MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b3efdba2a0251d16190ac0faabe18091b391b70e55ac58d17f8ad2ac0baab68. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4b3efdba2a0251d16190ac0faabe18091b391b70e55ac58d17f8ad2ac0baab68
SHA3-384 hash: b8ff1f9167b4308c2793dec7813dcbd2c24511627e337d4d022f6604dc8925f10e8a62aa4a1cc3c50b45a45de4ade7d8
SHA1 hash: 022f5568b18650f243b79b2ba6bc2c8a5caba51a
MD5 hash: 116b30619542968f27949b3cc451a2e0
humanhash: nevada-grey-sad-speaker
File name:SOA.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:662'528 bytes
First seen:2022-05-10 04:26:52 UTC
Last seen:2022-05-10 05:41:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:SYPgzIwJJRg+FbtvAM+G2v10a0v5NVaKHDkVApHx/6rzjVFsh6L+wpzWrOJKNQVd:Z4RJs+Fp4M7a0vE
Threatray 16'564 similar samples on MalwareBazaar
TLSH T1FCE408AC311472DEE46BD471C9595C78EB92346B830B42139063E7BEAE0D9B7DF160B2
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 GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
246
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA.exe
Verdict:
Malicious activity
Analysis date:
2022-05-10 04:28:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b88cb1e5-afde-4c85-823e-cff048672b4b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.5295.1110.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/6279e9a34b517e213c2805de/reports/ab6024e5-4581-41ce-8471-970ae67aea77/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/8ac2e482-4817-466e-85bd-4ca588a5b2ed
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/990688
Signature
.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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
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: 623184 Sample: SOA.exe Startdate: 10/05/2022 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 8 other signatures 2->62 7 SOA.exe 6 2->7         started        11 yqWDN.exe 4 2->11         started        13 yqWDN.exe 3 2->13         started        process3 file4 36 C:\Users\user\AppData\Roaming\IzEYVDgSS.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmpE584.tmp, XML 7->38 dropped 40 C:\Users\user\AppData\Local\...\SOA.exe.log, ASCII 7->40 dropped 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->64 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->66 68 Uses schtasks.exe or at.exe to add and modify task schedules 7->68 15 SOA.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        70 Multi AV Scanner detection for dropped file 11->70 72 Machine Learning detection for dropped file 11->72 74 Injects a PE file into a foreign processes 11->74 22 yqWDN.exe 2 11->22         started        24 schtasks.exe 1 11->24         started        signatures5 process6 dnsIp7 42 mail.ocenmasters.com 198.54.126.161, 49747, 49765, 587 NAMECHEAP-NETUS United States 15->42 30 C:\Users\user\AppData\Roaming\...\yqWDN.exe, PE32 15->30 dropped 32 C:\Windows\System32\drivers\etc\hosts, ASCII 15->32 dropped 34 C:\Users\user\...\yqWDN.exe:Zone.Identifier, ASCII 15->34 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->44 46 Tries to steal Mail credentials (via file / registry access) 15->46 48 Modifies the hosts file 15->48 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->50 26 conhost.exe 20->26         started        52 Tries to harvest and steal ftp login credentials 22->52 54 Tries to harvest and steal browser information (history, passwords, etc) 22->54 28 conhost.exe 24->28         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4b3efdba2a0251d16190ac0faabe18091b391b70e55ac58d17f8ad2ac0baab68/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-10 02:15:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jm7p3orkaji5cymqvqh2vpqybentsg3q4vnmldix7cwsvqf2vnua._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
29cb6bc05ceec1f61c6505393a38615ecd94794ac9641cb533a943fd22734cc7
AgentTesla
4b3b8f1f6ab69340cea4c78f21cb691e6efdb3ede2973a6315e947b281ea25c8
AgentTesla
4cf82337bab1a66dee7f8267b43745476f735a39047975612a83a5fdab1a0893
AgentTesla
5a69092c2d9decda22f216947a5356ca728bc72538ab8a812236d86e64b2fbeb
AgentTesla
8604f1c98675e3c0d417eb8c93fa89d12780b3d16e7bc3110ef3c8d3596db103
AgentTesla
9ec5396bfca1b1b6d8c40f019c07e2af5881791400f63aaa674641452f316caa
AgentTesla
+ 16'554 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220510-e234wshgam/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Drops file in Drivers directory
AgentTesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Unpacked files
SH256 hash:
3f0c6862e8eec9ba7cc3f82c4827793ad474498d39c95b6e8247a86717f4cca1
MD5 hash:
f4d143e97aacfaff08006a57b2fbf6b8
SHA1 hash:
c107424feb34732edf99fb3caf84d5301706b1d6
Link:
https://www.unpac.me/results/6919a33e-f44a-4613-9141-b3dc65b0bac0/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/6919a33e-f44a-4613-9141-b3dc65b0bac0/
SH256 hash:
2a14b2bc943d825d2c2482fcc6d628d80b3efed31f1bc7f36d05b8ac07c0556d
MD5 hash:
265d598c4e73c8628e35d60721fa61ad
SHA1 hash:
2ff0873636b480bead4d7ff98830e908d813b179
Link:
https://www.unpac.me/results/6919a33e-f44a-4613-9141-b3dc65b0bac0/
SH256 hash:
4b3efdba2a0251d16190ac0faabe18091b391b70e55ac58d17f8ad2ac0baab68
MD5 hash:
116b30619542968f27949b3cc451a2e0
SHA1 hash:
022f5568b18650f243b79b2ba6bc2c8a5caba51a
Link:
https://www.unpac.me/results/6919a33e-f44a-4613-9141-b3dc65b0bac0/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4b3efdba2a02/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/4b3efdba2a0251d16190ac0faabe18091b391b70e55ac58d17f8ad2ac0baab68

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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 4b3efdba2a0251d16190ac0faabe18091b391b70e55ac58d17f8ad2ac0baab68

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments