MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b55e32234637e16b302ccfb3b30c34cebce0022c958b6afe5214d8ae4a74be2. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b55e32234637e16b302ccfb3b30c34cebce0022c958b6afe5214d8ae4a74be2
SHA3-384 hash: 2f784f147c9ba124a549db6a477fdb04cb116546017571d0686ae7a69e81d9bae5c8dc9da425198de1732e6b70857dc3
SHA1 hash: 68d43720baf148602df2d1fa1002434de23fd758
MD5 hash: 59fa0cdf1e51a5238e7dc04128db9973
humanhash: timing-alanine-mobile-utah
File name:GRACE $$$.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:821'248 bytes
First seen:2021-05-11 06:40:36 UTC
Last seen:2021-05-11 08:53:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:0gycPs4QdQ6C8RBZGa3dL6lVTdijZYQy/V3IZyyVWvMZFD8bidsT10EKTM:MhQ6CGrhdWLdifZyygkZFDVdG19Kw
Threatray 4'781 similar samples on MalwareBazaar
TLSH AE05237357850E3AC0B892F8811530C48561A31F7A37F341AD1659F96AEB3D4A7B23EB
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/154814/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Scr.Malcodegdn30.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:
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/778871
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Modifies the hosts 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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 411275 Sample: GRACE $$$.exe Startdate: 11/05/2021 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Yara detected AgentTesla 2->52 54 5 other signatures 2->54 6 GRACE $$$.exe 15 3 2->6         started        11 NXLun.exe 2 2->11         started        13 NXLun.exe 1 2->13         started        process3 dnsIp4 32 127.0.0.1 unknown unknown 6->32 30 C:\Users\user\AppData\...behaviorgraphRACE $$$.exe.log, ASCII 6->30 dropped 56 Writes to foreign memory regions 6->56 58 Allocates memory in foreign processes 6->58 60 Injects a PE file into a foreign processes 6->60 15 RegSvcs.exe 2 4 6->15         started        20 RegSvcs.exe 6->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        file5 signatures6 process7 dnsIp8 34 wasstech.com 204.93.196.181, 49736, 587 SERVERCENTRALUS United States 15->34 26 C:\Users\user\AppData\Roaming\...26XLun.exe, PE32 15->26 dropped 28 C:\Windows\System32\drivers\etc\hosts, ASCII 15->28 dropped 36 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->36 38 Tries to steal Mail credentials (via file access) 15->38 40 Tries to harvest and steal ftp login credentials 15->40 46 3 other signatures 15->46 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->44 file9 signatures10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4b55e32234637e16b302ccfb3b30c34cebce0022c958b6afe5214d8ae4a74be2/
Threat name:
ByteCode-MSIL.Infostealer.Coins
Create hunting rule
Status:
Malicious
First seen:
2021-05-11 03:21:42 UTC
AV detection:
10 of 47 (21.28%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jnk6girumn7bnmyczt5twmgdjtv44abczfmlnl7fefgyvzfhjpra._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2adae9b6592e71484038a7aff96306b4761fefe3f7bd7163e6bcba18c3427dd3
AgentTesla
47aec25d8d3acefc90d01bb913af2a6d9060d893dedf3cfa62fe61e207f1a8a8
AgentTesla
5def20f9a9f1c413c8bc154ba4a53d7d9a6cfedf4a8a84a342354dab99b12e3f
AgentTesla
78b89b05c3beb9d8275a36c785e9f629241c37768d3eca480ad18cd61cee01a3
AgentTesla
86583e8edf11dc6f182b473ba6aedd59a6a21367c6966705066eb4fe948d3ce9
AgentTesla
a8c94f8fc9b5c2a0cd3da68122fc36b28a7b990ace2f238961742245ece50ed5
AgentTesla
c9af30b2a800c774844eee76e019d10b72c4637adbccd34a6de3bcc8a4f32ba4
AgentTesla
cd1bee6270cb8bfbd9e1e1f53a35cd9ed37590c563911f5c27667c4233803bfb
AgentTesla
d6bbcde0f4cfe242313c3af0a3cf6f451026af2536a53a9e402578186cb2d757
AgentTesla
dd9113142fe95a5b0d389a920be3f978f452fe6e5b591e40b40b7a4e274d3b85
AgentTesla
+ 4'771 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/210511-b7ymm7vdds/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
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/4b55e32234637e16b302ccfb3b30c34cebce0022c958b6afe5214d8ae4a74be2

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.

Cape
Cape
https://www.capesandbox.com/analysis/154814/

Comments