nanocore | 792ace133ae4d03c26c1e389ca5877b8f7caa6c81de1317c7e1c951e19d0118c

Analysis

max time kernel
147s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/09/2024, 14:53 UTC

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General

Target

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
Size

234KB
MD5

74c354622f46923bee5182ca63fc1143
SHA1

6da3cb0a0fc7f16d9dccb864215ccaf3f840129d
SHA256

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572
SHA512

f4232ee760c73db6158a4dd67a212e49d6d9b76d030be95b6089d3229551215efcb68c705b2fe2fa7ce8609a6f11381bfc70a054d55555ec36a4c993a0ec66f5
SSDEEP

6144:E7M9XS2Sf+57gXUYtltyOfYRd3UXon7qI8P5uwwW8oDLNxg:E4VB4UUlZYRd3UC7P+fwW8oDLP

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

91.233.116.105:3389

127.0.0.1:3389

Mutex

810685ff-01a4-43b6-a373-41359790eaeb

Attributes

activate_away_mode
false
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-08-07T14:02:20.733284136Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
3389
default_group
Default
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
810685ff-01a4-43b6-a373-41359790eaeb
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
91.233.116.105
primary_dns_server
8.8.8.8
request_elevation
false
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\IMAP Monitor = "C:\\Program Files (x86)\\IMAP Monitor\\imapmon.exe"	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2968 set thread context of 2796	2968	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	30

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\IMAP Monitor\imapmon.exe	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
File opened for modification	C:\Program Files (x86)\IMAP Monitor\imapmon.exe	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2796	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
2796	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
2796	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
2796	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
2796	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
2796	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2796	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2796	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
Token: SeDebugPrivilege	2796	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 2796	2968	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	30
PID 2968 wrote to memory of 2796	2968	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	30
PID 2968 wrote to memory of 2796	2968	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	30
PID 2968 wrote to memory of 2796	2968	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	30
PID 2968 wrote to memory of 2796	2968	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	30
PID 2968 wrote to memory of 2796	2968	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	30
PID 2968 wrote to memory of 2796	2968	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	30
PID 2968 wrote to memory of 2796	2968	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	30
PID 2968 wrote to memory of 2796	2968	f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe	30

C:\Users\Admin\AppData\Local\Temp\f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
"C:\Users\Admin\AppData\Local\Temp\f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2968
- C:\Users\Admin\AppData\Local\Temp\f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
  C:\Users\Admin\AppData\Local\Temp\f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2796

Network

No results found

91.233.116.105:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

152 B
3
91.233.116.105:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

152 B
3
91.233.116.105:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

152 B
3
127.0.0.1:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
127.0.0.1:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
127.0.0.1:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
91.233.116.105:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

152 B
3
91.233.116.105:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

152 B
3
91.233.116.105:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

152 B
3
127.0.0.1:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
127.0.0.1:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
127.0.0.1:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe
91.233.116.105:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

152 B
3
91.233.116.105:3389

f22478abb9f74da96c1d0b69eb1e0326f4a882de03711d29be2fe286fc6e2572.exe

52 B
1

No results found

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2796-13-0x00000000004B0000-0x00000000004BA000-memory.dmp

Filesize
40KB

Download
memory/2796-14-0x00000000004D0000-0x00000000004DC000-memory.dmp

Filesize
48KB

Download
memory/2796-18-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2796-3-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2796-5-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2796-7-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2796-17-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2796-10-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2796-16-0x0000000000550000-0x000000000055A000-memory.dmp

Filesize
40KB

Download
memory/2796-15-0x00000000004E0000-0x00000000004FE000-memory.dmp

Filesize
120KB

Download
memory/2796-9-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2968-0-0x00000000740CE000-0x00000000740CF000-memory.dmp

Filesize
4KB

Download
memory/2968-8-0x00000000740C0000-0x00000000747AE000-memory.dmp

Filesize
6.9MB

Download
memory/2968-1-0x0000000001170000-0x00000000011B4000-memory.dmp

Filesize
272KB

Download
memory/2968-2-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads

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