MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3fae3604c2728ada2387f42fc4a5128da931601f39c6e7bee7dd6987ce1e0cf. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3fae3604c2728ada2387f42fc4a5128da931601f39c6e7bee7dd6987ce1e0cf
SHA3-384 hash: f5d2fae037ffbb33e36014beb83860118b056457c0512271e42841406e5e994a09eb7f1d8738efc596b254d44ae5c44e
SHA1 hash: 0a96f3a653ad6b7412f0d7ffb8114b65af367993
MD5 hash: a1ca5b40094d50698e1558eb62c93241
humanhash: ceiling-item-ceiling-kansas
File name:Quotation Request.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:562'688 bytes
First seen:2020-07-08 09:08:26 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 12288:Q/gLye9yjFqveU+BHtCOW5aqEiibV0xO8PzUqbNjVJI7/nMU1Q2:MTU+xBWwqEiY0nrUUZcMU1Q
Threatray 10'641 similar samples on MalwareBazaar
TLSH 72C4BD3532755F82C53A4BF5A81021514FFA296FA93DE26C6EC120DB81B1F548EA1FB3
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/23017/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b3fae3604c2728ada2387f42fc4a5128da931601f39c6e7bee7dd6987ce1e0cf/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-07-07 06:36:20 UTC
AV detection:
24 of 31 (77.42%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wp5ogycme4uk3iryp5bpyssrfdnjgfqb6oog467opxljq7hb4dhq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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48ac5944a6a3597ec9b5b67b27aff785c8b2a9c13d10d2ae327c7d5b0995df17
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5a443b824484b636c9436fd13eafb112d3fad00aafe036fb2004f7c3a12852e8
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98bcac74e8201256485d3fee8e636213cda012f99623424281f700aa5af34624
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a767a3b413dfbbbc5fe2c59ecccfcddeb457f4cc7aff68ef1502b69bb75e46de
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b547891a3f74093e840f47cecafb75940494dd48f449c7c1bbf229ecb38d85c5
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dd1dbd01bac8f1ba75f1279f9684e5f6a706559acaa2db285697c5f5e3258a31
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e1f9e09156ca969a490892994d53114384917b6a7ea25edcd87c06c9249d1f2d
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+ 10'631 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware persistence keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200708-vq1mk58hmn/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Modifies service
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla
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

7z 3515a0f9020685a432863afd441202a2a4bfa46bbbbf3f8a6a8c945ea7df3ebb

AgentTesla

Executable exe b3fae3604c2728ada2387f42fc4a5128da931601f39c6e7bee7dd6987ce1e0cf

(this sample)

  
Dropped by
MD5 e8f460c4a6dc84518a2e14927d9e0111
  
Dropped by
SHA256 3515a0f9020685a432863afd441202a2a4bfa46bbbbf3f8a6a8c945ea7df3ebb
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/23017/

Comments