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Analysis
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max time kernel
121s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
18/11/2023, 02:48
Static task
static1
Behavioral task
behavioral1
Sample
INV and PAK.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
INV and PAK.exe
Resource
win10v2004-20231020-en
General
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Target
INV and PAK.exe
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Size
884KB
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MD5
7407a2849f0a33f95b2b27b48415e9be
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SHA1
8544e9fdc67a0635c155756eb346080b61c6f4a0
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SHA256
3c5e1993db8f454b72132cc7dd4b9180dccaa415b2fa9d0c8d55f768ebeffab4
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SHA512
df28bafd79322959c6644246211d7dfb120f6b820fecc94e883f6f3efbb5fcc564574dfdcb068c1accd906fcf99ce73495ab374c530941d0290d375bafcffef7
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SSDEEP
12288:hO71EuPUpEZA/jGrOrt5KC4uvBHWwWvtmLMdhovYOtk3Gr:ha1XUpE2GrcXKCFWwWv0vG
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.premiermotor.com.bn - Port:
587 - Username:
[email protected] - Password:
e3Q9hj?1 - 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-1-5-21-2084844033-2744876406-2053742436-1000\Software\Microsoft\Windows\CurrentVersion\Run\HqAJrII = "C:\\Users\\Admin\\AppData\\Roaming\\HqAJrII\\HqAJrII.exe" INV and PAK.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 2 api.ipify.org 3 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 796 set thread context of 2660 796 INV and PAK.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 2820 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 796 INV and PAK.exe 796 INV and PAK.exe 796 INV and PAK.exe 796 INV and PAK.exe 796 INV and PAK.exe 2660 INV and PAK.exe 2660 INV and PAK.exe 2808 powershell.exe 2024 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 796 INV and PAK.exe Token: SeDebugPrivilege 2660 INV and PAK.exe Token: SeDebugPrivilege 2024 powershell.exe Token: SeDebugPrivilege 2808 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 796 wrote to memory of 2024 796 INV and PAK.exe 28 PID 796 wrote to memory of 2024 796 INV and PAK.exe 28 PID 796 wrote to memory of 2024 796 INV and PAK.exe 28 PID 796 wrote to memory of 2024 796 INV and PAK.exe 28 PID 796 wrote to memory of 2808 796 INV and PAK.exe 30 PID 796 wrote to memory of 2808 796 INV and PAK.exe 30 PID 796 wrote to memory of 2808 796 INV and PAK.exe 30 PID 796 wrote to memory of 2808 796 INV and PAK.exe 30 PID 796 wrote to memory of 2820 796 INV and PAK.exe 33 PID 796 wrote to memory of 2820 796 INV and PAK.exe 33 PID 796 wrote to memory of 2820 796 INV and PAK.exe 33 PID 796 wrote to memory of 2820 796 INV and PAK.exe 33 PID 796 wrote to memory of 2660 796 INV and PAK.exe 34 PID 796 wrote to memory of 2660 796 INV and PAK.exe 34 PID 796 wrote to memory of 2660 796 INV and PAK.exe 34 PID 796 wrote to memory of 2660 796 INV and PAK.exe 34 PID 796 wrote to memory of 2660 796 INV and PAK.exe 34 PID 796 wrote to memory of 2660 796 INV and PAK.exe 34 PID 796 wrote to memory of 2660 796 INV and PAK.exe 34 PID 796 wrote to memory of 2660 796 INV and PAK.exe 34 PID 796 wrote to memory of 2660 796 INV and PAK.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\INV and PAK.exe"C:\Users\Admin\AppData\Local\Temp\INV and PAK.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:796 -
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\INV and PAK.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2024
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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\uqumkjYYrsC.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2808
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uqumkjYYrsC" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA5A2.tmp"2⤵
- Creates scheduled task(s)
PID:2820
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C:\Users\Admin\AppData\Local\Temp\INV and PAK.exe"C:\Users\Admin\AppData\Local\Temp\INV and PAK.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2660
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5287c1cba56264269b4ee04805506d46a
SHA1fe0a758c51268eaab592f3e966c0c85a2f2b0757
SHA2568ebaf9beedc77e57ab76ec93db217ad1bba6f178820f04fa1a45a76620804d1f
SHA5121d7fe55df7fd28f98fb97c8a3c16af6129e7a6d499c119843a8f76ef24c6e02e46134bbb7502acccdc3f1df92d0ba96e0cf9b5135e1781d400860ab542031e50
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\JFJ2HYSWNAHOZPP83NDG.temp
Filesize7KB
MD52c6383ddc4488e514be5c72fb3ac2fea
SHA1338f63446c7f7296a434ebba13bc246bfb20f1f6
SHA256c8beab0d795ecd7ddbc5039e1ae7991fba1633ad3835c01cce298b2829efe3a7
SHA512f0e9de0b85b8d7a960bd36cc243dedab1b18cc6a69bcb55b0cf737987be21053d8309322f78ff045d5f09877b0f33001a078b4181aa6821056d595f748a79e4e
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
Filesize7KB
MD52c6383ddc4488e514be5c72fb3ac2fea
SHA1338f63446c7f7296a434ebba13bc246bfb20f1f6
SHA256c8beab0d795ecd7ddbc5039e1ae7991fba1633ad3835c01cce298b2829efe3a7
SHA512f0e9de0b85b8d7a960bd36cc243dedab1b18cc6a69bcb55b0cf737987be21053d8309322f78ff045d5f09877b0f33001a078b4181aa6821056d595f748a79e4e