Analysis
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max time kernel
127s -
max time network
150s -
platform
windows10_x64 -
resource
win10v200430 -
submitted
08-07-2020 08:07
Static task
static1
Behavioral task
behavioral1
Sample
PO.pdf.exe
Resource
win7
Behavioral task
behavioral2
Sample
PO.pdf.exe
Resource
win10v200430
General
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Target
PO.pdf.exe
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Size
888KB
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MD5
56c6dc5e37250538b7bc7c24f39550a1
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SHA1
6edc1bdab87081c9dc36960767ddd19b493ba54e
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SHA256
a266556929b4c517579d1af3036d48929520bd91befd5e3259ce0622557e2bf8
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SHA512
b46d95a21a8b3c0784e6ed15a0724196ef3d874ca971a34a73fa43743967c7625e546e7e1cfb10126e1173e60c29f8117920092ef1f1d0a095b2a9b1e2808bc0
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
chibuikelightwork1
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 2 IoCs
Processes:
resource yara_rule behavioral2/memory/2784-0-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral2/memory/2784-1-0x0000000000446B9E-mapping.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.pdf.exedescription pid process target process PID 1612 set thread context of 2784 1612 PO.pdf.exe PO.pdf.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
PO.pdf.exePO.pdf.exepid process 1612 PO.pdf.exe 1612 PO.pdf.exe 2784 PO.pdf.exe 2784 PO.pdf.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
PO.pdf.exePO.pdf.exedescription pid process Token: SeDebugPrivilege 1612 PO.pdf.exe Token: SeDebugPrivilege 2784 PO.pdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
PO.pdf.exepid process 2784 PO.pdf.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
PO.pdf.exedescription pid process target process PID 1612 wrote to memory of 2768 1612 PO.pdf.exe PO.pdf.exe PID 1612 wrote to memory of 2768 1612 PO.pdf.exe PO.pdf.exe PID 1612 wrote to memory of 2768 1612 PO.pdf.exe PO.pdf.exe PID 1612 wrote to memory of 2784 1612 PO.pdf.exe PO.pdf.exe PID 1612 wrote to memory of 2784 1612 PO.pdf.exe PO.pdf.exe PID 1612 wrote to memory of 2784 1612 PO.pdf.exe PO.pdf.exe PID 1612 wrote to memory of 2784 1612 PO.pdf.exe PO.pdf.exe PID 1612 wrote to memory of 2784 1612 PO.pdf.exe PO.pdf.exe PID 1612 wrote to memory of 2784 1612 PO.pdf.exe PO.pdf.exe PID 1612 wrote to memory of 2784 1612 PO.pdf.exe PO.pdf.exe PID 1612 wrote to memory of 2784 1612 PO.pdf.exe PO.pdf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO.pdf.exe"C:\Users\Admin\AppData\Local\Temp\PO.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1612 -
C:\Users\Admin\AppData\Local\Temp\PO.pdf.exe"{path}"2⤵PID:2768
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C:\Users\Admin\AppData\Local\Temp\PO.pdf.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2784
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
ef140ef600b2463c9e7dbf064a104046
SHA1c08fd1853877be95575ea2e860dd8cafef31f54c
SHA256ad8ae97fdeb174b20f02c7ddf9466981856d77d51133599b5954f48f78a1b616
SHA512bf16df0994080bdc832cb39a312e0095de57608256fcf0d04d589e0bdf3283f918fb0d6ec86ea28a4b1af6db12813c52a724028f02330ebc3a9d32a4fcda706c