nanocore | 92ebda551f116bdf61c99aa33bb424d3f18d8a73da7699966ae9449a5e223a2e

General

Target

c5cd7b6c99aa3723e82eb881d442f110_NeikiAnalytics.exe
Size

280KB
MD5

c5cd7b6c99aa3723e82eb881d442f110
SHA1

579464ffb282b6047c9905556c5030f441f2e00c
SHA256

92ebda551f116bdf61c99aa33bb424d3f18d8a73da7699966ae9449a5e223a2e
SHA512

33be3a228c8fdb9e066cf41b1fd598dd391c83bef16abcfa2edfa196ab19624d7f57670b88ddc565032ba3e6ddc09a508ee5d871a2f4b5f797ea56368957e8e3
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfF:boSeGUA5YZazpXUmZhZ6Sc

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sysupdate24.ddns.net:45400

Mutex

ae82ab7f-db07-49ee-9d2b-76075d76f37f

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
buffer_size
65535
build_time
2020-04-24T17:41:53.492468936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
45400
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
ae82ab7f-db07-49ee-9d2b-76075d76f37f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
sysupdate24.ddns.net
primary_dns_server
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

pid	Process
2540	a1punf5t2of.exe
2784	a1punf5t2of.exe

Loads dropped DLL 2 IoCs

pid	Process
1992	c5cd7b6c99aa3723e82eb881d442f110_NeikiAnalytics.exe
2540	a1punf5t2of.exe

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\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	c5cd7b6c99aa3723e82eb881d442f110_NeikiAnalytics.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	a1punf5t2of.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2540 set thread context of 2784	2540	a1punf5t2of.exe	29

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2784	a1punf5t2of.exe
2784	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2784	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2784	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1992 wrote to memory of 2540	1992	c5cd7b6c99aa3723e82eb881d442f110_NeikiAnalytics.exe	28
PID 1992 wrote to memory of 2540	1992	c5cd7b6c99aa3723e82eb881d442f110_NeikiAnalytics.exe	28
PID 1992 wrote to memory of 2540	1992	c5cd7b6c99aa3723e82eb881d442f110_NeikiAnalytics.exe	28
PID 1992 wrote to memory of 2540	1992	c5cd7b6c99aa3723e82eb881d442f110_NeikiAnalytics.exe	28
PID 1992 wrote to memory of 2540	1992	c5cd7b6c99aa3723e82eb881d442f110_NeikiAnalytics.exe	28
PID 1992 wrote to memory of 2540	1992	c5cd7b6c99aa3723e82eb881d442f110_NeikiAnalytics.exe	28
PID 1992 wrote to memory of 2540	1992	c5cd7b6c99aa3723e82eb881d442f110_NeikiAnalytics.exe	28
PID 2540 wrote to memory of 2784	2540	a1punf5t2of.exe	29
PID 2540 wrote to memory of 2784	2540	a1punf5t2of.exe	29
PID 2540 wrote to memory of 2784	2540	a1punf5t2of.exe	29
PID 2540 wrote to memory of 2784	2540	a1punf5t2of.exe	29
PID 2540 wrote to memory of 2784	2540	a1punf5t2of.exe	29
PID 2540 wrote to memory of 2784	2540	a1punf5t2of.exe	29
PID 2540 wrote to memory of 2784	2540	a1punf5t2of.exe	29
PID 2540 wrote to memory of 2784	2540	a1punf5t2of.exe	29
PID 2540 wrote to memory of 2784	2540	a1punf5t2of.exe	29
PID 2540 wrote to memory of 2784	2540	a1punf5t2of.exe	29
PID 2540 wrote to memory of 2784	2540	a1punf5t2of.exe	29
PID 2540 wrote to memory of 2784	2540	a1punf5t2of.exe	29

C:\Users\Admin\AppData\Local\Temp\c5cd7b6c99aa3723e82eb881d442f110_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\c5cd7b6c99aa3723e82eb881d442f110_NeikiAnalytics.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
  "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
    "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
    3⤵
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:2784

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

\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

Filesize
280KB

MD5
ec5738b5b4c24249ed60e5b697b8fe96

SHA1
bfe7bbe9ffcf3dbde5f39c80248c986c0b277226

SHA256
614bc044a95206a11282ce6fad72cb379e526acfe33113632fa6d37d79709730

SHA512
7725126bf43588f60beaa00548e3c6ccf376e2e5f46d9872c508bca420a86c874cdc5943fe3fdf596cf7a3cfef02a3d203ff2bc63d2970fd36766531f6cd970a

Download Submit
memory/1992-0-0x0000000074901000-0x0000000074902000-memory.dmp

Filesize
4KB

Download
memory/1992-1-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download
memory/1992-2-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download
memory/1992-3-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download
memory/1992-12-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download
memory/2540-15-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download
memory/2540-16-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download
memory/2540-13-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download
memory/2540-14-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download
memory/2540-34-0x0000000074900000-0x0000000074EAB000-memory.dmp

Filesize
5.7MB

Download
memory/2784-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2784-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2784-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2784-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2784-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2784-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2784-32-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads