nanocore | e5e35c2cfe25d9cb5f048b3dcb989b12886db08356b8a1a5241dfae96704e1c9

General

Target

PO-13916654658867654342002.exe
Size

479KB
MD5

6102daa4935e016dea8dc3eec27d2ac1
SHA1

c5320bd4d54b856aa90bc7a92ca9ce5dc22e70ca
SHA256

5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce
SHA512

92d0683cc73ea1479426a5869cc66be21b28482069af8c8fceb69ea183d978d5f600323011c7944a1b618b11e3a56d4371aaf8dcc3238098c4388eccd5115b51

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.157.160.229:60006

neoncorex.duckdns.org:60006

Mutex

1d5c6a3e-60c1-4684-aee7-fbdc0338bfa0

Attributes

activate_away_mode
true
backup_connection_host
neoncorex.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-29T18:43:26.772131836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
60006
default_group
NANOSHIELD
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
1d5c6a3e-60c1-4684-aee7-fbdc0338bfa0
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
185.157.160.229
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
set_critical_process
true
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
Executes dropped EXE 2 IoCs

Processes:

dllinstallprint.exedllinstallprint.exe

pid process

1772 dllinstallprint.exe
1888 dllinstallprint.exe
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RegAsm.exe

description ioc process

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

pid	process
1772	dllinstallprint.exe
1888	dllinstallprint.exe

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

Suspicious use of SetThreadContext 3 IoCs

Processes:

PO-13916654658867654342002.exedllinstallprint.exedllinstallprint.exe

description	pid	process	target process
PID 1228 set thread context of 824	1228	PO-13916654658867654342002.exe	RegAsm.exe
PID 1772 set thread context of 1232	1772	dllinstallprint.exe	RegAsm.exe
PID 1888 set thread context of 748	1888	dllinstallprint.exe	RegAsm.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

576 schtasks.exe
2044 schtasks.exe
1560 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

824 RegAsm.exe
824 RegAsm.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid process

824 RegAsm.exe

pid	process
576	schtasks.exe
2044	schtasks.exe
1560	schtasks.exe

pid	process
824	RegAsm.exe
824	RegAsm.exe

pid	process
824	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

PO-13916654658867654342002.exeRegAsm.exedllinstallprint.exedllinstallprint.exe

description	pid	process
Token: SeDebugPrivilege	1228	PO-13916654658867654342002.exe
Token: SeDebugPrivilege	824	RegAsm.exe
Token: SeDebugPrivilege	1772	dllinstallprint.exe
Token: SeDebugPrivilege	1888	dllinstallprint.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

PO-13916654658867654342002.execmd.exetaskeng.exedllinstallprint.execmd.exedllinstallprint.exe

description	pid	process	target process
PID 1228 wrote to memory of 824	1228	PO-13916654658867654342002.exe	RegAsm.exe
PID 1228 wrote to memory of 824	1228	PO-13916654658867654342002.exe	RegAsm.exe
PID 1228 wrote to memory of 824	1228	PO-13916654658867654342002.exe	RegAsm.exe
PID 1228 wrote to memory of 824	1228	PO-13916654658867654342002.exe	RegAsm.exe
PID 1228 wrote to memory of 824	1228	PO-13916654658867654342002.exe	RegAsm.exe
PID 1228 wrote to memory of 824	1228	PO-13916654658867654342002.exe	RegAsm.exe
PID 1228 wrote to memory of 824	1228	PO-13916654658867654342002.exe	RegAsm.exe
PID 1228 wrote to memory of 824	1228	PO-13916654658867654342002.exe	RegAsm.exe
PID 1228 wrote to memory of 824	1228	PO-13916654658867654342002.exe	RegAsm.exe
PID 1228 wrote to memory of 824	1228	PO-13916654658867654342002.exe	RegAsm.exe
PID 1228 wrote to memory of 824	1228	PO-13916654658867654342002.exe	RegAsm.exe
PID 1228 wrote to memory of 824	1228	PO-13916654658867654342002.exe	RegAsm.exe
PID 1228 wrote to memory of 748	1228	PO-13916654658867654342002.exe	cmd.exe
PID 1228 wrote to memory of 748	1228	PO-13916654658867654342002.exe	cmd.exe
PID 1228 wrote to memory of 748	1228	PO-13916654658867654342002.exe	cmd.exe
PID 1228 wrote to memory of 748	1228	PO-13916654658867654342002.exe	cmd.exe
PID 1228 wrote to memory of 2000	1228	PO-13916654658867654342002.exe	cmd.exe
PID 1228 wrote to memory of 2000	1228	PO-13916654658867654342002.exe	cmd.exe
PID 1228 wrote to memory of 2000	1228	PO-13916654658867654342002.exe	cmd.exe
PID 1228 wrote to memory of 2000	1228	PO-13916654658867654342002.exe	cmd.exe
PID 748 wrote to memory of 1560	748	cmd.exe	schtasks.exe
PID 748 wrote to memory of 1560	748	cmd.exe	schtasks.exe
PID 748 wrote to memory of 1560	748	cmd.exe	schtasks.exe
PID 748 wrote to memory of 1560	748	cmd.exe	schtasks.exe
PID 1684 wrote to memory of 1772	1684	taskeng.exe	dllinstallprint.exe
PID 1684 wrote to memory of 1772	1684	taskeng.exe	dllinstallprint.exe
PID 1684 wrote to memory of 1772	1684	taskeng.exe	dllinstallprint.exe
PID 1684 wrote to memory of 1772	1684	taskeng.exe	dllinstallprint.exe
PID 1684 wrote to memory of 1772	1684	taskeng.exe	dllinstallprint.exe
PID 1684 wrote to memory of 1772	1684	taskeng.exe	dllinstallprint.exe
PID 1684 wrote to memory of 1772	1684	taskeng.exe	dllinstallprint.exe
PID 1772 wrote to memory of 1232	1772	dllinstallprint.exe	RegAsm.exe
PID 1772 wrote to memory of 1232	1772	dllinstallprint.exe	RegAsm.exe
PID 1772 wrote to memory of 1232	1772	dllinstallprint.exe	RegAsm.exe
PID 1772 wrote to memory of 1232	1772	dllinstallprint.exe	RegAsm.exe
PID 1772 wrote to memory of 1232	1772	dllinstallprint.exe	RegAsm.exe
PID 1772 wrote to memory of 1232	1772	dllinstallprint.exe	RegAsm.exe
PID 1772 wrote to memory of 1232	1772	dllinstallprint.exe	RegAsm.exe
PID 1772 wrote to memory of 1232	1772	dllinstallprint.exe	RegAsm.exe
PID 1772 wrote to memory of 1232	1772	dllinstallprint.exe	RegAsm.exe
PID 1772 wrote to memory of 1232	1772	dllinstallprint.exe	RegAsm.exe
PID 1772 wrote to memory of 1232	1772	dllinstallprint.exe	RegAsm.exe
PID 1772 wrote to memory of 1232	1772	dllinstallprint.exe	RegAsm.exe
PID 1772 wrote to memory of 1176	1772	dllinstallprint.exe	cmd.exe
PID 1772 wrote to memory of 1176	1772	dllinstallprint.exe	cmd.exe
PID 1772 wrote to memory of 1176	1772	dllinstallprint.exe	cmd.exe
PID 1772 wrote to memory of 1176	1772	dllinstallprint.exe	cmd.exe
PID 1772 wrote to memory of 768	1772	dllinstallprint.exe	cmd.exe
PID 1772 wrote to memory of 768	1772	dllinstallprint.exe	cmd.exe
PID 1772 wrote to memory of 768	1772	dllinstallprint.exe	cmd.exe
PID 1772 wrote to memory of 768	1772	dllinstallprint.exe	cmd.exe
PID 1176 wrote to memory of 576	1176	cmd.exe	schtasks.exe
PID 1176 wrote to memory of 576	1176	cmd.exe	schtasks.exe
PID 1176 wrote to memory of 576	1176	cmd.exe	schtasks.exe
PID 1176 wrote to memory of 576	1176	cmd.exe	schtasks.exe
PID 1684 wrote to memory of 1888	1684	taskeng.exe	dllinstallprint.exe
PID 1684 wrote to memory of 1888	1684	taskeng.exe	dllinstallprint.exe
PID 1684 wrote to memory of 1888	1684	taskeng.exe	dllinstallprint.exe
PID 1684 wrote to memory of 1888	1684	taskeng.exe	dllinstallprint.exe
PID 1684 wrote to memory of 1888	1684	taskeng.exe	dllinstallprint.exe
PID 1684 wrote to memory of 1888	1684	taskeng.exe	dllinstallprint.exe
PID 1684 wrote to memory of 1888	1684	taskeng.exe	dllinstallprint.exe
PID 1888 wrote to memory of 748	1888	dllinstallprint.exe	RegAsm.exe
PID 1888 wrote to memory of 748	1888	dllinstallprint.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\PO-13916654658867654342002.exe
"C:\Users\Admin\AppData\Local\Temp\PO-13916654658867654342002.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:824
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe'" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:748
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe'" /f
    3⤵
    - Creates scheduled task(s)
    PID:1560
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\PO-13916654658867654342002.exe" "C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe"
  2⤵
  PID:2000

C:\Windows\system32\taskeng.exe
taskeng.exe {50ADA95C-4A93-4F8C-82F4-2A81EFDB403B} S-1-5-21-3456797065-1076791440-4146276586-1000:JZCKHXIN\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe
  C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1772
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:1232
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe'" /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1176
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe'" /f
      4⤵
      Creates scheduled task(s)
      PID:576
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe" "C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe"
    3⤵
    PID:768
- C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe
  C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1888
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    PID:748
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe'" /f
    3⤵
    PID:1764
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe'" /f
      4⤵
      Creates scheduled task(s)
      PID:2044
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe" "C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe"
    3⤵
    PID:1652

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe

MD5
6102daa4935e016dea8dc3eec27d2ac1

SHA1
c5320bd4d54b856aa90bc7a92ca9ce5dc22e70ca

SHA256
5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce

SHA512
92d0683cc73ea1479426a5869cc66be21b28482069af8c8fceb69ea183d978d5f600323011c7944a1b618b11e3a56d4371aaf8dcc3238098c4388eccd5115b51

Download Submit
C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe

MD5
6102daa4935e016dea8dc3eec27d2ac1

SHA1
c5320bd4d54b856aa90bc7a92ca9ce5dc22e70ca

SHA256
5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce

SHA512
92d0683cc73ea1479426a5869cc66be21b28482069af8c8fceb69ea183d978d5f600323011c7944a1b618b11e3a56d4371aaf8dcc3238098c4388eccd5115b51

Download Submit
C:\Users\Admin\AppData\Roaming\dllinstallprint\dllinstallprint.exe

MD5
6102daa4935e016dea8dc3eec27d2ac1

SHA1
c5320bd4d54b856aa90bc7a92ca9ce5dc22e70ca

SHA256
5d192cc1e5d9569479192b9ca7147953428158484ab4f5c0480ad220688fbfce

SHA512
92d0683cc73ea1479426a5869cc66be21b28482069af8c8fceb69ea183d978d5f600323011c7944a1b618b11e3a56d4371aaf8dcc3238098c4388eccd5115b51

Download Submit
memory/576-97-0x0000000000000000-mapping.dmp

Download
memory/748-72-0x0000000000000000-mapping.dmp

Download
memory/748-116-0x0000000005070000-0x0000000005071000-memory.dmp

Filesize
4KB

Download
memory/748-109-0x000000000041E792-mapping.dmp

Download
memory/768-96-0x0000000000000000-mapping.dmp

Download
memory/824-69-0x0000000074F81000-0x0000000074F83000-memory.dmp

Filesize
8KB

Download
memory/824-58-0x0000000000090000-0x00000000000C8000-memory.dmp

Filesize
224KB

Download
memory/824-56-0x0000000000090000-0x00000000000C8000-memory.dmp

Filesize
224KB

Download
memory/824-70-0x0000000000090000-0x0000000000092000-memory.dmp

Filesize
8KB

Download
memory/824-65-0x0000000000090000-0x00000000000C8000-memory.dmp

Filesize
224KB

Download
memory/824-57-0x0000000000090000-0x00000000000C8000-memory.dmp

Filesize
224KB

Download
memory/824-68-0x0000000000090000-0x00000000000C8000-memory.dmp

Filesize
224KB

Download
memory/824-75-0x0000000000660000-0x0000000000665000-memory.dmp

Filesize
20KB

Download
memory/824-76-0x00000000007C0000-0x00000000007D9000-memory.dmp

Filesize
100KB

Download
memory/824-77-0x00000000008E0000-0x00000000008E3000-memory.dmp

Filesize
12KB

Download
memory/824-78-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/824-79-0x0000000000675000-0x0000000000686000-memory.dmp

Filesize
68KB

Download
memory/824-59-0x0000000000090000-0x00000000000C8000-memory.dmp

Filesize
224KB

Download
memory/824-62-0x0000000000090000-0x00000000000C8000-memory.dmp

Filesize
224KB

Download
memory/824-61-0x000000000041E792-mapping.dmp

Download
memory/1176-95-0x0000000000000000-mapping.dmp

Download
memory/1228-55-0x0000000004D80000-0x0000000004D81000-memory.dmp

Filesize
4KB

Download
memory/1228-53-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/1232-93-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1232-90-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1232-91-0x000000000041E792-mapping.dmp

Download
memory/1232-98-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/1560-74-0x0000000000000000-mapping.dmp

Download
memory/1652-114-0x0000000000000000-mapping.dmp

Download
memory/1764-113-0x0000000000000000-mapping.dmp

Download
memory/1772-83-0x0000000000DD0000-0x0000000000DD1000-memory.dmp

Filesize
4KB

Download
memory/1772-81-0x0000000000000000-mapping.dmp

Download
memory/1772-85-0x0000000004EC0000-0x0000000004EC1000-memory.dmp

Filesize
4KB

Download
memory/1888-103-0x0000000004E20000-0x0000000004E21000-memory.dmp

Filesize
4KB

Download
memory/1888-99-0x0000000000000000-mapping.dmp

Download
memory/2000-73-0x0000000000000000-mapping.dmp

Download
memory/2044-115-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads