MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b7a5802f8159347f0bb0be6df44778bbd4a625a41a83fee7ab7fcf413d79509. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b7a5802f8159347f0bb0be6df44778bbd4a625a41a83fee7ab7fcf413d79509
SHA3-384 hash: 9f1e5cb8041958df3516921b108f8657025ddc1652714b4f38934e1e276194617a1bbef7aecbeb9f1cda1d94e2b09ff6
SHA1 hash: 22d8b1e38ea91fa73dbf32192690af99aa0747b5
MD5 hash: 9d562aa6671801bef58988a1623a076f
humanhash: carpet-september-winter-nitrogen
File name:PURCHASEORDER.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:112'056 bytes
First seen:2020-10-10 07:00:14 UTC
Last seen:2020-10-10 08:04:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:T5YmktdLDk16ZwQ50V9k1gt2H+NZYJZpUFlKU8ZFydgPzcvclkcAUf2hUp:6mktdLD/70V90MsKc+dgPVKUf3p
Threatray 10'752 similar samples on MalwareBazaar
TLSH 86B3AA3E2969B806DEF5453D1822FC8417B295F1A860C0798DEC56CDCF40AE53E6B9CE
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: vervehealth.org
Sending IP: 185.29.10.101
From: Verve international<dra@vervehealth.org>
Subject: PURCHASING ORDER
Attachment: PURCHASEORDER.z (contains "PURCHASEORDER.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
152
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/69710/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/487420
Signature
Adds a directory exclusion to Windows Defender
Binary contains a suspicious time stamp
Connects to a pastebin service (likely for C&C)
Contains functionality to hide a thread from the debugger
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops PE files to the startup folder
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
Multi AV Scanner detection for dropped file
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 296153 Sample: PURCHASEORDER.exe Startdate: 10/10/2020 Architecture: WINDOWS Score: 100 63 smtp.yandex.ru 2->63 65 smtp.yandex.com 2->65 73 Multi AV Scanner detection for dropped file 2->73 75 Multi AV Scanner detection for submitted file 2->75 77 Yara detected AgentTesla 2->77 79 7 other signatures 2->79 9 PURCHASEORDER.exe 24 6 2->9         started        14 PURCHASEORDER.exe 2->14         started        16 PURCHASEORDER.exe 2->16         started        18 3 other processes 2->18 signatures3 process4 dnsIp5 67 pastebin.com 104.23.98.190, 443, 49755 CLOUDFLARENETUS United States 9->67 59 C:\Users\user\AppData\...\PURCHASEORDER.exe, PE32 9->59 dropped 61 C:\...\PURCHASEORDER.exe:Zone.Identifier, ASCII 9->61 dropped 89 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->89 91 Creates an undocumented autostart registry key 9->91 93 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->93 95 7 other signatures 9->95 20 PURCHASEORDER.exe 9->20         started        23 powershell.exe 24 9->23         started        25 timeout.exe 1 9->25         started        37 4 other processes 9->37 69 104.23.99.190, 443, 49766, 49770 CLOUDFLARENETUS United States 14->69 71 192.168.2.1 unknown unknown 14->71 27 timeout.exe 14->27         started        29 timeout.exe 16->29         started        31 timeout.exe 18->31         started        33 timeout.exe 18->33         started        35 timeout.exe 18->35         started        file6 signatures7 process8 signatures9 81 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->81 83 Moves itself to temp directory 20->83 85 Tries to steal Mail credentials (via file access) 20->85 87 2 other signatures 20->87 39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 25->43         started        45 conhost.exe 27->45         started        47 conhost.exe 29->47         started        49 conhost.exe 31->49         started        51 conhost.exe 33->51         started        53 conhost.exe 37->53         started        55 conhost.exe 37->55         started        process10 process11 57 conhost.exe 39->57         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b7a5802f8159347f0bb0be6df44778bbd4a625a41a83fee7ab7fcf413d79509/
Threat name:
ByteCode-MSIL.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2020-10-10 00:41:16 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hn5fqaxycwjup4f3bptn6rdxro6uuys2igud73t2w76pie6xsueq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'742 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware evasion trojan family:agenttesla
Link:
https://tria.ge/reports/201010-5yaaqmdsej/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
AgentTesla Payload
AgentTesla
Modifies WinLogon for persistence
Modifies Windows Defender Real-time Protection settings
Windows security bypass
Turns off Windows Defender SpyNet reporting
Unpacked files
SH256 hash:
3b7a5802f8159347f0bb0be6df44778bbd4a625a41a83fee7ab7fcf413d79509
MD5 hash:
9d562aa6671801bef58988a1623a076f
SHA1 hash:
22d8b1e38ea91fa73dbf32192690af99aa0747b5
Link:
https://www.unpac.me/results/c7fe71e2-55db-4b89-a336-d395f5b15c66/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/3b7a5802f8159347f0bb0be6df44778bbd4a625a41a83fee7ab7fcf413d79509

File information

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

Malspam

AgentTesla

zip 053a7f800621a6d7d30c59c48d2753e79a96e5b05a5cf8106da9dd5a49450720

AgentTesla

Executable exe 3b7a5802f8159347f0bb0be6df44778bbd4a625a41a83fee7ab7fcf413d79509

(this sample)

  
Dropped by
MD5 c6149ac3942c89eb86c76dc620f6e557
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 053a7f800621a6d7d30c59c48d2753e79a96e5b05a5cf8106da9dd5a49450720
Cape
Cape
https://www.capesandbox.com/analysis/69710/

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