Analysis
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max time kernel
108s -
max time network
48s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
07-07-2020 08:36
Static task
static1
Behavioral task
behavioral1
Sample
Advance payment note.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
Advance payment note.exe
Resource
win10
General
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Target
Advance payment note.exe
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Size
563KB
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MD5
e713b0186734c17151daceb17d315ba0
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SHA1
d31dea95ba177db8bc18ada3625a5604dc948359
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SHA256
0af307702055e443dd8ceba3a2b2022609442fd7f6c5358180ec8c6b581d21e5
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SHA512
0a5cfd4de6a5d6c8c3cbe66e88a7a96ba4169383a7f6a59f9777034ab26a548a02db49a6f5f9d8620f42943b3e6052eec47a59b7a154381e0707332e21fd49dd
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
mpjw2013
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/1756-4-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/1756-5-0x000000000044AB1E-mapping.dmp family_agenttesla behavioral1/memory/1756-6-0x0000000000400000-0x0000000000450000-memory.dmp family_agenttesla behavioral1/memory/1756-7-0x0000000000400000-0x0000000000450000-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
description pid Process procid_target PID 1500 set thread context of 1756 1500 Advance payment note.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 1872 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1756 Advance payment note.exe 1756 Advance payment note.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1756 Advance payment note.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1756 Advance payment note.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1500 wrote to memory of 1872 1500 Advance payment note.exe 26 PID 1500 wrote to memory of 1872 1500 Advance payment note.exe 26 PID 1500 wrote to memory of 1872 1500 Advance payment note.exe 26 PID 1500 wrote to memory of 1872 1500 Advance payment note.exe 26 PID 1500 wrote to memory of 1756 1500 Advance payment note.exe 28 PID 1500 wrote to memory of 1756 1500 Advance payment note.exe 28 PID 1500 wrote to memory of 1756 1500 Advance payment note.exe 28 PID 1500 wrote to memory of 1756 1500 Advance payment note.exe 28 PID 1500 wrote to memory of 1756 1500 Advance payment note.exe 28 PID 1500 wrote to memory of 1756 1500 Advance payment note.exe 28 PID 1500 wrote to memory of 1756 1500 Advance payment note.exe 28 PID 1500 wrote to memory of 1756 1500 Advance payment note.exe 28 PID 1500 wrote to memory of 1756 1500 Advance payment note.exe 28 PID 1756 wrote to memory of 1956 1756 Advance payment note.exe 30 PID 1756 wrote to memory of 1956 1756 Advance payment note.exe 30 PID 1756 wrote to memory of 1956 1756 Advance payment note.exe 30 PID 1756 wrote to memory of 1956 1756 Advance payment note.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\Advance payment note.exe"C:\Users\Admin\AppData\Local\Temp\Advance payment note.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1500 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VEvBEodQIxynit" /XML "C:\Users\Admin\AppData\Local\Temp\tmp77ED.tmp"2⤵
- Creates scheduled task(s)
PID:1872
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C:\Users\Admin\AppData\Local\Temp\Advance payment note.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:1956
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