MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f15d580cc1e0b17070f7fe48cb8d8a60177e4e8468d5b5f2008e6be5c3a85b42. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: f15d580cc1e0b17070f7fe48cb8d8a60177e4e8468d5b5f2008e6be5c3a85b42
SHA3-384 hash: 28613d89a8dfe472f7c0acfb5d3d8bfa1684ee7bacd6abcc2efe2d63e27863c80764e6b91b18c13c290e430af2a68012
SHA1 hash: 68a3c070c85e2eee61a93bd5ac4680f5600f9140
MD5 hash: 4728201d275f72fcf418bc1eb2c6faac
humanhash: blue-nitrogen-happy-king
File name:Revised P.I Officina_images.exe
Download: download sample
Signature AgentTesla
File size:378'368 bytes
First seen:2020-07-22 06:13:09 UTC
Last seen:2020-07-22 07:14:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:71UT1ZJkml7jKg2l97dLhkyZ3TcXvy+INMORh3LyTJKbncZ:71s/l7jq91kw3oXK+EMQQ
Threatray 10'762 similar samples on MalwareBazaar
TLSH 9A84CF4E37919931C5ACA6BAE8D72722C77861931F01EF4F0AD858E919E33C3758278D
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.example.com
Sending IP: 103.147.184.169
From: Glamour Textile Mills Ltd <info@glamourtextiles.com>
Subject: FW: Revised P.I Officina 14-07-2020
Attachment: Revised P.I Officina_images.rar (contains "Revised P.I Officina_images.exe")

AgentTesla SMTP exfil server:
smtp.office365.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Launching a process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun with Startup directory
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 249546 Sample: Revised P.I Officina_images.exe Startdate: 22/07/2020 Architecture: WINDOWS Score: 100 81 Antivirus detection for dropped file 2->81 83 Antivirus / Scanner detection for submitted sample 2->83 85 Multi AV Scanner detection for dropped file 2->85 87 7 other signatures 2->87 13 Revised P.I Officina_images.exe 4 2->13         started        17 inquiry.exe 2 2->17         started        19 inquiry.exe 2->19         started        process3 file4 73 C:\Users\user\Revised, PE32 13->73 dropped 75 C:\Users\user\AppData\...\HJdyTuap.exe, PE32 13->75 dropped 77 C:\Users\user\Revised:Zone.Identifier, ASCII 13->77 dropped 109 Maps a DLL or memory area into another process 13->109 111 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->111 21 Revised P.I Officina_images.exe 1 13->21         started        24 RegAsm.exe 13->24         started        26 RegAsm.exe 2 4 13->26         started        28 conhost.exe 17->28         started        30 conhost.exe 19->30         started        signatures5 process6 signatures7 93 Maps a DLL or memory area into another process 21->93 32 Revised P.I Officina_images.exe 1 21->32         started        35 RegAsm.exe 2 21->35         started        37 RegAsm.exe 21->37         started        95 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 24->95 97 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 24->97 99 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->99 process8 signatures9 79 Maps a DLL or memory area into another process 32->79 39 Revised P.I Officina_images.exe 32->39         started        42 RegAsm.exe 3 32->42         started        44 RegAsm.exe 32->44         started        process10 signatures11 101 Maps a DLL or memory area into another process 39->101 46 Revised P.I Officina_images.exe 39->46         started        49 RegAsm.exe 39->49         started        103 Hides that the sample has been downloaded from the Internet (zone.identifier) 42->103 process12 signatures13 113 Maps a DLL or memory area into another process 46->113 51 Revised P.I Officina_images.exe 46->51         started        54 RegAsm.exe 46->54         started        115 Hides that the sample has been downloaded from the Internet (zone.identifier) 49->115 process14 signatures15 89 Maps a DLL or memory area into another process 51->89 56 Revised P.I Officina_images.exe 51->56         started        59 RegAsm.exe 51->59         started        91 Hides that the sample has been downloaded from the Internet (zone.identifier) 54->91 process16 file17 105 Maps a DLL or memory area into another process 56->105 62 Revised P.I Officina_images.exe 56->62         started        65 RegAsm.exe 56->65         started        71 C:\Users\user\AppData\Roaming\...\inquiry.exe, PE32 59->71 dropped 107 Hides that the sample has been downloaded from the Internet (zone.identifier) 59->107 signatures18 process19 signatures20 117 Maps a DLL or memory area into another process 62->117 67 RegAsm.exe 62->67         started        69 RegAsm.exe 62->69         started        process21
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2020-07-22 06:15:06 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Adds Run key to start application
Adds Run key to start application
Drops startup file
Drops startup file
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
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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

Executable exe f15d580cc1e0b17070f7fe48cb8d8a60177e4e8468d5b5f2008e6be5c3a85b42

(this sample)

  
Delivery method
Distributed via e-mail attachment

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