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Analysis
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max time kernel
147s -
max time network
41s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
13/07/2020, 06:23
Static task
static1
Behavioral task
behavioral1
Sample
nova narud#U017eba.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
nova narud#U017eba.exe
Resource
win10
General
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Target
nova narud#U017eba.exe
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Size
321KB
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MD5
a35772d14e29eff85dcd2d5fc74ab08c
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SHA1
b1b5f8f29619273be7e5ea1fc360bd5634f8fb13
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SHA256
6ce07f9854b3d9f983265569f34a640a9f274c1bfd30fcba4b6bb64c957ecc54
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SHA512
24a531f25744ce69269fec48b13337c3711f65d16b989369780cfe609a25cbce86c6a9d8df5b678c0688ad62a7d6ca2dc61c66865f2c44dce85a89da5d2db46e
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
chosen@@@123
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/1824-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1824-5-0x0000000000446DBE-mapping.dmp family_agenttesla behavioral1/memory/1824-6-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1824-7-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1252 set thread context of 1824 1252 nova narud#U017eba.exe 28 -
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 1784 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1252 nova narud#U017eba.exe 1824 RegSvcs.exe 1824 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1252 nova narud#U017eba.exe Token: SeDebugPrivilege 1824 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1824 RegSvcs.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1252 wrote to memory of 1784 1252 nova narud#U017eba.exe 26 PID 1252 wrote to memory of 1784 1252 nova narud#U017eba.exe 26 PID 1252 wrote to memory of 1784 1252 nova narud#U017eba.exe 26 PID 1252 wrote to memory of 1784 1252 nova narud#U017eba.exe 26 PID 1252 wrote to memory of 1824 1252 nova narud#U017eba.exe 28 PID 1252 wrote to memory of 1824 1252 nova narud#U017eba.exe 28 PID 1252 wrote to memory of 1824 1252 nova narud#U017eba.exe 28 PID 1252 wrote to memory of 1824 1252 nova narud#U017eba.exe 28 PID 1252 wrote to memory of 1824 1252 nova narud#U017eba.exe 28 PID 1252 wrote to memory of 1824 1252 nova narud#U017eba.exe 28 PID 1252 wrote to memory of 1824 1252 nova narud#U017eba.exe 28 PID 1252 wrote to memory of 1824 1252 nova narud#U017eba.exe 28 PID 1252 wrote to memory of 1824 1252 nova narud#U017eba.exe 28 PID 1252 wrote to memory of 1824 1252 nova narud#U017eba.exe 28 PID 1252 wrote to memory of 1824 1252 nova narud#U017eba.exe 28 PID 1252 wrote to memory of 1824 1252 nova narud#U017eba.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\nova narud#U017eba.exe"C:\Users\Admin\AppData\Local\Temp\nova narud#U017eba.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1252 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KgxstIyLLXcOg" /XML "C:\Users\Admin\AppData\Local\Temp\tmp36F7.tmp"2⤵
- Creates scheduled task(s)
PID:1784
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1824
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