MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 34b9610bec1066c97d3b46b0775013054f6ee258c3400f533078f5c7f6e84c92. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 34b9610bec1066c97d3b46b0775013054f6ee258c3400f533078f5c7f6e84c92
SHA3-384 hash: c4270d2ea6a423a0724e8f7125de6e8efb0b95dd5b241b78ee457ef821e55231009e185f7b46473a6fa82f5b0f861c94
SHA1 hash: c194d9d31ff2b99a20c05b5aed910d9f5cee2f0d
MD5 hash: f94352fbf5c90bc56a3c16aa9ad99cc7
humanhash: purple-maine-fillet-robert
File name:TiWorker.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:624'128 bytes
First seen:2023-09-20 15:33:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:SUfRebGBg1PmXPw06H296VJeVGihHxKGz59vb//upjRAAzEB:zEzEXPw0y2eeV/txKGz59vb//upjRA
Threatray 5'857 similar samples on MalwareBazaar
TLSH T1E8D49F2572DF2686C77AA7B10BD1AC6F83E9F167671BF63B3ED105864621F408912332
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
284
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
TiWorker.exe
Verdict:
Malicious activity
Analysis date:
2023-09-20 15:34:00 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/67d49f83-636f-47ef-a7c6-aec42cbbf32f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/450071/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.23843.27397.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/650b10e934be449f0117a5f7/reports/a3655f9a-2ce9-4394-8b10-5d5ba640af90/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/34b9610bec1066c97d3b46b0775013054f6ee258c3400f533078f5c7f6e84c92
Result
Verdict:
MALICIOUS
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/37a0da3b-c4a4-4d39-9514-fb0e434bb075
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1311678
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
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 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: 1311678 Sample: TiWorker.exe Startdate: 20/09/2023 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic 2->39 41 Found malware configuration 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 11 other signatures 2->45 7 ZJkPcNT.exe 5 2->7         started        10 TiWorker.exe 6 2->10         started        process3 file4 47 Antivirus detection for dropped file 7->47 49 Multi AV Scanner detection for dropped file 7->49 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->51 53 Machine Learning detection for dropped file 7->53 13 ZJkPcNT.exe 2 7->13         started        17 schtasks.exe 1 7->17         started        29 C:\Users\user\AppData\Roaming\ZJkPcNT.exe, PE32 10->29 dropped 31 C:\Users\user\AppData\Local\...\tmpCC67.tmp, XML 10->31 dropped 55 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->55 57 Uses schtasks.exe or at.exe to add and modify task schedules 10->57 59 Injects a PE file into a foreign processes 10->59 19 TiWorker.exe 2 10->19         started        21 schtasks.exe 1 10->21         started        23 TiWorker.exe 10->23         started        signatures5 process6 dnsIp7 33 mail.absbldg.com 13->33 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->61 63 Tries to steal Mail credentials (via file / registry access) 13->63 65 Tries to harvest and steal browser information (history, passwords, etc) 13->65 25 conhost.exe 17->25         started        35 h12.hksx.com 202.181.239.232, 49705, 49706, 587 HKCIX-AS-APHongKongCommercialInternetExchangeHK Hong Kong 19->35 37 mail.absbldg.com 19->37 27 conhost.exe 21->27         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/34b9610bec1066c97d3b46b0775013054f6ee258c3400f533078f5c7f6e84c92/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-09-19 09:28:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 23 (95.65%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gs4wcc7mcbtms7j3i2yhouatavhw5ysyynaa6uzqpd24p5xijsja._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
130c606e7870ab3bd37d52f558d8ecba578e0698631bccf02214e8a6c59eccf8
AgentTesla
17ed43b0f9c5412245b4b1f37c185f7061c0eb3d0ae8af583bd25d7209dce8d9
AgentTesla
395c0eed15d4b5605921f94d489c4dad2edc8fdc816d278e3065d2baa8db3607
AgentTesla
64fb4d60d406e9ae82475b516d012d600b4487e8209b959e9ebc3c62121dfa80
AgentTesla
766a45ca52353d1980821748dc724a02464865e709fe16e830025f64afa497d6
AgentTesla
986cef185bba0f14257b360fc1488c9cf9bd3eefc66d3cf4766e99ed0217550a
AgentTesla
e44c079482925433f0044a1482ce5247dc6fadd2b83e4bcaf0c20c0942c29313
AgentTesla
+ 5'847 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230920-szrjzahb4z/
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
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
Unpacked files
SH256 hash:
e19a6aab90c51c792724c5aeda68bc565df2f850f8ba65595672a1badef981ed
MD5 hash:
4e965b5d65bda495b4766a2008537570
SHA1 hash:
dd7a9e2f4239a645bbdf623b8843f9bbffb6fd34
Link:
https://www.unpac.me/results/8363db89-741c-43b5-b570-1126e61d9c19/
SH256 hash:
0b4c93addb0071e4cc368bc5e46a535e2eafd360b5db8b6c87620d7225eade2d
MD5 hash:
e17d9bb18c1bf12de8c75fa570f4cf72
SHA1 hash:
97751a31524557387d136e0e42e204186d00b5dd
Link:
https://www.unpac.me/results/8363db89-741c-43b5-b570-1126e61d9c19/
SH256 hash:
7652c3e58a27f9cf0266e8af106adf58b6a89af291eab15343142a4943e75ab3
MD5 hash:
9c2f7bf77b6dbd15a80fb9f13e064d4b
SHA1 hash:
420727df25ecbdb9dea930fcbc7e475fa3646441
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/8363db89-741c-43b5-b570-1126e61d9c19/
Parent samples :
766a45ca52353d1980821748dc724a02464865e709fe16e830025f64afa497d6
34b9610bec1066c97d3b46b0775013054f6ee258c3400f533078f5c7f6e84c92
SH256 hash:
34b9610bec1066c97d3b46b0775013054f6ee258c3400f533078f5c7f6e84c92
MD5 hash:
f94352fbf5c90bc56a3c16aa9ad99cc7
SHA1 hash:
c194d9d31ff2b99a20c05b5aed910d9f5cee2f0d
Link:
https://www.unpac.me/results/8363db89-741c-43b5-b570-1126e61d9c19/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/34b9610bec10/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/34b9610bec1066c97d3b46b0775013054f6ee258c3400f533078f5c7f6e84c92

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/450071/
  
URLhaus
https://urlhaus.abuse.ch/url/2712709/

Comments