MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83497e0090f1d2ee05ec4a24b60def09707801d0cd25f5a76ade33ae943ca4bd. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83497e0090f1d2ee05ec4a24b60def09707801d0cd25f5a76ade33ae943ca4bd
SHA3-384 hash: 50a7a7ea3c05ddef54df544543824da105b7897dec2fb4d1d2938371b1136f728fb500f1b6673cfc6c68626a72d4c8c1
SHA1 hash: 8755eab25945de4d7139104e4565da3a06c6123f
MD5 hash: fa06a33f88d556513c868f2e7c84243e
humanhash: utah-ten-india-neptune
File name:Quotation.Ref#78665.Scan.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:544'768 bytes
First seen:2020-06-02 12:28:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:mnLsy4LNgN+P++QWzoSUD6JU0L+vwwS4ZmTfv3:mAfNgN+mhW7i6JPLv
Threatray 10'719 similar samples on MalwareBazaar
TLSH E7C4AD9C722172EFC857C472DEA91CA8EB50747B931F4113A02766AE9E4D887CF251F2
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
64
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Boilod
Create hunting rule
Status:
Malicious
First seen:
2020-06-02 09:58:12 UTC
AV detection:
18 of 31 (58.06%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qnex4aeq6hjo4bpmjislmdppbfyhqaoqzus7lj3k3yz25fb4us6q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0060732dcb2f0ca7f2e8866f569ae58536aa8615a612c0f0f9fa9818e49a2a4b
AgentTesla
224ab722b0f40b718c2cdb257231bb871b90a2d7181637a8d1558166b7d49c6e
AgentTesla
28e39a753f7723de8723f5b5fe26b57b18342c869a8a8e86e138728d343d6b79
AgentTesla
4fcd02a6297337de81372258e0fd7d3bce08fabbd0fa91b64a3109e2e1a1ea9f
AgentTesla
5c336599791ce2459fd0fbb6e6acb618be490f62b4136f476d108c59b383e79e
AgentTesla
737b50d6793ba9b65cd9c2a6a5c797776553c4e2af33a17e171de9934929e11c
AgentTesla
875391a0ae1d2f10f9c04e39aaed8c558acf0fbad7b220d18489d25aac97ff85
AgentTesla
8e25b6df9458100758e0656d3529e0edf64e4bab339e7be71145304477ed9bbf
AgentTesla
bb24562d964cb818be7cc6fb66430dbeb5d0b9c066fbc91a8a7f2abf7169eb6a
AgentTesla
f21d472a74c33a35138111341a52a7dd85dc6131c788fa79dfc17537626dc12b
AgentTesla
+ 10'709 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-mtsevgcm2x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
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
rezer0
AgentTesla
CoreEntity .NET Packer
Please note that we are no longer able to provide a coverage score for Virus Total.

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 91268132770bf3f35245e413287d977702770b051dcb4168fb3cad8c005c39d7

AgentTesla

Executable exe 83497e0090f1d2ee05ec4a24b60def09707801d0cd25f5a76ade33ae943ca4bd

(this sample)

  
Dropped by
MD5 dbfbf90135239117abe06ac6931d9baa
  
Dropped by
SHA256 91268132770bf3f35245e413287d977702770b051dcb4168fb3cad8c005c39d7
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments