MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1f1d87aaf919fc57a2e4498d3d54c8f9c724026b97b05747e1e6bdcccb51be46. 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: 1f1d87aaf919fc57a2e4498d3d54c8f9c724026b97b05747e1e6bdcccb51be46
SHA3-384 hash: 5eaba241bd64519c595f9dbd5e7441c8c6112b5f043a82ad56f662cfe9c39b7e8f83e3720695264c424478d678ed6e1a
SHA1 hash: 826d2b9b5c66464def942721e019f8d0e3ce397e
MD5 hash: 48fb67150c7a3419c215f10c3e3d1304
humanhash: indigo-ten-rugby-berlin
File name:NEW ORDER 2020.exe
Download: download sample
Signature AgentTesla
File size:804'864 bytes
First seen:2020-07-30 07:30:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9049d2d9e4b4ee0c20616207952aadc3 (6 x AgentTesla, 2 x NanoCore, 2 x Loki)
ssdeep 12288:LmHWniVDj9UfMWyW3P5eizRP6wP1HUzCERb1q+QChTvD+n0Gd7Xqgwr:LliPUEY5ei97FU/bM+DpvrGd7i
Threatray 11'244 similar samples on MalwareBazaar
TLSH BB059E22A2D04837D167173C9C0B5764AC3DBE102B279A476BE61CCC5F39681F97E2A7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: samundabd.com
Sending IP: 37.49.224.50
From: nazim <nazim@samundabd.com>
Subject: RE: New Order Package 174888 - 1710
Attachment: NEW ORDER 2020.xz (contains "NEW ORDER 2020.exe")

AgentTesla SMTP exfil server:
smtp.bnb-spa.com:587

Intelligence


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

Behaviour
Creating a window
Launching a process
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
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
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)
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 253874 Sample: NEW ORDER 2020.exe Startdate: 30/07/2020 Architecture: WINDOWS Score: 100 48 Detected unpacking (changes PE section rights) 2->48 50 Detected unpacking (creates a PE file in dynamic memory) 2->50 52 Detected unpacking (overwrites its own PE header) 2->52 54 7 other signatures 2->54 7 Mymp4.exe 2->7         started        10 Mymp4.exe 2->10         started        12 wscript.exe 1 2->12         started        14 NEW ORDER 2020.exe 2->14         started        process3 signatures4 74 Detected unpacking (changes PE section rights) 7->74 76 Detected unpacking (creates a PE file in dynamic memory) 7->76 78 Detected unpacking (overwrites its own PE header) 7->78 88 2 other signatures 7->88 16 Mymp4.exe 4 7->16         started        18 notepad.exe 1 7->18         started        80 Writes to foreign memory regions 10->80 82 Allocates memory in foreign processes 10->82 84 Maps a DLL or memory area into another process 10->84 20 Mymp4.exe 10->20         started        23 notepad.exe 10->23         started        26 NEW ORDER 2020.exe 12->26         started        86 Queues an APC in another process (thread injection) 14->86 28 notepad.exe 1 14->28         started        30 NEW ORDER 2020.exe 4 14->30         started        process5 file6 56 Tries to steal Mail credentials (via file access) 20->56 58 Tries to harvest and steal ftp login credentials 20->58 60 Tries to harvest and steal browser information (history, passwords, etc) 20->60 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->62 42 C:\Users\user\AppData\Roaming\...\gv.vbs, ASCII 23->42 dropped 64 Writes to foreign memory regions 26->64 66 Allocates memory in foreign processes 26->66 68 Maps a DLL or memory area into another process 26->68 32 NEW ORDER 2020.exe 2 7 26->32         started        36 notepad.exe 1 26->36         started        70 Drops VBS files to the startup folder 28->70 72 Delayed program exit found 28->72 signatures7 process8 file9 38 C:\Users\user\AppData\Roaming\...\Mymp4.exe, PE32 32->38 dropped 40 C:\Users\user\...\Mymp4.exe:Zone.Identifier, ASCII 32->40 dropped 44 Tries to steal Mail credentials (via file access) 32->44 46 Hides that the sample has been downloaded from the Internet (zone.identifier) 32->46 signatures10
Threat name:
Win32.Trojan.DataStealer
Status:
Malicious
First seen:
2020-07-30 04:38:13 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx spyware keylogger trojan stealer family:agenttesla persistence
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Drops startup file
UPX packed file
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 1f1d87aaf919fc57a2e4498d3d54c8f9c724026b97b05747e1e6bdcccb51be46

(this sample)

  
Delivery method
Distributed via e-mail attachment

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