nanocore | 53ee19e543f3bc05109cfd835a7b7ff3de208ec413e53867807bf0d57fe79e3f

Analysis

max time kernel
157s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
17-04-2024 14:21

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General

Target

451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.exe
Size

202KB
MD5

058443ca2ad90aa69f6e5ca6484ad95f
SHA1

98ff96f5e4c18a5de2c4ce7a008889f3a9c537ef
SHA256

451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262
SHA512

90ee54d080f88924c94d20edbcb8801ef2f361d850eeb6c7f6abbf4bc6bf678150a6833a71b37677fe295a4e87a5e4dd62f1b3dc77ff148e875e6c865b3bda16
SSDEEP

3072:gzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HI26xB/vHXxTVHgUxECr3UQ+7Zt:gLV6Bta6dtJmakIM5eP/vZxECjUQ+7r

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:

451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.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"	451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.exe

Drops file in Program Files directory 2 IoCs

Processes:

451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.exe

description	ioc	process
File created	C:\Program Files (x86)\SMTP Subsystem\smtpss.exe	451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.exe
File opened for modification	C:\Program Files (x86)\SMTP Subsystem\smtpss.exe	451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.exe

pid	process
4444	451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.exe
4444	451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.exe
4444	451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.exe

pid process

4444 451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.exe

description pid process

Token: SeDebugPrivilege 4444 451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.exe

description	pid	process
Token: SeDebugPrivilege	4444	451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.exe

C:\Users\Admin\AppData\Local\Temp\451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.exe
"C:\Users\Admin\AppData\Local\Temp\451c0c00543d2e11080b0f769b081c95a2a4badaa6604ea3bab382e46326c262.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:4444

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=4104 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
1⤵
PID:2276

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/4444-0-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/4444-1-0x0000000001560000-0x0000000001570000-memory.dmp

Filesize
64KB

Download
memory/4444-2-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/4444-3-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/4444-4-0x0000000074F10000-0x00000000754C1000-memory.dmp

Filesize
5.7MB

Download
memory/4444-7-0x0000000001560000-0x0000000001570000-memory.dmp

Filesize
64KB

Download
memory/4444-8-0x0000000001560000-0x0000000001570000-memory.dmp

Filesize
64KB

Download