nanocore | 9f0a14be6b3437eb09cca475a3fdcc22bfe51af31abeed95c57be0f61fbffd35

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	agg.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\DPI Service\dpisvc.exe	agg.exe
File opened for modification	C:\Program Files\DPI Service\dpisvc.exe	agg.exe

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wermgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2240	MicrosoftEdgeUpdate.exe
4988	MicrosoftEdgeUpdate.exe
5056	MicrosoftEdgeUpdate.exe

Checks processor information in registry 2 TTPs 7 IoCs

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

Query Registry

T1012

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	wermgr.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	wermgr.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	wermgr.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

pid	Process
3288	schtasks.exe
4336	schtasks.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
1528	agg.exe
1528	agg.exe
1528	agg.exe
1528	agg.exe
1528	agg.exe
1528	agg.exe
1528	agg.exe
1528	agg.exe
1528	agg.exe
1528	agg.exe
1528	agg.exe
1528	agg.exe
1528	agg.exe
1528	agg.exe
1528	agg.exe
1528	agg.exe
1528	agg.exe
1528	agg.exe
1496	MicrosoftEdgeUpdate.exe
1496	MicrosoftEdgeUpdate.exe
1496	MicrosoftEdgeUpdate.exe
1496	MicrosoftEdgeUpdate.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1528	agg.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1528	agg.exe
Token: SeDebugPrivilege	1496	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 3288	1528	agg.exe	88
PID 1528 wrote to memory of 3288	1528	agg.exe	88
PID 1528 wrote to memory of 4336	1528	agg.exe	90
PID 1528 wrote to memory of 4336	1528	agg.exe	90

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\agg.exe
"C:\Users\Admin\AppData\Local\Temp\agg.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks.exe" /create /f /tn "DPI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF5AA.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:3288
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks.exe" /create /f /tn "DPI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpF5DA.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4336

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PG9lbSBwcm9kdWN0X21hbnVmYWN0dXJlcj0iIiBwcm9kdWN0X25hbWU9IiIvPjxleHAgZXRhZz0iJnF1b3Q7RSt4YkF6Nlk2c1UxMjg5YlM2cWw0VlJMYmtqZkJVR1RNSnNqckhyNDRpST0mcXVvdDsiLz48YXBwIGFwcGlkPSJ7OEE2OUQzNDUtRDU2NC00NjNjLUFGRjEtQTY5RDlFNTMwRjk2fSIgdmVyc2lvbj0iMTIzLjAuNjMxMi4xMjMiIG5leHR2ZXJzaW9uPSIiIGxhbmc9ImVuIiBicmFuZD0iR0dMUyIgY2xpZW50PSIiIGluc3RhbGxhZ2U9IjAiIGluc3RhbGxkYXRldGltZT0iMTczODk1NjQ2OSIgb29iZV9pbnN0YWxsX3RpbWU9IjEzMzgzNDI5MTM1MzQ4MDAwMCI-PGV2ZW50IGV2ZW50dHlwZT0iMzEiIGV2ZW50cmVzdWx0PSIxIiBlcnJvcmNvZGU9IjAiIGV4dHJhY29kZTE9IjIxNzk4NjIiIHN5c3RlbV91cHRpbWVfdGlja3M9IjQ5OTM2MzQyOTciLz48L2FwcD48L3JlcXVlc3Q-
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4988

C:\Windows\SysWOW64\wermgr.exe
"C:\Windows\system32\wermgr.exe" "-outproc" "0" "3508" "1252" "1256" "1264" "0" "0" "0" "0" "0" "0" "0" "0"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
PID:4900

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7MEMwRkM3QzEtNjEwNS00RUI3LTlBMEQtRjNDRUE5REE2MjM0fSIgdXNlcmlkPSJ7NkVDQjE1MzItN0EzNS00MkM5LTg1OTMtMjVDQUREQzRDOUFFfSIgaW5zdGFsbHNvdXJjZT0ic2NoZWR1bGVyIiByZXF1ZXN0aWQ9IntBMjI2OEUyRi1GMzJFLTQyRjgtQTU5MC04RTVBNUQ2ODQzNUZ9IiBkZWR1cD0iY3IiIGRvbWFpbmpvaW5lZD0iMCI-PGh3IGxvZ2ljYWxfY3B1cz0iMiIgcGh5c21lbW9yeT0iNCIgZGlza190eXBlPSIyIiBzc2U9IjEiIHNzZTI9IjEiIHNzZTM9IjEiIHNzc2UzPSIxIiBzc2U0MT0iMSIgc3NlNDI9IjEiIGF2eD0iMSIvPjxvcyBwbGF0Zm9ybT0id2luIiB2ZXJzaW9uPSIxMC4wLjIyMDAwLjQ5MyIgc3A9IiIgYXJjaD0ieDY0IiBwcm9kdWN0X3R5cGU9IjQ4IiBpc193aXA9IjAiIGlzX2luX2xvY2tkb3duX21vZGU9IjAiLz48b2VtIHByb2R1Y3RfbWFudWZhY3R1cmVyPSIiIHByb2R1Y3RfbmFtZT0iIi8-PGV4cCBldGFnPSImcXVvdDtWUFFvUDFGK2ZxMTV3UnpoMWtQTDRQTXBXaDhPUk1CNWl6dnJPQy9jaGpRPSZxdW90OyIvPjxhcHAgYXBwaWQ9Ins1NkVCMThGOC1CMDA4LTRDQkQtQjZEMi04Qzk3RkU3RTkwNjJ9IiB2ZXJzaW9uPSIxMzMuMC4zMDY1LjUxIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSIiIGJyYW5kPSJJTkJYIiBjbGllbnQ9IiIgaW5zdGFsbGFnZT0iMCIgaW5zdGFsbGRhdGV0aW1lPSIxNzM4OTU1OTg2Ij48ZXZlbnQgZXZlbnR0eXBlPSIzMiIgZXZlbnRyZXN1bHQ9IjEiIGVycm9yY29kZT0iMCIgZXh0cmFjb2RlMT0iNCIgc3lzdGVtX3VwdGltZV90aWNrcz0iNTAwMjA3MTg0OCIvPjwvYXBwPjwvcmVxdWVzdD4
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:5056

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7MEMwRkM3QzEtNjEwNS00RUI3LTlBMEQtRjNDRUE5REE2MjM0fSIgdXNlcmlkPSJ7NkVDQjE1MzItN0EzNS00MkM5LTg1OTMtMjVDQUREQzRDOUFFfSIgaW5zdGFsbHNvdXJjZT0ic2NoZWR1bGVyIiByZXF1ZXN0aWQ9InszMDQwNUJBQS1FNDk1LTREMDMtOTk1NS03MEI3NUQwMkU1RER9IiBkZWR1cD0iY3IiIGRvbWFpbmpvaW5lZD0iMCI-PGh3IGxvZ2ljYWxfY3B1cz0iMiIgcGh5c21lbW9yeT0iNCIgZGlza190eXBlPSIyIiBzc2U9IjEiIHNzZTI9IjEiIHNzZTM9IjEiIHNzc2UzPSIxIiBzc2U0MT0iMSIgc3NlNDI9IjEiIGF2eD0iMSIvPjxvcyBwbGF0Zm9ybT0id2luIiB2ZXJzaW9uPSIxMC4wLjIyMDAwLjQ5MyIgc3A9IiIgYXJjaD0ieDY0IiBwcm9kdWN0X3R5cGU9IjQ4IiBpc193aXA9IjAiIGlzX2luX2xvY2tkb3duX21vZGU9IjAiLz48b2VtIHByb2R1Y3RfbWFudWZhY3R1cmVyPSIiIHByb2R1Y3RfbmFtZT0iIi8-PGV4cCBldGFnPSImcXVvdDtWUFFvUDFGK2ZxMTV3UnpoMWtQTDRQTXBXaDhPUk1CNWl6dnJPQy9jaGpRPSZxdW90OyIvPjxhcHAgYXBwaWQ9IntGM0M0RkUwMC1FRkQ1LTQwM0ItOTU2OS0zOThBMjBGMUJBNEF9IiB2ZXJzaW9uPSIxLjMuMTk1LjQzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSIiIGJyYW5kPSJJTkJYIiBjbGllbnQ9IiIgaW5zdGFsbGFnZT0iMCIgY29ob3J0PSJycmZAMC42MCI-PHVwZGF0ZWNoZWNrLz48cGluZyByPSIxIiByZD0iNjYxMiIgcGluZ19mcmVzaG5lc3M9IntFRTgzQjkzNS0yMTBGLTRFNzktOTg3OS02MTAzNjcwMTFGRTV9Ii8-PC9hcHA-PGFwcCBhcHBpZD0iezU2RUIxOEY4LUIwMDgtNENCRC1CNkQyLThDOTdGRTdFOTA2Mn0iIHZlcnNpb249IjEzMy4wLjMwNjUuNTEiIG5leHR2ZXJzaW9uPSIiIGxhbmc9IiIgYnJhbmQ9IklOQlgiIGNsaWVudD0iIiBleHBlcmltZW50cz0iY29uc2VudD1mYWxzZSIgaW5zdGFsbGFnZT0iMCIgY29ob3J0PSJycmZAMC4wMSIgb29iZV9pbnN0YWxsX3RpbWU9IjE4NDQ2NzQ0MDczNzA5NTUxNjA2IiB1cGRhdGVfY291bnQ9IjEiIGxhc3RfbGF1bmNoX2NvdW50PSIxIiBsYXN0X2xhdW5jaF90aW1lPSIxMzM4MzQzMjQ0MzE3NTYzMjAiPjx1cGRhdGVjaGVjay8-PHBpbmcgYWN0aXZlPSIxIiBhPSIxIiByPSIxIiBhZD0iNjYxMiIgcmQ9IjY2MTIiIHBpbmdfZnJlc2huZXNzPSJ7MUJEQjBFOUUtOUMzQy00MDMwLTlEMjEtNkNDREQxMTlEMkFBfSIvPjwvYXBwPjxhcHAgYXBwaWQ9IntGMzAxNzIyNi1GRTJBLTQyOTUtOEJERi0wMEMzQTlBN0U0QzV9IiB2ZXJzaW9uPSIxMzIuMC4yOTU3LjE0MCIgbmV4dHZlcnNpb249IiIgbGFuZz0iIiBicmFuZD0iSU5CWCIgY2xpZW50PSIiIGluc3RhbGxhZ2U9IjAiIGNvaG9ydD0icnJmQDAuNDMiIHVwZGF0ZV9jb3VudD0iMSI-PHVwZGF0ZWNoZWNrLz48cGluZyByPSIxIiByZD0iNjYxMiIgcGluZ19mcmVzaG5lc3M9InswNzM0NEQxMi1BNEY0LTQ4OTQtQkM3My00QkZEQzBFNkJDQzF9Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2240

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 --string-annotations --always-read-main-dll --field-trial-handle=3836,i,4562100277163084989,990114372951809185,262144 --variations-seed-version --mojo-platform-channel-handle=3148 /prefetch:14
1⤵
PID:4996

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --string-annotations --always-read-main-dll --field-trial-handle=4572,i,4562100277163084989,990114372951809185,262144 --variations-seed-version --mojo-platform-channel-handle=5248 /prefetch:14
1⤵
PID:1516

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ua /installsource scheduler
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1496

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 --string-annotations --always-read-main-dll --field-trial-handle=5244,i,4562100277163084989,990114372951809185,262144 --variations-seed-version --mojo-platform-channel-handle=3852 /prefetch:14
1⤵
PID:4892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery