MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e38221d0c30adfaf57d9059494105c09264d31aa5f8ee3daa5658dab9d895f35. 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: e38221d0c30adfaf57d9059494105c09264d31aa5f8ee3daa5658dab9d895f35
SHA3-384 hash: a0db5484560b2a2b2e83b65c341cd51e1f0ab1cd9a1ce7feba62d6ec1c084718aae8bb36c105b8627d4ecfbcbc9e2c77
SHA1 hash: 3e25f4b76246fffa818c31a0e2eb709c7653f5d9
MD5 hash: 41239bc8a92af28bafbd7ed90df822a4
humanhash: cold-solar-blue-neptune
File name:GkJBJW8IzECCe9L.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:667'648 bytes
First seen:2020-08-10 09:29:18 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:GPtNxLfTUdMKSlRMEqx5Xmcvblva/b5BFTHmO+zXwJ:G3xjTU9SwE2Wibla/LFLmO4Xw
Threatray 11'084 similar samples on MalwareBazaar
TLSH F1E47C1C9C6C0D2ADE1517B78118A91E22A9AC167BF1E5DF7FC7314743B9BE083B0269
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
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/416650
Signature
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 260717 Sample: GkJBJW8IzECCe9L.exe Startdate: 10/08/2020 Architecture: WINDOWS Score: 100 29 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->29 31 Sigma detected: Scheduled temp file as task from temp location 2->31 33 Yara detected AgentTesla 2->33 35 5 other signatures 2->35 7 GkJBJW8IzECCe9L.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\dBtmnAfrwVSC.exe, PE32 7->19 dropped 21 C:\Users\...\dBtmnAfrwVSC.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\Temp\tmp505.tmp, XML 7->23 dropped 25 C:\Users\user\...behaviorgraphkJBJW8IzECCe9L.exe.log, ASCII 7->25 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 41 Injects a PE file into a foreign processes 7->41 11 GkJBJW8IzECCe9L.exe 15 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 gsmtp.me 185.36.81.151, 21, 49747, 49748 TELE-ASTeleAsiaLimitedHK Lithuania 11->27 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 2 other signatures 11->49 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e38221d0c30adfaf57d9059494105c09264d31aa5f8ee3daa5658dab9d895f35/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-10 09:31:10 UTC
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4obcdugdblp26v6zawkjiec4bete2mnkl6hohwvfmwg2xhmjl42q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0124b786b935338806de1b700a37f85d533ed6c94fbe122b7f85bc5f7e9cd3e5
AgentTesla
267a57ec138313289b2e4fae9a87f2f8b38706e9acb379905239e140bad0e24d
AgentTesla
34e851e30200d924177f7d916452342a87df1388830625bd3e43510ce4136af5
AgentTesla
5b4fbcacc1b3bc337a2c67318ff72d21f2c286c00472a8cb3c49bb0d19c2507a
AgentTesla
5ca31895fba7436535346a9d1a5cc9c152915f1101eaf80ba7fe4d8acc8f115c
AgentTesla
6b574d15c00a4b1c9da4991da69f6ca20f086b65373abf462e8a252f18daf3f7
AgentTesla
786e5ea538d875c628433d6cf45abd9559ede017b01b3fca8eb3bfc6dbc66f12
AgentTesla
926e4cc83f26d59f2af152508ead9014b678c30a8024dd1182bde49feb158fc3
AgentTesla
a70bba83ae2d498368562988a73c7a24018d6e81235b7282146607f0e20a89c3
AgentTesla
aa57d2921a5e0434db26e1103f5d72605d4b54f29b23c9d54a08695551ee9d2a
AgentTesla
+ 11'074 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200810-641dn53fks/
Behaviour
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
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:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e38221d0c30adfaf57d9059494105c09264d31aa5f8ee3daa5658dab9d895f35

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.

Cape
Cape
https://www.capesandbox.com/analysis/42605/

Comments