Analysis
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max time kernel
136s -
max time network
79s -
platform
windows10_x64 -
resource
win10v200430 -
submitted
07-07-2020 09:45
Static task
static1
Behavioral task
behavioral1
Sample
Revised PO# 453924.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
Revised PO# 453924.exe
Resource
win10v200430
General
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Target
Revised PO# 453924.exe
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Size
775KB
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MD5
9943384ae07ee24b27111dcfa3ad3f28
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SHA1
d05c756801a33f30c8c8c54c2513590a7ae56e97
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SHA256
345f849a0cfc012229e71b4c53ff148b9cadaecd692f624f917e35dfed7f820b
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SHA512
6a1944d0807e2646a4909a16d0ab9fce1d4cc74a1d90e7485172600580a83157bed1941929808b2dbfabfa7e90007ea4624d61af406326682a3a1f9244863176
Malware Config
Extracted
Protocol: smtp- Host:
smtp.hk-gruop-sg.com - Port:
587 - Username:
[email protected] - Password:
YERuFGp7
Signatures
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Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
Revised PO# 453924.exepid process 3180 Revised PO# 453924.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Revised PO# 453924.exedescription pid process target process PID 3180 set thread context of 3932 3180 Revised PO# 453924.exe Revised PO# 453924.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
Revised PO# 453924.exepid process 3932 Revised PO# 453924.exe -
UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
Processes:
resource yara_rule behavioral2/memory/3932-0-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral2/memory/3932-2-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral2/memory/3932-3-0x0000000000400000-0x00000000004A4000-memory.dmp upx -
Adds Run entry to start application 2 TTPs 1 IoCs
Processes:
Revised PO# 453924.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Software\Microsoft\Windows\CurrentVersion\Run\newApp = "C:\\Users\\Admin\\AppData\\Roaming\\newApp\\newApp.exe" Revised PO# 453924.exe -
AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Revised PO# 453924.exeRevised PO# 453924.exepid process 3180 Revised PO# 453924.exe 3180 Revised PO# 453924.exe 3932 Revised PO# 453924.exe 3932 Revised PO# 453924.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
Revised PO# 453924.exedescription pid process target process PID 3180 wrote to memory of 3932 3180 Revised PO# 453924.exe Revised PO# 453924.exe PID 3180 wrote to memory of 3932 3180 Revised PO# 453924.exe Revised PO# 453924.exe PID 3180 wrote to memory of 3932 3180 Revised PO# 453924.exe Revised PO# 453924.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Revised PO# 453924.exedescription pid process Token: SeDebugPrivilege 3932 Revised PO# 453924.exe -
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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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
Processes
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C:\Users\Admin\AppData\Local\Temp\Revised PO# 453924.exe"C:\Users\Admin\AppData\Local\Temp\Revised PO# 453924.exe"1⤵
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Revised PO# 453924.exe"C:\Users\Admin\AppData\Local\Temp\Revised PO# 453924.exe"2⤵
- Suspicious behavior: RenamesItself
- Adds Run entry to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/3932-0-0x0000000000400000-0x00000000004A4000-memory.dmpFilesize
656KB
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memory/3932-1-0x00000000004A27B0-mapping.dmp
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memory/3932-2-0x0000000000400000-0x00000000004A4000-memory.dmpFilesize
656KB
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memory/3932-3-0x0000000000400000-0x00000000004A4000-memory.dmpFilesize
656KB
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memory/3932-4-0x0000000002170000-0x00000000021BC000-memory.dmpFilesize
304KB
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memory/3932-5-0x00000000021E2000-0x00000000021E3000-memory.dmpFilesize
4KB