Analysis
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max time kernel
111s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
submitted
13-09-2024 21:23
Static task
static1
Behavioral task
behavioral1
Sample
cb9dc4606ac85050ceec95e649100000N.exe
Resource
win7-20240903-en
General
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Target
cb9dc4606ac85050ceec95e649100000N.exe
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Size
829KB
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MD5
cb9dc4606ac85050ceec95e649100000
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SHA1
9398495b08379335b9166ed0a941b0cff6ca429f
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SHA256
b1492690bba76715a0b60aacfe75bfb7876f3b7d8f03a5a32172b084be81ba7d
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SHA512
4f2d7905205a0fafc09f5f9b8f072baa07d2f3c91d4e176dd785db2089e80d225fe58fb548c58bf01d144cf410b392fa14b50bc4890fab287a3d07e8b65709b2
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SSDEEP
12288:DMSApJVYG5lhULyjsb0eOzkv4R7QnvUUilQ35+6G75V9IWhBjvrEH7uc:DnsJ30LyjbJkQFMhmC+6Gb9BrEH79
Malware Config
Extracted
xred
xred.mooo.com
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payload_url
http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978
https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download
https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1
http://xred.site50.net/syn/SUpdate.ini
https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download
https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1
http://xred.site50.net/syn/Synaptics.rar
https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download
https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1
http://xred.site50.net/syn/SSLLibrary.dll
Signatures
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Floxif family
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Xred family
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Detects Floxif payload 1 IoCs
Processes:
resource yara_rule behavioral2/files/0x0009000000023447-1.dat floxif -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule behavioral2/files/0x0009000000023447-1.dat acprotect -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
cb9dc4606ac85050ceec95e649100000N.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation cb9dc4606ac85050ceec95e649100000N.exe -
Executes dropped EXE 1 IoCs
Processes:
Synaptics.exepid Process 1476 Synaptics.exe -
Loads dropped DLL 1 IoCs
Processes:
cb9dc4606ac85050ceec95e649100000N.exepid Process 4992 cb9dc4606ac85050ceec95e649100000N.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
cb9dc4606ac85050ceec95e649100000N.exedescription ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe" cb9dc4606ac85050ceec95e649100000N.exe -
Processes:
resource yara_rule behavioral2/files/0x0009000000023447-1.dat upx behavioral2/memory/4992-4-0x0000000010000000-0x0000000010030000-memory.dmp upx behavioral2/memory/4992-75-0x0000000010000000-0x0000000010030000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
Processes:
cb9dc4606ac85050ceec95e649100000N.exedescription ioc Process File created C:\Program Files\Common Files\System\symsrv.dll cb9dc4606ac85050ceec95e649100000N.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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:
cb9dc4606ac85050ceec95e649100000N.exeSynaptics.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cb9dc4606ac85050ceec95e649100000N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Synaptics.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Modifies registry class 1 IoCs
Processes:
cb9dc4606ac85050ceec95e649100000N.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ cb9dc4606ac85050ceec95e649100000N.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid Process 4976 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
cb9dc4606ac85050ceec95e649100000N.exepid Process 4992 cb9dc4606ac85050ceec95e649100000N.exe 4992 cb9dc4606ac85050ceec95e649100000N.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
cb9dc4606ac85050ceec95e649100000N.exedescription pid Process Token: SeDebugPrivilege 4992 cb9dc4606ac85050ceec95e649100000N.exe -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
EXCEL.EXEpid Process 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE 4976 EXCEL.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
cb9dc4606ac85050ceec95e649100000N.exedescription pid Process procid_target PID 4992 wrote to memory of 1476 4992 cb9dc4606ac85050ceec95e649100000N.exe 86 PID 4992 wrote to memory of 1476 4992 cb9dc4606ac85050ceec95e649100000N.exe 86 PID 4992 wrote to memory of 1476 4992 cb9dc4606ac85050ceec95e649100000N.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\cb9dc4606ac85050ceec95e649100000N.exe"C:\Users\Admin\AppData\Local\Temp\cb9dc4606ac85050ceec95e649100000N.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4992 -
C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1476
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4976
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
67KB
MD57574cf2c64f35161ab1292e2f532aabf
SHA114ba3fa927a06224dfe587014299e834def4644f
SHA256de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA5124db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab
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Filesize
753KB
MD5d9167c0e9e27b90a13965cdcdcf05e0c
SHA1cae0b273832c2ae23d4aad128de5f7ac1bfb896f
SHA25693262f54fb78e6b875c2b196dc376fec7f38d1064df02cec5cbade3c55255987
SHA512ae0e9fb3c903e1754a3b23b8d3de48816993a44e2be6cacc87799a59e133d20017d667ca476ccc2e67f228322e815cf87ce1b3f1918114f630f29e98cb6c521e
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Filesize
17KB
MD5e566fc53051035e1e6fd0ed1823de0f9
SHA100bc96c48b98676ecd67e81a6f1d7754e4156044
SHA2568e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
SHA512a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04