Analysis
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max time kernel
143s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
29/08/2023, 15:10
Static task
static1
Behavioral task
behavioral1
Sample
kTg1jSEh7699WIj.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
kTg1jSEh7699WIj.exe
Resource
win10v2004-20230703-en
General
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Target
kTg1jSEh7699WIj.exe
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Size
711KB
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MD5
85e8c0d50d714e0e0102724f2abe9965
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SHA1
a0b8e27c0e6e905cc34c62f39a544973d7b17a7e
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SHA256
d80553d0154e6796beb27196164a28db62c57be2fc5033678d08510da2bfb732
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SHA512
5ce6713dab212c22170dce6751672b3c73f3ee3cc06dff24b74efe7e0f8ca96c88b7f5b44a405a6f80df536347c3da51460a7a05f88199ac592b7021e531e1a1
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SSDEEP
12288:V0dC0hj45NEd5KAhjwUNNOlElUYzhAV7QZ8boQX6/0qCYpEPNoaHmoN+F:V0QSjuNEd5KoulEmKWY8bLe0spkoZ6+
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.resaleroffice.com - Port:
587 - Username:
[email protected] - Password:
ruben000 - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FileData = "C:\\Users\\Admin\\AppData\\Local\\Temp\\FileData\\FileData.exe" kTg1jSEh7699WIj.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 31 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3448 set thread context of 488 3448 kTg1jSEh7699WIj.exe 93 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 488 kTg1jSEh7699WIj.exe 488 kTg1jSEh7699WIj.exe 2180 powershell.exe 2180 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 488 kTg1jSEh7699WIj.exe Token: SeDebugPrivilege 2180 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 488 kTg1jSEh7699WIj.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3448 wrote to memory of 2180 3448 kTg1jSEh7699WIj.exe 91 PID 3448 wrote to memory of 2180 3448 kTg1jSEh7699WIj.exe 91 PID 3448 wrote to memory of 2180 3448 kTg1jSEh7699WIj.exe 91 PID 3448 wrote to memory of 488 3448 kTg1jSEh7699WIj.exe 93 PID 3448 wrote to memory of 488 3448 kTg1jSEh7699WIj.exe 93 PID 3448 wrote to memory of 488 3448 kTg1jSEh7699WIj.exe 93 PID 3448 wrote to memory of 488 3448 kTg1jSEh7699WIj.exe 93 PID 3448 wrote to memory of 488 3448 kTg1jSEh7699WIj.exe 93 PID 3448 wrote to memory of 488 3448 kTg1jSEh7699WIj.exe 93 PID 3448 wrote to memory of 488 3448 kTg1jSEh7699WIj.exe 93 PID 3448 wrote to memory of 488 3448 kTg1jSEh7699WIj.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\kTg1jSEh7699WIj.exe"C:\Users\Admin\AppData\Local\Temp\kTg1jSEh7699WIj.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3448 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\kTg1jSEh7699WIj.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2180
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C:\Users\Admin\AppData\Local\Temp\kTg1jSEh7699WIj.exe"C:\Users\Admin\AppData\Local\Temp\kTg1jSEh7699WIj.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:488
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82