Analysis
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max time kernel
135s -
max time network
145s -
platform
windows10_x64 -
resource
win10 -
submitted
30-06-2020 12:35
Static task
static1
Behavioral task
behavioral1
Sample
copia_de_la_factura.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
copia_de_la_factura.exe
Resource
win10
General
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Target
copia_de_la_factura.exe
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Size
904KB
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MD5
e1e1c7046dfb51248e7b0e34a65cd326
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SHA1
b9eee6b483bbb3e48424855878de759fd2737ca5
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SHA256
51de766b58a0bc42cddc5a5c347279b788271633f5a99d83a64d9c9c7ea77869
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SHA512
b720eb443a27a68fb2037d2061a388465ea58a8c4877b02e2ec4afbc9555a6bd55314f239a9fb45abb46cc941a1b17d68a5d36fcef6babc84e32507ae461e512
Malware Config
Extracted
Protocol: ftp- Host:
ftp.is-kagrup.com - Port:
21 - Username:
md@is-kagrup.com - Password:
playboy123#
Signatures
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
copia_de_la_factura.execopia_de_la_factura.exepid process 3588 copia_de_la_factura.exe 3588 copia_de_la_factura.exe 4012 copia_de_la_factura.exe 4012 copia_de_la_factura.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
copia_de_la_factura.exedescription pid process Token: SeDebugPrivilege 4012 copia_de_la_factura.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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Suspicious use of WriteProcessMemory 3 IoCs
Processes:
copia_de_la_factura.exedescription pid process target process PID 3588 wrote to memory of 4012 3588 copia_de_la_factura.exe copia_de_la_factura.exe PID 3588 wrote to memory of 4012 3588 copia_de_la_factura.exe copia_de_la_factura.exe PID 3588 wrote to memory of 4012 3588 copia_de_la_factura.exe copia_de_la_factura.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
copia_de_la_factura.exepid process 3588 copia_de_la_factura.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
copia_de_la_factura.exedescription pid process target process PID 3588 set thread context of 4012 3588 copia_de_la_factura.exe copia_de_la_factura.exe -
UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
Processes:
resource yara_rule behavioral2/memory/4012-0-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral2/memory/4012-2-0x0000000000400000-0x00000000004A4000-memory.dmp upx behavioral2/memory/4012-3-0x0000000000400000-0x00000000004A4000-memory.dmp upx -
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\copia_de_la_factura.exe"C:\Users\Admin\AppData\Local\Temp\copia_de_la_factura.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetThreadContext
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C:\Users\Admin\AppData\Local\Temp\copia_de_la_factura.exe"C:\Users\Admin\AppData\Local\Temp\copia_de_la_factura.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/4012-0-0x0000000000400000-0x00000000004A4000-memory.dmpFilesize
656KB
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memory/4012-1-0x00000000004A2810-mapping.dmp
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memory/4012-2-0x0000000000400000-0x00000000004A4000-memory.dmpFilesize
656KB
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memory/4012-3-0x0000000000400000-0x00000000004A4000-memory.dmpFilesize
656KB
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memory/4012-4-0x0000000002150000-0x000000000219C000-memory.dmpFilesize
304KB
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memory/4012-5-0x00000000022A2000-0x00000000022A3000-memory.dmpFilesize
4KB