nanocore | 9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e

General

Target

9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe
Size

212KB
MD5

0b95e9510884c150fcfd1dcf3b7b4690
SHA1

508f2fbc86b3c286ed24850e0d8dd4e7aa3201a7
SHA256

9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e
SHA512

00d6730eb9d3548d38398bf73e13004f1ebc57b084e5a21af6b609f7a4cb3dba3604b72177fdecfde3ab7fdcea0d8a36c6d8c8ca220dd053a675323a8c1fd6dc
SSDEEP

6144:LbpUyVszXOTsDyR4NZODXwcJ3yoLMDE/9AJZfysU+9PF:LtsDO4UA4DpVy2PlqqsUIF

Score

10^/10

nanocore 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

T1060

Modify Registry

T1112

Processes:

9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Subsystem = "C:\\Program Files (x86)\\DHCP Subsystem\\dhcpss.exe"	9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe

Drops file in Program Files directory 2 IoCs

Processes:

9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe
File opened for modification	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1384 schtasks.exe
1876 schtasks.exe

pid	process
1384	schtasks.exe
1876	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe

pid	process
4848	9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe
4848	9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe
4848	9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe
4848	9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe

pid process

4848 9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe

description pid process

Token: SeDebugPrivilege 4848 9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe

description	pid	process
Token: SeDebugPrivilege	4848	9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe

description	pid	process	target process
PID 4848 wrote to memory of 1384	4848	9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe	schtasks.exe
PID 4848 wrote to memory of 1384	4848	9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe	schtasks.exe
PID 4848 wrote to memory of 1384	4848	9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe	schtasks.exe
PID 4848 wrote to memory of 1876	4848	9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe	schtasks.exe
PID 4848 wrote to memory of 1876	4848	9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe	schtasks.exe
PID 4848 wrote to memory of 1876	4848	9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.exe
"C:\Users\Admin\AppData\Local\Temp\9b2b31e64936fd3888e861f4288eea80d71141f1648113b62dbdac2536d09d4e.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:4848

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1359.tmp"
2⤵
- Creates scheduled task(s)
PID:1384

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp21C1.tmp"
2⤵
- Creates scheduled task(s)
PID:1876

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1359.tmp
Filesize
1KB

MD5
92bd81bfccb444b4751ececf9e5f1e91

SHA1
735f8fb0a7ec23405fb3475cf03b7629e51ba756

SHA256
b47ed60d1bd96a0f0e99963d51f708132c71d03ac70a9b7cffa70124b129ca6a

SHA512
ac448b4aecf89a3054e3573f6f656afb979a46e0e25844fdb0c5e99e06ade5a32d96eebb8281239c849a5a9c9f43230e6e7c911a42bcf35a57c05473291a0ff7

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp21C1.tmp
Filesize
1KB

MD5
2f26d92c1eeead3896820e56ec46f6f1

SHA1
d95533b61eed7d89e4ada56bc566d60e42ac1f61

SHA256
99a158463ce40c750bad6991ae1fceece305a0dbf8e209dd7147b5d539756bfa

SHA512
6c1ed12d5e1afcd9e7f327e0153786fd8594f75a995f341c408ef014e69917452a9fe99c511f0249aceb57b3045b707f1fd3f404e4086cfbf0aadcb3318db892

Download Submit
memory/1384-134-0x0000000000000000-mapping.dmp

Download
memory/1876-136-0x0000000000000000-mapping.dmp

Download
memory/4848-132-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download
memory/4848-133-0x0000000074E40000-0x00000000753F1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads