MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c80e78dd2df6f05af56219b53cee120b49ace758bc47bbca1b45d3e3ec528ae3. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c80e78dd2df6f05af56219b53cee120b49ace758bc47bbca1b45d3e3ec528ae3
SHA3-384 hash: 8cc274a0182fdd5462faa0c928eccc232e4848ce5f790d57d9700813e0f5a772135984d5c07e49f33e30c422dc4836d1
SHA1 hash: c8d8a24bb2300bf2d0d77058ebb9f0a991052516
MD5 hash: f0075015354bf8845640944568953100
humanhash: batman-virginia-spaghetti-river
File name:Mediform SA Order 05082020.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:518'144 bytes
First seen:2020-08-05 17:41:19 UTC
Last seen:2020-08-05 18:42:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:l8CQIc/ngrpiAi0MIv7Bet6GeujZx36w8t5EPNeQm:7c/gQAlDaRe8Z4w8t5EPQQm
Threatray 114 similar samples on MalwareBazaar
TLSH F5B4019423ADAB26E8FC5FF8419D318153B83E27FE66F3585DC270F522327909160A97
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hshgroups.co
Sending IP: 104.168.166.26
From: Mediform S.A<mediform.s.a@hotmail.com>
Subject: Re:Fw: Request For New Inquiry RFQ
Attachment: Mediform SA Order 05082020.rar (contains "Mediform SA Order 05082020.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Generic.mg.f0075015354bf884.4518.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Moving of the original file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/411756
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 258170 Sample: Mediform SA  Order 05082020.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Yara detected AgentTesla 2->43 45 Yara detected AntiVM_3 2->45 47 5 other signatures 2->47 6 TVkxXD.exe 3 2->6         started        9 Mediform SA  Order 05082020.exe 3 2->9         started        12 TVkxXD.exe 2 2->12         started        process3 file4 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->49 51 Machine Learning detection for dropped file 6->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->53 55 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 6->55 14 TVkxXD.exe 4 6->14         started        31 C:\...\Mediform SA  Order 05082020.exe.log, ASCII 9->31 dropped 57 Injects a PE file into a foreign processes 9->57 18 Mediform SA  Order 05082020.exe 2 7 9->18         started        21 Mediform SA  Order 05082020.exe 9->21         started        23 TVkxXD.exe 12->23         started        25 TVkxXD.exe 12->25         started        signatures5 process6 dnsIp7 33 192.168.2.1 unknown unknown 14->33 35 smtp.yandex.com 14->35 59 Tries to harvest and steal ftp login credentials 14->59 61 Tries to harvest and steal browser information (history, passwords, etc) 14->61 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->63 37 smtp.yandex.ru 77.88.21.158, 49742, 49744, 587 YANDEXRU Russian Federation 18->37 39 smtp.yandex.com 18->39 27 C:\Users\user\AppData\Roaming\...\TVkxXD.exe, PE32 18->27 dropped 29 C:\Users\user\...\TVkxXD.exe:Zone.Identifier, ASCII 18->29 dropped 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->65 67 Moves itself to temp directory 18->67 69 Tries to steal Mail credentials (via file access) 18->69 71 Installs a global keyboard hook 18->71 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c80e78dd2df6f05af56219b53cee120b49ace758bc47bbca1b45d3e3ec528ae3/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-08-05 17:43:06 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zahhrxjn63yfv5lcdg2tz3qsbne2zz2yxrd3xsq3ixj6h3csrlrq._file
Verdict:
unknown
Similar samples:
30ca35fc400a2f7fcfc2a05cd603f6972349d7da6a42bc492563670af3d2ecb8
AgentTesla
4247dd682459141f1839b1a42a9f851e40f55bbbc7c3cebfa4fe9874da2319c7
AgentTesla
4dfd74b73578547b8baca26773e501c1e21b3e57b8a6a7a8ac204e63d2eb8459
AgentTesla
61358417b17934b4908ea8bf1c8c58c7d64f6d899159e7ffb91406029d62b83a
AgentTesla
75e41eb7b9f88a279e41be0944ebe10df52c768f5b4992597d693fe58d96f4f1
AgentTesla
7d5613b39d0a6e9022304e17d360d351b04fadd2cebb8e24ae203bd8eba32196
AgentTesla
a1f25cc2116efd8dab8b7865597f22571937f38c8fa06279b45c3ddfbf6df5b7
AgentTesla
a7fe126b01ab7f612af3aae23f1f45bf607f10d4956d7d0b75fe6cd6ac4c4b93
AgentTesla
bf0b665a0ce42c70bc73bd8634339da01d819e8e973ed775b53b612dd9ead1b8
AgentTesla
c1a8d05e6b798ccd18334ab7461cc276bdc3603f35d3186b90bfcb9597ada240
AgentTesla
+ 104 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/200805-vwxsapa616/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads data files stored by FTP 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:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c80e78dd2df6f05af56219b53cee120b49ace758bc47bbca1b45d3e3ec528ae3

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 0573337357db157d7fef16761b44ee3b1cf438cf00768d783b351be90426a759

AgentTesla

Executable exe c80e78dd2df6f05af56219b53cee120b49ace758bc47bbca1b45d3e3ec528ae3

(this sample)

  
Dropped by
MD5 4439ac7a262a5d22356a1dd1cdfcd008
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/39888/
  
Dropped by
SHA256 0573337357db157d7fef16761b44ee3b1cf438cf00768d783b351be90426a759

Comments