MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b749cd6d8d74e65f5ff17f2d11b1c99d4e5540e161b572bfe58d7078943fb6d0. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b749cd6d8d74e65f5ff17f2d11b1c99d4e5540e161b572bfe58d7078943fb6d0
SHA3-384 hash: fc4d75469a2c4a6e7a3c9037fee2e5259e834a7cb8b21430204c7baaf613f70559b6005868f5fc5cf5a522c30a5bbb56
SHA1 hash: 48e0046fec89d77f86b239ae4dec3182f3f061b9
MD5 hash: 9176f64f67ef84349387b35797664600
humanhash: california-arizona-oklahoma-pasta
File name:SOA PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'024'512 bytes
First seen:2021-05-10 07:15:15 UTC
Last seen:2021-05-11 10:17:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:qbHZdOiSooLA8XeeEcM9Nl2VYJUEKlCW:qMeeCNSYJUEKlCW
Threatray 4'679 similar samples on MalwareBazaar
TLSH F0258DA8715055F1D36F1E7267CF5D1242612D38A876D60E8BA033FA1A73F133A3998E
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/153807/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.43091.5924.28962.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
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
Enabling autorun by creating a file
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.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/779433
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Modifies the hosts file
Multi AV Scanner detection for dropped file
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)
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 steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 411835 Sample: SOA PDF.exe Startdate: 12/05/2021 Architecture: WINDOWS Score: 100 54 Found malware configuration 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 9 other signatures 2->60 7 SOA PDF.exe 6 2->7         started        11 ppptOL.exe 5 2->11         started        13 ppptOL.exe 2 2->13         started        process3 file4 38 C:\Users\user\AppData\...\ZxfaLKaKAs.exe, PE32 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmp1494.tmp, XML 7->40 dropped 42 C:\Users\user\AppData\...\SOA PDF.exe.log, ASCII 7->42 dropped 62 Injects a PE file into a foreign processes 7->62 15 SOA PDF.exe 2 9 7->15         started        20 schtasks.exe 1 7->20         started        22 SOA PDF.exe 7->22         started        64 Multi AV Scanner detection for dropped file 11->64 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->66 68 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->68 24 ppptOL.exe 2 11->24         started        26 schtasks.exe 1 11->26         started        signatures5 process6 dnsIp7 44 webmail.mdist.us 192.185.226.148, 49722, 49723, 587 UNIFIEDLAYER-AS-1US United States 15->44 32 C:\Users\user\AppData\Roaming\...\ppptOL.exe, PE32 15->32 dropped 34 C:\Users\user\...\ppptOL.exe:Zone.Identifier, ASCII 15->34 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->46 48 Tries to steal Mail credentials (via file access) 15->48 50 Tries to harvest and steal ftp login credentials 15->50 52 3 other signatures 15->52 28 conhost.exe 20->28         started        36 C:\Windows\System32\drivers\etc\hosts, ASCII 24->36 dropped 30 conhost.exe 26->30         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b749cd6d8d74e65f5ff17f2d11b1c99d4e5540e161b572bfe58d7078943fb6d0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-10 02:53:52 UTC
AV detection:
6 of 47 (12.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w5e423mnottf6x7rp4wrdmojtvhfkqhbmg2xfp7frvyhrfb7w3ia._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
30a8c0df00327395c8b1beef758c41cc14a6c93b08b06d9bbd7436387c699222
AgentTesla
3ab4992a55bf19ce9d855ed0ff10f965e9d51f07b8b214436bbabd2f2ecd5c92
AgentTesla
a3aa3605c436f4ef38f404007ce0305562def1f6e77f244232671b10914894f0
AgentTesla
ac378093221cf284ea649b78bb9940e5c9074b7bf48579ed82b004cee2b2402c
AgentTesla
b2d263b6849356375e66551abbf32c31859fa91fb6b3d8c7de7ddfb7cc27ae66
AgentTesla
be12b2425d429462f8a54e4fd16f13a6498404867c5472d061b41f29b4bb282d
AgentTesla
cbcef38342c5f347999bbce4dfae813c8299e673d2129736460b883f7c009fe2
AgentTesla
e30e9ec11818e069b23a74a0a47d0a2b91c19556e2851a79c033c2ef0b680974
AgentTesla
f3d469f0a1a622aa519aea436e3067b35c0dd9f6d5b0188e00007c3c736e7e7e
AgentTesla
f44bd20b37500dfa695e4886e238419aad5945a149f3848fb50a5ee7dc1d538f
AgentTesla
+ 4'669 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/210510-d422yltev2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
74b2935b9dfe4ba397fd0507ae3c36abb77193041f2e7c43c55dc4e7b33de61c
MD5 hash:
b5c218f30fecc9cb8513ff6a46737b01
SHA1 hash:
f0416867c2b114789620b318051f1fa390b07eae
Link:
https://www.unpac.me/results/6dfb3efd-e015-44a1-9a80-3dfa4e1406a5/
SH256 hash:
327e4b01529d044df4cb08366cd1816da7f06519e0db2bdc5051abae38361b3f
MD5 hash:
b2afae28e4cac52fb75de9288cd48743
SHA1 hash:
e6eebcc00ffffc493d5be842a2dd1c1a0ccaa5fd
Link:
https://www.unpac.me/results/6dfb3efd-e015-44a1-9a80-3dfa4e1406a5/
SH256 hash:
9b699935f9dffdd404932e41fe540ce0c6483f57d3dd60186e5bbad9b1aab7e5
MD5 hash:
96e6507293a2c458fcbd704406d9d4a9
SHA1 hash:
423898b3646e9bafaa1099fcb8c185ad858715ed
Link:
https://www.unpac.me/results/6dfb3efd-e015-44a1-9a80-3dfa4e1406a5/
SH256 hash:
b749cd6d8d74e65f5ff17f2d11b1c99d4e5540e161b572bfe58d7078943fb6d0
MD5 hash:
9176f64f67ef84349387b35797664600
SHA1 hash:
48e0046fec89d77f86b239ae4dec3182f3f061b9
Link:
https://www.unpac.me/results/6dfb3efd-e015-44a1-9a80-3dfa4e1406a5/
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/b749cd6d8d74e65f5ff17f2d11b1c99d4e5540e161b572bfe58d7078943fb6d0

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

Executable exe b749cd6d8d74e65f5ff17f2d11b1c99d4e5540e161b572bfe58d7078943fb6d0

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/153807/

Comments