MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8789e245fdcc8f15b3e86a516660004980a8febea95077b7606e5bfc4a7bd31. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8789e245fdcc8f15b3e86a516660004980a8febea95077b7606e5bfc4a7bd31
SHA3-384 hash: d4d5e81ab2e903cda8f31baac170f9c77e827d648b6c0bb132bd7623ec11a24291f529a6567e6d5cd25bc83021116491
SHA1 hash: 80b24437a08f7de7f9c6b6e35437a90aa03bc0a4
MD5 hash: 64756c1a7d89b53e2879228f4e3f9c5e
humanhash: saturn-delta-william-sierra
File name:OC_U90071385264.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'247'744 bytes
First seen:2020-08-05 15:15:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6f6a6c4d7e3c496aeb050e49f17c295e (6 x MassLogger, 5 x Loki, 4 x AgentTesla)
ssdeep 24576:D3+RcOn0TC3moKhuRXgdN+ek3t5d66Xii/PZS+CmHhKP:D3+dN9ek3tC6Xii/PkbmHsP
Threatray 2'070 similar samples on MalwareBazaar
TLSH A845D012E2D077F7C0731A788C5F9377A8E6BD006924A8862BF55F0C5E396A079361B7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: cronos.revisionalpha.net
Sending IP: 190.7.29.21
From: sebastianventas@dmdistribuidora.com
Subject: ORDEN DE COMPRA
Attachment: OC_U90071385264.cab (contains "OC_U90071385264.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/39750/
Detection(s):
SecuriteInfo.com.Variant.Strictor.247961.5681.1845.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Creating a file
Running batch commands
Deleting a recently created file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/411487
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Creates files in alternative data streams (ADS)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 258055 Sample: OC_U90071385264.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 52 Yara detected MassLogger RAT 2->52 54 Sigma detected: Drops script at startup location 2->54 56 Machine Learning detection for sample 2->56 58 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->58 10 OC_U90071385264.exe 2->10         started        13 wscript.exe 1 2->13         started        process3 signatures4 68 Contains functionality to inject code into remote processes 10->68 70 Writes to foreign memory regions 10->70 72 Allocates memory in foreign processes 10->72 74 2 other signatures 10->74 15 notepad.exe 5 10->15         started        19 app.exe 13->19         started        process5 file6 40 C:\Users\user\AppData\Roaming\...\app.exe, PE32 15->40 dropped 42 C:\Users\user\...\app.exe:Zone.Identifier, ASCII 15->42 dropped 44 C:\Users\user\AppData\Roaming\...\app.exe.vbs, ASCII 15->44 dropped 46 Creates files in alternative data streams (ADS) 15->46 48 Drops VBS files to the startup folder 15->48 21 app.exe 15->21         started        50 Maps a DLL or memory area into another process 19->50 24 app.exe 2 19->24         started        signatures7 process8 signatures9 60 Detected unpacking (changes PE section rights) 21->60 62 Detected unpacking (overwrites its own PE header) 21->62 64 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 21->64 66 3 other signatures 21->66 26 app.exe 3 21->26         started        28 cmd.exe 1 24->28         started        process10 process11 30 cmd.exe 1 26->30         started        32 powershell.exe 28->32         started        34 conhost.exe 28->34         started        process12 36 powershell.exe 18 30->36         started        38 conhost.exe 30->38         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8789e245fdcc8f15b3e86a516660004980a8febea95077b7606e5bfc4a7bd31/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-08-05 15:17:06 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xb4j4jc73tepcwz6q2srmzqaasmavd7l5kkqo63wa3s37rfhxuyq._file
Verdict:
malicious
Label(s):
hawkeyekeylogger
Create hunting rule
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AgentTesla
+ 2'060 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
ransomware upx stealer spyware family:masslogger
Link:
https://tria.ge/reports/200805-bqkwh647g6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
NTFS ADS
Suspicious use of SetThreadContext
Looks up external IP address via web service
Loads dropped DLL
Drops startup file
Reads user/profile data of web browsers
Executes dropped EXE
UPX packed file
MassLogger
MassLogger log file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b8789e245fdcc8f15b3e86a516660004980a8febea95077b7606e5bfc4a7bd31

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

cab cb45aa7c7b1a22cb70e1c43b87094d7c27866400d055b9f8822969403bd185ff

AgentTesla

Executable exe b8789e245fdcc8f15b3e86a516660004980a8febea95077b7606e5bfc4a7bd31

(this sample)

  
Dropped by
MD5 b3bddc941cb5ecc5bcb6e524057d4830
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/39750/
  
Dropped by
SHA256 cb45aa7c7b1a22cb70e1c43b87094d7c27866400d055b9f8822969403bd185ff

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