MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35053de930782e8179e3721c8927c499b71dc9926db872b722fe8b5ec5b300b2. 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 5 File information Comments

SHA256 hash: 35053de930782e8179e3721c8927c499b71dc9926db872b722fe8b5ec5b300b2
SHA3-384 hash: 2411b94f919b143aaa1c206e0bc95778f2f140acd7b77ffaa90bf4d54f488e59063d3db80edc245f91e9fe0c9d4c97d3
SHA1 hash: 522fdd9a6002eb9baf90e1ba16c8f0ea476fae59
MD5 hash: ae5fbb6288d417e980098f7a8f13d844
humanhash: alaska-april-triple-sodium
File name:INVITATION TO TENDER 001 D 11 025 NMB RWHP4 PPL SPC.exe
Download: download sample
Signature AgentTesla
File size:878'592 bytes
First seen:2020-10-12 06:14:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:KLvibjcSX05hQRopcoHultg1n46gf08s6wKLa:KL6dEro3oOa8f08j
Threatray 10'768 similar samples on MalwareBazaar
TLSH FC15F12127F95B86E17E9BF64224255047F53A1B382EF60C2DC629EF5AB5F809600F73
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mnnhe.com
Sending IP: 37.48.85.232
From: Halem Bin Beiaman (MMHE) <halenn@mnnhe.com>
Reply-To: halenn@mnnhe.com
Subject: URGENT EPCC FOR FFD PHASE 4A FACILITIES, NMB (DAHLIA, TERATAI & KANGSAR) - SUPPLY OF MATERIALS FOR PROJECT
Attachment: INVITATION TO TENDER 001 D 11 025 NMB RWHP4 PPL SPC.rar (contains "INVITATION TO TENDER 001 D 11 025 NMB RWHP4 PPL SPC.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for sample
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)
Sigma detected: Capture Wi-Fi password
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 harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 296453 Sample: INVITATION TO TENDER 001 D ... Startdate: 12/10/2020 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Sigma detected: Capture Wi-Fi password 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 7 other signatures 2->45 8 INVITATION TO TENDER 001 D 11 025 NMB RWHP4 PPL SPC.exe 3 2->8         started        12 LKUgjc.exe 2 2->12         started        14 LKUgjc.exe 1 2->14         started        process3 file4 31 INVITATION TO TEND...HP4 PPL SPC.exe.log, ASCII 8->31 dropped 55 Writes to foreign memory regions 8->55 57 Injects a PE file into a foreign processes 8->57 16 RegSvcs.exe 2 4 8->16         started        21 conhost.exe 12->21         started        23 conhost.exe 14->23         started        signatures5 process6 dnsIp7 33 smtp.yandex.ru 77.88.21.158, 49734, 587 YANDEXRU Russian Federation 16->33 35 192.168.2.1 unknown unknown 16->35 37 smtp.yandex.com 16->37 29 C:\Users\user\AppData\Roaming\...\LKUgjc.exe, PE32 16->29 dropped 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->49 51 Tries to steal Mail credentials (via file access) 16->51 53 5 other signatures 16->53 25 netsh.exe 3 16->25         started        file8 signatures9 process10 process11 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2020-10-12 03:50:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
SH256 hash:
1042eda32e3a745e8d2cc71a91d07d38f34f33ec4ee2bfee6e5f9a0a4d9c0e07
MD5 hash:
8a4ad01433065774b1c6bacb14080ee1
SHA1 hash:
a079168a222c7798d90928531218ce069f90f72c
SH256 hash:
273ea5b43616c859f9f7b61ce7840e2cc041192102aab83c127b8b3a0efddcd7
MD5 hash:
1613062ffc3782a4b9f8d6fcbb210f14
SHA1 hash:
e1f8dd3fda781dd575a38ef6b406b847e590eb6b
Detections:
win_agent_tesla_w1
SH256 hash:
35053de930782e8179e3721c8927c499b71dc9926db872b722fe8b5ec5b300b2
MD5 hash:
ae5fbb6288d417e980098f7a8f13d844
SHA1 hash:
522fdd9a6002eb9baf90e1ba16c8f0ea476fae59
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_extracted_bin
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
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 35053de930782e8179e3721c8927c499b71dc9926db872b722fe8b5ec5b300b2

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments