nanocore | 72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430

General

Target

72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.exe
Size

203KB
MD5

499773a4f35b2e91142e0bc11f808b48
SHA1

cf44b829d145ee4d4e2722e525901216362ba57a
SHA256

72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430
SHA512

88724874dc66e47f14f111f744b303a13ec4197a5ab19e70f2bb50e48797a04cf2d80ffaeed334d436caa4d0fd8b4150b57bf0afb757af6ef15a9369b4b14754
SSDEEP

3072:MzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HI9GQYusdrK6ymbcYmRriGNnm5:MLV6Bta6dtJmakIM5zax0cYgrimm5

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"	72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.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	72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ISS Host\isshost.exe	72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.exe
File opened for modification	C:\Program Files (x86)\ISS Host\isshost.exe	72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.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	72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.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
2076	schtasks.exe
2096	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2548	72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.exe
2548	72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.exe
2548	72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2548	72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2548	72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2548 wrote to memory of 2076	2548	72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.exe	30
PID 2548 wrote to memory of 2076	2548	72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.exe	30
PID 2548 wrote to memory of 2076	2548	72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.exe	30
PID 2548 wrote to memory of 2076	2548	72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.exe	30
PID 2548 wrote to memory of 2096	2548	72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.exe	32
PID 2548 wrote to memory of 2096	2548	72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.exe	32
PID 2548 wrote to memory of 2096	2548	72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.exe	32
PID 2548 wrote to memory of 2096	2548	72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.exe	32

C:\Users\Admin\AppData\Local\Temp\72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.exe
"C:\Users\Admin\AppData\Local\Temp\72dd17ba04fdb3c574b2533d72347adb8cc7a5ad1a2489a9bece2d37448f1430.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:2548
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "ISS Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpBB73.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2076
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "ISS Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpBC1F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2096

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\tmpBB73.tmp

Filesize
1KB

MD5
08f961792042462c52ca3b46e4789056

SHA1
2e9bc8bb5203995957b6a7b3ac78025f52511a15

SHA256
580f8b2ba27b8de1039a036fa1e6425bee533198935f37a78cf895785305f792

SHA512
b718ae7c5d2f99d499db4e2f5cd45e6bebce28948dcc46a00d48d7567c06bdbdb7f0d5d903767acc4eb71a98d7368ccb4161d5429528d0e91e76edaed096f789

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBC1F.tmp

Filesize
1KB

MD5
3d1580c0395f6de62659467f5b7f1acf

SHA1
8e73a3885896cecca7ff799a272fc9ddfe06ea96

SHA256
6f40196c42a171f24a3e16edeca664cdc5a2f7c150d468255b0e14ab10a2b714

SHA512
7637c0d9b03227dffcb00a68d97ddce60bfc40ca0f8a7a4bbd700ea56be6d570908511dea5cab9f609a7da2e558e5298c482fd1e330af085f9c52867d5a847ea

Download Submit
memory/2548-0-0x0000000074DD1000-0x0000000074DD2000-memory.dmp

Filesize
4KB

Download
memory/2548-1-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2548-2-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download
memory/2548-10-0x0000000074DD0000-0x000000007537B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads