Analysis
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max time kernel
118s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
03/04/2024, 11:15
Static task
static1
Behavioral task
behavioral1
Sample
PO-24-0146.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
PO-24-0146.exe
Resource
win10v2004-20240226-en
General
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Target
PO-24-0146.exe
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Size
635KB
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MD5
97a1f463d7892e916c06e18e772be8ea
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SHA1
a9b8899a1f18739f90be637c4c9e5969a3bad0f8
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SHA256
4d71dea7fedeac5da79730368e3e524f82efcfa368293651bf6c0bb0e423eb8c
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SHA512
ea6c51f72491ea7bebe2c8ee19d6672a83c946e9d7d564fc512d9e6a08055bc4728b0f08b135641622d8e4bbcd05f2b912418aed75302460367f311e47fe98ad
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SSDEEP
12288:ZtsZcDt2CkcMtutKe6KJnl0umT4aRZbzXBRb9ZPD4:MMofluLzmTLPPD4
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.issltd.org - Port:
587 - Username:
[email protected] - Password:
iss123 - 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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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 2976 set thread context of 2004 2976 PO-24-0146.exe 35 -
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 2796 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 2976 PO-24-0146.exe 2976 PO-24-0146.exe 2976 PO-24-0146.exe 2976 PO-24-0146.exe 2976 PO-24-0146.exe 2004 PO-24-0146.exe 2004 PO-24-0146.exe 2836 powershell.exe 2736 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 2976 PO-24-0146.exe Token: SeDebugPrivilege 2004 PO-24-0146.exe Token: SeDebugPrivilege 2836 powershell.exe Token: SeDebugPrivilege 2736 powershell.exe -
Suspicious use of WriteProcessMemory 25 IoCs
description pid Process procid_target PID 2976 wrote to memory of 2736 2976 PO-24-0146.exe 28 PID 2976 wrote to memory of 2736 2976 PO-24-0146.exe 28 PID 2976 wrote to memory of 2736 2976 PO-24-0146.exe 28 PID 2976 wrote to memory of 2736 2976 PO-24-0146.exe 28 PID 2976 wrote to memory of 2836 2976 PO-24-0146.exe 30 PID 2976 wrote to memory of 2836 2976 PO-24-0146.exe 30 PID 2976 wrote to memory of 2836 2976 PO-24-0146.exe 30 PID 2976 wrote to memory of 2836 2976 PO-24-0146.exe 30 PID 2976 wrote to memory of 2796 2976 PO-24-0146.exe 32 PID 2976 wrote to memory of 2796 2976 PO-24-0146.exe 32 PID 2976 wrote to memory of 2796 2976 PO-24-0146.exe 32 PID 2976 wrote to memory of 2796 2976 PO-24-0146.exe 32 PID 2976 wrote to memory of 2368 2976 PO-24-0146.exe 34 PID 2976 wrote to memory of 2368 2976 PO-24-0146.exe 34 PID 2976 wrote to memory of 2368 2976 PO-24-0146.exe 34 PID 2976 wrote to memory of 2368 2976 PO-24-0146.exe 34 PID 2976 wrote to memory of 2004 2976 PO-24-0146.exe 35 PID 2976 wrote to memory of 2004 2976 PO-24-0146.exe 35 PID 2976 wrote to memory of 2004 2976 PO-24-0146.exe 35 PID 2976 wrote to memory of 2004 2976 PO-24-0146.exe 35 PID 2976 wrote to memory of 2004 2976 PO-24-0146.exe 35 PID 2976 wrote to memory of 2004 2976 PO-24-0146.exe 35 PID 2976 wrote to memory of 2004 2976 PO-24-0146.exe 35 PID 2976 wrote to memory of 2004 2976 PO-24-0146.exe 35 PID 2976 wrote to memory of 2004 2976 PO-24-0146.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2976 -
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\PO-24-0146.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2736
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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\jIlwbG.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2836
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jIlwbG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp94A1.tmp"2⤵
- Creates scheduled task(s)
PID:2796
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C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"2⤵PID:2368
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C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"C:\Users\Admin\AppData\Local\Temp\PO-24-0146.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2004
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5831e5e4bdf6e80af3e388f517a912a94
SHA18f5e4d2fa706e0ddd7d2ca883c6ae7efa720142e
SHA256a5f1a0fa7c9a1455e1a96ae08d0866c6b9b684277b7c4c7cdeba2f6027de5562
SHA512461857486bf1b52b41e7876f63d00f14397d05adba04cd82a3913e92b5fffee1b6204e39f49a8100678f3c8e67fd403b71c45399a6b5733920cb0112598da199
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\R9Q733Z72OZVGIAXXTC1.temp
Filesize7KB
MD5e1ca267db593f7e6ae38e7693d2890d7
SHA1ecad9531bdde978972f61f57e7bb5cadb2244d43
SHA256bfd790bc68db3429cfc118dab05dc8bf97e75a797855f363c3a6408c0def9205
SHA512591fd0a059953a96f74962c21d7d8d82b502f374adad9de9794e66295e4d112f615eaa9b5126105f3326d7b837f21dbf72d2df9f272397079664e7cc07ae9ebf