Analysis
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max time kernel
140s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
15-11-2024 00:53
Static task
static1
Behavioral task
behavioral1
Sample
a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe
Resource
win10v2004-20241007-en
General
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Target
a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe
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Size
7.1MB
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MD5
6874862093d4753f6d0ecd513d83f046
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SHA1
708f93e3cfb8d5b299eb79dfdbd0a877397b48e3
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SHA256
a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005
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SHA512
308aaa124d81d4de393f7acc50e0c44a623346a9940b13a0625e566ae244e6dcd0c5812ee823665458323aed73b78cec139346910edf911111ff351660bae695
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SSDEEP
49152:9YK0DZT88fnSgRWpAIRrRLzZiNo7IcyO82MzufjWJA6ongaHLvKLA8VgbKW2llxh:mKETOrRn+os45gaHrhdw3D7nTsR
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
sysx32.exe_a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exepid Process 2696 sysx32.exe 2980 _a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe -
Loads dropped DLL 3 IoCs
Processes:
a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exepid Process 1580 a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe 1580 a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe 1580 a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\sys32 = "C:\\Windows\\system32\\sysx32.exe" a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe -
Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
sysx32.exedescription ioc Process File opened (read-only) \??\A: sysx32.exe File opened (read-only) \??\B: sysx32.exe -
Drops file in System32 directory 3 IoCs
Processes:
a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exesysx32.exedescription ioc Process File created C:\Windows\SysWOW64\sysx32.exe a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe File opened for modification C:\Windows\SysWOW64\sysx32.exe a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe File created C:\Windows\SysWOW64\sysx32.exe sysx32.exe -
Drops file in Program Files directory 2 IoCs
Processes:
sysx32.exedescription ioc Process File created C:\Program Files\7-Zip\7z.exe.tmp sysx32.exe File opened for modification C:\Program Files\7-Zip\7z.exe.tmp sysx32.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe_a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language _a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exedescription pid Process procid_target PID 1580 wrote to memory of 2696 1580 a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe 30 PID 1580 wrote to memory of 2696 1580 a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe 30 PID 1580 wrote to memory of 2696 1580 a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe 30 PID 1580 wrote to memory of 2696 1580 a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe 30 PID 1580 wrote to memory of 2980 1580 a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe 31 PID 1580 wrote to memory of 2980 1580 a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe 31 PID 1580 wrote to memory of 2980 1580 a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe 31 PID 1580 wrote to memory of 2980 1580 a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe"C:\Users\Admin\AppData\Local\Temp\a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1580 -
C:\Windows\SysWOW64\sysx32.exeC:\Windows\system32\sysx32.exe /scan2⤵
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Program Files directory
PID:2696
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C:\Users\Admin\AppData\Local\Temp\_a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exeC:\Users\Admin\AppData\Local\Temp\_a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2980
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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C:\Users\Admin\AppData\Local\Temp\_a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005.exe
Filesize7.1MB
MD577f0f26b82ccd143daad8b5ee63b6b65
SHA1109c463530f1103a4fb6989a47c2b888cfadd0e3
SHA2562c35bcbef057c9e0c20143ada8f008cc95f603ec5d7bd7f84b78daae004ed22b
SHA5125d4560e38467132f64384e456d344025bd094cf239e5624819a91b3471389b6fdc6290a0be6be4220b40f8b102a4fcf33d23f3a109ac59eb75e1ae64b8af892a
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Filesize
7.1MB
MD56874862093d4753f6d0ecd513d83f046
SHA1708f93e3cfb8d5b299eb79dfdbd0a877397b48e3
SHA256a2d3abaf63803b8d4657ee4ddb1467b54dd74d9e3e0a58f1ec16de38a3f86005
SHA512308aaa124d81d4de393f7acc50e0c44a623346a9940b13a0625e566ae244e6dcd0c5812ee823665458323aed73b78cec139346910edf911111ff351660bae695