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Analysis
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max time kernel
34s -
max time network
98s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
16/06/2023, 22:59
Static task
static1
Behavioral task
behavioral1
Sample
61a8a4a365edf225943d7fb5f27827c7730df5c34189e2dac1f5f23c089f79dd.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
61a8a4a365edf225943d7fb5f27827c7730df5c34189e2dac1f5f23c089f79dd.exe
Resource
win10v2004-20230220-en
General
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Target
61a8a4a365edf225943d7fb5f27827c7730df5c34189e2dac1f5f23c089f79dd.exe
-
Size
5.8MB
-
MD5
a667b2dd0089600c4106fcc5e2d215c0
-
SHA1
e226aaca862224f6cc8348accf3b4464e0ad3741
-
SHA256
61a8a4a365edf225943d7fb5f27827c7730df5c34189e2dac1f5f23c089f79dd
-
SHA512
a2c27b4c42d99ebbe1c3a35c268922b2e613abf491cbee32de13ff79340c54d3ecfb157e56f27f99e2c08fbe0b68d459616d8e36c85a168fff36d490f6d23944
-
SSDEEP
98304:zX55fiwwWVfqPGCPG0Z2Hb57nVuUikaH5gBxNEjYS2/+:zuww3Zab57nPraH2rNEjYSW+
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 1988 DumpUper.exe -
Loads dropped DLL 8 IoCs
pid Process 1232 61a8a4a365edf225943d7fb5f27827c7730df5c34189e2dac1f5f23c089f79dd.exe 1232 61a8a4a365edf225943d7fb5f27827c7730df5c34189e2dac1f5f23c089f79dd.exe 1232 61a8a4a365edf225943d7fb5f27827c7730df5c34189e2dac1f5f23c089f79dd.exe 1988 DumpUper.exe 1988 DumpUper.exe 1988 DumpUper.exe 1988 DumpUper.exe 1988 DumpUper.exe -
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 61a8a4a365edf225943d7fb5f27827c7730df5c34189e2dac1f5f23c089f79dd.exe File opened for modification \??\PhysicalDrive0 DumpUper.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5 DumpUper.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5\Blob = 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 DumpUper.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\4EB6D578499B1CCF5F581EAD56BE3D9B6744A5E5\Blob = 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 DumpUper.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1988 DumpUper.exe 1988 DumpUper.exe 1988 DumpUper.exe 1988 DumpUper.exe 1988 DumpUper.exe 1988 DumpUper.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1988 DumpUper.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1232 wrote to memory of 1988 1232 61a8a4a365edf225943d7fb5f27827c7730df5c34189e2dac1f5f23c089f79dd.exe 29 PID 1232 wrote to memory of 1988 1232 61a8a4a365edf225943d7fb5f27827c7730df5c34189e2dac1f5f23c089f79dd.exe 29 PID 1232 wrote to memory of 1988 1232 61a8a4a365edf225943d7fb5f27827c7730df5c34189e2dac1f5f23c089f79dd.exe 29 PID 1232 wrote to memory of 1988 1232 61a8a4a365edf225943d7fb5f27827c7730df5c34189e2dac1f5f23c089f79dd.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\61a8a4a365edf225943d7fb5f27827c7730df5c34189e2dac1f5f23c089f79dd.exe"C:\Users\Admin\AppData\Local\Temp\61a8a4a365edf225943d7fb5f27827c7730df5c34189e2dac1f5f23c089f79dd.exe"1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Suspicious use of WriteProcessMemory
PID:1232 -
C:\Users\Admin\AppData\Local\Temp\{F7A15E33-308C-410e-B480-9BCAD13445C9}.tmp\Utils\DumpUper.exe"C:\Users\Admin\AppData\Local\Temp\{F7A15E33-308C-410e-B480-9BCAD13445C9}.tmp\Utils\DumpUper.exe" --pep=50851628 --pid=1232 --tid=1072 --src=catainstall --ver=1.2023.1005.513 --rep=12⤵
- Executes dropped EXE
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1988
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
62KB
MD53ac860860707baaf32469fa7cc7c0192
SHA1c33c2acdaba0e6fa41fd2f00f186804722477639
SHA256d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904
SHA512d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c
-
Filesize
164KB
MD54ff65ad929cd9a367680e0e5b1c08166
SHA1c0af0d4396bd1f15c45f39d3b849ba444233b3a2
SHA256c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6
SHA512f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27
-
Filesize
1.1MB
MD52ab776c5c3d0907bd0379a9f28faa552
SHA13830c73548f0ddd9e6b4d8519fd8c1e49797449c
SHA256cd5d367e02d7a8a48f7ce97fe4d9b3b30d554031523e79c9e4aa3dd6eedb0ed8
SHA51267d25ad243f8e05dcab3efc9651cd16f8e094aa11ddc04322457b5ecfebfca64ad762cb0fb26616660fd3051be54071b26f99270c814fe916637cea1e6e55993
-
Filesize
238KB
MD58786d469338c30e0ba9fedfc62bd5197
SHA15fb12028ceae9772f938e1b98b699f0e02e32718
SHA256beeaf8b72f7008e9adabacfcd85e32a50747a0dfb5c86802aeb973bd1f5c3d2f
SHA5125db1e5b78e62cda81a63e8e712e720f87a7c7a539237a55a9098c076f9fb4e0b5adb83383c23657b4ccc90c117e55e3946a399cdf3d15cb94444b203d9d6c45c
-
Filesize
1.0MB
MD5eae07326b209814995a435d657ffa46e
SHA1df58c2248aa64722da47b24f4a60379d408239e5
SHA256a8246af966f52e36ed8f2444e378e5e6c7f3f4988e9ede19c6f876aaf8abdbfe
SHA5123f9accd44e59ec811e9e52d939a7b991b60bc453dd946fb46bbd4162908295be582f5ad99dd434f35324f472bc76a7fde91858f73b9dac2236d1eade5dae5881
-
Filesize
646KB
MD5ffda1cc904157c18535af8a5278f83b4
SHA154fd0c98b543db436a42d81c4b3e778a1913b929
SHA256969abfceb54b61a705eb757af3cf47c583f11e16d56d1596a3804ddf328930ce
SHA5126cdffee12abd53e51db606e52cf1b577fdbdfb2e57ef06d5d4e57e837910fd1f6a7c831722aac180ee445a6400aaac1dc624e341868b8f1936cb895b63c5e5f6
-
Filesize
1.1MB
MD52ab776c5c3d0907bd0379a9f28faa552
SHA13830c73548f0ddd9e6b4d8519fd8c1e49797449c
SHA256cd5d367e02d7a8a48f7ce97fe4d9b3b30d554031523e79c9e4aa3dd6eedb0ed8
SHA51267d25ad243f8e05dcab3efc9651cd16f8e094aa11ddc04322457b5ecfebfca64ad762cb0fb26616660fd3051be54071b26f99270c814fe916637cea1e6e55993
-
Filesize
1.1MB
MD52ab776c5c3d0907bd0379a9f28faa552
SHA13830c73548f0ddd9e6b4d8519fd8c1e49797449c
SHA256cd5d367e02d7a8a48f7ce97fe4d9b3b30d554031523e79c9e4aa3dd6eedb0ed8
SHA51267d25ad243f8e05dcab3efc9651cd16f8e094aa11ddc04322457b5ecfebfca64ad762cb0fb26616660fd3051be54071b26f99270c814fe916637cea1e6e55993
-
Filesize
1.1MB
MD52ab776c5c3d0907bd0379a9f28faa552
SHA13830c73548f0ddd9e6b4d8519fd8c1e49797449c
SHA256cd5d367e02d7a8a48f7ce97fe4d9b3b30d554031523e79c9e4aa3dd6eedb0ed8
SHA51267d25ad243f8e05dcab3efc9651cd16f8e094aa11ddc04322457b5ecfebfca64ad762cb0fb26616660fd3051be54071b26f99270c814fe916637cea1e6e55993
-
Filesize
238KB
MD58786d469338c30e0ba9fedfc62bd5197
SHA15fb12028ceae9772f938e1b98b699f0e02e32718
SHA256beeaf8b72f7008e9adabacfcd85e32a50747a0dfb5c86802aeb973bd1f5c3d2f
SHA5125db1e5b78e62cda81a63e8e712e720f87a7c7a539237a55a9098c076f9fb4e0b5adb83383c23657b4ccc90c117e55e3946a399cdf3d15cb94444b203d9d6c45c
-
Filesize
1.0MB
MD5eae07326b209814995a435d657ffa46e
SHA1df58c2248aa64722da47b24f4a60379d408239e5
SHA256a8246af966f52e36ed8f2444e378e5e6c7f3f4988e9ede19c6f876aaf8abdbfe
SHA5123f9accd44e59ec811e9e52d939a7b991b60bc453dd946fb46bbd4162908295be582f5ad99dd434f35324f472bc76a7fde91858f73b9dac2236d1eade5dae5881
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Filesize
646KB
MD5ffda1cc904157c18535af8a5278f83b4
SHA154fd0c98b543db436a42d81c4b3e778a1913b929
SHA256969abfceb54b61a705eb757af3cf47c583f11e16d56d1596a3804ddf328930ce
SHA5126cdffee12abd53e51db606e52cf1b577fdbdfb2e57ef06d5d4e57e837910fd1f6a7c831722aac180ee445a6400aaac1dc624e341868b8f1936cb895b63c5e5f6
-
Filesize
646KB
MD5ffda1cc904157c18535af8a5278f83b4
SHA154fd0c98b543db436a42d81c4b3e778a1913b929
SHA256969abfceb54b61a705eb757af3cf47c583f11e16d56d1596a3804ddf328930ce
SHA5126cdffee12abd53e51db606e52cf1b577fdbdfb2e57ef06d5d4e57e837910fd1f6a7c831722aac180ee445a6400aaac1dc624e341868b8f1936cb895b63c5e5f6
-
Filesize
646KB
MD5ffda1cc904157c18535af8a5278f83b4
SHA154fd0c98b543db436a42d81c4b3e778a1913b929
SHA256969abfceb54b61a705eb757af3cf47c583f11e16d56d1596a3804ddf328930ce
SHA5126cdffee12abd53e51db606e52cf1b577fdbdfb2e57ef06d5d4e57e837910fd1f6a7c831722aac180ee445a6400aaac1dc624e341868b8f1936cb895b63c5e5f6