nanocore | 6a7fda0b4bb60c7b6a75f790f05a43876df82ddc5b2440f6e9de4008a17b9f9e

Analysis

max time kernel
148s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14-06-2024 10:45

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General

Target

a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe
Size

202KB
MD5

a942643804b1c17f06c0efb585facc12
SHA1

b8b043ae6e19d60a703b0cdc8a402e91fec00074
SHA256

6a7fda0b4bb60c7b6a75f790f05a43876df82ddc5b2440f6e9de4008a17b9f9e
SHA512

27f50f4ea14e2d0b191f621ad32191bc7e5817ceb050269bf83fe7155e8271489dd5db94a56feaf02400d28e314e406b8d9706dad83977ed47c352d4432ca4f1
SSDEEP

3072:wzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIsdZesBvoZx1XHFa/fAtM9gv6P:wLV6Bta6dtJmakIM58sSkTJOFc

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

T1547.001

Modify Registry

T1112

Processes:

a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Subsystem = "C:\\Program Files (x86)\\SMTP Subsystem\\smtpss.exe"	a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\SMTP Subsystem\smtpss.exe	a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\SMTP Subsystem\smtpss.exe	a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe

pid	process
5016	a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe
5016	a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe
5016	a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe
5016	a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe
5016	a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe
5016	a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe

pid process

5016 a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 5016 a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	5016	a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\a942643804b1c17f06c0efb585facc12_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a942643804b1c17f06c0efb585facc12_JaffaCakes118.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:5016

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4136 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
1⤵
PID:4708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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/5016-0-0x0000000074712000-0x0000000074713000-memory.dmp

Filesize
4KB

Download
memory/5016-1-0x0000000074710000-0x0000000074CC1000-memory.dmp

Filesize
5.7MB

Download
memory/5016-2-0x0000000074710000-0x0000000074CC1000-memory.dmp

Filesize
5.7MB

Download
memory/5016-5-0x0000000074710000-0x0000000074CC1000-memory.dmp

Filesize
5.7MB

Download
memory/5016-6-0x0000000074712000-0x0000000074713000-memory.dmp

Filesize
4KB

Download
memory/5016-7-0x0000000074710000-0x0000000074CC1000-memory.dmp

Filesize
5.7MB

Download
memory/5016-8-0x0000000074710000-0x0000000074CC1000-memory.dmp

Filesize
5.7MB

Download
memory/5016-9-0x0000000074710000-0x0000000074CC1000-memory.dmp

Filesize
5.7MB

Download