MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae98cbea751b110688b554259e94536ad47799d68af23f5c499f0021c09861b0. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ae98cbea751b110688b554259e94536ad47799d68af23f5c499f0021c09861b0
SHA3-384 hash: e58f341514db19a97a611dd4475c72cea5b51ca5f2606f7ebce7e9961ffcad855efd300690967b2b4a99cc370fa990b3
SHA1 hash: fe1bef4b53ffedd007e9fe294c63f3d4f535e88b
MD5 hash: 3b82ec5db945c6ec405ccc6bd6079e6a
humanhash: jupiter-magazine-winter-low
File name:purchase order (2).exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:729'600 bytes
First seen:2020-09-24 11:09:59 UTC
Last seen:2020-09-24 14:26:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:p6udAV8HAFm++rHsI19PJ+arP9wJNyowhUr/RQRTqaACB+x77IJfi3H:yGAFmRrHsQ9IkP9k/wsCB+xos
Threatray 10'617 similar samples on MalwareBazaar
TLSH B4F4E00032E63F09D5A88BB80258B5B2C3B655617761C7947F8722FD9AF27D03D25B8B
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/65320/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.42595.1497.28985.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.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/474189
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 289540 Sample: purchase order (2).exe Startdate: 24/09/2020 Architecture: WINDOWS Score: 100 63 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->63 65 Found malware configuration 2->65 67 Antivirus detection for dropped file 2->67 69 13 other signatures 2->69 8 gKWBf.exe 5 2->8         started        11 purchase order (2).exe 6 2->11         started        14 gKWBf.exe 4 2->14         started        process3 file4 83 Antivirus detection for dropped file 8->83 85 Multi AV Scanner detection for dropped file 8->85 87 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->87 91 2 other signatures 8->91 16 gKWBf.exe 8->16         started        21 schtasks.exe 1 8->21         started        51 C:\Users\user\AppData\Roaming\YKtXZOWu.exe, PE32 11->51 dropped 53 C:\Users\user\AppData\Local\...\tmp3E7F.tmp, XML 11->53 dropped 55 C:\Users\user\...\purchase order (2).exe.log, ASCII 11->55 dropped 89 Injects a PE file into a foreign processes 11->89 23 purchase order (2).exe 2 5 11->23         started        25 schtasks.exe 1 11->25         started        27 schtasks.exe 14->27         started        29 gKWBf.exe 14->29         started        signatures5 process6 dnsIp7 57 mail.yitaipackaging.com 16->57 45 C:\Windows\System32\drivers\etc\hosts, ASCII 16->45 dropped 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->71 73 Tries to steal Mail credentials (via file access) 16->73 75 Tries to harvest and steal ftp login credentials 16->75 77 Tries to harvest and steal browser information (history, passwords, etc) 16->77 31 reg.exe 16->31         started        33 conhost.exe 21->33         started        59 yitaipackaging.com 35.213.167.237, 49734, 49738, 587 GOOGLEUS United States 23->59 61 mail.yitaipackaging.com 23->61 47 C:\Users\user\AppData\Roaming\...\gKWBf.exe, PE32 23->47 dropped 49 C:\Users\user\...\gKWBf.exe:Zone.Identifier, ASCII 23->49 dropped 79 Modifies the hosts file 23->79 81 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->81 35 reg.exe 23->35         started        37 conhost.exe 25->37         started        39 conhost.exe 27->39         started        file8 signatures9 process10 process11 41 conhost.exe 31->41         started        43 conhost.exe 35->43         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ae98cbea751b110688b554259e94536ad47799d68af23f5c499f0021c09861b0/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-09-24 02:57:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=v2mmx2tvdmiqncfvkqsz5fctnlkhpgowrlzd6xcjt4acdqeymgya._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
081dc7af98fe601e09d81a4698f0df119ac612be1984f1d365b4cd9c21f550a1
AgentTesla
1e41a4bc1146c02cf7e2e5f2a040ad3835f4852b675bfef98eeaed0c16d8bee3
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285921447b7223c6f6c6419c9ddfa5d26619286089de7cefa3255aa5f6c3bd51
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43af6ba4b7f666fe6a4ea1ef96142ed84a709d1e41bbd88c531882d88401899d
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683363107924a8ad11a40a756236eb3462252e6325aed4f550fb29a364619be1
AgentTesla
69fd7fce357ff849a34d669c808cd75adbd9bdbe8999bc035d353a7f235c6169
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aa556dde1f62e5e897bf5db6980f8202febe626f2e9840190f1f2695eec3c065
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ad7db1393e62d89dcb0039aa5ba64a897e88d3f6b76d146ccf419e952e57c317
AgentTesla
c8564d7442516aff130813091fdb261c4e77bbc019a4f8adce1cbad02f6b3b5d
AgentTesla
f458911cad980b38b8c73ec5b8755b9b5d0d1ff6906ed78da4d5f6ec79b5acf8
AgentTesla
+ 10'607 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/200924-j5cq3xyvk2/
Behaviour
Creates scheduled task(s)
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
ae98cbea751b110688b554259e94536ad47799d68af23f5c499f0021c09861b0
MD5 hash:
3b82ec5db945c6ec405ccc6bd6079e6a
SHA1 hash:
fe1bef4b53ffedd007e9fe294c63f3d4f535e88b
Link:
https://www.unpac.me/results/967154ed-0e3d-4d7c-99e0-736f9e027c48/
SH256 hash:
aa7f350517dba9d3d4b39cd8f24ebb4c00d7d8876cafb85dbaa769c93b64839a
MD5 hash:
e11925d3bd86aa95377a5c8b14d26e54
SHA1 hash:
9e4e9d2a069519adf93abe93dcc49da004bb2064
Link:
https://www.unpac.me/results/967154ed-0e3d-4d7c-99e0-736f9e027c48/
SH256 hash:
729a1b125fb330463c22a87c061e384300f49bd9d6793836bb3e52bcb61cc03f
MD5 hash:
ac3f427e66b28b013b0b651c2f71d1e9
SHA1 hash:
ddf8b4b1d36aced75740632b41d30add06b5db3d
Link:
https://www.unpac.me/results/967154ed-0e3d-4d7c-99e0-736f9e027c48/
SH256 hash:
081dc7af98fe601e09d81a4698f0df119ac612be1984f1d365b4cd9c21f550a1
MD5 hash:
b93b3060e307336a9ebfc45611ced91d
SHA1 hash:
f448f6ae0f2d239dcdcbdf091b5bf33badea539d
Detections:
win_agent_tesla_w1
Create hunting rule
Link:
https://www.unpac.me/results/967154ed-0e3d-4d7c-99e0-736f9e027c48/
Parent samples :
dd48b3a67ab61431928bff75ec0dd6a64bae646306b68109ef6e02afbf2e4d46
ae98cbea751b110688b554259e94536ad47799d68af23f5c499f0021c09861b0
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/ae98cbea751b110688b554259e94536ad47799d68af23f5c499f0021c09861b0

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 f3fb785e98809c6c4ea0ca8cb576c0603edfda221ba32a9dedb46cb91c663fd4

AgentTesla

Executable exe ae98cbea751b110688b554259e94536ad47799d68af23f5c499f0021c09861b0

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 f3fb785e98809c6c4ea0ca8cb576c0603edfda221ba32a9dedb46cb91c663fd4
Cape
Cape
https://www.capesandbox.com/analysis/65320/

Comments