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 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

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\DSL Manager = "C:\\Program Files\\DSL Manager\\dslmgr.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\DSL Manager\dslmgr.exe	agg.exe
File opened for modification	C:\Program Files\DSL Manager\dslmgr.exe	agg.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
2404	schtasks.exe
1324	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1196	agg.exe
1196	agg.exe
1196	agg.exe
1196	agg.exe
1196	agg.exe
1196	agg.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1196	agg.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1196	agg.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 1324	1196	agg.exe	30
PID 1196 wrote to memory of 1324	1196	agg.exe	30
PID 1196 wrote to memory of 1324	1196	agg.exe	30
PID 1196 wrote to memory of 2404	1196	agg.exe	32
PID 1196 wrote to memory of 2404	1196	agg.exe	32
PID 1196 wrote to memory of 2404	1196	agg.exe	32

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:1196
- C:\Windows\system32\schtasks.exe
  "schtasks.exe" /create /f /tn "DSL Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA795.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1324
- C:\Windows\system32\schtasks.exe
  "schtasks.exe" /create /f /tn "DSL Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA861.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2404

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA795.tmp

Filesize
1KB

MD5
d6157234b2b6ca8f8d1e697731927364

SHA1
a245df0c0de55ee1aa7c167f2884bbb0b9f479c8

SHA256
0061aab09024753d113b25378f07345ef3b1c4b17db4bb1dcb0a9420486d01e5

SHA512
8c97b01c425a76d7865960febc04ee5196f34d71693f91e75b26bfdfa444ce45e5e1a22f4922894cc0087f1aa68cc6de9c4cd5edfa7454c48c5712b73e8403ad

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA861.tmp

Filesize
1KB

MD5
10ae1ba70a0bb6d3ca9aa43f610f1656

SHA1
05add06d0b4a21408f659d233919a7f5fdf5b639

SHA256
521664ecbbcfce4ec86a0d48bea0614d4207ccef37680770657dc8ff593ae0cc

SHA512
3b571ff4ae7ee3448a506dfe793e91dfcef5c830a66a54e59e648111da889bef2aebe563354eec1f267e976eca73c024f314500f21597ff2e80f82db5220a00d

Download Submit
memory/1196-16-0x0000000000D60000-0x0000000000D6C000-memory.dmp

Filesize
48KB

Download
memory/1196-2-0x000007FEF4E80000-0x000007FEF581D000-memory.dmp

Filesize
9.6MB

Download
memory/1196-15-0x0000000000D50000-0x0000000000D62000-memory.dmp

Filesize
72KB

Download
memory/1196-14-0x0000000000420000-0x000000000042E000-memory.dmp

Filesize
56KB

Download
memory/1196-11-0x0000000000AB0000-0x0000000000ABA000-memory.dmp

Filesize
40KB

Download
memory/1196-12-0x0000000000A20000-0x0000000000A32000-memory.dmp

Filesize
72KB

Download
memory/1196-13-0x0000000000AC0000-0x0000000000ADA000-memory.dmp

Filesize
104KB

Download
memory/1196-18-0x0000000001260000-0x0000000001270000-memory.dmp

Filesize
64KB

Download
memory/1196-21-0x00000000012B0000-0x00000000012CE000-memory.dmp

Filesize
120KB

Download
memory/1196-20-0x0000000000410000-0x000000000041E000-memory.dmp

Filesize
56KB

Download
memory/1196-19-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1196-17-0x0000000001250000-0x0000000001264000-memory.dmp

Filesize
80KB

Download
memory/1196-32-0x000007FEF4E80000-0x000007FEF581D000-memory.dmp

Filesize
9.6MB

Download
memory/1196-3-0x000007FEF4E80000-0x000007FEF581D000-memory.dmp

Filesize
9.6MB

Download
memory/1196-1-0x000007FEF4E80000-0x000007FEF581D000-memory.dmp

Filesize
9.6MB

Download
memory/1196-23-0x000007FEF4E80000-0x000007FEF581D000-memory.dmp

Filesize
9.6MB

Download
memory/1196-24-0x00000000012D0000-0x00000000012FE000-memory.dmp

Filesize
184KB

Download
memory/1196-25-0x0000000001270000-0x0000000001284000-memory.dmp

Filesize
80KB

Download
memory/1196-22-0x0000000001280000-0x000000000128A000-memory.dmp

Filesize
40KB

Download
memory/1196-26-0x000007FEF4E80000-0x000007FEF581D000-memory.dmp

Filesize
9.6MB

Download
memory/1196-27-0x000007FEF4E80000-0x000007FEF581D000-memory.dmp

Filesize
9.6MB

Download
memory/1196-28-0x000007FEF513E000-0x000007FEF513F000-memory.dmp

Filesize
4KB

Download
memory/1196-29-0x000007FEF4E80000-0x000007FEF581D000-memory.dmp

Filesize
9.6MB

Download
memory/1196-30-0x000007FEF4E80000-0x000007FEF581D000-memory.dmp

Filesize
9.6MB

Download
memory/1196-31-0x000007FEF4E80000-0x000007FEF581D000-memory.dmp

Filesize
9.6MB

Download
memory/1196-0-0x000007FEF513E000-0x000007FEF513F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads