Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20250207-en -
resource tags
arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system -
submitted
08-02-2025 21:26
Behavioral task
behavioral1
Sample
LummaC2-40_2025-01-24_18-38.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
LummaC2-40_2025-01-24_18-38.exe
Resource
win10v2004-20250207-en
General
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Target
LummaC2-40_2025-01-24_18-38.exe
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Size
1.2MB
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MD5
1b91fb3005eba4feed4b3eadb74a94e7
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SHA1
9cf1a4ea89c80ad49f9e781648182c809f900081
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SHA256
0bcc74d1129e6e2ce57038f94c15c8e4bdad5ea713dc7379c110b70c675972e7
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SHA512
463ae447a18cd7c71ea2f64f4570d7def4f5f810538d13136d4a0355a740d552bb16ff521277781c8e4a8634214b72e707cb667e7299044bef57d45797bae288
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SSDEEP
24576:znsJ39LyjbJkQFMhmC+6GD94tSqnBDbmsYtRW3:znsHyjtk2MYC5GDE7BCC
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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Xred family
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Downloads MZ/PE file 1 IoCs
flow pid Process 77 4460 Process not Found -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2499155680-3253481302-763015360-1000\Control Panel\International\Geo\Nation LummaC2-40_2025-01-24_18-38.exe Key value queried \REGISTRY\USER\S-1-5-21-2499155680-3253481302-763015360-1000\Control Panel\International\Geo\Nation Synaptics.exe -
Executes dropped EXE 3 IoCs
pid Process 3412 ._cache_LummaC2-40_2025-01-24_18-38.exe 1424 Synaptics.exe 2172 ._cache_Synaptics.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe" LummaC2-40_2025-01-24_18-38.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 2440 3412 WerFault.exe 89 4448 2172 WerFault.exe 91 -
System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MicrosoftEdgeUpdate.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language LummaC2-40_2025-01-24_18-38.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ._cache_LummaC2-40_2025-01-24_18-38.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Synaptics.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ._cache_Synaptics.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4984 MicrosoftEdgeUpdate.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ LummaC2-40_2025-01-24_18-38.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ Synaptics.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4988 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4988 EXCEL.EXE 4988 EXCEL.EXE 4988 EXCEL.EXE 4988 EXCEL.EXE -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1720 wrote to memory of 3412 1720 LummaC2-40_2025-01-24_18-38.exe 89 PID 1720 wrote to memory of 3412 1720 LummaC2-40_2025-01-24_18-38.exe 89 PID 1720 wrote to memory of 3412 1720 LummaC2-40_2025-01-24_18-38.exe 89 PID 1720 wrote to memory of 1424 1720 LummaC2-40_2025-01-24_18-38.exe 90 PID 1720 wrote to memory of 1424 1720 LummaC2-40_2025-01-24_18-38.exe 90 PID 1720 wrote to memory of 1424 1720 LummaC2-40_2025-01-24_18-38.exe 90 PID 1424 wrote to memory of 2172 1424 Synaptics.exe 91 PID 1424 wrote to memory of 2172 1424 Synaptics.exe 91 PID 1424 wrote to memory of 2172 1424 Synaptics.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\LummaC2-40_2025-01-24_18-38.exe"C:\Users\Admin\AppData\Local\Temp\LummaC2-40_2025-01-24_18-38.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Users\Admin\AppData\Local\Temp\._cache_LummaC2-40_2025-01-24_18-38.exe"C:\Users\Admin\AppData\Local\Temp\._cache_LummaC2-40_2025-01-24_18-38.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3412 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3412 -s 12683⤵
- Program crash
PID:2440
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C:\ProgramData\Synaptics\Synaptics.exe"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1424 -
C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe"C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2172 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 12484⤵
- Program crash
PID:4448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3412 -ip 34121⤵PID:1776
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 2172 -ip 21721⤵PID:3868
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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:4988
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C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDQ0OTciIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxNjkzODEzMjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NTE5NzUyNjU1Ii8-PC9hcHA-PC9yZXF1ZXN0Pg1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4984
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.2MB
MD51b91fb3005eba4feed4b3eadb74a94e7
SHA19cf1a4ea89c80ad49f9e781648182c809f900081
SHA2560bcc74d1129e6e2ce57038f94c15c8e4bdad5ea713dc7379c110b70c675972e7
SHA512463ae447a18cd7c71ea2f64f4570d7def4f5f810538d13136d4a0355a740d552bb16ff521277781c8e4a8634214b72e707cb667e7299044bef57d45797bae288
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Filesize
363KB
MD5cf8015b9028cd3d624cc2c4538d02f86
SHA118974b0b3cc8b206587661ff8644e6e334bb4445
SHA256f11c7ec6cdfa81c9a87e7fa2908d8e4816e0c4f630a5dd7fd706accb581fbd91
SHA512cdfe8edda4fe811c46f7a9261c90b2e23fa046ef1e53a0a061b90055aec68a603a05b94e5c87e104b672ab6a26cb5132c1b34f5b278009a2911d3e1996927353
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Filesize
17KB
MD5e566fc53051035e1e6fd0ed1823de0f9
SHA100bc96c48b98676ecd67e81a6f1d7754e4156044
SHA2568e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
SHA512a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04