MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b33111055e431055136563c9ad41270cf91919077fcf9b7365dee85d977eb9a5. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b33111055e431055136563c9ad41270cf91919077fcf9b7365dee85d977eb9a5
SHA3-384 hash: 0f1b45ff0b52552e0e84f1d02774cc3a8ed5807e3fbdd05388eab19b5a920e4589fa8289318aa68032fcce7bfb941ec8
SHA1 hash: d93be3bbcaef76790010103a90aeb2c8f2f021cc
MD5 hash: 1953bbc1a4337d3c4d73eeec7c5c07cd
humanhash: solar-bulldog-oranges-xray
File name:G.I gratings-pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:18'040 bytes
First seen:2021-03-02 08:04:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 384:uB+uvT1Y8xULh+cSOCoREHxanfIj0uy6He9hKQ5iuOhn:uBln+LEOHiHxoIj0v6He9hKJhn
Threatray 11'078 similar samples on MalwareBazaar
TLSH 81824A5966E99521D82B7F327BE2B5125A78F311081BE67F309C830A4F43F8052B16BF
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: taymer.com
Sending IP: 103.99.1.140
From: info@taymer.com
Subject: Re: Re: R.F.Q
Attachment: G.I gratings-pdf.gz (contains "G.I gratings-pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
121
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
G.I gratings-pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-03-02 08:07:20 UTC
Tags:
trojan keylogger stealer agenttesla
Link:
https://app.any.run/tasks/dc3ff529-1055-474b-b110-86dffb32d734

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DLAgent06
Create hunting rule
Link:
https://www.capesandbox.com/analysis/120851/
Detection(s):
SecuriteInfo.com.Trojan.Siggen12.19857.10080.4572.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a file
Moving a recently created file
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Adding an access-denied ACE
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/623425
Signature
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped 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)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 360703 Sample: G.I gratings-pdf.exe Startdate: 02/03/2021 Architecture: WINDOWS Score: 100 55 mail.soonlogistics.com 2->55 81 Found malware configuration 2->81 83 Yara detected AgentTesla 2->83 85 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 2->85 87 3 other signatures 2->87 8 G.I gratings-pdf.exe 15 8 2->8         started        12 NewApp.exe 14 7 2->12         started        14 NewApp.exe 2->14         started        signatures3 process4 dnsIp5 57 chelseafc.map.fastly.net 151.101.2.133, 443, 49713, 49714 FASTLYUS United States 8->57 59 0k10dk21kkeok2e.online 172.67.179.188, 49720, 49765, 49779 CLOUDFLARENETUS United States 8->59 65 6 other IPs or domains 8->65 89 Hides threads from debuggers 8->89 91 Injects a PE file into a foreign processes 8->91 16 G.I gratings-pdf.exe 2 9 8->16         started        21 cmd.exe 1 8->21         started        23 WerFault.exe 23 9 8->23         started        61 13.225.74.106, 443, 49771, 49773 AMAZON-02US United States 12->61 63 192.168.2.1 unknown unknown 12->63 67 5 other IPs or domains 12->67 93 Multi AV Scanner detection for dropped file 12->93 95 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->95 97 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->97 25 NewApp.exe 12->25         started        27 cmd.exe 12->27         started        29 WerFault.exe 12->29         started        69 5 other IPs or domains 14->69 31 cmd.exe 14->31         started        33 NewApp.exe 14->33         started        35 WerFault.exe 14->35         started        signatures6 process7 dnsIp8 53 mail.soonlogistics.com 103.17.211.69, 49782, 49792, 49793 IPSERVERONE-AS-APIPServerOneSolutionsSdnBhdMY Malaysia 16->53 49 C:\Users\user\AppData\Roaming\...49ewApp.exe, PE32 16->49 dropped 51 C:\Users\user\...51ewApp.exe:Zone.Identifier, ASCII 16->51 dropped 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->71 73 Tries to steal Mail credentials (via file access) 16->73 75 Tries to harvest and steal ftp login credentials 16->75 77 Tries to harvest and steal browser information (history, passwords, etc) 16->77 37 conhost.exe 21->37         started        39 timeout.exe 1 21->39         started        79 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->79 41 conhost.exe 27->41         started        43 timeout.exe 27->43         started        45 conhost.exe 31->45         started        47 timeout.exe 31->47         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b33111055e431055136563c9ad41270cf91919077fcf9b7365dee85d977eb9a5/
Threat name:
ByteCode-MSIL.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-03-02 08:04:14 UTC
AV detection:
9 of 48 (18.75%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wmyrcbk6imifke3fmpe22qjhbt4rsgihp7hzw43f33uf3f36xgsq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
155fd2e71fa6a2962d5353bc3a2c307b06fc6b04ad205f50733e6e0e635c09ec
AgentTesla
26e7e2592001dcae03d24805daf839378a61263b2aab7a6d7db204088833f946
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6d0109dbceff8f7a96076cb6d274e44df655597e7fb090a21ec2866352c1e640
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a56a122e4d9fc51551a7c7ea70458c0938fbd4620268ed1d14b393e1e68325de
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b37d450b7d60fd2497ae794e9835b999339549406b1a05d92bb46a9f1a23eb12
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b707eb402e6b80cd3a7e527cd8b57cbb639909d8376e60e14a19b5e72fa57cf0
AgentTesla
d17f81844d81aab1740d9fc2992ae741df0636cd8eee2be31caa84a480e561ab
AgentTesla
e057f177dbb47cdb739ca5300812914d10c60ef522607819b91201079ffa643d
AgentTesla
ee9ee2abef95ddfdcad61d9314b9fec9deb37695427b57b85248ff3adfa8fdeb
AgentTesla
fcdececb42372d5ae1a1a1d367046476f916624878980498984983f00add62ad
AgentTesla
+ 11'068 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210302-dgcpmw7q5a/
Behaviour
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
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:
b33111055e431055136563c9ad41270cf91919077fcf9b7365dee85d977eb9a5
MD5 hash:
1953bbc1a4337d3c4d73eeec7c5c07cd
SHA1 hash:
d93be3bbcaef76790010103a90aeb2c8f2f021cc
Link:
https://www.unpac.me/results/56c3833e-4413-45de-88e8-d82021536635/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b33111055e431055136563c9ad41270cf91919077fcf9b7365dee85d977eb9a5

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

AgentTesla

gz 565f20690f68d19eaee415f2e49808781dd219cffe4f1ad09a82fe16f88ea066

AgentTesla

Executable exe b33111055e431055136563c9ad41270cf91919077fcf9b7365dee85d977eb9a5

(this sample)

  
Dropped by
MD5 feff2faecf0f98991308eddd4baedf29
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/120851/
  
Dropped by
SHA256 565f20690f68d19eaee415f2e49808781dd219cffe4f1ad09a82fe16f88ea066

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