nanocore | 68ce41ce9dbcb5a93de0193243fc38ca31cd0920827205f546a72139f2561f92

General

Target

F09865480 (1).exe
Size

615KB
MD5

581d9f88bf2bf367e29bab4544111547
SHA1

ccc7a7989411b2cbda4f16c5a145ecfc7b1079c4
SHA256

02eb438f2b627fcb3a502afd3a4b0f1b0d6f2376ee8279580789b57429f7b1f6
SHA512

5b17b52dfd929dbf72bfc5e5b10e89fb3c1245965c3f25c52b9125ba02a86dbc7ed221972ea9a4de67de089fad0ae5514d7b0cc55dbd712efdac0f3e7e0676b9
SSDEEP

12288:VYLW0hOVA9kF5dS4jDiyWiS0FLC+xrb1k65yNZ09:VYphOVdF5IAFS5+ZbkZ09

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

79.110.62.170:4445

Mutex

cb222388-60cd-45a6-86e9-345ab11492c9

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2023-06-30T07:50:17.873975236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4445
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
cb222388-60cd-45a6-86e9-345ab11492c9
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
79.110.62.170
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
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

pid	Process
2744	cdzezwtdgl.exe
2628	cdzezwtdgl.exe

Loads dropped DLL 2 IoCs

pid	Process
2272	F09865480 (1).exe
2744	cdzezwtdgl.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows\CurrentVersion\Run\avfo = "C:\\Users\\Admin\\AppData\\Roaming\\bgpy\\tdmirnwgcluq.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\cdzezwtdgl.exe\" "	cdzezwtdgl.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Service = "C:\\Program Files (x86)\\DHCP Service\\dhcpsvc.exe"	cdzezwtdgl.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	cdzezwtdgl.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 2628	2744	cdzezwtdgl.exe	30

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DHCP Service\dhcpsvc.exe	cdzezwtdgl.exe
File opened for modification	C:\Program Files (x86)\DHCP Service\dhcpsvc.exe	cdzezwtdgl.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2628	cdzezwtdgl.exe
2628	cdzezwtdgl.exe
2628	cdzezwtdgl.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2628	cdzezwtdgl.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2744	cdzezwtdgl.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	cdzezwtdgl.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2744	2272	F09865480 (1).exe	29
PID 2272 wrote to memory of 2744	2272	F09865480 (1).exe	29
PID 2272 wrote to memory of 2744	2272	F09865480 (1).exe	29
PID 2272 wrote to memory of 2744	2272	F09865480 (1).exe	29
PID 2744 wrote to memory of 2628	2744	cdzezwtdgl.exe	30
PID 2744 wrote to memory of 2628	2744	cdzezwtdgl.exe	30
PID 2744 wrote to memory of 2628	2744	cdzezwtdgl.exe	30
PID 2744 wrote to memory of 2628	2744	cdzezwtdgl.exe	30
PID 2744 wrote to memory of 2628	2744	cdzezwtdgl.exe	30

C:\Users\Admin\AppData\Local\Temp\F09865480 (1).exe
"C:\Users\Admin\AppData\Local\Temp\F09865480 (1).exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Users\Admin\AppData\Local\Temp\cdzezwtdgl.exe
  "C:\Users\Admin\AppData\Local\Temp\cdzezwtdgl.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Users\Admin\AppData\Local\Temp\cdzezwtdgl.exe
    "C:\Users\Admin\AppData\Local\Temp\cdzezwtdgl.exe"
    3⤵
    - Executes dropped EXE
    - 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:2628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\DHCP Service\dhcpsvc.exe

Filesize
201KB

MD5
593b9c50b4128b7d0c3b138d6ed111a9

SHA1
88749db00be1837adb36d7e68880855df5faca8b

SHA256
0f1add8ff7645b4ada844e54262d048195edfdc0461a005ecf77067bec056ea5

SHA512
4822c9c87f7f5bc323c5b5e0ba60cc9744700517af0eac5f99b2fea05a9961696986a14852ed8c9b80104eb7c8543e8eabf1647baff92e417bbb2e771263487a

Download Submit
C:\Users\Admin\AppData\Local\Temp\cdzezwtdgl.exe

Filesize
201KB

MD5
593b9c50b4128b7d0c3b138d6ed111a9

SHA1
88749db00be1837adb36d7e68880855df5faca8b

SHA256
0f1add8ff7645b4ada844e54262d048195edfdc0461a005ecf77067bec056ea5

SHA512
4822c9c87f7f5bc323c5b5e0ba60cc9744700517af0eac5f99b2fea05a9961696986a14852ed8c9b80104eb7c8543e8eabf1647baff92e417bbb2e771263487a

Download Submit
C:\Users\Admin\AppData\Local\Temp\cdzezwtdgl.exe

Filesize
201KB

MD5
593b9c50b4128b7d0c3b138d6ed111a9

SHA1
88749db00be1837adb36d7e68880855df5faca8b

SHA256
0f1add8ff7645b4ada844e54262d048195edfdc0461a005ecf77067bec056ea5

SHA512
4822c9c87f7f5bc323c5b5e0ba60cc9744700517af0eac5f99b2fea05a9961696986a14852ed8c9b80104eb7c8543e8eabf1647baff92e417bbb2e771263487a

Download Submit
C:\Users\Admin\AppData\Local\Temp\cdzezwtdgl.exe

Filesize
201KB

MD5
593b9c50b4128b7d0c3b138d6ed111a9

SHA1
88749db00be1837adb36d7e68880855df5faca8b

SHA256
0f1add8ff7645b4ada844e54262d048195edfdc0461a005ecf77067bec056ea5

SHA512
4822c9c87f7f5bc323c5b5e0ba60cc9744700517af0eac5f99b2fea05a9961696986a14852ed8c9b80104eb7c8543e8eabf1647baff92e417bbb2e771263487a

Download Submit
C:\Users\Admin\AppData\Local\Temp\ntxhehab.mhc

Filesize
300KB

MD5
c8c1338c7a3d7793a542710fd98ed80d

SHA1
fc038363f93cc8ce61b3fbcdfc1413fb83d8c957

SHA256
8ca97a4dd338a888fb982d12b1ac4f106bd742611b45e8338a67eb3e0bd117eb

SHA512
f2ed2e9a7efa7f11304aa9e5405bc305fdce6e17d9294d9b980c0eba150399700de6a9fb47fc51baeb0ef8925daabc1fdc98921b82eaccbe9b54c7d2faf24cdd

Download Submit
\Users\Admin\AppData\Local\Temp\cdzezwtdgl.exe

Filesize
201KB

MD5
593b9c50b4128b7d0c3b138d6ed111a9

SHA1
88749db00be1837adb36d7e68880855df5faca8b

SHA256
0f1add8ff7645b4ada844e54262d048195edfdc0461a005ecf77067bec056ea5

SHA512
4822c9c87f7f5bc323c5b5e0ba60cc9744700517af0eac5f99b2fea05a9961696986a14852ed8c9b80104eb7c8543e8eabf1647baff92e417bbb2e771263487a

Download Submit
\Users\Admin\AppData\Local\Temp\cdzezwtdgl.exe

Filesize
201KB

MD5
593b9c50b4128b7d0c3b138d6ed111a9

SHA1
88749db00be1837adb36d7e68880855df5faca8b

SHA256
0f1add8ff7645b4ada844e54262d048195edfdc0461a005ecf77067bec056ea5

SHA512
4822c9c87f7f5bc323c5b5e0ba60cc9744700517af0eac5f99b2fea05a9961696986a14852ed8c9b80104eb7c8543e8eabf1647baff92e417bbb2e771263487a

Download Submit
memory/2628-17-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2628-15-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2628-16-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2628-11-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2628-18-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2628-19-0x0000000000BA0000-0x0000000000BE0000-memory.dmp

Filesize
256KB

Download
memory/2628-20-0x0000000000BA0000-0x0000000000BE0000-memory.dmp

Filesize
256KB

Download
memory/2628-21-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2628-22-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2628-23-0x0000000000BA0000-0x0000000000BE0000-memory.dmp

Filesize
256KB

Download
memory/2628-26-0x0000000000BA0000-0x0000000000BE0000-memory.dmp

Filesize
256KB

Download
memory/2628-27-0x0000000000BA0000-0x0000000000BE0000-memory.dmp

Filesize
256KB

Download
memory/2744-6-0x0000000000110000-0x0000000000112000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads