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Analysis
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max time kernel
147s -
max time network
56s -
platform
windows7_x64 -
resource
win7 -
submitted
08/07/2020, 10:10
Static task
static1
Behavioral task
behavioral1
Sample
Quotation.exe
Resource
win7
Behavioral task
behavioral2
Sample
Quotation.exe
Resource
win10v200430
General
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Target
Quotation.exe
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Size
431KB
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MD5
deceda9833ced5d4a565385fd60ce0aa
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SHA1
29f9ae1c605d753e1ffcd156b17d4907849f8079
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SHA256
4e4f9a06f2544bb63460caaf2aeb35875d71c2c644060a12b8bb28bbf878eb61
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SHA512
411e9b584e9be4c8ad0a70c9cb613925ce3fb5ddc45ae31ea09adff919b983b1237b461fe12465081850eb83810d3539b98a6c3641c197787bf837807d9081f3
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.mexicanproduct.com.mx - Port:
587 - Username:
[email protected] - Password:
Produccion2020.
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/1532-2-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla behavioral1/memory/1532-3-0x000000000044983E-mapping.dmp family_agenttesla behavioral1/memory/1532-4-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla behavioral1/memory/1532-5-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 240 set thread context of 1532 240 Quotation.exe 26 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 1060 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 240 Quotation.exe 1532 RegSvcs.exe 1532 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 240 Quotation.exe Token: SeDebugPrivilege 1532 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1532 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 240 wrote to memory of 1060 240 Quotation.exe 24 PID 240 wrote to memory of 1060 240 Quotation.exe 24 PID 240 wrote to memory of 1060 240 Quotation.exe 24 PID 240 wrote to memory of 1060 240 Quotation.exe 24 PID 240 wrote to memory of 1532 240 Quotation.exe 26 PID 240 wrote to memory of 1532 240 Quotation.exe 26 PID 240 wrote to memory of 1532 240 Quotation.exe 26 PID 240 wrote to memory of 1532 240 Quotation.exe 26 PID 240 wrote to memory of 1532 240 Quotation.exe 26 PID 240 wrote to memory of 1532 240 Quotation.exe 26 PID 240 wrote to memory of 1532 240 Quotation.exe 26 PID 240 wrote to memory of 1532 240 Quotation.exe 26 PID 240 wrote to memory of 1532 240 Quotation.exe 26 PID 240 wrote to memory of 1532 240 Quotation.exe 26 PID 240 wrote to memory of 1532 240 Quotation.exe 26 PID 240 wrote to memory of 1532 240 Quotation.exe 26
Processes
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C:\Users\Admin\AppData\Local\Temp\Quotation.exe"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:240 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OyGeqxcCKQGZk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB309.tmp"2⤵
- Creates scheduled task(s)
PID:1060
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1532
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