MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3b98eef2685c5cbc4438d7c3aa8ba25fb9b65153a0a8bca87101d630ebcb40d. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e3b98eef2685c5cbc4438d7c3aa8ba25fb9b65153a0a8bca87101d630ebcb40d
SHA3-384 hash: 4ff9f6cced679f47e3c122be63b3cdf96d28eda035a3c30bb53655aeae7ef30aad0ec4c987a805e0dfc92341666cdf44
SHA1 hash: fe20c2f52e9ecf4d7c2999a1bd7d89a305042c21
MD5 hash: 48d744d20061810757a37f4f6b5cae9b
humanhash: music-lithium-idaho-twelve
File name:SOA AUG 2021.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:837'632 bytes
First seen:2021-09-23 05:17:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:BM5xiZhsOqto+AuiU2+5k53znzMbVCG1:BYxGhy2gIzobcG
Threatray 10'162 similar samples on MalwareBazaar
TLSH T1510526394D2682F747EEC66CD08C1FCEEEA6A4837B915F1AC496D7D2025B70BE48845C
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
164
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA AUG 2021.exe
Verdict:
Malicious activity
Analysis date:
2021-09-23 05:18:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3c4bda80-1092-40f6-9507-653165420dfe

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/190465/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1037-1.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/56aefbac-2008-460b-b00c-5dc06f7f0fd2
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/856162
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
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
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 (e.g. based on Emerging Threat rules)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 488591 Sample: SOA AUG 2021.exe Startdate: 23/09/2021 Architecture: WINDOWS Score: 100 42 mail.afciphil.com.ph 2->42 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 10 other signatures 2->58 8 SOA AUG 2021.exe 6 2->8         started        12 kprUEGC.exe 5 2->12         started        14 kprUEGC.exe 2 2->14         started        signatures3 process4 file5 36 C:\Users\user\AppData\Roaming\skWjpzEbh.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmp6F6A.tmp, XML 8->38 dropped 40 C:\Users\user\...\SOA AUG 2021.exe.log, ASCII 8->40 dropped 60 Injects a PE file into a foreign processes 8->60 16 SOA AUG 2021.exe 2 5 8->16         started        20 schtasks.exe 1 8->20         started        62 Multi AV Scanner detection for dropped file 12->62 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->64 66 Machine Learning detection for dropped file 12->66 68 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->68 22 schtasks.exe 1 12->22         started        24 kprUEGC.exe 2 12->24         started        signatures6 process7 file8 30 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 16->30 dropped 32 C:\Windows\System32\drivers\etc\hosts, ASCII 16->32 dropped 34 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 16->34 dropped 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->44 46 Tries to steal Mail credentials (via file access) 16->46 48 Tries to harvest and steal ftp login credentials 16->48 50 3 other signatures 16->50 26 conhost.exe 20->26         started        28 conhost.exe 22->28         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e3b98eef2685c5cbc4438d7c3aa8ba25fb9b65153a0a8bca87101d630ebcb40d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-23 02:55:07 UTC
AV detection:
12 of 45 (26.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4o4y53zgqxc4xrcdrv6dvkf2ex5zwzivhifixsuhcaowgdv4wqgq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
025520459a04813603425329129f22a3498902fe73138b567c4ceee9229c547b
AgentTesla
35e2bf6106a7af258db10d76a44aadd9ac5f2187fe46de6131129b94da9a05f0
AgentTesla
4d95a2a4536ef058cccd8ac846bd2dd906fcbcd87fe6579b9918632402d04def
AgentTesla
a02a26b34754f90d08456f2abced2e22e50ad88bd514468326a9f97fc9c56e6c
AgentTesla
a7b266edf9abd1b58d82379aa2852e641022d390099cec092d4f94450a6116a1
AgentTesla
dbb86026ffeef97385daa7d9eecec9485611e33383fbdf90a5b91f8841ffa6e8
AgentTesla
+ 10'152 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/210923-fy9ypshccn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
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 Payload
AgentTesla
Contains code to disable Windows Defender
Unpacked files
SH256 hash:
9323fd2bd921244c42e2447ee2245e83f1971ff2ff13ffe5854b655d973b8446
MD5 hash:
d7ffe2594091c01c79ef147b4ff19f06
SHA1 hash:
f5675061ad4b36daa3b56eb53a21f409fad2c02f
Link:
https://www.unpac.me/results/967d64d0-7dd6-41d3-ab88-1fc5c4acb670/
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
Link:
https://www.unpac.me/results/967d64d0-7dd6-41d3-ab88-1fc5c4acb670/
SH256 hash:
183e1832c9044af582b0eb6924a6888fb18ccf148b150860a102ca8e685adcde
MD5 hash:
c7cb4e18a436f95588dc02cc6ecc5e05
SHA1 hash:
419adf51fd614c6f1b2f16b19779fa91bbbb7bef
Link:
https://www.unpac.me/results/967d64d0-7dd6-41d3-ab88-1fc5c4acb670/
SH256 hash:
e3b98eef2685c5cbc4438d7c3aa8ba25fb9b65153a0a8bca87101d630ebcb40d
MD5 hash:
48d744d20061810757a37f4f6b5cae9b
SHA1 hash:
fe20c2f52e9ecf4d7c2999a1bd7d89a305042c21
Link:
https://www.unpac.me/results/967d64d0-7dd6-41d3-ab88-1fc5c4acb670/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/e3b98eef2685c5cbc4438d7c3aa8ba25fb9b65153a0a8bca87101d630ebcb40d

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.

Malspam

AgentTesla

Executable exe e3b98eef2685c5cbc4438d7c3aa8ba25fb9b65153a0a8bca87101d630ebcb40d

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/190465/

Comments