MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ddc15860b3ad79c71728581274d212c38c203fc5747c217ccde359e835d690f. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 7ddc15860b3ad79c71728581274d212c38c203fc5747c217ccde359e835d690f
SHA3-384 hash: 9c6b7eb50bfcec2682725c9204ed1da509a87e6789fd648ab06ffe951a1bd609ab57c36aa7adb18113b59a67b7ede4e8
SHA1 hash: a42d5ba4f9dc6c1229b702d1952bd7add3c55cf4
MD5 hash: ab67a9feba8c5ec3e11597fcb21c6f29
humanhash: fix-hydrogen-saturn-alabama
File name:Sep_Order.rar.exe
Download: download sample
Signature AgentTesla
File size:786'944 bytes
First seen:2020-08-10 13:11:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ce9dc34dcdc6dcac1abc92d3ec049de7 (11 x AgentTesla, 4 x MassLogger, 2 x FormBook)
ssdeep 12288:0QoTCHdOasekxlSBWq6UDb9BxgMBFGCeR7HQYR3QyTPnzWiDZwUg:h4UOaeCWal93GVRLXTfzW2Zpg
Threatray 11'115 similar samples on MalwareBazaar
TLSH DEF4AE26E2F04837C367DA3F9C1B56679825BE513A2869452BE45C484F39FB03C252BF
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: rm-mail.rm-events.org
Sending IP: 192.249.112.220
From: Samir Asad Tcontinent Exchange LLC <hossam.mahfouz@medizenegypt.net>
Subject: FW:New Order-2020-PO#0834
Attachment: Sep_Order.rar.zip (contains "Sep_Order.rar.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Changing the hosts file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Disables UAC (registry)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Maps a DLL or memory area into another process
Modifies the hosts 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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 260667 Sample: Sep_Order.rar.exe Startdate: 10/08/2020 Architecture: WINDOWS Score: 100 53 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->53 55 Found malware configuration 2->55 57 Yara detected AgentTesla 2->57 59 2 other signatures 2->59 7 Sep_Order.rar.exe 2->7         started        10 kMkCxs.exe 2->10         started        12 kMkCxs.exe 2->12         started        process3 signatures4 61 Detected unpacking (changes PE section rights) 7->61 63 Detected unpacking (overwrites its own PE header) 7->63 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->65 67 Contains functionality to detect sleep reduction / modifications 7->67 14 Sep_Order.rar.exe 2 5 7->14         started        69 Detected unpacking (creates a PE file in dynamic memory) 10->69 71 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->71 73 Maps a DLL or memory area into another process 10->73 19 kMkCxs.exe 2 10->19         started        21 kMkCxs.exe 2 12->21         started        process5 dnsIp6 31 smtp.ph1cool.com 14->31 33 us2.smtp.mailhostbox.com 208.91.199.223, 49728, 49736, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->33 35 192.168.2.1 unknown unknown 14->35 25 C:\Users\user\AppData\Roaming\...\kMkCxs.exe, PE32 14->25 dropped 27 C:\Windows\System32\drivers\etc\hosts, ASCII 14->27 dropped 29 C:\Users\user\...\kMkCxs.exe:Zone.Identifier, ASCII 14->29 dropped 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->39 41 Tries to steal Mail credentials (via file access) 14->41 43 Modifies the hosts file 14->43 45 Disables UAC (registry) 14->45 37 smtp.ph1cool.com 19->37 47 Tries to harvest and steal ftp login credentials 19->47 49 Tries to harvest and steal browser information (history, passwords, etc) 19->49 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->51 23 WerFault.exe 3 10 19->23         started        file7 signatures8 process9
Threat name:
Win32.Backdoor.Androm
Status:
Malicious
First seen:
2020-08-10 13:13:09 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla evasion persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
System policy modification
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
UPX packed file
AgentTesla Payload
UAC bypass
AgentTesla
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 7ddc15860b3ad79c71728581274d212c38c203fc5747c217ccde359e835d690f

(this sample)

  
Delivery method
Distributed via e-mail attachment

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