xred | 639304b762698e16ab000b293e7d6396dbb5124a982c8966e2c93b7879cdf9b3

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23/11/2024, 21:11

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General

Target
Aura.exe
Size 1.1MB
Sample241123-z11ycssrfl
SHA256 639304b762698e16ab000b293e7d6396dbb5124a982c8966e2c93b7879cdf9b3
MD5 c392cb1574f2d18f32b0cb5dcf6e6b14
SHA1 bddb3de1d4e507b74373f93b0f500143324ce38d
SHA512 9c1d15350fede1e96504b185a9462b74e5f83929d849008aba86d3d74bc223868ecd2761a49895f0c37861f7fdba4dc35c73425dd657afb8c07e7720b7bbb9e2
SSDEEP 24576:tnsJ39LyjbJkQFMhmC+6GD95umt7tp7F+:tnsHyjtk2MYC5GDiS7tp7F+
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xred backdoor discovery persistence

Malware Config

Extracted

Family

xred

xred.mooo.com

Attributes

email
[email protected]
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

Xred
Xred is backdoor written in Delphi.
backdoor xred
Xred family
xred

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	Aura.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 3 IoCs

pid	Process
376	._cache_Aura.exe
3528	Synaptics.exe
812	._cache_Synaptics.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	Aura.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5040	376	WerFault.exe	83
3100	812	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Aura.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Synaptics.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Aura.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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\	Aura.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1780	EXCEL.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1780	EXCEL.EXE
1780	EXCEL.EXE
1780	EXCEL.EXE
1780	EXCEL.EXE
1780	EXCEL.EXE
1780	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 868 wrote to memory of 376	868	Aura.exe	83
PID 868 wrote to memory of 376	868	Aura.exe	83
PID 868 wrote to memory of 376	868	Aura.exe	83
PID 868 wrote to memory of 3528	868	Aura.exe	84
PID 868 wrote to memory of 3528	868	Aura.exe	84
PID 868 wrote to memory of 3528	868	Aura.exe	84
PID 3528 wrote to memory of 812	3528	Synaptics.exe	85
PID 3528 wrote to memory of 812	3528	Synaptics.exe	85
PID 3528 wrote to memory of 812	3528	Synaptics.exe	85

C:\Users\Admin\AppData\Local\Temp\Aura.exe
"C:\Users\Admin\AppData\Local\Temp\Aura.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:868
- C:\Users\Admin\AppData\Local\Temp\._cache_Aura.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_Aura.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:376
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 1064
    3⤵
    - Program crash
    PID:5040
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3528
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:812
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 812 -s 1064
      4⤵
      Program crash
      PID:3100

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1780

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 812 -ip 812
1⤵
PID:900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 376 -ip 376
1⤵
PID:4424

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

Synaptics.exe

Path C:\ProgramData\Synaptics\Synaptics.exe
Size 1.1MB
SHA256 639304b762698e16ab000b293e7d6396dbb5124a982c8966e2c93b7879cdf9b3
MD5 c392cb1574f2d18f32b0cb5dcf6e6b14
SHA1 bddb3de1d4e507b74373f93b0f500143324ce38d
SHA512 9c1d15350fede1e96504b185a9462b74e5f83929d849008aba86d3d74bc223868ecd2761a49895f0c37861f7fdba4dc35c73425dd657afb8c07e7720b7bbb9e2
SSDEEP 24576:tnsJ39LyjbJkQFMhmC+6GD95umt7tp7F+:tnsHyjtk2MYC5GDiS7tp7F+
MD5 SHA1 SHA512 SSDEEP

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._cache_Aura.exe

Path C:\Users\Admin\AppData\Local\Temp\._cache_Aura.exe
Size 343KB
SHA256 f45bdf5984dca63e9cb56eedf128d8a720d75df58c60d9943f859a7f5bea337a
MD5 5b82f58dfef767e24021ffc205c14b18
SHA1 1cf35a41bc428fd46c96069dd592b81b2da558aa
SHA512 5e14390ad5526edc775fb2182e5ac101d3d0ee14ee64f4a2a15a8b3092d7afbd72ca475096257121683e69420129b1b3daf44cba3c0de9a8481a086d79182bb7
SSDEEP 3072:TMu8A44fzQZ4B34rke1wk1OFvGtg7BZOUXmFOwlpXsvGtg7BZGUXObOw+pb:KAMZ4c6FvT7/tmFzyvT7/FObQ
MD5 SHA1 SHA512 SSDEEP

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30A75E00

Path C:\Users\Admin\AppData\Local\Temp\30A75E00
Size 23KB
SHA256 75d9848b0b96523d58af69ba1a886b1d96a66792e202faf8393b8c020e13a987
MD5 b814882f2ccb8505cdf5c1f8cd5b10f0
SHA1 dff8c48d6498e24dd3f277f22b680d1245b5d599
SHA512 805453deff75eb34b4eaf446ea2994607d5c28b87aed8dff7d6387b4f60fa78c4a0121f5672deba3bd77ad763750ccd1dffe930526fa6866139e24d743a98c32
SSDEEP 384:MdMt0d4gOlymp+o5bnuWAwU7IMfLRgX0GOjQLbS+/vfo0s:MYuYym4o5buWA/7B6X0GOkL++Q0s
MD5 SHA1 SHA512 SSDEEP

Submit Download

pcOdZ17u.xlsm

Path C:\Users\Admin\AppData\Local\Temp\pcOdZ17u.xlsm
Size 17KB
SHA256 8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15
MD5 e566fc53051035e1e6fd0ed1823de0f9
SHA1 00bc96c48b98676ecd67e81a6f1d7754e4156044
SHA512 a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04
SSDEEP 384:oUaZLPzMfVSa1VvYXmrsdPkLmDAx7r/l0:oUatwNSSvY2IdsHr/y
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/376-118-0x000000007226E000-0x000000007226F000-memory.dmp

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memory/376-131-0x0000000000890000-0x00000000008EC000-memory.dmp

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memory/868-0-0x00000000023C0000-0x00000000023C1000-memory.dmp

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memory/868-129-0x0000000000400000-0x0000000000518000-memory.dmp

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memory/1780-195-0x00007FFCB26B0000-0x00007FFCB26C0000-memory.dmp

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memory/1780-193-0x00007FFCB26B0000-0x00007FFCB26C0000-memory.dmp

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memory/1780-194-0x00007FFCB26B0000-0x00007FFCB26C0000-memory.dmp

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memory/1780-196-0x00007FFCB26B0000-0x00007FFCB26C0000-memory.dmp

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memory/1780-197-0x00007FFCAFD50000-0x00007FFCAFD60000-memory.dmp

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memory/1780-198-0x00007FFCAFD50000-0x00007FFCAFD60000-memory.dmp

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memory/1780-192-0x00007FFCB26B0000-0x00007FFCB26C0000-memory.dmp

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memory/3528-130-0x0000000000660000-0x0000000000661000-memory.dmp

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memory/3528-239-0x0000000000400000-0x0000000000518000-memory.dmp

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memory/3528-240-0x0000000000660000-0x0000000000661000-memory.dmp

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memory/3528-241-0x0000000000400000-0x0000000000518000-memory.dmp

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memory/3528-259-0x0000000000400000-0x0000000000518000-memory.dmp

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memory/3528-282-0x0000000000400000-0x0000000000518000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads