nanocore | 9f0a14be6b3437eb09cca475a3fdcc22bfe51af31abeed95c57be0f61fbffd35

General

Target

agg.exe
Size

543KB
MD5

4dbf422d243020b7c8dbf7f186e9f405
SHA1

4e2e3ee0214f1d20817efc248d10faea235cc4b5
SHA256

9f0a14be6b3437eb09cca475a3fdcc22bfe51af31abeed95c57be0f61fbffd35
SHA512

8b903fae347f8b4576720307b03abfcb2b19ff00a6c29cb2199d911531bc90dff1d438449072d64ab8bd75fa735f05953e95dc04455139e9e4622249ee4f57b9
SSDEEP

12288:HLV6BtpmkUliOEyfOR4BLij8f4McGz0esfr:rApfUIOEyfjA8AMeesfr

Score

10^/10

nanocore defense_evasion discovery keylogger persistence spyware stealer trojan

Malware Config

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Nanocore family
nanocore

Downloads MZ/PE file 1 IoCs

flow	pid	Process
24	2896	Process not Found

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\Microsoft\Windows\CurrentVersion\Run\NAT Monitor = "C:\\Program Files\\NAT Monitor\\natmon.exe"	agg.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

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\NAT Monitor\natmon.exe	agg.exe
File opened for modification	C:\Program Files\NAT Monitor\natmon.exe	agg.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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

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

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4500	MicrosoftEdgeUpdate.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

T1053.005

pid	Process
2244	schtasks.exe
4412	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4128	agg.exe
4128	agg.exe
4128	agg.exe
4128	agg.exe
4128	agg.exe
4128	agg.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4128	agg.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4128	agg.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4128 wrote to memory of 2244	4128	agg.exe	89
PID 4128 wrote to memory of 2244	4128	agg.exe	89
PID 4128 wrote to memory of 4412	4128	agg.exe	91
PID 4128 wrote to memory of 4412	4128	agg.exe	91

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:4128
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks.exe" /create /f /tn "NAT Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp882B.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2244
- C:\Windows\SYSTEM32\schtasks.exe
  "schtasks.exe" /create /f /tn "NAT Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp88A9.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:4412

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7M0E0NUFDMzQtQkFDQy00QUE3LTg3NEEtNjkxQUU5MzlFQ0NDfSIgdXNlcmlkPSJ7QTIwOTYxODAtMzA0RS00OTU1LUI1MzctNzRFMjZGN0YzNTlDfSIgaW5zdGFsbHNvdXJjZT0ibGltaXRlZCIgcmVxdWVzdGlkPSJ7NkVBREJDNjctN0QxOC00MEM1LUIxN0UtMEMyNUQ4NzVDMUM4fSIgZGVkdXA9ImNyIiBkb21haW5qb2luZWQ9IjAiPjxodyBsb2dpY2FsX2NwdXM9IjIiIHBoeXNtZW1vcnk9IjQiIGRpc2tfdHlwZT0iMiIgc3NlPSIxIiBzc2UyPSIxIiBzc2UzPSIxIiBzc3NlMz0iMSIgc3NlNDE9IjEiIHNzZTQyPSIxIiBhdng9IjEiLz48b3MgcGxhdGZvcm09IndpbiIgdmVyc2lvbj0iMTAuMC4xOTA0MS4xMjg4IiBzcD0iIiBhcmNoPSJ4NjQiIHByb2R1Y3RfdHlwZT0iNDgiIGlzX3dpcD0iMCIgaXNfaW5fbG9ja2Rvd25fbW9kZT0iMCIvPjxvZW0gcHJvZHVjdF9tYW51ZmFjdHVyZXI9IiIgcHJvZHVjdF9uYW1lPSIiLz48ZXhwIGV0YWc9IiZxdW90O0UreGJBejZZNnNVMTI4OWJTNnFsNFZSTGJramZCVUdUTUpzanJIcjQ0aUk9JnF1b3Q7Ii8-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU1NzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODAxNjUyMzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MzE1ODg0MDE3Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp882B.tmp

Filesize
1KB

MD5
d6157234b2b6ca8f8d1e697731927364

SHA1
a245df0c0de55ee1aa7c167f2884bbb0b9f479c8

SHA256
0061aab09024753d113b25378f07345ef3b1c4b17db4bb1dcb0a9420486d01e5

SHA512
8c97b01c425a76d7865960febc04ee5196f34d71693f91e75b26bfdfa444ce45e5e1a22f4922894cc0087f1aa68cc6de9c4cd5edfa7454c48c5712b73e8403ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp88A9.tmp

Filesize
1KB

MD5
acfb2df999368129017b4cb2c4826ecb

SHA1
5048b87961fa6fd3656a48595fdf98957653ebbe

SHA256
c44a73b9c7b51a68f6df42a969afacb47e91515b9c2d8fad7308846829799966

SHA512
4fef838f1115e8a9d15e1e1b73d0e848dbb8854cb666d0f32ae2a42d9e9a3757d8f150a99c128a3aa70e96c273ed8ecb8ee256e874b729e2c467c0d3b6b7da48

Download Submit
memory/4128-21-0x000000001CB70000-0x000000001CB7C000-memory.dmp

Filesize
48KB

Download
memory/4128-37-0x00007FF897720000-0x00007FF8980C1000-memory.dmp

Filesize
9.6MB

Download
memory/4128-0-0x00007FF8979D5000-0x00007FF8979D6000-memory.dmp

Filesize
4KB

Download
memory/4128-6-0x00007FF897720000-0x00007FF8980C1000-memory.dmp

Filesize
9.6MB

Download
memory/4128-5-0x0000000000DE0000-0x0000000000DE8000-memory.dmp

Filesize
32KB

Download
memory/4128-7-0x00007FF897720000-0x00007FF8980C1000-memory.dmp

Filesize
9.6MB

Download
memory/4128-2-0x000000001B980000-0x000000001BE4E000-memory.dmp

Filesize
4.8MB

Download
memory/4128-1-0x00007FF897720000-0x00007FF8980C1000-memory.dmp

Filesize
9.6MB

Download
memory/4128-15-0x000000001C960000-0x000000001C96A000-memory.dmp

Filesize
40KB

Download
memory/4128-16-0x00000000016A0000-0x00000000016B2000-memory.dmp

Filesize
72KB

Download
memory/4128-17-0x000000001CB80000-0x000000001CB9A000-memory.dmp

Filesize
104KB

Download
memory/4128-18-0x00007FF897720000-0x00007FF8980C1000-memory.dmp

Filesize
9.6MB

Download
memory/4128-19-0x000000001C370000-0x000000001C37E000-memory.dmp

Filesize
56KB

Download
memory/4128-22-0x000000001CCA0000-0x000000001CCB4000-memory.dmp

Filesize
80KB

Download
memory/4128-4-0x000000001C140000-0x000000001C1E6000-memory.dmp

Filesize
664KB

Download
memory/4128-24-0x00000000015E0000-0x00000000015F4000-memory.dmp

Filesize
80KB

Download
memory/4128-3-0x000000001BEF0000-0x000000001BF8C000-memory.dmp

Filesize
624KB

Download
memory/4128-23-0x0000000000DD0000-0x0000000000DE0000-memory.dmp

Filesize
64KB

Download
memory/4128-25-0x0000000001640000-0x000000000164E000-memory.dmp

Filesize
56KB

Download
memory/4128-26-0x000000001CCB0000-0x000000001CCCE000-memory.dmp

Filesize
120KB

Download
memory/4128-27-0x000000001CD00000-0x000000001CD0A000-memory.dmp

Filesize
40KB

Download
memory/4128-28-0x000000001CD40000-0x000000001CD6E000-memory.dmp

Filesize
184KB

Download
memory/4128-29-0x000000001CCD0000-0x000000001CCE4000-memory.dmp

Filesize
80KB

Download
memory/4128-30-0x00007FF897720000-0x00007FF8980C1000-memory.dmp

Filesize
9.6MB

Download
memory/4128-31-0x00007FF897720000-0x00007FF8980C1000-memory.dmp

Filesize
9.6MB

Download
memory/4128-32-0x00007FF8979D5000-0x00007FF8979D6000-memory.dmp

Filesize
4KB

Download
memory/4128-33-0x00007FF897720000-0x00007FF8980C1000-memory.dmp

Filesize
9.6MB

Download
memory/4128-34-0x00007FF897720000-0x00007FF8980C1000-memory.dmp

Filesize
9.6MB

Download
memory/4128-35-0x00007FF897720000-0x00007FF8980C1000-memory.dmp

Filesize
9.6MB

Download
memory/4128-36-0x00007FF897720000-0x00007FF8980C1000-memory.dmp

Filesize
9.6MB

Download
memory/4128-20-0x000000001C8F0000-0x000000001C902000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads