Analysis
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max time kernel
142s -
max time network
144s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
03/11/2022, 10:19
Static task
static1
Behavioral task
behavioral1
Sample
a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exe
Resource
win10-20220812-en
General
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Target
a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exe
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Size
327KB
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MD5
3b2d5ad529965f38208bb9be281a33d0
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SHA1
1a365deda68bd285db4de51dc83d1ecdc7bb8dbe
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SHA256
a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80
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SHA512
edec3c8af95c629809375a34c8cb4ef2382fd2cd1bd81ccd417f4a90442c7e74a5ff1d33a276e0e1c44b86de7f33deb4b1e749340a57928d60624be295345618
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SSDEEP
6144:eKlzr1sYCzek2ciDaP9Xk6Ln1W8W/9InBSkZZmLdGcAdgdY6RKpjS:eGhQ2ciDq9ZL1W8q9InBRqELdolRKpj
Malware Config
Signatures
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Executes dropped EXE 9 IoCs
pid Process 4288 oobeldr.exe 4944 oobeldr.exe 3980 oobeldr.exe 5068 oobeldr.exe 4440 oobeldr.exe 4480 oobeldr.exe 4416 oobeldr.exe 4012 oobeldr.exe 2920 oobeldr.exe -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 2668 set thread context of 1824 2668 a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exe 66 PID 4288 set thread context of 5068 4288 oobeldr.exe 72 PID 4440 set thread context of 4416 4440 oobeldr.exe 77 PID 4012 set thread context of 2920 4012 oobeldr.exe 81 -
Program crash 1 IoCs
pid pid_target Process procid_target 4504 5068 WerFault.exe 72 -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4312 schtasks.exe 1060 schtasks.exe -
Suspicious use of WriteProcessMemory 51 IoCs
description pid Process procid_target PID 2668 wrote to memory of 1824 2668 a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exe 66 PID 2668 wrote to memory of 1824 2668 a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exe 66 PID 2668 wrote to memory of 1824 2668 a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exe 66 PID 2668 wrote to memory of 1824 2668 a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exe 66 PID 2668 wrote to memory of 1824 2668 a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exe 66 PID 2668 wrote to memory of 1824 2668 a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exe 66 PID 2668 wrote to memory of 1824 2668 a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exe 66 PID 2668 wrote to memory of 1824 2668 a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exe 66 PID 2668 wrote to memory of 1824 2668 a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exe 66 PID 1824 wrote to memory of 4312 1824 a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exe 67 PID 1824 wrote to memory of 4312 1824 a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exe 67 PID 1824 wrote to memory of 4312 1824 a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exe 67 PID 4288 wrote to memory of 4944 4288 oobeldr.exe 70 PID 4288 wrote to memory of 4944 4288 oobeldr.exe 70 PID 4288 wrote to memory of 4944 4288 oobeldr.exe 70 PID 4288 wrote to memory of 3980 4288 oobeldr.exe 71 PID 4288 wrote to memory of 3980 4288 oobeldr.exe 71 PID 4288 wrote to memory of 3980 4288 oobeldr.exe 71 PID 4288 wrote to memory of 5068 4288 oobeldr.exe 72 PID 4288 wrote to memory of 5068 4288 oobeldr.exe 72 PID 4288 wrote to memory of 5068 4288 oobeldr.exe 72 PID 4288 wrote to memory of 5068 4288 oobeldr.exe 72 PID 4288 wrote to memory of 5068 4288 oobeldr.exe 72 PID 4288 wrote to memory of 5068 4288 oobeldr.exe 72 PID 4288 wrote to memory of 5068 4288 oobeldr.exe 72 PID 4288 wrote to memory of 5068 4288 oobeldr.exe 72 PID 4288 wrote to memory of 5068 4288 oobeldr.exe 72 PID 4440 wrote to memory of 4480 4440 oobeldr.exe 76 PID 4440 wrote to memory of 4480 4440 oobeldr.exe 76 PID 4440 wrote to memory of 4480 4440 oobeldr.exe 76 PID 4440 wrote to memory of 4416 4440 oobeldr.exe 77 PID 4440 wrote to memory of 4416 4440 oobeldr.exe 77 PID 4440 wrote to memory of 4416 4440 oobeldr.exe 77 PID 4440 wrote to memory of 4416 4440 oobeldr.exe 77 PID 4440 wrote to memory of 4416 4440 oobeldr.exe 77 PID 4440 wrote to memory of 4416 4440 oobeldr.exe 77 PID 4440 wrote to memory of 4416 4440 oobeldr.exe 77 PID 4440 wrote to memory of 4416 4440 oobeldr.exe 77 PID 4440 wrote to memory of 4416 4440 oobeldr.exe 77 PID 4416 wrote to memory of 1060 4416 oobeldr.exe 78 PID 4416 wrote to memory of 1060 4416 oobeldr.exe 78 PID 4416 wrote to memory of 1060 4416 oobeldr.exe 78 PID 4012 wrote to memory of 2920 4012 oobeldr.exe 81 PID 4012 wrote to memory of 2920 4012 oobeldr.exe 81 PID 4012 wrote to memory of 2920 4012 oobeldr.exe 81 PID 4012 wrote to memory of 2920 4012 oobeldr.exe 81 PID 4012 wrote to memory of 2920 4012 oobeldr.exe 81 PID 4012 wrote to memory of 2920 4012 oobeldr.exe 81 PID 4012 wrote to memory of 2920 4012 oobeldr.exe 81 PID 4012 wrote to memory of 2920 4012 oobeldr.exe 81 PID 4012 wrote to memory of 2920 4012 oobeldr.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exe"C:\Users\Admin\AppData\Local\Temp\a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2668 -
C:\Users\Admin\AppData\Local\Temp\a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exeC:\Users\Admin\AppData\Local\Temp\a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80.exe2⤵
- Suspicious use of WriteProcessMemory
PID:1824 -
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:4312
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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:4288 -
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exeC:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe2⤵
- Executes dropped EXE
PID:4944
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C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exeC:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe2⤵
- Executes dropped EXE
PID:3980
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C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exeC:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe2⤵
- Executes dropped EXE
PID:5068 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5068 -s 1523⤵
- Program crash
PID:4504
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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:4440 -
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exeC:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe2⤵
- Executes dropped EXE
PID:4480
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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:4416 -
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:1060
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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:4012 -
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exeC:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe2⤵
- Executes dropped EXE
PID:2920
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
789B
MD5db5ef8d7c51bad129d9097bf953e4913
SHA18439db960aa2d431bf5ec3c37af775b45eb07e06
SHA2561248e67f10b47b397af3c8cbe342bad4be75c68b8e10f4ec6341195cc3138bd9
SHA51204572485790b25e1751347e43b47174051cd153dd75fd55ee5590d25a2579f344cd96cf86cf45bdb7759e3e6d0f734d0ff717148ca70f501b9869e964e036fee
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Filesize
327KB
MD53b2d5ad529965f38208bb9be281a33d0
SHA11a365deda68bd285db4de51dc83d1ecdc7bb8dbe
SHA256a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80
SHA512edec3c8af95c629809375a34c8cb4ef2382fd2cd1bd81ccd417f4a90442c7e74a5ff1d33a276e0e1c44b86de7f33deb4b1e749340a57928d60624be295345618
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Filesize
327KB
MD53b2d5ad529965f38208bb9be281a33d0
SHA11a365deda68bd285db4de51dc83d1ecdc7bb8dbe
SHA256a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80
SHA512edec3c8af95c629809375a34c8cb4ef2382fd2cd1bd81ccd417f4a90442c7e74a5ff1d33a276e0e1c44b86de7f33deb4b1e749340a57928d60624be295345618
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Filesize
327KB
MD53b2d5ad529965f38208bb9be281a33d0
SHA11a365deda68bd285db4de51dc83d1ecdc7bb8dbe
SHA256a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80
SHA512edec3c8af95c629809375a34c8cb4ef2382fd2cd1bd81ccd417f4a90442c7e74a5ff1d33a276e0e1c44b86de7f33deb4b1e749340a57928d60624be295345618
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Filesize
327KB
MD53b2d5ad529965f38208bb9be281a33d0
SHA11a365deda68bd285db4de51dc83d1ecdc7bb8dbe
SHA256a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80
SHA512edec3c8af95c629809375a34c8cb4ef2382fd2cd1bd81ccd417f4a90442c7e74a5ff1d33a276e0e1c44b86de7f33deb4b1e749340a57928d60624be295345618
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Filesize
327KB
MD53b2d5ad529965f38208bb9be281a33d0
SHA11a365deda68bd285db4de51dc83d1ecdc7bb8dbe
SHA256a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80
SHA512edec3c8af95c629809375a34c8cb4ef2382fd2cd1bd81ccd417f4a90442c7e74a5ff1d33a276e0e1c44b86de7f33deb4b1e749340a57928d60624be295345618
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Filesize
327KB
MD53b2d5ad529965f38208bb9be281a33d0
SHA11a365deda68bd285db4de51dc83d1ecdc7bb8dbe
SHA256a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80
SHA512edec3c8af95c629809375a34c8cb4ef2382fd2cd1bd81ccd417f4a90442c7e74a5ff1d33a276e0e1c44b86de7f33deb4b1e749340a57928d60624be295345618
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Filesize
327KB
MD53b2d5ad529965f38208bb9be281a33d0
SHA11a365deda68bd285db4de51dc83d1ecdc7bb8dbe
SHA256a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80
SHA512edec3c8af95c629809375a34c8cb4ef2382fd2cd1bd81ccd417f4a90442c7e74a5ff1d33a276e0e1c44b86de7f33deb4b1e749340a57928d60624be295345618
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Filesize
327KB
MD53b2d5ad529965f38208bb9be281a33d0
SHA11a365deda68bd285db4de51dc83d1ecdc7bb8dbe
SHA256a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80
SHA512edec3c8af95c629809375a34c8cb4ef2382fd2cd1bd81ccd417f4a90442c7e74a5ff1d33a276e0e1c44b86de7f33deb4b1e749340a57928d60624be295345618
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Filesize
327KB
MD53b2d5ad529965f38208bb9be281a33d0
SHA11a365deda68bd285db4de51dc83d1ecdc7bb8dbe
SHA256a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80
SHA512edec3c8af95c629809375a34c8cb4ef2382fd2cd1bd81ccd417f4a90442c7e74a5ff1d33a276e0e1c44b86de7f33deb4b1e749340a57928d60624be295345618
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Filesize
327KB
MD53b2d5ad529965f38208bb9be281a33d0
SHA11a365deda68bd285db4de51dc83d1ecdc7bb8dbe
SHA256a03fbde4c0e5db91b2d3fe2a821c3c155d4c3746acf59967a162f2a2205a0b80
SHA512edec3c8af95c629809375a34c8cb4ef2382fd2cd1bd81ccd417f4a90442c7e74a5ff1d33a276e0e1c44b86de7f33deb4b1e749340a57928d60624be295345618