MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0783a403939b1b24f709b35b7eb02ba1fcb69066805130e576880cafa0b8094. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a0783a403939b1b24f709b35b7eb02ba1fcb69066805130e576880cafa0b8094
SHA3-384 hash: 5fdb56e954f5a8bcfca03c346158965605518e84642f548da06a6e2e670b368ccfb5c68ab0a90a4c2ad2af9899c70066
SHA1 hash: 6aca80afe3f669ad82040114c5e3e948a31784ec
MD5 hash: 624989179869d7effd267b0f42d45b4f
humanhash: october-lake-snake-mockingbird
File name:a0.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:735'232 bytes
First seen:2022-11-16 13:23:02 UTC
Last seen:2022-11-16 14:51:47 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:lhgcpCYrNSpSqTrN/de2vGUu+rWfU4O8b3+M003:lCICQanjHYU4D603
Threatray 22'340 similar samples on MalwareBazaar
TLSH T11BF43A2D79BCF412EF3BA9A70EE6AA4BCC301241121E91171D2937DEE93587B3D4D14A
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter 0x746f6d6669
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
a0.exe
Verdict:
Malicious activity
Analysis date:
2022-11-16 13:25:54 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/fff79b39-1222-468e-ad7f-3652692e4c25

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/334847/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.24449.16963.25754.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6374e43f07c3f5e84a0170bf/reports/b8f7f602-8aaa-4ad0-ba21-6083c0dc901f/overview
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2777f69c-bbf6-435d-80d7-a109de24eea3
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1114857
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to register a low level keyboard hook
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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 / registry 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: 747554 Sample: a0.exe Startdate: 16/11/2022 Architecture: WINDOWS Score: 100 71 Snort IDS alert for network traffic 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Sigma detected: Scheduled temp file as task from temp location 2->75 77 7 other signatures 2->77 7 a0.exe 7 2->7         started        11 GlENRzCF.exe 5 2->11         started        14 WdFVsOe.exe 2->14         started        16 WdFVsOe.exe 3 2->16         started        process3 dnsIp4 49 C:\Users\user\AppData\RoamingbehaviorgraphlENRzCF.exe, PE32 7->49 dropped 51 C:\Users\...behaviorgraphlENRzCF.exe:Zone.Identifier, ASCII 7->51 dropped 53 C:\Users\user\AppData\Local\...\tmpB7E9.tmp, XML 7->53 dropped 55 C:\Users\user\AppData\Local\...\a0.exe.log, ASCII 7->55 dropped 91 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->91 93 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->93 95 Contains functionality to register a low level keyboard hook 7->95 103 2 other signatures 7->103 18 a0.exe 2 6 7->18         started        23 powershell.exe 20 7->23         started        25 schtasks.exe 1 7->25         started        69 192.168.2.1 unknown unknown 11->69 97 Multi AV Scanner detection for dropped file 11->97 99 Machine Learning detection for dropped file 11->99 101 Injects a PE file into a foreign processes 11->101 27 GlENRzCF.exe 11->27         started        29 schtasks.exe 11->29         started        31 WdFVsOe.exe 14->31         started        33 schtasks.exe 14->33         started        35 WdFVsOe.exe 14->35         started        file5 signatures6 process7 dnsIp8 57 smtp.treuvalue.net 18->57 59 us2.smtp.mailhostbox.com 208.91.199.223, 49696, 587 PUBLIC-DOMAIN-REGISTRYUS United States 18->59 45 C:\Users\user\AppData\Roaming\...\WdFVsOe.exe, PE32 18->45 dropped 47 C:\Users\user\...\WdFVsOe.exe:Zone.Identifier, ASCII 18->47 dropped 79 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->79 81 Tries to steal Mail credentials (via file / registry access) 18->81 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->83 37 conhost.exe 23->37         started        39 conhost.exe 25->39         started        61 208.91.199.224, 49698, 587 PUBLIC-DOMAIN-REGISTRYUS United States 27->61 63 smtp.treuvalue.net 27->63 41 conhost.exe 29->41         started        65 208.91.198.143, 49697, 587 PUBLIC-DOMAIN-REGISTRYUS United States 31->65 67 smtp.treuvalue.net 31->67 85 Tries to harvest and steal ftp login credentials 31->85 87 Tries to harvest and steal browser information (history, passwords, etc) 31->87 89 Installs a global keyboard hook 31->89 43 conhost.exe 33->43         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a0783a403939b1b24f709b35b7eb02ba1fcb69066805130e576880cafa0b8094/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-16 08:25:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ub4duqbzhgy3et3qtm23p2ycxip4w2ignacrgdsxncamv6qlqcka._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1553aa050727e5537b4626ad00d54218402bae9d1035f1df91c59fa444a630fa
AgentTesla
42cb095fcf7bce147419fe87bffc91a1c0c189f731daaa819b17d371594b868f
AgentTesla
750cffc7eae93c260753bea3710409fbe39f18c15457f6d7408f8b07ee56f460
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75a1ab8cf9990ff406e8c0f6cb7dcbb5aea1a45b5e6d5007b905c59b4e1d2fd3
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7a7f48a5a8c241f21b74550d56f6de96746999fa79bc8794363e23c3ea16b4dd
AgentTesla
a058e4db6871ecf56adf444c908980dbfb1a6eddc2cb2eae86d86c6df6111c30
AgentTesla
f91175784f25d47d86fc18f403abf1031cf131b981a13f790cce98b002c5ec54
AgentTesla
+ 22'330 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/221116-qms6xseh9v/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/405be035-3e98-47c9-b0f2-15e54ebfc62f
Unpacked files
SH256 hash:
a25a929dc5b6037c98538f836508bbfd819d52c1bf3a68cc3fbd3c72e0fea504
MD5 hash:
20af87c681537fc87729fc9e28b13677
SHA1 hash:
f31d90a3b09723ad8c3f5cde58cea3fc6b8beeef
Link:
https://www.unpac.me/results/ee343d8e-0723-4fb0-a3b6-c4ee969770af/
SH256 hash:
1523cab6ba95aff33d52093695cac3bfb2168ac7725f4dd463ad2ee9b17bafd2
MD5 hash:
26adeab5bf815bcb32b62c224f5519da
SHA1 hash:
5271ce14b85dca1ebe8ccef0778d7e7cfd8e3a13
Link:
https://www.unpac.me/results/ee343d8e-0723-4fb0-a3b6-c4ee969770af/
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
Link:
https://www.unpac.me/results/ee343d8e-0723-4fb0-a3b6-c4ee969770af/
SH256 hash:
8590c8b50bd0f327e0b74c1609e590cba197a4b174718eed68b6b513461267cd
MD5 hash:
b2e4af2ca70acb3b4ba2cfb374d3e261
SHA1 hash:
27b217dc0d8e78502c894dc983cebee8bb637435
Link:
https://www.unpac.me/results/ee343d8e-0723-4fb0-a3b6-c4ee969770af/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/ee343d8e-0723-4fb0-a3b6-c4ee969770af/
SH256 hash:
a0783a403939b1b24f709b35b7eb02ba1fcb69066805130e576880cafa0b8094
MD5 hash:
624989179869d7effd267b0f42d45b4f
SHA1 hash:
6aca80afe3f669ad82040114c5e3e948a31784ec
Link:
https://www.unpac.me/results/ee343d8e-0723-4fb0-a3b6-c4ee969770af/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a0783a403939/report/overview.html
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/a0783a403939b1b24f709b35b7eb02ba1fcb69066805130e576880cafa0b8094

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/334847/

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