Analysis
- max time kernel
46s - max time network
25s - platform
windows7_x64 - resource
win7v20201028 - submitted
09/11/2020, 20:15
Static task
static1
Behavioral task
behavioral1
Sample
ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe
Resource
win10v20201028
General
- Target ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe
- Size 458KB
- Sample201109-fb1mwekl2e
- SHA256 3203c6bd71fce4ce12368d06cff3ea603a0dc1781b18dea6ba364c7604e53d24
- MD5 ce9fbaeef82e2bfd26ad0ab2cd4266ee
- SHA1 2c7cf49a136e01b4deaccec3d7a3f5ae8e33698e
- SHA512 b7340849bedcaeff64ac8d956f2866eac660a8ea60fa0173cf661e55fcbd4a77ccd689c4eff8b2d5ab814c257e5c8166f233a31da626208985fe5cf127476ffe
- MD5 SHA1 SHA512
Malware Config
Extracted
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agenttesla
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Protocol
smtp
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Host
smtp.yandex.com
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Port
587
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Username
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Password
myhp6000
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
resource yara_rule behavioral1/memory/1528-2-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1528-4-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/1528-3-0x000000000044C77E-mapping.dmp family_agenttesla behavioral1/memory/1528-5-0x0000000000400000-0x0000000000452000-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 1204 set thread context of 1528 1204 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 31 - 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 1756 schtasks.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1528 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 1528 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1528 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe - Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1204 wrote to memory of 1756 1204 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 29 PID 1204 wrote to memory of 1756 1204 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 29 PID 1204 wrote to memory of 1756 1204 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 29 PID 1204 wrote to memory of 1756 1204 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 29 PID 1204 wrote to memory of 1528 1204 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 31 PID 1204 wrote to memory of 1528 1204 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 31 PID 1204 wrote to memory of 1528 1204 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 31 PID 1204 wrote to memory of 1528 1204 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 31 PID 1204 wrote to memory of 1528 1204 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 31 PID 1204 wrote to memory of 1528 1204 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 31 PID 1204 wrote to memory of 1528 1204 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 31 PID 1204 wrote to memory of 1528 1204 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 31 PID 1204 wrote to memory of 1528 1204 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 31 PID 1528 wrote to memory of 1312 1528 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 33 PID 1528 wrote to memory of 1312 1528 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 33 PID 1528 wrote to memory of 1312 1528 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 33 PID 1528 wrote to memory of 1312 1528 ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe"C:\Users\Admin\AppData\Local\Temp\ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qSNJxxlnGgdQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp32B4.tmp"2⤵
- Creates scheduled task(s)
PID:1756
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C:\Users\Admin\AppData\Local\Temp\ce9fbaeef82e2bfd26ad0ab2cd4266ee.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1528 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:1312
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