Analysis
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max time kernel
119s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
11/10/2023, 11:13
Static task
static1
Behavioral task
behavioral1
Sample
P49XEDXP.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
P49XEDXP.exe
Resource
win10v2004-20230915-en
General
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Target
P49XEDXP.exe
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Size
673KB
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MD5
246dfe01a3d696416f9a4a308f489eba
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SHA1
703cf423ebcbb7955599335da80dbb108558cf5a
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SHA256
0fe7923d0108d2d02c79b876c62a33e1e6b2a438080a95b151feeb2a067e8401
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SHA512
70a9edd2aa95b1e0732118ae5965aabf18d163c0434e8afb3be7cc1f5f07b6234149ceaa7585b3e5a95d127ab91c2ff149ccf292fd21e13c447330279f6fb8b0
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SSDEEP
12288:qVj3hLQvfdxOo7gpXtr0IF725rKTv8djGoNrhch2cEXWzrHzLVj1HnO0FyhCK1Xz:9IMkTv8VxNch9ZzrHJ1HnO0BK1hINJ
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.sitraco.org.ng - Port:
587 - Username:
[email protected] - Password:
MEZIEMILLY1000$ - 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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 P49XEDXP.exe Key opened \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 P49XEDXP.exe Key opened \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 P49XEDXP.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows\CurrentVersion\Run\aATUsVt = "C:\\Users\\Admin\\AppData\\Roaming\\aATUsVt\\aATUsVt.exe" P49XEDXP.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2692 set thread context of 2508 2692 P49XEDXP.exe 34 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2604 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2692 P49XEDXP.exe 2692 P49XEDXP.exe 2508 P49XEDXP.exe 2508 P49XEDXP.exe 2456 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2692 P49XEDXP.exe Token: SeDebugPrivilege 2508 P49XEDXP.exe Token: SeDebugPrivilege 2456 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2508 P49XEDXP.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2692 wrote to memory of 2456 2692 P49XEDXP.exe 30 PID 2692 wrote to memory of 2456 2692 P49XEDXP.exe 30 PID 2692 wrote to memory of 2456 2692 P49XEDXP.exe 30 PID 2692 wrote to memory of 2456 2692 P49XEDXP.exe 30 PID 2692 wrote to memory of 2604 2692 P49XEDXP.exe 32 PID 2692 wrote to memory of 2604 2692 P49XEDXP.exe 32 PID 2692 wrote to memory of 2604 2692 P49XEDXP.exe 32 PID 2692 wrote to memory of 2604 2692 P49XEDXP.exe 32 PID 2692 wrote to memory of 2508 2692 P49XEDXP.exe 34 PID 2692 wrote to memory of 2508 2692 P49XEDXP.exe 34 PID 2692 wrote to memory of 2508 2692 P49XEDXP.exe 34 PID 2692 wrote to memory of 2508 2692 P49XEDXP.exe 34 PID 2692 wrote to memory of 2508 2692 P49XEDXP.exe 34 PID 2692 wrote to memory of 2508 2692 P49XEDXP.exe 34 PID 2692 wrote to memory of 2508 2692 P49XEDXP.exe 34 PID 2692 wrote to memory of 2508 2692 P49XEDXP.exe 34 PID 2692 wrote to memory of 2508 2692 P49XEDXP.exe 34 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 P49XEDXP.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-86725733-3001458681-3405935542-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 P49XEDXP.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\P49XEDXP.exe"C:\Users\Admin\AppData\Local\Temp\P49XEDXP.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2692 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PEbRcZF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2456
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PEbRcZF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp10A4.tmp"2⤵
- Creates scheduled task(s)
PID:2604
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C:\Users\Admin\AppData\Local\Temp\P49XEDXP.exe"C:\Users\Admin\AppData\Local\Temp\P49XEDXP.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2508
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD584d5819502a4794444ac8b19d5f94e87
SHA19b83836f8e438baf85bc609822a12252e2a90994
SHA2563b4352f0933fc8d11aba7d27a29a4b5e93e6b9ab3c0cc1ecca1404cd156f4321
SHA5122fc967dbd63ee3f4b980ec82b613781bb609c3b4e9ce3375bfcef4dd2dcad4aa7ddff44df4c0cb84316930936359bc520d7560a864e0d84e42b443d582da5f1f