nanocore | b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122

General

Target

b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe
Size

191KB
MD5

a5bf5d304e8d48fa9e200e1aadbc82e9
SHA1

2b8fdf9e1438b45a3d49eef23733d64711372168
SHA256

b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122
SHA512

ecf40385562cdec69dd340214b1552608c3341b1c090bb5b7bdfd9d44fb3ceab9d7b978fbb56c4a8624320fb8ab0718d0b23c405315389996e981b69b4c21a1d
SSDEEP

3072:H5Pto80z+vFMCnOzS9FL9sGR2uRyR7QPMtdVBdaPRHxevWkXyxgCvPUHOREG:HM80mniiLU7QPeruRH4W8yKCkHOREG

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:

b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ISS Manager = "C:\\Program Files\\ISS Manager\\issmgr.exe"	b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe

Drops file in Program Files directory 2 IoCs

Processes:

b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe

description	ioc	process
File opened for modification	C:\Program Files\ISS Manager\issmgr.exe	b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe
File created	C:\Program Files\ISS Manager\issmgr.exe	b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.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

780 schtasks.exe
992 schtasks.exe

pid	process
780	schtasks.exe
992	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe

pid	process
1696	b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe
1696	b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe
1696	b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe

pid process

1696 b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe

description	pid	process
Token: SeDebugPrivilege	1696	b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe
Token: SeDebugPrivilege	1696	b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe

description	pid	process	target process
PID 1696 wrote to memory of 780	1696	b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe	schtasks.exe
PID 1696 wrote to memory of 780	1696	b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe	schtasks.exe
PID 1696 wrote to memory of 780	1696	b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe	schtasks.exe
PID 1696 wrote to memory of 992	1696	b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe	schtasks.exe
PID 1696 wrote to memory of 992	1696	b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe	schtasks.exe
PID 1696 wrote to memory of 992	1696	b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.exe
"C:\Users\Admin\AppData\Local\Temp\b22a3facd3066701d920a131edc9458c01a19148e4cacc4176b87c951609d122.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:1696

C:\Windows\system32\schtasks.exe
"schtasks.exe" /create /f /tn "ISS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp499F.tmp"
2⤵
- Creates scheduled task(s)
PID:780

C:\Windows\system32\schtasks.exe
"schtasks.exe" /create /f /tn "ISS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp731F.tmp"
2⤵
- Creates scheduled task(s)
PID:992

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp499F.tmp

Filesize
1KB

MD5
c17fdff6b86af616cdd10fc2395a127b

SHA1
69ceaeed8d31b7eb2ae55475f7afe1bb7826d901

SHA256
e7ca011e5681146d8b0dfd85e658be4011b5b52b0f68250b7b138303c6381b28

SHA512
cb336dfc91e911296458f2363509e6d966c589fdce2882431d3af3d21e8857fe02d02b51018cc5d6e20fa445c791788fd0f1cc3b07f5cdd89a9cc265d1b0ba0f

Download Submit
memory/780-57-0x0000000000000000-mapping.dmp

Download
memory/992-59-0x0000000000000000-mapping.dmp

Download
memory/1696-54-0x000007FEF47D0000-0x000007FEF51F3000-memory.dmp

Filesize
10.1MB

Download
memory/1696-55-0x000007FEF3730000-0x000007FEF47C6000-memory.dmp

Filesize
16.6MB

Download
memory/1696-56-0x0000000002026000-0x0000000002045000-memory.dmp

Filesize
124KB

Download
memory/1696-60-0x0000000002026000-0x0000000002045000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads