Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
04-10-2024 13:18
Static task
static1
Behavioral task
behavioral1
Sample
FYCC new order S460013746-560121121.exe
Resource
win7-20240903-en
General
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Target
FYCC new order S460013746-560121121.exe
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Size
920KB
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MD5
78eff09f295aa4b3aaf36af5245efe94
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SHA1
dea545e8b85f2c1201f7aa3a54f643826ca8a6ed
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SHA256
38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106
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SHA512
a8b49247156aa7004206f24211054f7f37c73df06e8a85ecf843e9c44cc99a5cf29886e85ba03d89a87a1d3968322c25cdef7877ae6c5efcfa946910204ce67f
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SSDEEP
12288:T3TEG/N9AKPGu+MAyn6+6Slh5/2qVe2lR8XaZW4IaBAP7r9r/+ppppppppppppp7:8AnAPRo6+pPOnoR8X2W4JBA1q
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.iaa-airferight.com - Port:
587 - Username:
[email protected] - Password:
manlikeyou88 - 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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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 2920 powershell.exe 2524 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation FYCC new order S460013746-560121121.exe -
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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1728 set thread context of 4008 1728 FYCC new order S460013746-560121121.exe 93 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FYCC new order S460013746-560121121.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language FYCC new order S460013746-560121121.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1272 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2920 powershell.exe 2524 powershell.exe 4008 FYCC new order S460013746-560121121.exe 4008 FYCC new order S460013746-560121121.exe 2524 powershell.exe 2920 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2920 powershell.exe Token: SeDebugPrivilege 2524 powershell.exe Token: SeDebugPrivilege 4008 FYCC new order S460013746-560121121.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1728 wrote to memory of 2920 1728 FYCC new order S460013746-560121121.exe 86 PID 1728 wrote to memory of 2920 1728 FYCC new order S460013746-560121121.exe 86 PID 1728 wrote to memory of 2920 1728 FYCC new order S460013746-560121121.exe 86 PID 1728 wrote to memory of 2524 1728 FYCC new order S460013746-560121121.exe 88 PID 1728 wrote to memory of 2524 1728 FYCC new order S460013746-560121121.exe 88 PID 1728 wrote to memory of 2524 1728 FYCC new order S460013746-560121121.exe 88 PID 1728 wrote to memory of 1272 1728 FYCC new order S460013746-560121121.exe 90 PID 1728 wrote to memory of 1272 1728 FYCC new order S460013746-560121121.exe 90 PID 1728 wrote to memory of 1272 1728 FYCC new order S460013746-560121121.exe 90 PID 1728 wrote to memory of 4008 1728 FYCC new order S460013746-560121121.exe 93 PID 1728 wrote to memory of 4008 1728 FYCC new order S460013746-560121121.exe 93 PID 1728 wrote to memory of 4008 1728 FYCC new order S460013746-560121121.exe 93 PID 1728 wrote to memory of 4008 1728 FYCC new order S460013746-560121121.exe 93 PID 1728 wrote to memory of 4008 1728 FYCC new order S460013746-560121121.exe 93 PID 1728 wrote to memory of 4008 1728 FYCC new order S460013746-560121121.exe 93 PID 1728 wrote to memory of 4008 1728 FYCC new order S460013746-560121121.exe 93 PID 1728 wrote to memory of 4008 1728 FYCC new order S460013746-560121121.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\FYCC new order S460013746-560121121.exe"C:\Users\Admin\AppData\Local\Temp\FYCC new order S460013746-560121121.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1728 -
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\FYCC new order S460013746-560121121.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2920
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zriEHRxkd.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2524
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zriEHRxkd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA6EE.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1272
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C:\Users\Admin\AppData\Local\Temp\FYCC new order S460013746-560121121.exe"C:\Users\Admin\AppData\Local\Temp\FYCC new order S460013746-560121121.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4008
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Network
MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD57e60322b6406271e2a4b499690605c88
SHA1a658cf56a85b7520d074e602a1ed51a81c89fb75
SHA2569b8f680a4db3ba8cbb252d62a0db0c913dbb3668fc41bfcd67c6bb6c6f09ecea
SHA5124d809a5d66599304c19b823c360be9c0d9b5cc9d3709ad584fff6ceda03df92ee914ed2d472e3a75ebda28d35ec3f408d12ff043917904f0d48d726b04b6d114
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD50a309b128c1dec3bad11079c474925ad
SHA1b9af45828e96173ff1a6defba81e548437607059
SHA25615757d67828e1c0be15555e621dfcdad3b0c3967a98c531355a8f1dc78ad09b2
SHA51251d9857b72bf48fa0e2d83b86ed268f58dac6b51171e8d8f40ac4f59514c4bb5b13fa64cede2fce95fa600e5bd84a8ca7a2a807c2dbb644da69e74e589831680