Analysis
- max time kernel
125s - max time network
32s - platform
windows7_x64 - resource
win7v200430 - submitted
24/06/2020, 14:53
Static task
static1
Behavioral task
behavioral1
Sample
993f4284bcdf3dc8cbfee60954b61910.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
993f4284bcdf3dc8cbfee60954b61910.exe
Resource
win10
General
- Target 993f4284bcdf3dc8cbfee60954b61910.exe
- Size 424KB
- Sample200624-cgvbvvs5t2
- SHA256 49f8a53df63b928f15cf73f136aa4da17d47456f15a875ec68f6441f0ab476db
- MD5 993f4284bcdf3dc8cbfee60954b61910
- SHA1 56386ed1236b5f936121a5cd2b733a1fceedde24
- SHA512 8e45b2fd5783be46ad614a3575df0fb414d7f2b212a3ca356084a17fb51ce78eb4ed5da261223f1c2b1e0f00b29745ea4d51a9a97766d5844fd8caa900bf80e7
- MD5 SHA1 SHA512
Malware Config
Extracted
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agenttesla
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Protocol
smtp
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Host
mail.distribrands.net
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Port
587
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Username
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Password
bana123,
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/1784-2-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1784-3-0x000000000044C63E-mapping.dmp family_agenttesla behavioral1/memory/1784-4-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1784-5-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1060 set thread context of 1784 1060 993f4284bcdf3dc8cbfee60954b61910.exe 28 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1836 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1784 993f4284bcdf3dc8cbfee60954b61910.exe 1784 993f4284bcdf3dc8cbfee60954b61910.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1784 993f4284bcdf3dc8cbfee60954b61910.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1784 993f4284bcdf3dc8cbfee60954b61910.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1060 wrote to memory of 1836 1060 993f4284bcdf3dc8cbfee60954b61910.exe 26 PID 1060 wrote to memory of 1836 1060 993f4284bcdf3dc8cbfee60954b61910.exe 26 PID 1060 wrote to memory of 1836 1060 993f4284bcdf3dc8cbfee60954b61910.exe 26 PID 1060 wrote to memory of 1836 1060 993f4284bcdf3dc8cbfee60954b61910.exe 26 PID 1060 wrote to memory of 1784 1060 993f4284bcdf3dc8cbfee60954b61910.exe 28 PID 1060 wrote to memory of 1784 1060 993f4284bcdf3dc8cbfee60954b61910.exe 28 PID 1060 wrote to memory of 1784 1060 993f4284bcdf3dc8cbfee60954b61910.exe 28 PID 1060 wrote to memory of 1784 1060 993f4284bcdf3dc8cbfee60954b61910.exe 28 PID 1060 wrote to memory of 1784 1060 993f4284bcdf3dc8cbfee60954b61910.exe 28 PID 1060 wrote to memory of 1784 1060 993f4284bcdf3dc8cbfee60954b61910.exe 28 PID 1060 wrote to memory of 1784 1060 993f4284bcdf3dc8cbfee60954b61910.exe 28 PID 1060 wrote to memory of 1784 1060 993f4284bcdf3dc8cbfee60954b61910.exe 28 PID 1060 wrote to memory of 1784 1060 993f4284bcdf3dc8cbfee60954b61910.exe 28 PID 1784 wrote to memory of 1620 1784 993f4284bcdf3dc8cbfee60954b61910.exe 30 PID 1784 wrote to memory of 1620 1784 993f4284bcdf3dc8cbfee60954b61910.exe 30 PID 1784 wrote to memory of 1620 1784 993f4284bcdf3dc8cbfee60954b61910.exe 30 PID 1784 wrote to memory of 1620 1784 993f4284bcdf3dc8cbfee60954b61910.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\993f4284bcdf3dc8cbfee60954b61910.exe"C:\Users\Admin\AppData\Local\Temp\993f4284bcdf3dc8cbfee60954b61910.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1060 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HgqjSHKqb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC8D.tmp"2⤵
- Creates scheduled task(s)
PID:1836
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C:\Users\Admin\AppData\Local\Temp\993f4284bcdf3dc8cbfee60954b61910.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1784 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:1620
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