nanocore | 0560ac93c3fc234e056519b8f162ddd1bfe36905f54dc9c9088c25972e4a7970

General

Target

Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe
Size

968KB
MD5

8beb5b0227606ded6fb8d361569a33a1
SHA1

6d4ef697c42d499bded4586724570201213321eb
SHA256

0560ac93c3fc234e056519b8f162ddd1bfe36905f54dc9c9088c25972e4a7970
SHA512

e45e3324573aea0486d2cede8754d3697e0683d3cf497aca4390806d0b71701f3ac7f24db655f4a9531b3526076bb6743b9548f57891ad4229135e4bda9bb7c7
SSDEEP

12288:QYT+ykC/7qO71wSY/030fjUZfmC6JtHMxxWGOyTYw:f+ykCZa/kMUZfOaq

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

anglemanagement.ddns.net:9036

anglemanagement039.freeddns.org:9036

Mutex

a2513c3a-8d74-413e-a1e8-a41d734656af

Attributes

activate_away_mode
true
backup_connection_host
anglemanagement039.freeddns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-06-11T22:11:54.136761836Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
9036
default_group
SEPT2022
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
a2513c3a-8d74-413e-a1e8-a41d734656af
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
anglemanagement.ddns.net
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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	Memorandum-Circular No. JGS 038-22 PHILHEALTH.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	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3592 set thread context of 4040	3592	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe	102

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 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
2320	schtasks.exe
1976	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3592	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe
3592	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe
4564	powershell.exe
4564	powershell.exe
4040	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe
4040	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe
4040	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe
4040	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe
4040	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe
4040	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4040	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3592	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe
Token: SeDebugPrivilege	4564	powershell.exe
Token: SeDebugPrivilege	4040	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3592 wrote to memory of 4564	3592	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe	98
PID 3592 wrote to memory of 4564	3592	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe	98
PID 3592 wrote to memory of 4564	3592	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe	98
PID 3592 wrote to memory of 2320	3592	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe	100
PID 3592 wrote to memory of 2320	3592	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe	100
PID 3592 wrote to memory of 2320	3592	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe	100
PID 3592 wrote to memory of 4040	3592	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe	102
PID 3592 wrote to memory of 4040	3592	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe	102
PID 3592 wrote to memory of 4040	3592	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe	102
PID 3592 wrote to memory of 4040	3592	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe	102
PID 3592 wrote to memory of 4040	3592	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe	102
PID 3592 wrote to memory of 4040	3592	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe	102
PID 3592 wrote to memory of 4040	3592	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe	102
PID 3592 wrote to memory of 4040	3592	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe	102
PID 4040 wrote to memory of 1976	4040	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe	103
PID 4040 wrote to memory of 1976	4040	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe	103
PID 4040 wrote to memory of 1976	4040	Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe	103

C:\Users\Admin\AppData\Local\Temp\Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe
"C:\Users\Admin\AppData\Local\Temp\Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3592
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\oWfykWJZalfRC.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4564
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oWfykWJZalfRC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp515C.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2320
- C:\Users\Admin\AppData\Local\Temp\Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe
  "C:\Users\Admin\AppData\Local\Temp\Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe"
  2⤵
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4040
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DHCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5757.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1976

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

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Memorandum-Circular No. JGS 038-22 PHILHEALTH.exe.log

Filesize
1KB

MD5
e08f822522c617a40840c62e4b0fb45e

SHA1
ae516dca4da5234be6676d3f234c19ec55725be7

SHA256
bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

SHA512
894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp515C.tmp

Filesize
1KB

MD5
73ffe75619bbf4ef329d369ec81dd55e

SHA1
61d6872dec59f801ab82b5e05d1946b7d64d1bb6

SHA256
c380d36fefa512669c29e6b92c9a7e47fd9a92be51208416392e4152bcd2b937

SHA512
6d012d715bfad5740d64c9cb03422d80a0495d652ecc9e9b58050b288758d9274d7864fff4aebd8df7f5bb3ad691ab455263477ef1b47069aa6470a5a04ad236

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5757.tmp

Filesize
1KB

MD5
f37c2d6ef41302019dfc34cebd727abf

SHA1
33ee51ad053aa1539a19405b94b5a36ae383ae71

SHA256
0fe2c6341194fb407af7ca7cd4731066fd8b28f68ef67872af554878c0ec4b99

SHA512
4da178543e299d7599a75d0349b1de810549bbbfccad59d6d725807535be68922b83e7c709861221eb8512054519956688daf8c01535dcb4af16ba640571d6e7

Download Submit
memory/3592-135-0x0000000004D40000-0x0000000004D4A000-memory.dmp

Filesize
40KB

Download
memory/3592-136-0x0000000008550000-0x00000000085EC000-memory.dmp

Filesize
624KB

Download
memory/3592-137-0x0000000008980000-0x00000000089E6000-memory.dmp

Filesize
408KB

Download
memory/3592-134-0x0000000004BB0000-0x0000000004C42000-memory.dmp

Filesize
584KB

Download
memory/3592-133-0x0000000005160000-0x0000000005704000-memory.dmp

Filesize
5.6MB

Download
memory/3592-132-0x0000000000100000-0x00000000001F8000-memory.dmp

Filesize
992KB

Download
memory/4040-144-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4564-146-0x0000000005650000-0x0000000005672000-memory.dmp

Filesize
136KB

Download
memory/4564-152-0x0000000070D30000-0x0000000070D7C000-memory.dmp

Filesize
304KB

Download
memory/4564-147-0x0000000005E70000-0x0000000005ED6000-memory.dmp

Filesize
408KB

Download
memory/4564-140-0x0000000002CF0000-0x0000000002D26000-memory.dmp

Filesize
216KB

Download
memory/4564-150-0x00000000065F0000-0x000000000660E000-memory.dmp

Filesize
120KB

Download
memory/4564-151-0x0000000006BD0000-0x0000000006C02000-memory.dmp

Filesize
200KB

Download
memory/4564-143-0x00000000057D0000-0x0000000005DF8000-memory.dmp

Filesize
6.2MB

Download
memory/4564-153-0x0000000006B80000-0x0000000006B9E000-memory.dmp

Filesize
120KB

Download
memory/4564-154-0x0000000007F40000-0x00000000085BA000-memory.dmp

Filesize
6.5MB

Download
memory/4564-155-0x00000000078F0000-0x000000000790A000-memory.dmp

Filesize
104KB

Download
memory/4564-156-0x0000000007960000-0x000000000796A000-memory.dmp

Filesize
40KB

Download
memory/4564-157-0x0000000007B70000-0x0000000007C06000-memory.dmp

Filesize
600KB

Download
memory/4564-158-0x0000000007B20000-0x0000000007B2E000-memory.dmp

Filesize
56KB

Download
memory/4564-159-0x0000000007C30000-0x0000000007C4A000-memory.dmp

Filesize
104KB

Download
memory/4564-160-0x0000000007C10000-0x0000000007C18000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads