Analysis
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max time kernel
144s -
max time network
38s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
11-07-2020 06:22
Static task
static1
Behavioral task
behavioral1
Sample
PO.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
PO.exe
Resource
win10
General
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Target
PO.exe
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Size
629KB
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MD5
80a403850f764cd5b6b6ca7815d1eef8
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SHA1
bd52782526e783fe7786e4cef0f169264c1b117d
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SHA256
1414f24264a3c0579250f74acdbb4ffffc79cf787221704b80cdab5829212bff
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SHA512
3d4eb72ccb52bea0c05f87885a1b054f294c1e40292aec9d7c09680c20ed4336e0645fefe4b586139642f16022e67cd9d7b62f4e69b00343e1b92cd30c8e9b69
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
Wm^kN*!7
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
Processes:
resource yara_rule behavioral1/memory/1896-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1896-5-0x00000000004469FE-mapping.dmp family_agenttesla behavioral1/memory/1896-7-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/1896-6-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
PO.exedescription pid process target process PID 676 set thread context of 1896 676 PO.exe PO.exe -
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.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
PO.exepid process 1896 PO.exe 1896 PO.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
PO.exedescription pid process Token: SeDebugPrivilege 1896 PO.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
PO.exepid process 1896 PO.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
PO.exedescription pid process target process PID 676 wrote to memory of 1856 676 PO.exe schtasks.exe PID 676 wrote to memory of 1856 676 PO.exe schtasks.exe PID 676 wrote to memory of 1856 676 PO.exe schtasks.exe PID 676 wrote to memory of 1856 676 PO.exe schtasks.exe PID 676 wrote to memory of 1896 676 PO.exe PO.exe PID 676 wrote to memory of 1896 676 PO.exe PO.exe PID 676 wrote to memory of 1896 676 PO.exe PO.exe PID 676 wrote to memory of 1896 676 PO.exe PO.exe PID 676 wrote to memory of 1896 676 PO.exe PO.exe PID 676 wrote to memory of 1896 676 PO.exe PO.exe PID 676 wrote to memory of 1896 676 PO.exe PO.exe PID 676 wrote to memory of 1896 676 PO.exe PO.exe PID 676 wrote to memory of 1896 676 PO.exe PO.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO.exe"C:\Users\Admin\AppData\Local\Temp\PO.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:676 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OgmEfPUTiwiF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3310.tmp"2⤵
- Creates scheduled task(s)
PID:1856 -
C:\Users\Admin\AppData\Local\Temp\PO.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1896
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
5d340571c5eab6c1de9d23df56684b1a
SHA1074b82531bd3f289d2752e8e9dcee5c80bb9ac25
SHA256e139c8ea5ef160440a123620e2257b74967205af9197afeff50de5e7170b42a8
SHA5125aa631c33e62b6b652d5180d6382a80c9555579ebf1ce439e07dc9b216ed46fd3ff856a12037fd744dea9fbadf0c67ff0c35eecedf149b03e3c76d9b6af2d53d