nanocore | 884817d19480f02d2f427a77afb8ebae0054d09969cfde4f529146c1df20ba75

Analysis

max time kernel
122s
max time network
165s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-08-2022 19:34

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General

Target

tmp.exe
Size

202KB
MD5

77f987c9e1c8c433df17e9eea724f458
SHA1

b003eb8e1d8f8e8350183718e8584007ecf89d05
SHA256

884817d19480f02d2f427a77afb8ebae0054d09969cfde4f529146c1df20ba75
SHA512

dfb938e796e71edc8251a1611685ca333431c26a4e84250f2e23d1365f5cf7be79768c1c3a396e20fee4dc2ebd8a949966ab032e532f958636113c6e2298e8c9
SSDEEP

6144:QLV6Bta6dtJmakIM5O4w9QT09e8iCp1Tz5kln:QLV6BtpmkbIIc8iCp1P5kln

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:

tmp.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\UDP Service = "C:\\Program Files (x86)\\UDP Service\\udpsv.exe"	tmp.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

tmp.exe

description ioc process

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

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

Drops file in Program Files directory 2 IoCs

Processes:

tmp.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\UDP Service\udpsv.exe	tmp.exe
File created	C:\Program Files (x86)\UDP Service\udpsv.exe	tmp.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

tmp.exe

pid process

288 tmp.exe
288 tmp.exe
288 tmp.exe
288 tmp.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

tmp.exe

pid process

288 tmp.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tmp.exe

description pid process

Token: SeDebugPrivilege 288 tmp.exe

pid	process
288	tmp.exe
288	tmp.exe
288	tmp.exe
288	tmp.exe

pid	process
288	tmp.exe

description	pid	process
Token: SeDebugPrivilege	288	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.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
PID:288

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/288-54-0x0000000075351000-0x0000000075353000-memory.dmp

Filesize
8KB

Download
memory/288-55-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/288-56-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download