MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8642bef0da90b39eff7e2f28570d28aa2a9aaabcd181c9f64bcfbdd331a606f1. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8642bef0da90b39eff7e2f28570d28aa2a9aaabcd181c9f64bcfbdd331a606f1
SHA3-384 hash: 850d59884183a525b8734366479e60f00139f235ac408b833ec24bd65b3c31766adb3cc47c5f5f4a2bb50911c362309f
SHA1 hash: a804cd0cbbce08e3e736b73f922f6c45d0b113a5
MD5 hash: fe30745c46bc28ce6886c5c67324973e
humanhash: victor-hot-sixteen-mike
File name:Salary_PMT.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:844'288 bytes
First seen:2020-12-03 08:36:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:sKp3NimH0Rp2C2qPVGNbTuMuKBD7hpvAlShQTx05vLz19U4fL+AbtdQ+d0dI/d7V:seuST0sDd/YqvthdPt/d7V
Threatray 1'643 similar samples on MalwareBazaar
TLSH 04058D369F485639F43AAB7CC1B020516BEE6FA3B707C9DD2CB531C90B63A4289D1539
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.2080technologies.solutions
Sending IP: 198.255.54.42
From: Human Resources Manager <HRManager@hrm.com>
Subject: YOUR EMPLOYMENT STATUS
Attachment: Salary_PMT.zip (contains "Salary_PMT.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/106550/
Detection(s):
SecuriteInfo.com.Backdoor.MSIL.REMCOS.SM.5794.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/554433
Signature
.NET source code contains very large strings
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 326315 Sample: Salary_PMT.exe Startdate: 03/12/2020 Architecture: WINDOWS Score: 100 34 g.msn.com 2->34 48 Found malware configuration 2->48 50 Yara detected AgentTesla 2->50 52 Yara detected AntiVM_3 2->52 54 3 other signatures 2->54 7 Salary_PMT.exe 1 2->7         started        11 jXVxOnf.exe 1 2->11         started        13 jXVxOnf.exe 2->13         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\Salary_PMT.exe.log, ASCII 7->32 dropped 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->56 58 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->58 60 Contains functionality to register a low level keyboard hook 7->60 15 Salary_PMT.exe 17 5 7->15         started        62 Machine Learning detection for dropped file 11->62 64 Injects a PE file into a foreign processes 11->64 20 jXVxOnf.exe 2 11->20         started        22 jXVxOnf.exe 11->22         started        24 jXVxOnf.exe 2 13->24         started        26 jXVxOnf.exe 13->26         started        signatures6 process7 dnsIp8 36 smtp.oiltechnd.com 15->36 38 us2.smtp.mailhostbox.com 208.91.199.224, 49736, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->38 28 C:\Users\user\AppData\Roaming\...\jXVxOnf.exe, PE32 15->28 dropped 30 C:\Users\user\...\jXVxOnf.exe:Zone.Identifier, ASCII 15->30 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->40 42 Tries to steal Mail credentials (via file access) 15->42 44 Tries to harvest and steal ftp login credentials 15->44 46 3 other signatures 15->46 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8642bef0da90b39eff7e2f28570d28aa2a9aaabcd181c9f64bcfbdd331a606f1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-03 08:37:07 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qzbl54g2sczz5736f4ufodjivivjvkv42ga4t5slz665gmnga3yq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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80d2742ad2aa2b84c5c32278be4a819400da0135ce52389e6ad711539d6ab9d6
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AgentTesla
+ 1'633 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence spyware
Link:
https://tria.ge/reports/201203-bfmjgpp1rx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Link:
https://www.unpac.me/results/4e2e1391-5b01-4841-b8ba-bc517ba05b63/
SH256 hash:
8642bef0da90b39eff7e2f28570d28aa2a9aaabcd181c9f64bcfbdd331a606f1
MD5 hash:
fe30745c46bc28ce6886c5c67324973e
SHA1 hash:
a804cd0cbbce08e3e736b73f922f6c45d0b113a5
Link:
https://www.unpac.me/results/4e2e1391-5b01-4841-b8ba-bc517ba05b63/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/8642bef0da90b39eff7e2f28570d28aa2a9aaabcd181c9f64bcfbdd331a606f1

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: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

zip 7a2c3b87c0bca6657f075e056b70350b5a2ea657fc2f2876c16fe70fc217098e

AgentTesla

Executable exe 8642bef0da90b39eff7e2f28570d28aa2a9aaabcd181c9f64bcfbdd331a606f1

(this sample)

  
Dropped by
MD5 62d456093185a9171e10f1d139bcacfe
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/106550/
  
Dropped by
SHA256 7a2c3b87c0bca6657f075e056b70350b5a2ea657fc2f2876c16fe70fc217098e

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