Analysis
-
max time kernel
83s -
max time network
76s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
06-12-2022 06:00
Static task
static1
Behavioral task
behavioral1
Sample
efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02.exe
Resource
win10v2004-20221111-en
General
-
Target
efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02.exe
-
Size
256KB
-
MD5
a53b78ba22bd17b4d7b5054fe6f6fdb5
-
SHA1
2489cadd72282ba127f66d3b18cfff75463417bf
-
SHA256
efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02
-
SHA512
44e3f9fc16bf6d75372ab419be466502810efab01799d3341606dc4fe796a189d884d72c2776f4c7c37e1bf7957bfb1be42963aaa56282c9855cf06dd412029b
-
SSDEEP
6144:ZOR954oUZ57vESUOOTpM4kJUBAaxU1PIuGFcO:ZdMSgTjYUBAjdgl
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 1188 uninstall.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion uninstall.exe -
Loads dropped DLL 4 IoCs
pid Process 620 efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02.exe 1188 uninstall.exe 1188 uninstall.exe 1188 uninstall.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02.exe File opened for modification \??\PhysicalDrive0 uninstall.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 uninstall.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier uninstall.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1188 uninstall.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 620 wrote to memory of 1188 620 efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02.exe 27 PID 620 wrote to memory of 1188 620 efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02.exe 27 PID 620 wrote to memory of 1188 620 efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02.exe 27 PID 620 wrote to memory of 1188 620 efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02.exe 27 PID 620 wrote to memory of 1188 620 efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02.exe 27 PID 620 wrote to memory of 1188 620 efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02.exe 27 PID 620 wrote to memory of 1188 620 efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02.exe 27
Processes
-
C:\Users\Admin\AppData\Local\Temp\efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02.exe"C:\Users\Admin\AppData\Local\Temp\efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02.exe"1⤵
- Checks BIOS information in registry
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:620 -
C:\Users\Admin\AppData\Local\Temp\uninstall.exeC:\Users\Admin\AppData\Local\Temp\uninstall.exe2⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1188
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
256KB
MD5a53b78ba22bd17b4d7b5054fe6f6fdb5
SHA12489cadd72282ba127f66d3b18cfff75463417bf
SHA256efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02
SHA51244e3f9fc16bf6d75372ab419be466502810efab01799d3341606dc4fe796a189d884d72c2776f4c7c37e1bf7957bfb1be42963aaa56282c9855cf06dd412029b
-
Filesize
256KB
MD5a53b78ba22bd17b4d7b5054fe6f6fdb5
SHA12489cadd72282ba127f66d3b18cfff75463417bf
SHA256efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02
SHA51244e3f9fc16bf6d75372ab419be466502810efab01799d3341606dc4fe796a189d884d72c2776f4c7c37e1bf7957bfb1be42963aaa56282c9855cf06dd412029b
-
Filesize
256KB
MD5a53b78ba22bd17b4d7b5054fe6f6fdb5
SHA12489cadd72282ba127f66d3b18cfff75463417bf
SHA256efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02
SHA51244e3f9fc16bf6d75372ab419be466502810efab01799d3341606dc4fe796a189d884d72c2776f4c7c37e1bf7957bfb1be42963aaa56282c9855cf06dd412029b
-
Filesize
256KB
MD5a53b78ba22bd17b4d7b5054fe6f6fdb5
SHA12489cadd72282ba127f66d3b18cfff75463417bf
SHA256efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02
SHA51244e3f9fc16bf6d75372ab419be466502810efab01799d3341606dc4fe796a189d884d72c2776f4c7c37e1bf7957bfb1be42963aaa56282c9855cf06dd412029b
-
Filesize
256KB
MD5a53b78ba22bd17b4d7b5054fe6f6fdb5
SHA12489cadd72282ba127f66d3b18cfff75463417bf
SHA256efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02
SHA51244e3f9fc16bf6d75372ab419be466502810efab01799d3341606dc4fe796a189d884d72c2776f4c7c37e1bf7957bfb1be42963aaa56282c9855cf06dd412029b
-
Filesize
256KB
MD5a53b78ba22bd17b4d7b5054fe6f6fdb5
SHA12489cadd72282ba127f66d3b18cfff75463417bf
SHA256efe12f9fd1bd423c38af7a20d78636088de1934b132a7056448b2884f8cc7c02
SHA51244e3f9fc16bf6d75372ab419be466502810efab01799d3341606dc4fe796a189d884d72c2776f4c7c37e1bf7957bfb1be42963aaa56282c9855cf06dd412029b