MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e41c50d817a963a03c07188bda3e42f164f1ce189f2875dc7f5125594d4ec159. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e41c50d817a963a03c07188bda3e42f164f1ce189f2875dc7f5125594d4ec159
SHA3-384 hash: c766a90e30bbda453697a46e1e05d3c4ee1aaee4843950f92b2a2b472a7669504fe1a453676d3b146b4d65c98991e162
SHA1 hash: deeb7af00f175997146e5879d552a6227017d0de
MD5 hash: 5571e9199bb8835e0ace081a29c0797d
humanhash: august-zulu-high-sixteen
File name:PO-047596490_Sample&Specifications,xlsx.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:773'120 bytes
First seen:2021-01-08 08:14:51 UTC
Last seen:2021-01-08 09:50:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:pkvNHnhDXCNcctRZ5dCgFdNRsNzDSmEFymbrs6jB14JOq7a:qlHn5XCLsOvQPSHyB6f4JO8
Threatray 2'095 similar samples on MalwareBazaar
TLSH B1F40146B7FBB780D07C27B115B80442A7F6E90DA7A6D23F5EE570CC09526088DB9B36
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail-smail-vm49.hanmail.net
Sending IP: 203.133.180.237
From: 엄익태 <kjk122803@hanmail.net>
Subject: 答复: New Purchase Order-Inquiry
Attachment: PO-047596490_SampleSpecifications,xlsx.7z (contains "PO-047596490_Sample&Specifications,xlsx.exe")

AgentTesla SMTP exfil server:
mail.wowwow.com.sg:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO-047596490_Sample&Specifications,xlsx.exe
Verdict:
Malicious activity
Analysis date:
2021-01-08 08:20:28 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/368cd75e-1587-4556-8978-99839fa2ed54

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/110929/
Detection(s):
SecuriteInfo.com.Generic.mg.5571e9199bb8835e.26117.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/576480
Signature
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 337292 Sample: PO-047596490_Sample&Specifi... Startdate: 08/01/2021 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 8 other signatures 2->37 7 PO-047596490_Sample&Specifications,xlsx.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\TbryaketrIkXrV.exe, PE32 7->19 dropped 21 C:\...\TbryaketrIkXrV.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp5FF8.tmp, XML 7->23 dropped 25 PO-047596490_Sampl...ations,xlsx.exe.log, ASCII 7->25 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 11 PO-047596490_Sample&Specifications,xlsx.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 wowwow.com.sg 203.175.162.60, 49751, 587 SGGS-AS-APSGGSSG Singapore 11->27 29 mail.wowwow.com.sg 11->29 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 17 conhost.exe 15->17         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e41c50d817a963a03c07188bda3e42f164f1ce189f2875dc7f5125594d4ec159/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4qofbwaxvfr2apahdcf5upsc6fspdtqyt4uhlxd7kesvstkoyfmq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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3262041b975c085ac4910cab0c54cafd02bee3accf8f921712f9a626634ea833
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5ccb4b42592b867c638bc0b10bd75d11865ee1bea36d8242bffe1aba403336e4
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62e4849bf2b02dd9508f6db60bc9f0d0e982ddfb607b9816e4a777c8cf5542ec
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8a21b943ea85a94fb89a4222be1b22222b71447cc16fe9b1ef58957029210a8f
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c2df8e72382149481c403e6a2d52dbb93daeb046e8ce23247ec763f50490be96
AgentTesla
d2adec41dcdb2142c210a4025572e29e1c011d079fa04504b35ab55c03376a16
AgentTesla
+ 2'085 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/210108-xwedxr8xsx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
e41c50d817a963a03c07188bda3e42f164f1ce189f2875dc7f5125594d4ec159
MD5 hash:
5571e9199bb8835e0ace081a29c0797d
SHA1 hash:
deeb7af00f175997146e5879d552a6227017d0de
Link:
https://www.unpac.me/results/54a0e6d9-8517-4f9d-abcc-717bfd7e24c5/
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
Link:
https://www.unpac.me/results/54a0e6d9-8517-4f9d-abcc-717bfd7e24c5/
SH256 hash:
c2de10bd83f1e5aa843686e66c892bfeb9434cad630faace29e266fe73be7b82
MD5 hash:
f31f1557f14c295bf13ac427abc445b2
SHA1 hash:
9bb1ea3f4c6102b99240d9153e2076ab63f3c744
Link:
https://www.unpac.me/results/54a0e6d9-8517-4f9d-abcc-717bfd7e24c5/
SH256 hash:
380a9b9bd7e34e2a21d9ea4756775d780330ba5756207b904ef05e1de1a13889
MD5 hash:
1cc3df4f1eb8f3f244ba8d7cfadd1d39
SHA1 hash:
bd3de50ae63aeb62d526d6e62f7293172773bc2a
Link:
https://www.unpac.me/results/54a0e6d9-8517-4f9d-abcc-717bfd7e24c5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e41c50d817a963a03c07188bda3e42f164f1ce189f2875dc7f5125594d4ec159

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

7z 7f1080adbd3d9e82e29b4b913517558e786f842c93a49758ccbaf8df59cf1d22

AgentTesla

Executable exe e41c50d817a963a03c07188bda3e42f164f1ce189f2875dc7f5125594d4ec159

(this sample)

  
Dropped by
MD5 4e28b1afd4cedf412db5cee972531438
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 7f1080adbd3d9e82e29b4b913517558e786f842c93a49758ccbaf8df59cf1d22
Cape
Cape
https://www.capesandbox.com/analysis/110929/

Comments