MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 837c5548dc64287dc269d29eb7fba3822377be3e90ffd1203b1607cc1e86ab25. 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: 7


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: 837c5548dc64287dc269d29eb7fba3822377be3e90ffd1203b1607cc1e86ab25
SHA3-384 hash: 2820abc53a268f7e05bd7404375bbe5d109fa014c90bbf5ef1428467f40cf60a60b33e0b37d994f9354d0c350ed202f3
SHA1 hash: 3e8dc4d67847472c67007c69cafb1771ef704b8d
MD5 hash: 4c712dfb7e899a7bd247e0c70bf74187
humanhash: avocado-mike-florida-virginia
File name:CONFIRM OUR NEW ATTECHED IMAGE AND SAMPLES ORDER.exe
Download: download sample
Signature AgentTesla
File size:535'696 bytes
First seen:2020-09-28 07:10:12 UTC
Last seen:2020-09-29 05:23:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:wVn8Y/2+3x5spUN1yY0zyZ5fhACqxFQcdzv8PtQuMmBHNWriPoAu8VUc:w58WhWmNEYOyTaxZil3lNWrit1
Threatray 124 similar samples on MalwareBazaar
TLSH D5B44A61A583441AD32B0E37F070C9E1A7651FE9BE4CA70C22F6B63BE8527165B0538F
Reporter cocaman
Tags:AgentTesla exe

Code Signing Certificate

Organisation:Notepad
Issuer:DigiCert SHA2 Assured ID Code Signing CA
Algorithm:sha256WithRSAEncryption
Valid from:May 3 00:00:00 2019 GMT
Valid to:May 11 12:00:00 2022 GMT
Serial number: 01342592A0010CB1109C11C0519CFD24
Intelligence: 3 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 806E267F1CA67157BB634690BDBE433B0DA3610961F5F3DE179AB162C62CF4FC
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
3
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Sending a UDP request
Creating a file
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Moving a recently created file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
84 / 100
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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)
Tries to detect virtualization through RDTSC time measurements
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2020-09-28 07:00:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla
Unpacked files
SH256 hash:
837c5548dc64287dc269d29eb7fba3822377be3e90ffd1203b1607cc1e86ab25
MD5 hash:
4c712dfb7e899a7bd247e0c70bf74187
SHA1 hash:
3e8dc4d67847472c67007c69cafb1771ef704b8d
SH256 hash:
b8e947a3f2d1c37a02ecdb5e75ca1adc98b974b04a1ce8f1a95749db2ea3c20d
MD5 hash:
c9fd31e1e63072c7aeec9701c4eb09a0
SHA1 hash:
224b44b6f5106ac08d2ced98e79cc43ed57d5f87
SH256 hash:
b80155dbd80f8bc5d3f59e08df47aefa42e73612aac6e8845fad3cae516cbdb0
MD5 hash:
0478256ba4237f2e33b77f8127d9a145
SHA1 hash:
560f2cd098bd81c18174d980652b28a8c90c48e2
SH256 hash:
a20b652de071eb9f5632fbb3c5289f24c57d5e912e75056c4b5ed2b5e1fef71d
MD5 hash:
c4978e120310ab9a9de31e2117f4d47b
SHA1 hash:
b3582630e70d71753d08e73bab94cd84546b728f
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

AgentTesla

Executable exe 837c5548dc64287dc269d29eb7fba3822377be3e90ffd1203b1607cc1e86ab25

(this sample)

Comments