MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48f8e8504e89f98adb7acc7f938cb133b7d17a4acacdf1bf36dcc02abe51e87e. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 48f8e8504e89f98adb7acc7f938cb133b7d17a4acacdf1bf36dcc02abe51e87e
SHA3-384 hash: 8af6b5b78bd93bf9b011414f588f8710957f75a16c90254a044288a9b95378bc6717ef408ff67e0a176a10fc6f1f5ab8
SHA1 hash: b5c962508328353a7221c24b2295a6f137fbf6d8
MD5 hash: 243c5762b51da1445a81840631d7d75c
humanhash: romeo-mobile-carbon-lima
File name:HMc97qN16UxqYk8.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:933'376 bytes
First seen:2020-10-20 08:38:27 UTC
Last seen:2020-10-26 08:35:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:BjgfsLe2iNeRLnROZ4bnJ7V1XZ3YxJeulWvDn+v67Aqz6sSF7VHkVM4rrH:Bw1UwwJLXKJllWvz+hd7V
Threatray 9'452 similar samples on MalwareBazaar
TLSH A715F1B122E8DF14E03ED77C103021424FF2B8A7D666E65ABECC619A5FB275107A7712
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: webmail.cyber.net.pk
Sending IP: 203.101.175.37
From: MANAGEMENT <javaid@cyber.net.pk>
Reply-To: Ericgillis60@gmail.com
Subject: NEW OFFER No PO_821557
Attachment: NEW OFFER No PO_821557.Doc.z (contains "HMc97qN16UxqYk8.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/73373/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/497391
Signature
.NET source code contains potential unpacker
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Installs a global keyboard hook
Multi AV Scanner detection for submitted file
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/48f8e8504e89f98adb7acc7f938cb133b7d17a4acacdf1bf36dcc02abe51e87e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-20 01:07:01 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jd4oqucorh4yvw32zr7zhdfrgo35c6skzlg7dpzw3tacvpsr5b7a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
3d24a5a1d350ea3d4e9bd5b02b65493835b6d9c559c3e3b7df5852916188d9d4
AgentTesla
5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
AgentTesla
61cd0eb067277dda91558901ac1d3b45bf56f4d4fec39270e4975de550477513
AgentTesla
6c489ebc2d7b407a9058479ee3e54b83949ef2a58ce749528cea74b4f0b5db0e
AgentTesla
ad8aeed2d546163aa0b5cbfb430bc9a02896645be4a51cb654083ce18ab853bb
AgentTesla
b29880b2403337ef4fb3c644c4b033327cb6e2828d28799a0cc6a708cc0afaa4
AgentTesla
c4417a6bdfb8727b6cb186c09a2e3700ec563324bb60d22544a6ee5b8a2eda29
AgentTesla
c8946b73ca20ba2454e510f081a9d33d60d1ba9291471a0ba5abb649ff0d25d4
AgentTesla
e5a94739fb1f6d7a06f6b9eb529037c9ab0d59be424d4b99c63651360d7ded3f
AgentTesla
e6d2c97461c6aac9ea130eaa96f9927b57998c04b5e7573a555caa729178a70c
AgentTesla
+ 9'442 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/201020-lw4ny8d43n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
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
AgentTesla
Unpacked files
SH256 hash:
48f8e8504e89f98adb7acc7f938cb133b7d17a4acacdf1bf36dcc02abe51e87e
MD5 hash:
243c5762b51da1445a81840631d7d75c
SHA1 hash:
b5c962508328353a7221c24b2295a6f137fbf6d8
Link:
https://www.unpac.me/results/5e8124b3-cf6e-4735-9521-2781a4b305ff/
SH256 hash:
f2c6ad34e3265f68bd3e28db965275ea7be02e62e0eadbde0114ba562c225f91
MD5 hash:
f4a459e988ffa95494707177f683b32d
SHA1 hash:
2108a52737df2ad3bdc7e022d57e7a6d2ec56ec4
Detections:
win_agent_tesla_w1
Create hunting rule
Link:
https://www.unpac.me/results/5e8124b3-cf6e-4735-9521-2781a4b305ff/
Parent samples :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 hash:
77c72475a1bf7a89c49bb3e11fdf04902561c4d8b120904bb732a3027f4a495c
MD5 hash:
86a768acae65c9302a731e9d38d51b77
SHA1 hash:
2622ace6521cb707f31bc57753829eff93e853aa
Link:
https://www.unpac.me/results/5e8124b3-cf6e-4735-9521-2781a4b305ff/
SH256 hash:
553d52b87bd8a51a038aca2c6d666e78cc3dbe0adadea73f63717a1c35e666ae
MD5 hash:
fc40321579313865fdc106fb6ca4321d
SHA1 hash:
6ab24d5403e340c440231553005842faa86213bd
Link:
https://www.unpac.me/results/5e8124b3-cf6e-4735-9521-2781a4b305ff/
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
Link:
https://www.unpac.me/results/5e8124b3-cf6e-4735-9521-2781a4b305ff/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/48f8e8504e89f98adb7acc7f938cb133b7d17a4acacdf1bf36dcc02abe51e87e

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_extracted_bin
Create hunting rule
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Create hunting rule
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
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_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla
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

z d4eb093eee4f1f6149669b6c54d7584f3100b85d511a35f781a5e6a53173b045

AgentTesla

Executable exe 48f8e8504e89f98adb7acc7f938cb133b7d17a4acacdf1bf36dcc02abe51e87e

(this sample)

  
Dropped by
MD5 d36f926e3c29afe23f9d8ecbd64352dc
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/73373/
  
Dropped by
SHA256 d4eb093eee4f1f6149669b6c54d7584f3100b85d511a35f781a5e6a53173b045

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