MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 540ea98c1188f5e8bf41cd359f02664181fb6d04acccfd4408de1e1f4ac203a0. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
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SHA256 hash: 540ea98c1188f5e8bf41cd359f02664181fb6d04acccfd4408de1e1f4ac203a0
SHA3-384 hash: 0fba4f5b61c0170a426d54523c074b27dcddddd88bac082f5957fa2036155f7261818135168414b00425a811b1a8d0a6
SHA1 hash: 8f2c84a4ae350025fdc55eb5827619e19bd4e526
MD5 hash: d9800e8fba18cddaa268db6782413a41
humanhash: xray-romeo-skylark-yankee
File name:70654 SSEBACT.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'036'800 bytes
First seen:2021-08-04 13:14:55 UTC
Last seen:2021-08-04 16:19:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:O7kFdQk53UYcXbHRrvNWqyE4vv3JAE3niG1ZFis825YUHDqFX/N1fVNia+NRKDSc:5sKUBLHh0gkv53iYrPtxQ/NJKaodm1t
Threatray 7'801 similar samples on MalwareBazaar
TLSH T1A42512117664A952D5AC0E7A1FA1E4704FBC6C969871E2183CCD3E87B0B73C76B16CB2
dhash icon e869d4f0f0f0f070 (12 x AgentTesla, 7 x SnakeKeylogger, 6 x Formbook)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
70654 SSEBACT.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-04 13:15:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2cb152b3-575f-439a-a99f-090557acefe5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/176339/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
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/e026ce54-1c73-4d92-add6-bbe965bf04d6
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/826865
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
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)
Sigma detected: Suspicious Process Start Without DLL
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: 459296 Sample: 70654 SSEBACT.exe Startdate: 04/08/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 7 other signatures 2->51 6 70654 SSEBACT.exe 3 2->6         started        10 NXLun.exe 2 2->10         started        12 NXLun.exe 1 2->12         started        process3 file4 25 C:\Users\user\...\70654 SSEBACT.exe.log, ASCII 6->25 dropped 53 Writes to foreign memory regions 6->53 55 Injects a PE file into a foreign processes 6->55 14 RegSvcs.exe 2 4 6->14         started        19 RegSvcs.exe 6->19         started        21 conhost.exe 10->21         started        23 conhost.exe 12->23         started        signatures5 process6 dnsIp7 31 uscentral50.myserverhosts.com 174.136.12.72, 49762, 587 ASMALLORANGE1US United States 14->31 27 C:\Users\user\AppData\Roaming\...27XLun.exe, PE32 14->27 dropped 29 C:\Windows\System32\drivers\etc\hosts, ASCII 14->29 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Tries to steal Mail credentials (via file access) 14->35 37 Tries to harvest and steal ftp login credentials 14->37 43 3 other signatures 14->43 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->41 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/540ea98c1188f5e8bf41cd359f02664181fb6d04acccfd4408de1e1f4ac203a0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-04 11:14:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kqhktdarrd26rp2bzu2z6atgiga7w3ievtgp2rai3ypb6swcaoqa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
232d3e2c32dfde5713153e9ba4a2c08b6e51766f5eef4575a821410edef4a495
AgentTesla
48c928be0fdc30c6ed42f712de7323353e221f5c50ff29c06b3b6f0d224fb679
AgentTesla
986f68ff5be6bbf3edaefc8f1d29ad72728898bec0e373d5ff5bd5915c4abafa
AgentTesla
b915e46bfe27a03870fb223223ff2af61c15226a650031317d2acf558c55a3a9
AgentTesla
fa8025405c4c0290b63c2bbdf413edf496b729abe7bc791eb125f2c21895c842
AgentTesla
+ 7'791 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/210804-8ddv4b9saj/
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
Unpacked files
SH256 hash:
aaac49d144f62d66205fe7e7fb4b3fbcb63dbd4419e06d3d780a337bf4381b45
MD5 hash:
37571c54330695d5de51ae2196f0ee4f
SHA1 hash:
fb01bccdf249578178da2edbe77054a2bbf16984
Link:
https://www.unpac.me/results/2d6ceda7-c6d5-4a31-bc9f-598d98441374/
SH256 hash:
aed00f82f1772e5a403cce9c1349202c8371e67ed9ef19a33cac0bf2a411f3c1
MD5 hash:
c273f926e2a29bd62cc8f27b569a0b2a
SHA1 hash:
e08d302cab3e11d776599a6b0537207fce6f9c51
Link:
https://www.unpac.me/results/2d6ceda7-c6d5-4a31-bc9f-598d98441374/
SH256 hash:
ef46ff24693d5a7b5893f8f058b8404708f399d223baaa6ce46b88d1dd662c89
MD5 hash:
3bb702687e0ed8bc954c6d848ec99b13
SHA1 hash:
09ca27ce011083a217b178a813effae1db80b8ff
Link:
https://www.unpac.me/results/2d6ceda7-c6d5-4a31-bc9f-598d98441374/
SH256 hash:
540ea98c1188f5e8bf41cd359f02664181fb6d04acccfd4408de1e1f4ac203a0
MD5 hash:
d9800e8fba18cddaa268db6782413a41
SHA1 hash:
8f2c84a4ae350025fdc55eb5827619e19bd4e526
Link:
https://www.unpac.me/results/2d6ceda7-c6d5-4a31-bc9f-598d98441374/
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/540ea98c1188f5e8bf41cd359f02664181fb6d04acccfd4408de1e1f4ac203a0

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

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/176339/

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