MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f763baefda7746ada3d491886010d60c12957789b16aac0f61d0fc130e118dd. 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: 8f763baefda7746ada3d491886010d60c12957789b16aac0f61d0fc130e118dd
SHA3-384 hash: 74e77d883ed9bff82aa6f1f78095648ccddba8c15a74e6618971175422a89de1a53f1a53d5f1ab1229acfa9c289c4c81
SHA1 hash: 5b0f11009df756a0de1798c0085c82341ce3ea1d
MD5 hash: cc80611aee5d635ce59fff7e41ca1f57
humanhash: cola-helium-cardinal-delaware
File name:nr.5265242.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:588'800 bytes
First seen:2020-06-12 08:16:17 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 6144:saUPSG6VEJD6LpnxWTU5mT7X5jNnPUT54vd1jvjPp0:saU56VEt6kOg7X5jyWvrjvDS
Threatray 10'854 similar samples on MalwareBazaar
TLSH 9BC48D36F50208EBCCF901B7441956C0DA721E043E9D8B2F63AA73D8EA3354BBB97559
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.pickelhost.com
Sending IP: 104.168.218.87
From: novia@everbright.com.tw
Reply-To: sales01-micargichina@mail.com
Subject: Aw: Fw: BANK TRANSFER COPY
Attachment: nr.52652478.img (contains "nr.5265242.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/9989/
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-12 08:18:09 UTC
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r53dxlx5u52gvwr5jemimainmdassv3ytmlkvqhwduh4cmhbddoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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31d3e1419943af609a9e249bfe29ce8cd835299d1c1eafa0dcd1d59385f0e1ec
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4c26d9cbfa013795a0f2449f5a8c5bf3c880d4292d6ee2218f7a0520aff6b1ac
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59d75c05fe35e405f049e39bd5e3d86d7aaa03eff0f47ab8153c49849840205f
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6c6cb102742a7fb0df8560d9a3a66dd7f3d5904347b68b7a7a8762a96b4274e3
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76f3a761f1f6078dac5957bbd5c005499f97b77756c793fcfc2ec3ec9c6fa9f3
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86d09ed8f498dcde8b62c8c63c5bcab3928341dfb26752655be16bdeeead8397
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95c93aceae03da91a38a1e26449254aac2aa113ac5f0362edd0e09a8d4d1e442
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bb836ba9f7e9ec5c1d5e16132ef106ea8c89f160a12538af3e02704edabcfb4c
AgentTesla
+ 10'844 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla agilenet keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-d8bwn7p9hx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla Payload
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

img 75362b146e821988d829be90b2a1d71984b98838bb67195274d3314b0ed29b5e

AgentTesla

Executable exe 8f763baefda7746ada3d491886010d60c12957789b16aac0f61d0fc130e118dd

(this sample)

  
Dropped by
MD5 6220ef5efd10831cda56ad783eeb8fe7
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 75362b146e821988d829be90b2a1d71984b98838bb67195274d3314b0ed29b5e
Cape
Cape
https://www.capesandbox.com/analysis/9989/

Comments