nanocore | 88ca9076cf95fda93c3ccc3d2dff800859ee13cae7043209a483b47812963b2b

General

Target

4c7c0f5f613c66060cf3e490aca57c39.exe
Size

203KB
MD5

4c7c0f5f613c66060cf3e490aca57c39
SHA1

cb79286c9ab591f426935c6cda60728985268b5d
SHA256

88ca9076cf95fda93c3ccc3d2dff800859ee13cae7043209a483b47812963b2b
SHA512

b056e8046cfa5bbc19cca73c7781daaf2303476b13729035bb814901b8b566ee32b5a6fdf62ce6dde19fa12fbcf220b3a38be233ed60d872a41fd994e8146d33
SSDEEP

3072:MzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIYRcungwenxmj35QX3Lqs2j3Go:MLV6Bta6dtJmakIM5TcxA5QHLqxio

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:

4c7c0f5f613c66060cf3e490aca57c39.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NTFS Monitor = "C:\\Program Files (x86)\\NTFS Monitor\\ntfsmon.exe"	4c7c0f5f613c66060cf3e490aca57c39.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

4c7c0f5f613c66060cf3e490aca57c39.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4c7c0f5f613c66060cf3e490aca57c39.exe

Drops file in Program Files directory 2 IoCs

Processes:

4c7c0f5f613c66060cf3e490aca57c39.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	4c7c0f5f613c66060cf3e490aca57c39.exe
File created	C:\Program Files (x86)\NTFS Monitor\ntfsmon.exe	4c7c0f5f613c66060cf3e490aca57c39.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

1052 schtasks.exe
880 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4c7c0f5f613c66060cf3e490aca57c39.exe

pid process

1668 4c7c0f5f613c66060cf3e490aca57c39.exe
1668 4c7c0f5f613c66060cf3e490aca57c39.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

4c7c0f5f613c66060cf3e490aca57c39.exe

pid process

1668 4c7c0f5f613c66060cf3e490aca57c39.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

4c7c0f5f613c66060cf3e490aca57c39.exe

description pid process

Token: SeDebugPrivilege 1668 4c7c0f5f613c66060cf3e490aca57c39.exe

pid	process
1052	schtasks.exe
880	schtasks.exe

pid	process
1668	4c7c0f5f613c66060cf3e490aca57c39.exe
1668	4c7c0f5f613c66060cf3e490aca57c39.exe

pid	process
1668	4c7c0f5f613c66060cf3e490aca57c39.exe

description	pid	process
Token: SeDebugPrivilege	1668	4c7c0f5f613c66060cf3e490aca57c39.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

4c7c0f5f613c66060cf3e490aca57c39.exe

description	pid	process	target process
PID 1668 wrote to memory of 880	1668	4c7c0f5f613c66060cf3e490aca57c39.exe	schtasks.exe
PID 1668 wrote to memory of 880	1668	4c7c0f5f613c66060cf3e490aca57c39.exe	schtasks.exe
PID 1668 wrote to memory of 880	1668	4c7c0f5f613c66060cf3e490aca57c39.exe	schtasks.exe
PID 1668 wrote to memory of 880	1668	4c7c0f5f613c66060cf3e490aca57c39.exe	schtasks.exe
PID 1668 wrote to memory of 1052	1668	4c7c0f5f613c66060cf3e490aca57c39.exe	schtasks.exe
PID 1668 wrote to memory of 1052	1668	4c7c0f5f613c66060cf3e490aca57c39.exe	schtasks.exe
PID 1668 wrote to memory of 1052	1668	4c7c0f5f613c66060cf3e490aca57c39.exe	schtasks.exe
PID 1668 wrote to memory of 1052	1668	4c7c0f5f613c66060cf3e490aca57c39.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\4c7c0f5f613c66060cf3e490aca57c39.exe
"C:\Users\Admin\AppData\Local\Temp\4c7c0f5f613c66060cf3e490aca57c39.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:1668
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "NTFS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFEE9.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:880
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "NTFS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp10C.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1052

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp10C.tmp

Filesize
1KB

MD5
981e126601526eaa5b0ad45c496c4465

SHA1
d610d6a21a8420cc73fcd3e54ddae75a5897b28b

SHA256
11ae277dfa39e7038b782ca6557339e7fe88533fe83705c356a1500a1402d527

SHA512
a59fb704d931ccb7e1ec1a7b98e24ccd8708be529066c6de4b673098cdebef539f7f50d9e051c43954b5a8e7f810862b3a4ede170f131e080dadc3e763ed4bdb

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFEE9.tmp

Filesize
1KB

MD5
b251b92dd22966c7b58160514ac81dfd

SHA1
c1a1c3a06ef0dc3f323d62120b9844be609f4ac6

SHA256
2819149b5b5c963b834473bf8ed8ed107506fddc36b76626ff0c710cd7180a4e

SHA512
e3e47c7ca69c76102e364742a6b0d02fc2e13bb33e21333f23a739df5f7438821fea326c31ec6fe53735d99457d0b5d4c972c2cff9e2a3b69ed542a961750b3b

Download Submit
memory/880-55-0x0000000000000000-mapping.dmp

Download
memory/1052-57-0x0000000000000000-mapping.dmp

Download
memory/1668-54-0x0000000075071000-0x0000000075073000-memory.dmp

Filesize
8KB

Download
memory/1668-58-0x0000000073F70000-0x000000007451B000-memory.dmp

Filesize
5.7MB

Download
memory/1668-60-0x0000000073F70000-0x000000007451B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads