nanocore | 687de7252cdb0aae2bf2fac8f1b35838fb3fcee5c64009455590d8584a5a55a9

General

Target
???OrderAB4410RFQ00106202021.pdf.exe
Size 1.4MB
Sample210623-2twryq9ffe
SHA256 687de7252cdb0aae2bf2fac8f1b35838fb3fcee5c64009455590d8584a5a55a9
MD5 6824a93e24a682743cc4997c88b59568
SHA1 a56d80afb260a477e3b25a44539f1114f6301426
SHA512 7c248b3ccafef8deb5a6834713c9aac8af33f582d4fdf3bd5597fae935efb49c884774ff830468dc77de516419a498962e3c4769279aad8af05ada7fa66d94b1
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

:7735
typejimbo.ddns.net:7735

Mutex

824fadad-b9c4-48de-8d4d-e4438af1199b

Attributes

activate_away_mode
true
backup_connection_host
typejimbo.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-03-29T13:23:32.184055236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
7735
default_group
God
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
824fadad-b9c4-48de-8d4d-e4438af1199b
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ISS Manager = "C:\\Program Files (x86)\\ISS Manager\\issmgr.exe"	___OrderAB4410RFQ00106202021.pdf.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	___OrderAB4410RFQ00106202021.pdf.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4036 set thread context of 3672	4036	___OrderAB4410RFQ00106202021.pdf.exe	82

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ISS Manager\issmgr.exe	___OrderAB4410RFQ00106202021.pdf.exe
File opened for modification	C:\Program Files (x86)\ISS Manager\issmgr.exe	___OrderAB4410RFQ00106202021.pdf.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

pid	Process
4036	___OrderAB4410RFQ00106202021.pdf.exe
4036	___OrderAB4410RFQ00106202021.pdf.exe
4036	___OrderAB4410RFQ00106202021.pdf.exe
4036	___OrderAB4410RFQ00106202021.pdf.exe
4036	___OrderAB4410RFQ00106202021.pdf.exe
4036	___OrderAB4410RFQ00106202021.pdf.exe
4036	___OrderAB4410RFQ00106202021.pdf.exe
4036	___OrderAB4410RFQ00106202021.pdf.exe
4036	___OrderAB4410RFQ00106202021.pdf.exe
4036	___OrderAB4410RFQ00106202021.pdf.exe
4036	___OrderAB4410RFQ00106202021.pdf.exe
3672	___OrderAB4410RFQ00106202021.pdf.exe
3672	___OrderAB4410RFQ00106202021.pdf.exe
3672	___OrderAB4410RFQ00106202021.pdf.exe
3672	___OrderAB4410RFQ00106202021.pdf.exe
3672	___OrderAB4410RFQ00106202021.pdf.exe
3672	___OrderAB4410RFQ00106202021.pdf.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3672	___OrderAB4410RFQ00106202021.pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4036	___OrderAB4410RFQ00106202021.pdf.exe
Token: SeDebugPrivilege	3672	___OrderAB4410RFQ00106202021.pdf.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4036 wrote to memory of 2568	4036	___OrderAB4410RFQ00106202021.pdf.exe	78
PID 4036 wrote to memory of 2568	4036	___OrderAB4410RFQ00106202021.pdf.exe	78
PID 4036 wrote to memory of 2568	4036	___OrderAB4410RFQ00106202021.pdf.exe	78
PID 4036 wrote to memory of 2892	4036	___OrderAB4410RFQ00106202021.pdf.exe	79
PID 4036 wrote to memory of 2892	4036	___OrderAB4410RFQ00106202021.pdf.exe	79
PID 4036 wrote to memory of 2892	4036	___OrderAB4410RFQ00106202021.pdf.exe	79
PID 4036 wrote to memory of 2984	4036	___OrderAB4410RFQ00106202021.pdf.exe	80
PID 4036 wrote to memory of 2984	4036	___OrderAB4410RFQ00106202021.pdf.exe	80
PID 4036 wrote to memory of 2984	4036	___OrderAB4410RFQ00106202021.pdf.exe	80
PID 4036 wrote to memory of 2988	4036	___OrderAB4410RFQ00106202021.pdf.exe	81
PID 4036 wrote to memory of 2988	4036	___OrderAB4410RFQ00106202021.pdf.exe	81
PID 4036 wrote to memory of 2988	4036	___OrderAB4410RFQ00106202021.pdf.exe	81
PID 4036 wrote to memory of 3672	4036	___OrderAB4410RFQ00106202021.pdf.exe	82
PID 4036 wrote to memory of 3672	4036	___OrderAB4410RFQ00106202021.pdf.exe	82
PID 4036 wrote to memory of 3672	4036	___OrderAB4410RFQ00106202021.pdf.exe	82
PID 4036 wrote to memory of 3672	4036	___OrderAB4410RFQ00106202021.pdf.exe	82
PID 4036 wrote to memory of 3672	4036	___OrderAB4410RFQ00106202021.pdf.exe	82
PID 4036 wrote to memory of 3672	4036	___OrderAB4410RFQ00106202021.pdf.exe	82
PID 4036 wrote to memory of 3672	4036	___OrderAB4410RFQ00106202021.pdf.exe	82
PID 4036 wrote to memory of 3672	4036	___OrderAB4410RFQ00106202021.pdf.exe	82

C:\Users\Admin\AppData\Local\Temp\___OrderAB4410RFQ00106202021.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\___OrderAB4410RFQ00106202021.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4036
- C:\Users\Admin\AppData\Local\Temp\___OrderAB4410RFQ00106202021.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\___OrderAB4410RFQ00106202021.pdf.exe"
  2⤵
  PID:2568
- C:\Users\Admin\AppData\Local\Temp\___OrderAB4410RFQ00106202021.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\___OrderAB4410RFQ00106202021.pdf.exe"
  2⤵
  PID:2892
- C:\Users\Admin\AppData\Local\Temp\___OrderAB4410RFQ00106202021.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\___OrderAB4410RFQ00106202021.pdf.exe"
  2⤵
  PID:2984
- C:\Users\Admin\AppData\Local\Temp\___OrderAB4410RFQ00106202021.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\___OrderAB4410RFQ00106202021.pdf.exe"
  2⤵
  PID:2988
- C:\Users\Admin\AppData\Local\Temp\___OrderAB4410RFQ00106202021.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\___OrderAB4410RFQ00106202021.pdf.exe"
  2⤵
  - 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:3672

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3672-116-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/3672-119-0x0000000002C10000-0x0000000002C11000-memory.dmp

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memory/4036-114-0x0000000003350000-0x0000000003351000-memory.dmp

Download

memory/4036-115-0x0000000003351000-0x0000000003352000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads