Analysis
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max time kernel
122s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
31/10/2022, 22:08
Static task
static1
Behavioral task
behavioral1
Sample
a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe
Resource
win10v2004-20220812-en
General
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Target
a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe
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Size
322KB
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MD5
f5906d4ad1e6e9819c4d86b8a71f3415
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SHA1
cf16690f1bdf69f062b9eb81cf0ad43724f5a6a3
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SHA256
a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80
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SHA512
8922cae101418038a6d5c09fff09f4b13ed1adeff88b1a783ef0101a1c294334dd46f2f1cb484c46f325d1b9931ce3a88e045eaf5314ad06d0aec7e97ea7966a
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SSDEEP
6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj
Malware Config
Signatures
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Executes dropped EXE 4 IoCs
pid Process 912 oobeldr.exe 2064 oobeldr.exe 2172 oobeldr.exe 824 oobeldr.exe -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1092 set thread context of 4740 1092 a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe 79 PID 912 set thread context of 2064 912 oobeldr.exe 90 PID 2172 set thread context of 824 2172 oobeldr.exe 94 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4988 schtasks.exe 4216 schtasks.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 1092 wrote to memory of 4740 1092 a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe 79 PID 1092 wrote to memory of 4740 1092 a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe 79 PID 1092 wrote to memory of 4740 1092 a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe 79 PID 1092 wrote to memory of 4740 1092 a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe 79 PID 1092 wrote to memory of 4740 1092 a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe 79 PID 1092 wrote to memory of 4740 1092 a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe 79 PID 1092 wrote to memory of 4740 1092 a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe 79 PID 1092 wrote to memory of 4740 1092 a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe 79 PID 1092 wrote to memory of 4740 1092 a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe 79 PID 4740 wrote to memory of 4988 4740 a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe 80 PID 4740 wrote to memory of 4988 4740 a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe 80 PID 4740 wrote to memory of 4988 4740 a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe 80 PID 912 wrote to memory of 2064 912 oobeldr.exe 90 PID 912 wrote to memory of 2064 912 oobeldr.exe 90 PID 912 wrote to memory of 2064 912 oobeldr.exe 90 PID 912 wrote to memory of 2064 912 oobeldr.exe 90 PID 912 wrote to memory of 2064 912 oobeldr.exe 90 PID 912 wrote to memory of 2064 912 oobeldr.exe 90 PID 912 wrote to memory of 2064 912 oobeldr.exe 90 PID 912 wrote to memory of 2064 912 oobeldr.exe 90 PID 912 wrote to memory of 2064 912 oobeldr.exe 90 PID 2064 wrote to memory of 4216 2064 oobeldr.exe 91 PID 2064 wrote to memory of 4216 2064 oobeldr.exe 91 PID 2064 wrote to memory of 4216 2064 oobeldr.exe 91 PID 2172 wrote to memory of 824 2172 oobeldr.exe 94 PID 2172 wrote to memory of 824 2172 oobeldr.exe 94 PID 2172 wrote to memory of 824 2172 oobeldr.exe 94 PID 2172 wrote to memory of 824 2172 oobeldr.exe 94 PID 2172 wrote to memory of 824 2172 oobeldr.exe 94 PID 2172 wrote to memory of 824 2172 oobeldr.exe 94 PID 2172 wrote to memory of 824 2172 oobeldr.exe 94 PID 2172 wrote to memory of 824 2172 oobeldr.exe 94 PID 2172 wrote to memory of 824 2172 oobeldr.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe"C:\Users\Admin\AppData\Local\Temp\a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1092 -
C:\Users\Admin\AppData\Local\Temp\a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exeC:\Users\Admin\AppData\Local\Temp\a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80.exe2⤵
- Suspicious use of WriteProcessMemory
PID:4740 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"3⤵
- Creates scheduled task(s)
PID:4988
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C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exeC:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:912 -
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exeC:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2064 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"3⤵
- Creates scheduled task(s)
PID:4216
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C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exeC:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2172 -
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exeC:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe2⤵
- Executes dropped EXE
PID:824
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
789B
MD503d2df1e8834bc4ec1756735429b458c
SHA14ee6c0f5b04c8e0c5076219c5724032daab11d40
SHA256745ab70552d9a0463b791fd8dc1942838ac3e34fb1a68f09ed3766c7e3b05631
SHA5122482c3d4478125ccbc7f224f50e86b7bf925ed438b59f4dce57b9b6bcdb59df51417049096b131b6b911173550eed98bc92aba7050861de303a692f0681b197b
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Filesize
322KB
MD5f5906d4ad1e6e9819c4d86b8a71f3415
SHA1cf16690f1bdf69f062b9eb81cf0ad43724f5a6a3
SHA256a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80
SHA5128922cae101418038a6d5c09fff09f4b13ed1adeff88b1a783ef0101a1c294334dd46f2f1cb484c46f325d1b9931ce3a88e045eaf5314ad06d0aec7e97ea7966a
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Filesize
322KB
MD5f5906d4ad1e6e9819c4d86b8a71f3415
SHA1cf16690f1bdf69f062b9eb81cf0ad43724f5a6a3
SHA256a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80
SHA5128922cae101418038a6d5c09fff09f4b13ed1adeff88b1a783ef0101a1c294334dd46f2f1cb484c46f325d1b9931ce3a88e045eaf5314ad06d0aec7e97ea7966a
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Filesize
322KB
MD5f5906d4ad1e6e9819c4d86b8a71f3415
SHA1cf16690f1bdf69f062b9eb81cf0ad43724f5a6a3
SHA256a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80
SHA5128922cae101418038a6d5c09fff09f4b13ed1adeff88b1a783ef0101a1c294334dd46f2f1cb484c46f325d1b9931ce3a88e045eaf5314ad06d0aec7e97ea7966a
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Filesize
322KB
MD5f5906d4ad1e6e9819c4d86b8a71f3415
SHA1cf16690f1bdf69f062b9eb81cf0ad43724f5a6a3
SHA256a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80
SHA5128922cae101418038a6d5c09fff09f4b13ed1adeff88b1a783ef0101a1c294334dd46f2f1cb484c46f325d1b9931ce3a88e045eaf5314ad06d0aec7e97ea7966a
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Filesize
322KB
MD5f5906d4ad1e6e9819c4d86b8a71f3415
SHA1cf16690f1bdf69f062b9eb81cf0ad43724f5a6a3
SHA256a1c77809506a2a49c35535a7a09476597f1e01632764292e655ccf2dfd5d6f80
SHA5128922cae101418038a6d5c09fff09f4b13ed1adeff88b1a783ef0101a1c294334dd46f2f1cb484c46f325d1b9931ce3a88e045eaf5314ad06d0aec7e97ea7966a