MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a1996e7954954071c7744530ef5a31a93ee9ff5cce447611f622f88718ab1b4. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a1996e7954954071c7744530ef5a31a93ee9ff5cce447611f622f88718ab1b4
SHA3-384 hash: 6fc82359b037326041237fcd4e4bd0bfe03a8d98caf1a4081803996c5c41a58c617248eac6c787c3101a1dc7de2ea623
SHA1 hash: e802ded7e866a844efefcdfc9fbcae127918c288
MD5 hash: f28446988a5402baf2715fabcd97cca8
humanhash: july-emma-bluebird-ceiling
File name:musky.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:512'000 bytes
First seen:2020-06-10 18:15:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:B2Sv68+6YS0D85+4Q3gqcQL8hMR2I58P9DrQBTcR:B3v68+Lto0NwFQwhMofG
Threatray 11'119 similar samples on MalwareBazaar
TLSH F0B4BF887240729FC86BCD72C9A92C64AB6164B7532BD747A40716ED9E0E7D7CF006E3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: cox.net
Sending IP: 104.152.188.76
From: Jeannie Wong <jasafford@cox.net>
Subject: Fw: Invoice D14008637- RESEND: Official Receipt -MAISON&OBJET
Attachment: Invoice D14008637.doc

AgentTesla payload URL:
http://bencalizo.duckdns.org/musky.exe

AgentTesla SMTP exfil server:
smtp.yandex.com

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.ArtemisF28446988A54.14170.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-06-10 18:17:04 UTC
AV detection:
27 of 31 (87.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rimznz4vjfkaohdxirjq55nddkj65h7vztseoyi7mixyq4mkwg2a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
268ea227f9a30b6221814ba9efe354f2ab07607b6273c8b51fb33d19aa332295
AgentTesla
41401278ff415b94769fc39e72450ae5f510f1097a90e650ac3ab417159b2925
AgentTesla
647ed4118aa8015f145cab92b15b53dee0dd928f7b3493d138696a5e28a201ce
AgentTesla
8447de07af7d5976fca9d1df317d72489dc735fd0fd571d6df0fee9d43cd0448
AgentTesla
ac6059835dff236452027450749d077775411e277447a711e5f53bea47262821
AgentTesla
b12752a638275e30869b256d2a7b0d6576e7eaa4b8f062d1e1e530a1a23d0736
AgentTesla
b265a179bab6fe80bb3b81544e3f04e285a7b90b17e01bc34881e502aa5bb489
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df2bbdd833be8896f46c8660acfc9da2711f2a75d8338240b781fc6ee3964f9e
AgentTesla
f38f1e2f50b3e3efde74f70cf0fe4f264ebe5ddcb0d55cadc61776b12036ad68
AgentTesla
f83df92f9d78101b5376837923351b70eb6581d4ee2b7bf251ef8a2387177064
AgentTesla
+ 11'109 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-5l1rswvtga/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
ServiceHost packer
rezer0
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_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
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

Word file doc b38db3a26989da875d7c312cf3749b8dd85e4a8533d77cb6ebb527276a9a5c77

AgentTesla

Executable exe 8a1996e7954954071c7744530ef5a31a93ee9ff5cce447611f622f88718ab1b4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/385908/
  
Dropped by
MD5 767bd1ba83cc7509e1bac78bdd4e00ee
  
Dropped by
SHA256 b38db3a26989da875d7c312cf3749b8dd85e4a8533d77cb6ebb527276a9a5c77
  
Delivery method
Distributed via web download

Comments