xred | 0c744a4f4902b8c94b87fa579065e1fb2d5f6f2d27a6ebbdff6f3501e2e78c35

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	2025-01-03_85d2c8e0e00f4750107bac6f6b0b3445_icedid.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	Server.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	Synaptics.exe

Executes dropped EXE 7 IoCs

pid	Process
3140	Server.exe
4844	Onetap (1).exe
840	._cache_Server.exe
4396	svchost.exe
1556	Synaptics.exe
4948	._cache_Synaptics.exe
4288	svchost.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"	Server.exe

Creates a Windows Service
persistence

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4844	Onetap (1).exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0007000000023cb6-16.dat	upx
behavioral2/memory/4844-239-0x0000000140000000-0x000000014124B000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\svchost.exe	._cache_Server.exe
File opened for modification	C:\Windows\svchost.exe	._cache_Server.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 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	2025-01-03_85d2c8e0e00f4750107bac6f6b0b3445_icedid.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	._cache_Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.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	svchost.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

System Information Discovery

description	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

Query Registry

System Information Discovery

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1584	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4844	Onetap (1).exe
4844	Onetap (1).exe
4844	Onetap (1).exe
4844	Onetap (1).exe
4844	Onetap (1).exe
4844	Onetap (1).exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4844	Onetap (1).exe

Suspicious use of SetWindowsHookEx 16 IoCs

pid	Process
3976	2025-01-03_85d2c8e0e00f4750107bac6f6b0b3445_icedid.exe
3976	2025-01-03_85d2c8e0e00f4750107bac6f6b0b3445_icedid.exe
840	._cache_Server.exe
4396	svchost.exe
4948	._cache_Synaptics.exe
4288	svchost.exe
4288	svchost.exe
1584	EXCEL.EXE
1584	EXCEL.EXE
4844	Onetap (1).exe
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE
1584	EXCEL.EXE

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 3140	3976	2025-01-03_85d2c8e0e00f4750107bac6f6b0b3445_icedid.exe	83
PID 3976 wrote to memory of 3140	3976	2025-01-03_85d2c8e0e00f4750107bac6f6b0b3445_icedid.exe	83
PID 3976 wrote to memory of 3140	3976	2025-01-03_85d2c8e0e00f4750107bac6f6b0b3445_icedid.exe	83
PID 3976 wrote to memory of 4844	3976	2025-01-03_85d2c8e0e00f4750107bac6f6b0b3445_icedid.exe	84
PID 3976 wrote to memory of 4844	3976	2025-01-03_85d2c8e0e00f4750107bac6f6b0b3445_icedid.exe	84
PID 3140 wrote to memory of 840	3140	Server.exe	85
PID 3140 wrote to memory of 840	3140	Server.exe	85
PID 3140 wrote to memory of 840	3140	Server.exe	85
PID 3140 wrote to memory of 1556	3140	Server.exe	87
PID 3140 wrote to memory of 1556	3140	Server.exe	87
PID 3140 wrote to memory of 1556	3140	Server.exe	87
PID 1556 wrote to memory of 4948	1556	Synaptics.exe	88
PID 1556 wrote to memory of 4948	1556	Synaptics.exe	88
PID 1556 wrote to memory of 4948	1556	Synaptics.exe	88
PID 4396 wrote to memory of 4288	4396	svchost.exe	90
PID 4396 wrote to memory of 4288	4396	svchost.exe	90
PID 4396 wrote to memory of 4288	4396	svchost.exe	90

C:\Users\Admin\AppData\Local\Temp\2025-01-03_85d2c8e0e00f4750107bac6f6b0b3445_icedid.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-03_85d2c8e0e00f4750107bac6f6b0b3445_icedid.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3976
- C:\Users\Admin\AppData\Roaming\Server.exe
  "C:\Users\Admin\AppData\Roaming\Server.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3140
- - C:\Users\Admin\AppData\Local\Temp\._cache_Server.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Server.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:840
- - C:\ProgramData\Synaptics\Synaptics.exe
    "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:1556
  - - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      PID:4948
- C:\Users\Admin\AppData\Roaming\Onetap (1).exe
  "C:\Users\Admin\AppData\Roaming\Onetap (1).exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4844

C:\Windows\svchost.exe
C:\Windows\svchost.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Windows\svchost.exe
  C:\Windows\svchost.exe Win7
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4288

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:1584

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

3

System Information Discovery

4

System Location Discovery

T1614

System Language Discovery