nanocore | 34ff10730c9e4c37d8d8671582ed5e17ce801280f587c3742aba7b478b79a338

General

Target

8aefabcf687b0ce57b268952a682e4330e01842d.exe
Size

203KB
MD5

697e0f8ff4933bc74eeb786986e83161
SHA1

8aefabcf687b0ce57b268952a682e4330e01842d
SHA256

34ff10730c9e4c37d8d8671582ed5e17ce801280f587c3742aba7b478b79a338
SHA512

cb10ddef9e35e35858ee6e133b45b34694bdd2f8531b245db9161500057187abfa071fd4bf7bde8163a184802e59f81fc902ce9459a25cffbe0f7499f6f3d523
SSDEEP

6144:MLV6Bta6dtJmakIM5sd4SJm9dsJz1ORH4L:MLV6BtpmkBdvzORHE

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
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\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ISS Host = "C:\\Program Files (x86)\\ISS Host\\isshost.exe"	8aefabcf687b0ce57b268952a682e4330e01842d.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	8aefabcf687b0ce57b268952a682e4330e01842d.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\ISS Host\isshost.exe	8aefabcf687b0ce57b268952a682e4330e01842d.exe
File created	C:\Program Files (x86)\ISS Host\isshost.exe	8aefabcf687b0ce57b268952a682e4330e01842d.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	8aefabcf687b0ce57b268952a682e4330e01842d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2132	schtasks.exe
2292	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2448	8aefabcf687b0ce57b268952a682e4330e01842d.exe
2448	8aefabcf687b0ce57b268952a682e4330e01842d.exe
2448	8aefabcf687b0ce57b268952a682e4330e01842d.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2448	8aefabcf687b0ce57b268952a682e4330e01842d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2448	8aefabcf687b0ce57b268952a682e4330e01842d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2132	2448	8aefabcf687b0ce57b268952a682e4330e01842d.exe	31
PID 2448 wrote to memory of 2132	2448	8aefabcf687b0ce57b268952a682e4330e01842d.exe	31
PID 2448 wrote to memory of 2132	2448	8aefabcf687b0ce57b268952a682e4330e01842d.exe	31
PID 2448 wrote to memory of 2132	2448	8aefabcf687b0ce57b268952a682e4330e01842d.exe	31
PID 2448 wrote to memory of 2292	2448	8aefabcf687b0ce57b268952a682e4330e01842d.exe	33
PID 2448 wrote to memory of 2292	2448	8aefabcf687b0ce57b268952a682e4330e01842d.exe	33
PID 2448 wrote to memory of 2292	2448	8aefabcf687b0ce57b268952a682e4330e01842d.exe	33
PID 2448 wrote to memory of 2292	2448	8aefabcf687b0ce57b268952a682e4330e01842d.exe	33

C:\Users\Admin\AppData\Local\Temp\8aefabcf687b0ce57b268952a682e4330e01842d.exe
"C:\Users\Admin\AppData\Local\Temp\8aefabcf687b0ce57b268952a682e4330e01842d.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:2448
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "ISS Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE59E.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2132
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "ISS Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE63B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2292

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\tmpE59E.tmp

Filesize
1KB

MD5
a576466b0e88dbc61bbb7033ad257ed3

SHA1
65de8fe6a1fdbb622622b91d37ccb71cd1f4d1fa

SHA256
b5c1e5d6de760b32b9fdd91ac1571fce426ed1ef12d4be7086da3fcac03a39c1

SHA512
eabc4efbe117aa278426b76d07e285afc117fb7fa430ef9eba27808d7fd51cd81caab2d59dbe8cf8eb817f23989e6fc70415cc04ff03d2f9115030575bda67f3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE63B.tmp

Filesize
1KB

MD5
3d1580c0395f6de62659467f5b7f1acf

SHA1
8e73a3885896cecca7ff799a272fc9ddfe06ea96

SHA256
6f40196c42a171f24a3e16edeca664cdc5a2f7c150d468255b0e14ab10a2b714

SHA512
7637c0d9b03227dffcb00a68d97ddce60bfc40ca0f8a7a4bbd700ea56be6d570908511dea5cab9f609a7da2e558e5298c482fd1e330af085f9c52867d5a847ea

Download Submit
memory/2448-0-0x0000000074561000-0x0000000074562000-memory.dmp

Filesize
4KB

Download
memory/2448-1-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2448-2-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2448-10-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads