nanocore | e1ebcf818a956afb18a8d62551d16cfbe7876894dd4190bf7f4ff4565b3d2c74

General

Target

16956258a345cb4638f5144d0119be91.exe
Size

219KB
MD5

16956258a345cb4638f5144d0119be91
SHA1

e3803e1a312380bac799631a4b53c71cec434913
SHA256

e1ebcf818a956afb18a8d62551d16cfbe7876894dd4190bf7f4ff4565b3d2c74
SHA512

4be7da7e759e51f0507a1415e4d50f00a575c577d7b08d5d3d87358b735de43254163043781ff3e732ecb44088b72151d139a427e85bf61744a86e30ef4e5845
SSDEEP

6144:yY1qfShmVODUyNariY931Nblg+LfTzHTLaj:yY1q6mMHY9tL7/M

Score

10^/10

nanocore discovery 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

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\ARP Monitor = "C:\\Program Files (x86)\\ARP Monitor\\arpmon.exe"	16956258a345cb4638f5144d0119be91.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	16956258a345cb4638f5144d0119be91.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ARP Monitor\arpmon.exe	16956258a345cb4638f5144d0119be91.exe
File opened for modification	C:\Program Files (x86)\ARP Monitor\arpmon.exe	16956258a345cb4638f5144d0119be91.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	16956258a345cb4638f5144d0119be91.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
3292	schtasks.exe
2432	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3548	16956258a345cb4638f5144d0119be91.exe
3548	16956258a345cb4638f5144d0119be91.exe
3548	16956258a345cb4638f5144d0119be91.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3548	16956258a345cb4638f5144d0119be91.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3548	16956258a345cb4638f5144d0119be91.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3548 wrote to memory of 3292	3548	16956258a345cb4638f5144d0119be91.exe	86
PID 3548 wrote to memory of 3292	3548	16956258a345cb4638f5144d0119be91.exe	86
PID 3548 wrote to memory of 3292	3548	16956258a345cb4638f5144d0119be91.exe	86
PID 3548 wrote to memory of 2432	3548	16956258a345cb4638f5144d0119be91.exe	88
PID 3548 wrote to memory of 2432	3548	16956258a345cb4638f5144d0119be91.exe	88
PID 3548 wrote to memory of 2432	3548	16956258a345cb4638f5144d0119be91.exe	88

C:\Users\Admin\AppData\Local\Temp\16956258a345cb4638f5144d0119be91.exe
"C:\Users\Admin\AppData\Local\Temp\16956258a345cb4638f5144d0119be91.exe"
1⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3548
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "ARP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8CFE.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3292
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "ARP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8D9B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2432

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

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8CFE.tmp

Filesize
1KB

MD5
864256f4f2e152d57891dc797c5e801a

SHA1
231d80d0db5bff45f619a22b51d0d0287448a16a

SHA256
9671dd25d525f77e4a42134bc859bd4f72d42504a8ba1ab5b681a90399a7c5a5

SHA512
895215efbe820d3782aa3aa7558d82da4ecc8780b7f1157d19b8aac2bc11a7df50e632eb1c30ad755b22cfa28e49a81ee232b2f4f79ef770b8479f03e2988644

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8D9B.tmp

Filesize
1KB

MD5
acc7d7829edec6af26aa18f8ca7776ef

SHA1
29f5290d08127f29924a2eb189e21b9bcfbb6f3a

SHA256
2165ad57e4cd29e911a2861e1fe6366ce11912c95f8e5ede61d247b75753001a

SHA512
07e84e0f7eb030dc0f2efde201c023051a2559dbdcde957fea73669a6e2deac9848cf3503e4e7f9524660d61ead850632bb998f12b73b887dfe841286002bc5b

Download Submit
memory/3548-0-0x0000000075212000-0x0000000075213000-memory.dmp

Filesize
4KB

Download
memory/3548-1-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/3548-2-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/3548-10-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/3548-11-0x0000000075212000-0x0000000075213000-memory.dmp

Filesize
4KB

Download
memory/3548-12-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/3548-13-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download
memory/3548-14-0x0000000075210000-0x00000000757C1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads