Analysis
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max time kernel
120s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23-05-2024 15:52
Static task
static1
Behavioral task
behavioral1
Sample
30% Down Payment Slip.pdf_______________________________________________________.exe
Resource
win7-20240221-en
General
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Target
30% Down Payment Slip.pdf_______________________________________________________.exe
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Size
672KB
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MD5
b61f68ef968ddae3a9743437fdd26f88
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SHA1
3af6f1f6047cbe9319239875f7cc601185d32c94
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SHA256
7d7df676602a9235025bdcc7f5e550d532f294d6e4bd2195e12390e342bccd32
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SHA512
1d86da57cfaf9697cda684c294da9cc71525e4cc51d9eb8c73eff182ddac5644c2a28887328d408c0e3d12583eba57ce525d08069a28da438475cb9817b33778
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SSDEEP
12288:JzDi8LkpEaNB+shFpO31Yw3v2KL9sfHdYrtnoWTKx7FO/fv0Qsb/LkR:JzmjEcB+sbpoSw3JCdY19mQ/fv0QW/O
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.mayedasselectromech.com - Port:
587 - Username:
[email protected] - Password:
India@2014 - 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.
Processes:
powershell.exepowershell.exepid process 2608 powershell.exe 2516 powershell.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.
Processes:
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
30% Down Payment Slip.pdf_______________________________________________________.exedescription pid process target process PID 2904 set thread context of 2420 2904 30% Down Payment Slip.pdf_______________________________________________________.exe RegSvcs.exe -
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.
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Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
30% Down Payment Slip.pdf_______________________________________________________.exeRegSvcs.exepowershell.exepowershell.exepid process 2904 30% Down Payment Slip.pdf_______________________________________________________.exe 2904 30% Down Payment Slip.pdf_______________________________________________________.exe 2904 30% Down Payment Slip.pdf_______________________________________________________.exe 2420 RegSvcs.exe 2420 RegSvcs.exe 2608 powershell.exe 2516 powershell.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
30% Down Payment Slip.pdf_______________________________________________________.exeRegSvcs.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 2904 30% Down Payment Slip.pdf_______________________________________________________.exe Token: SeDebugPrivilege 2420 RegSvcs.exe Token: SeDebugPrivilege 2608 powershell.exe Token: SeDebugPrivilege 2516 powershell.exe -
Suspicious use of WriteProcessMemory 24 IoCs
Processes:
30% Down Payment Slip.pdf_______________________________________________________.exedescription pid process target process PID 2904 wrote to memory of 2608 2904 30% Down Payment Slip.pdf_______________________________________________________.exe powershell.exe PID 2904 wrote to memory of 2608 2904 30% Down Payment Slip.pdf_______________________________________________________.exe powershell.exe PID 2904 wrote to memory of 2608 2904 30% Down Payment Slip.pdf_______________________________________________________.exe powershell.exe PID 2904 wrote to memory of 2608 2904 30% Down Payment Slip.pdf_______________________________________________________.exe powershell.exe PID 2904 wrote to memory of 2516 2904 30% Down Payment Slip.pdf_______________________________________________________.exe powershell.exe PID 2904 wrote to memory of 2516 2904 30% Down Payment Slip.pdf_______________________________________________________.exe powershell.exe PID 2904 wrote to memory of 2516 2904 30% Down Payment Slip.pdf_______________________________________________________.exe powershell.exe PID 2904 wrote to memory of 2516 2904 30% Down Payment Slip.pdf_______________________________________________________.exe powershell.exe PID 2904 wrote to memory of 2372 2904 30% Down Payment Slip.pdf_______________________________________________________.exe schtasks.exe PID 2904 wrote to memory of 2372 2904 30% Down Payment Slip.pdf_______________________________________________________.exe schtasks.exe PID 2904 wrote to memory of 2372 2904 30% Down Payment Slip.pdf_______________________________________________________.exe schtasks.exe PID 2904 wrote to memory of 2372 2904 30% Down Payment Slip.pdf_______________________________________________________.exe schtasks.exe PID 2904 wrote to memory of 2420 2904 30% Down Payment Slip.pdf_______________________________________________________.exe RegSvcs.exe PID 2904 wrote to memory of 2420 2904 30% Down Payment Slip.pdf_______________________________________________________.exe RegSvcs.exe PID 2904 wrote to memory of 2420 2904 30% Down Payment Slip.pdf_______________________________________________________.exe RegSvcs.exe PID 2904 wrote to memory of 2420 2904 30% Down Payment Slip.pdf_______________________________________________________.exe RegSvcs.exe PID 2904 wrote to memory of 2420 2904 30% Down Payment Slip.pdf_______________________________________________________.exe RegSvcs.exe PID 2904 wrote to memory of 2420 2904 30% Down Payment Slip.pdf_______________________________________________________.exe RegSvcs.exe PID 2904 wrote to memory of 2420 2904 30% Down Payment Slip.pdf_______________________________________________________.exe RegSvcs.exe PID 2904 wrote to memory of 2420 2904 30% Down Payment Slip.pdf_______________________________________________________.exe RegSvcs.exe PID 2904 wrote to memory of 2420 2904 30% Down Payment Slip.pdf_______________________________________________________.exe RegSvcs.exe PID 2904 wrote to memory of 2420 2904 30% Down Payment Slip.pdf_______________________________________________________.exe RegSvcs.exe PID 2904 wrote to memory of 2420 2904 30% Down Payment Slip.pdf_______________________________________________________.exe RegSvcs.exe PID 2904 wrote to memory of 2420 2904 30% Down Payment Slip.pdf_______________________________________________________.exe RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\30% Down Payment Slip.pdf_______________________________________________________.exe"C:\Users\Admin\AppData\Local\Temp\30% Down Payment Slip.pdf_______________________________________________________.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2904 -
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\30% Down Payment Slip.pdf_______________________________________________________.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2608 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Jdysdl.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2516 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Jdysdl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCF02.tmp"2⤵
- Creates scheduled task(s)
PID:2372 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2420
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpCF02.tmpFilesize
1KB
MD525b388408418d7eb2d7d64357ec7bb08
SHA185e2aa428f0678940d6e331d689caa0e870513aa
SHA256c9974454f52648353c87c63da58ee586ee606832c8d9437702494f19ca632f68
SHA51249243ea998a77d7b104425676916ee958c86f220ee1de154010782d90b02db8f68b77efd889dead82cb14d051a92404fcc6efd029366a4b56b240548b35a6678
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\HFFW136QPFFDCYHXPQYZ.tempFilesize
7KB
MD562d5a484e07ac71f39d0ac1baa47ffa0
SHA1fe72caa12225ee9788bb46c0103d023785ce501e
SHA256a35c4db9051308c31a2c0e87a0ff7cc00b785edad670575c1463780cf1a369cd
SHA512fe602065ac2310cda9308d2372e31f47fb6acb3d51c555a10c6308d2ccd9131280c8a5db9e644f394ae8c896b2ea4341137c244c416ac912171529ee8b165721
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memory/2420-27-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2420-18-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2420-20-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2420-22-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2420-24-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2420-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/2420-28-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2420-30-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2904-4-0x00000000003B0000-0x00000000003C0000-memory.dmpFilesize
64KB
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memory/2904-5-0x0000000005170000-0x00000000051F2000-memory.dmpFilesize
520KB
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memory/2904-31-0x0000000074340000-0x0000000074A2E000-memory.dmpFilesize
6.9MB
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memory/2904-0-0x000000007434E000-0x000000007434F000-memory.dmpFilesize
4KB
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memory/2904-3-0x0000000000480000-0x000000000049A000-memory.dmpFilesize
104KB
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memory/2904-2-0x0000000074340000-0x0000000074A2E000-memory.dmpFilesize
6.9MB
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memory/2904-1-0x00000000010B0000-0x000000000115A000-memory.dmpFilesize
680KB