Analysis
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max time kernel
93s -
max time network
64s -
platform
windows7_x64 -
resource
win7 -
submitted
15-07-2020 20:01
Static task
static1
Behavioral task
behavioral1
Sample
CV-JOB REQUEST______pdf.exe
Resource
win7
Behavioral task
behavioral2
Sample
CV-JOB REQUEST______pdf.exe
Resource
win10v200430
General
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Target
CV-JOB REQUEST______pdf.exe
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Size
479KB
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MD5
e98155dd2787910e9e037226aaae3842
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SHA1
f3d48807a19e5e7e59bb1ba0025f05d8eafcfdfe
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SHA256
6c34622d44f5902532e5a5d62413bf96700fad63b9ceb5fe64f64e1e53c0e889
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SHA512
8b263c9953adc73421805e2e7edb82f3477988d5a95ed44c1254fcf9aaede1cd1d107e63d977e9e87f29307875012b4cc5c66bc1ab051dabfd477e1c315ff582
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.elsemillero.org.bo - Port:
587 - Username:
[email protected] - Password:
eduardojames123
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/596-4-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/596-5-0x000000000044C84E-mapping.dmp family_agenttesla behavioral1/memory/596-6-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla behavioral1/memory/596-7-0x0000000000400000-0x0000000000452000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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 1124 set thread context of 596 1124 CV-JOB REQUEST______pdf.exe 27 -
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 1560 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 1124 CV-JOB REQUEST______pdf.exe 596 CV-JOB REQUEST______pdf.exe 596 CV-JOB REQUEST______pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1124 CV-JOB REQUEST______pdf.exe Token: SeDebugPrivilege 596 CV-JOB REQUEST______pdf.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1124 wrote to memory of 1560 1124 CV-JOB REQUEST______pdf.exe 24 PID 1124 wrote to memory of 1560 1124 CV-JOB REQUEST______pdf.exe 24 PID 1124 wrote to memory of 1560 1124 CV-JOB REQUEST______pdf.exe 24 PID 1124 wrote to memory of 1560 1124 CV-JOB REQUEST______pdf.exe 24 PID 1124 wrote to memory of 796 1124 CV-JOB REQUEST______pdf.exe 26 PID 1124 wrote to memory of 796 1124 CV-JOB REQUEST______pdf.exe 26 PID 1124 wrote to memory of 796 1124 CV-JOB REQUEST______pdf.exe 26 PID 1124 wrote to memory of 796 1124 CV-JOB REQUEST______pdf.exe 26 PID 1124 wrote to memory of 596 1124 CV-JOB REQUEST______pdf.exe 27 PID 1124 wrote to memory of 596 1124 CV-JOB REQUEST______pdf.exe 27 PID 1124 wrote to memory of 596 1124 CV-JOB REQUEST______pdf.exe 27 PID 1124 wrote to memory of 596 1124 CV-JOB REQUEST______pdf.exe 27 PID 1124 wrote to memory of 596 1124 CV-JOB REQUEST______pdf.exe 27 PID 1124 wrote to memory of 596 1124 CV-JOB REQUEST______pdf.exe 27 PID 1124 wrote to memory of 596 1124 CV-JOB REQUEST______pdf.exe 27 PID 1124 wrote to memory of 596 1124 CV-JOB REQUEST______pdf.exe 27 PID 1124 wrote to memory of 596 1124 CV-JOB REQUEST______pdf.exe 27 PID 596 wrote to memory of 1892 596 CV-JOB REQUEST______pdf.exe 31 PID 596 wrote to memory of 1892 596 CV-JOB REQUEST______pdf.exe 31 PID 596 wrote to memory of 1892 596 CV-JOB REQUEST______pdf.exe 31 PID 596 wrote to memory of 1892 596 CV-JOB REQUEST______pdf.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\CV-JOB REQUEST______pdf.exe"C:\Users\Admin\AppData\Local\Temp\CV-JOB REQUEST______pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1124 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bIETmvmqUOZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8CF3.tmp"2⤵
- Creates scheduled task(s)
PID:1560
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C:\Users\Admin\AppData\Local\Temp\CV-JOB REQUEST______pdf.exe"{path}"2⤵PID:796
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C:\Users\Admin\AppData\Local\Temp\CV-JOB REQUEST______pdf.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:596 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:1892
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