nanocore | eafe5062cb0fce38399521ab487ca4e7cd81c39811763c011e48921640966d34

Analysis

max time kernel
135s
max time network
149s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
13-10-2022 11:38

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General

Target

ITSARAT.exe
Size

203KB
MD5

5dadfc1c90afe933eb3f76c0432a1067
SHA1

7f3d72b6b7d84df3f9dbc980acf19a4c588793c8
SHA256

eafe5062cb0fce38399521ab487ca4e7cd81c39811763c011e48921640966d34
SHA512

a07ddaea31c008efae8b898332aeaba239fa0f5e7f6c8050851f5f141baca76812ef41d58f6f83c7f217a94ba68635ec7e7bb00ff481c0b0d3384c48736441c8
SSDEEP

6144:cLV6Bta6dtJmakIM59+ZeHyUHKlbK46HylxXAjN:cLV6BtpmkdZeL2KhxjN

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:

ITSARAT.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AGP Manager = "C:\\Program Files (x86)\\AGP Manager\\agpmgr.exe"	ITSARAT.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

ITSARAT.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ITSARAT.exe

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

Drops file in Program Files directory 2 IoCs

Processes:

ITSARAT.exe

description	ioc	process
File created	C:\Program Files (x86)\AGP Manager\agpmgr.exe	ITSARAT.exe
File opened for modification	C:\Program Files (x86)\AGP Manager\agpmgr.exe	ITSARAT.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

1268 schtasks.exe
1504 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

ITSARAT.exe

pid process

1368 ITSARAT.exe
1368 ITSARAT.exe
1368 ITSARAT.exe
1368 ITSARAT.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

ITSARAT.exe

pid process

1368 ITSARAT.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ITSARAT.exe

description pid process

Token: SeDebugPrivilege 1368 ITSARAT.exe

pid	process
1268	schtasks.exe
1504	schtasks.exe

pid	process
1368	ITSARAT.exe
1368	ITSARAT.exe
1368	ITSARAT.exe
1368	ITSARAT.exe

pid	process
1368	ITSARAT.exe

description	pid	process
Token: SeDebugPrivilege	1368	ITSARAT.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

ITSARAT.exe

description	pid	process	target process
PID 1368 wrote to memory of 1268	1368	ITSARAT.exe	schtasks.exe
PID 1368 wrote to memory of 1268	1368	ITSARAT.exe	schtasks.exe
PID 1368 wrote to memory of 1268	1368	ITSARAT.exe	schtasks.exe
PID 1368 wrote to memory of 1268	1368	ITSARAT.exe	schtasks.exe
PID 1368 wrote to memory of 1504	1368	ITSARAT.exe	schtasks.exe
PID 1368 wrote to memory of 1504	1368	ITSARAT.exe	schtasks.exe
PID 1368 wrote to memory of 1504	1368	ITSARAT.exe	schtasks.exe
PID 1368 wrote to memory of 1504	1368	ITSARAT.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\ITSARAT.exe
"C:\Users\Admin\AppData\Local\Temp\ITSARAT.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:1368

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2C4F.tmp"
2⤵
- Creates scheduled task(s)
PID:1268

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3304.tmp"
2⤵
- Creates scheduled task(s)
PID:1504

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2C4F.tmp
Filesize
1KB

MD5
7197d8046458b144a4a2b58ce0a87743

SHA1
a84c96e0452f099157ed863bd0171d0c7c2de840

SHA256
fe28b5043f9a26facb2cf80040528507259cd13ff61776f2cd9b3e8d0774e53e

SHA512
0806843540037341f958b1189c8aae361b6994ef868871e403497763385033b57b3518f0f19026a4b89753bcebb4535f69b1de7ee06e9dd2b1a5c49ab14df43a

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3304.tmp
Filesize
1KB

MD5
885d6dd30570594e167fadb59d9ca0ea

SHA1
9981e583644c4eb9cf5056615a0e1c2913c8983b

SHA256
7155bc082d1713d77c2797575ee0ade8467fb7012f5376c1d6f4aa618141a7d2

SHA512
1623218143c2c25a7c85fa9da8e0f251f04a5eb848c4d0aa10bfb78688518b82393a2b3c7f287a9dc06a366ef9f46d0d4e2d246ad4cef4554a74c0bb6ff9dd2a

Download Submit
memory/1268-55-0x0000000000000000-mapping.dmp

Download
memory/1368-54-0x0000000074E41000-0x0000000074E43000-memory.dmp

Filesize
8KB

Download
memory/1368-57-0x0000000074160000-0x000000007470B000-memory.dmp

Filesize
5.7MB

Download
memory/1368-60-0x0000000074160000-0x000000007470B000-memory.dmp

Filesize
5.7MB

Download
memory/1504-58-0x0000000000000000-mapping.dmp

Download