fatalrat | a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca

System Information Discovery

Processes:

a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exeSynaptics.exe._cache_Synaptics.exe._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	._cache_Synaptics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe

Executes dropped EXE 5 IoCs

Processes:

._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exeSynaptics.exe._cache_Synaptics.exe._cache_Synaptics.exe._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe

pid	Process
3616	._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe
748	Synaptics.exe
808	._cache_Synaptics.exe
4892	._cache_Synaptics.exe
2932	._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe._cache_Synaptics.exea70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SVP7 = "C:\\Users\\Admin\\AppData\\Local\\._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe"	._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SVP7 = "C:\\Users\\Admin\\AppData\\Local\\._cache_Synaptics.exe"	._cache_Synaptics.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe

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

System Information Discovery
T1082

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Modifies registry class 2 IoCs

Processes:

Synaptics.exea70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Synaptics.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid	Process
1484	EXCEL.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe._cache_Synaptics.exe._cache_Synaptics.exe._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe

description	pid	Process
Token: SeDebugPrivilege	3616	._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe
Token: SeDebugPrivilege	808	._cache_Synaptics.exe
Token: SeDebugPrivilege	4892	._cache_Synaptics.exe
Token: SeDebugPrivilege	2932	._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

EXCEL.EXE

pid	Process
1484	EXCEL.EXE
1484	EXCEL.EXE
1484	EXCEL.EXE
1484	EXCEL.EXE
1484	EXCEL.EXE
1484	EXCEL.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exeSynaptics.exe._cache_Synaptics.exe._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe

description	pid	Process	procid_target
PID 648 wrote to memory of 3616	648	a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe	90
PID 648 wrote to memory of 3616	648	a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe	90
PID 648 wrote to memory of 3616	648	a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe	90
PID 648 wrote to memory of 748	648	a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe	91
PID 648 wrote to memory of 748	648	a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe	91
PID 648 wrote to memory of 748	648	a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe	91
PID 748 wrote to memory of 808	748	Synaptics.exe	92
PID 748 wrote to memory of 808	748	Synaptics.exe	92
PID 748 wrote to memory of 808	748	Synaptics.exe	92
PID 808 wrote to memory of 4892	808	._cache_Synaptics.exe	109
PID 808 wrote to memory of 4892	808	._cache_Synaptics.exe	109
PID 808 wrote to memory of 4892	808	._cache_Synaptics.exe	109
PID 3616 wrote to memory of 2932	3616	._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe	110
PID 3616 wrote to memory of 2932	3616	._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe	110
PID 3616 wrote to memory of 2932	3616	._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe	110

C:\Users\Admin\AppData\Local\Temp\a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe
"C:\Users\Admin\AppData\Local\Temp\a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:648
- C:\Users\Admin\AppData\Local\Temp\._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3616
- - C:\Users\Admin\AppData\Local\._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe
    "C:\Users\Admin\AppData\Local\._cache_a70fe514acbae5c180dbd53901ac1b9cfeab7d9c20b8c096eeb0fe124d3f28ca.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2932
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:748
- - C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe
    "C:\Users\Admin\AppData\Local\Temp\._cache_Synaptics.exe" InjUpdate
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:808
  - - C:\Users\Admin\AppData\Local\._cache_Synaptics.exe
      "C:\Users\Admin\AppData\Local\._cache_Synaptics.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:4892

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:1484

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3636 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
1⤵
PID:3668

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