MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fac93ed0fd840cedfc559b7f2285ad384004e78fd53178b09bef6b13db08b84. 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: 5fac93ed0fd840cedfc559b7f2285ad384004e78fd53178b09bef6b13db08b84
SHA3-384 hash: f0891fc159d031b6b9f8ba24521f6bbf5f8c34ea1fe6478291790a27224425a2e1b3438eb252a9cb3ded9024084faa4d
SHA1 hash: ca54b0b08a6f994e4594573ca4729cce88be33c9
MD5 hash: bb177815728b49fd39053b643826b5cf
humanhash: steak-oregon-magnesium-king
File name:RFQ86437C.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:826'136 bytes
First seen:2020-08-03 06:56:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 6144:gHAgbCa8sGQToswxU2iHmNgB3tKvQG9z5NO4C5Cy6oNTIKDD1:gHX8kToltiHqgB3tyQGx/OrjlD
Threatray 10'903 similar samples on MalwareBazaar
TLSH 8305F728298EBD05D73FC93854B434C22770A9477BB5CA0F3DC5574D2E6EEAB2632186
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: kumbakarna.iixcp.rumahweb.com
Sending IP: 103.247.9.98
From: order03@ratorhu.xyz
Subject: New orders 1183978-B
Attachment: RFQ86437C.zip (contains "RFQ86437C.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/37397/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Running batch commands
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
57 / 100
Link:
https://www.joesandbox.com/analysis/407307
Signature
.NET source code contains very large array initializations
Creates an autostart registry key pointing to binary in C:\Windows
Injects a PE file into a foreign processes
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: Add file from suspicious location to autostart registry
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5fac93ed0fd840cedfc559b7f2285ad384004e78fd53178b09bef6b13db08b84/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 06:58:15 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=l6wjh3ip3bam5x6flg37ekc22ocaatty7vjrpcyjx33lcpnqroca._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1c0bfa737602981a7ff3b4f96e303f761c2177c5d5852a8692caaeb9721fc8fd
AgentTesla
1e34f97ada50f74298c6960bbd8bcf202d57437cd27c043aa34cfffd9aab5e04
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27b62d379ede892c507bfdb306aa53e47f0e27de0292cd290cc9c9c43640f04f
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298e36ccbf66428cba5cf385f3bb33d4c807aa707ff06d66869e7d584b3e5287
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3da7c55aab706ac053ca313cc24d065983e8eaed5172366e93fdf8b2d644f829
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545f8f702bad5eb4de1b0b4135649ef8056f70ef653d5225097ceeb8b0edaf51
AgentTesla
8d7708415c46c798ebbabab592026d1847c532ec9520f928ba4bc31215a21159
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a46f78f7e28f2091db3e5c505f6c2811397464d6220c52a747cbde491584ca2b
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b58248fcc771ae21b12857d72462c26ae30f3234bd5095986079c7b807791fa6
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dfc4910e2cbf6064263b576560e72e29eb6f758f475d5176c88c7e8f98e00004
AgentTesla
+ 10'893 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Link:
https://tria.ge/reports/200803-37bk8hmzys/
Behaviour
Agenttesla family
AgentTesla Payload
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5fac93ed0fd840cedfc559b7f2285ad384004e78fd53178b09bef6b13db08b84

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 ae0f990ac79ae98e70a050cb2fe298a269f46974d9d6cb33f4138e8f693f309b

AgentTesla

Executable exe 5fac93ed0fd840cedfc559b7f2285ad384004e78fd53178b09bef6b13db08b84

(this sample)

  
Dropped by
MD5 df0b860dd503ecd282fd5238f13ad8d0
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/37397/
  
Dropped by
SHA256 ae0f990ac79ae98e70a050cb2fe298a269f46974d9d6cb33f4138e8f693f309b

Comments