45666.4710.UNOFFICIAL
Create hunting rule

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/412331
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
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
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 258417 Sample: SWIFT COPY.exe Startdate: 06/08/2020 Architecture: WINDOWS Score: 100 72 Found malware configuration 2->72 74 Sigma detected: Scheduled temp file as task from temp location 2->74 76 Yara detected AgentTesla 2->76 78 7 other signatures 2->78 7 SWIFT COPY.exe 7 2->7         started        11 YYtJku.exe 4 2->11         started        13 YYtJku.exe 5 2->13         started        process3 file4 46 C:\Users\user\AppData\...WzLRNmxUqdj.exe, PE32 7->46 dropped 48 C:\Users\...WzLRNmxUqdj.exe:Zone.Identifier, ASCII 7->48 dropped 50 C:\Users\user\AppData\Local\...\tmpF43A.tmp, XML 7->50 dropped 52 C:\Users\user\AppData\...\SWIFT COPY.exe.log, ASCII 7->52 dropped 80 Injects a PE file into a foreign processes 7->80 15 SWIFT COPY.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        22 SWIFT COPY.exe 7->22         started        24 SWIFT COPY.exe 7->24         started        26 YYtJku.exe 11->26         started        28 schtasks.exe 11->28         started        82 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->82 84 Machine Learning detection for dropped file 13->84 86 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->86 30 schtasks.exe 13->30         started        32 YYtJku.exe 13->32         started        34 YYtJku.exe 13->34         started        signatures5 process6 dnsIp7 54 consolprinting.com 198.136.48.146, 49748, 49751, 587 DIMENOCUS United States 15->54 56 mail.consolprinting.com 15->56 42 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 15->42 dropped 44 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 15->44 dropped 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->60 62 Moves itself to temp directory 15->62 64 Tries to steal Mail credentials (via file access) 15->64 36 conhost.exe 20->36         started        58 mail.consolprinting.com 26->58 66 Tries to harvest and steal ftp login credentials 26->66 68 Tries to harvest and steal browser information (history, passwords, etc) 26->68 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->70 38 conhost.exe 28->38         started        40 conhost.exe 30->40         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c528af796bebc6d61cb8cc2b54581243accd86255dfe5a96d05296f5acabcf19/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-06 06:49:09 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yuuk66ll5pdnmhfyzqvviwasiowm3brflx7fvfwqkklpllflz4mq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'638 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200806-1nqcd8dsqa/
Behaviour
Suspicious behavior: RenamesItself
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
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:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c528af796bebc6d61cb8cc2b54581243accd86255dfe5a96d05296f5acabcf19

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

r02 8a7ed6d35625b81f358e61c78494df0cab37cb383996f4933d2ef8bbea51a0af

AgentTesla

Executable exe c528af796bebc6d61cb8cc2b54581243accd86255dfe5a96d05296f5acabcf19

(this sample)

  
Dropped by
MD5 6f262c89bbb1c1763c64d03be5b4e213
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/40195/
  
Dropped by
SHA256 8a7ed6d35625b81f358e61c78494df0cab37cb383996f4933d2ef8bbea51a0af

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