MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a065ba2e4db5ebb1459d554c4f9301cb770ff863b2edb43a0dbd3405d186198e. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a065ba2e4db5ebb1459d554c4f9301cb770ff863b2edb43a0dbd3405d186198e
SHA3-384 hash: c6d1987e0869b4153da0ce06b6d9480ee6bc22855a00c00377b35efdfb55ac12d2a450f309c5b8014c13d7c4a613603c
SHA1 hash: 573220a6a6a530c7afdd7fe546ccf6d44de96742
MD5 hash: ca38b04d1ceaa5d08b1e3a0f98ae7675
humanhash: whiskey-sweet-delta-failed
File name:Q20 054 R3 BAJA.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'097'216 bytes
First seen:2020-08-16 06:20:32 UTC
Last seen:2020-08-16 06:43:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 90119647835cd33f64c1fdc1f1c49ada (2 x AgentTesla, 1 x Loki)
ssdeep 24576:i1M5WkSjDHm5c/cqQcmFeoThZGdkamOhliqO:m4Wty+qFeoTLGdxE
Threatray 10'653 similar samples on MalwareBazaar
TLSH 73356B3DBDC24433C1F2163D9F575E74983ABAD1192F274A7EE849780B297913C390AA
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: dss-sa.com
Sending IP: 45.137.22.118
From: Dileep DSS' <dileep@dss-sa.com>
Subject: RE: Revised purchase order
Attachment: Q20 054 R3 BAJA-pdf_____________________.gz (contains "Q20 054 R3 BAJA.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/46411/
Detection(s):
PUA.Win.Adware.Webalta-6862190-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Unauthorized injection to a recently created process
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/432169
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
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
Found malware configuration
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 267553 Sample: Q20 054 R3 BAJA.exe Startdate: 16/08/2020 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Detected unpacking (changes PE section rights) 2->37 39 Detected unpacking (creates a PE file in dynamic memory) 2->39 41 6 other signatures 2->41 7 Q20 054 R3 BAJA.exe 2->7         started        10 wscript.exe 1 2->10         started        process3 signatures4 43 Writes to foreign memory regions 7->43 45 Allocates memory in foreign processes 7->45 47 Maps a DLL or memory area into another process 7->47 49 Queues an APC in another process (thread injection) 7->49 12 Q20 054 R3 BAJA.exe 4 7->12         started        16 notepad.exe 1 7->16         started        18 Q20 054 R3 BAJA.exe 7->18         started        20 Q20 054 R3 BAJA.exe 10->20         started        process5 dnsIp6 31 smtp.yandex.ru 77.88.21.158, 49731, 587 YANDEXRU Russian Federation 12->31 33 smtp.yandex.com 12->33 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->51 53 Tries to steal Mail credentials (via file access) 12->53 55 Tries to harvest and steal ftp login credentials 12->55 57 Tries to harvest and steal browser information (history, passwords, etc) 12->57 59 Drops VBS files to the startup folder 16->59 61 Delayed program exit found 16->61 63 Writes to foreign memory regions 20->63 65 Allocates memory in foreign processes 20->65 67 Maps a DLL or memory area into another process 20->67 22 notepad.exe 1 20->22         started        25 Q20 054 R3 BAJA.exe 20->25         started        27 Q20 054 R3 BAJA.exe 20->27         started        signatures7 process8 file9 29 C:\Users\user\AppData\Roaming\...\AppData.vbs, ASCII 22->29 dropped
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a065ba2e4db5ebb1459d554c4f9301cb770ff863b2edb43a0dbd3405d186198e/
Threat name:
Win32.Hacktool.CeeInject
Create hunting rule
Status:
Malicious
First seen:
2020-08-16 00:56:28 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ubs3ulsnwxv3crm5kvge7eybzn3q76ddwlw3ioqnxu2alumgdgha._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
hawkeyekeylogger
Create hunting rule
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AgentTesla
+ 10'643 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200816-mnycdtjgzs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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
UPX packed file
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Backdoor
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a065ba2e4db5ebb1459d554c4f9301cb770ff863b2edb43a0dbd3405d186198e

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
Rule name:win_agent_tesla_w1
Create hunting rule
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

gz b371bb3db130e0e4499d2d6b1b9de378475fe6044b0cc85bee2865ba463f679a

AgentTesla

Executable exe a065ba2e4db5ebb1459d554c4f9301cb770ff863b2edb43a0dbd3405d186198e

(this sample)

  
Dropped by
MD5 b7728ed342d0f7d59bdeeafdc1bf926e
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/46411/
  
Dropped by
SHA256 b371bb3db130e0e4499d2d6b1b9de378475fe6044b0cc85bee2865ba463f679a

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