nanocore | 1238f48f4e4b01c29ce390b9156ab6e9c4d3a57a7142510a4750539e92bc7886

General

Target

tmp.exe
Size

1006KB
MD5

f2b39cd2a53dc9ee05fb9ae60f2f39d4
SHA1

47aa15669e2b4bf1b494d10d5b0d80b5303c5fd3
SHA256

1238f48f4e4b01c29ce390b9156ab6e9c4d3a57a7142510a4750539e92bc7886
SHA512

c6d35da2307d83a248b1303f33912e498d4173e223bd4f5d232348d30a375f249d64e74fd945eb712e11f7102e2183184ffc9fcf201d68b353c9f68cbaa35d92
SSDEEP

12288:krRqO6vKuaqrG6O8tjCowhf+Nn95kCMarnDpkDO/VYdU2nVESkTLwrJ:rdraqrG6qVitTDGDvOBSdN

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

muna001.duckdns.org:3637

melionx.duckdns.org:3637

Mutex

589f5987-ea24-4bf9-bdfc-6819b0945699

Attributes

activate_away_mode
true
backup_connection_host
melionx.duckdns.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-11-25T16:37:57.631844936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
3637
default_group
13FEB
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
589f5987-ea24-4bf9-bdfc-6819b0945699
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
muna001.duckdns.org
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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	tmp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2228 set thread context of 2396	2228	tmp.exe	96

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
1056	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2228	tmp.exe
2228	tmp.exe
4128	powershell.exe
2396	RegSvcs.exe
2396	RegSvcs.exe
2396	RegSvcs.exe
4128	powershell.exe
2396	RegSvcs.exe
2396	RegSvcs.exe
2396	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2396	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2228	tmp.exe
Token: SeDebugPrivilege	4128	powershell.exe
Token: SeDebugPrivilege	2396	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 4128	2228	tmp.exe	91
PID 2228 wrote to memory of 4128	2228	tmp.exe	91
PID 2228 wrote to memory of 4128	2228	tmp.exe	91
PID 2228 wrote to memory of 1056	2228	tmp.exe	93
PID 2228 wrote to memory of 1056	2228	tmp.exe	93
PID 2228 wrote to memory of 1056	2228	tmp.exe	93
PID 2228 wrote to memory of 5004	2228	tmp.exe	95
PID 2228 wrote to memory of 5004	2228	tmp.exe	95
PID 2228 wrote to memory of 5004	2228	tmp.exe	95
PID 2228 wrote to memory of 2396	2228	tmp.exe	96
PID 2228 wrote to memory of 2396	2228	tmp.exe	96
PID 2228 wrote to memory of 2396	2228	tmp.exe	96
PID 2228 wrote to memory of 2396	2228	tmp.exe	96
PID 2228 wrote to memory of 2396	2228	tmp.exe	96
PID 2228 wrote to memory of 2396	2228	tmp.exe	96
PID 2228 wrote to memory of 2396	2228	tmp.exe	96
PID 2228 wrote to memory of 2396	2228	tmp.exe	96

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\LHADBnfp.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4128
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LHADBnfp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp41FA.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1056
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  PID:5004
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2396

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

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_m3pgd5bu.i2z.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp41FA.tmp

Filesize
1KB

MD5
f883c458c7bb710ec9c53dfcfa20bae0

SHA1
7f7a8716b5e1adcb1caa2a855d39ffc0585ca647

SHA256
e15978d51d5ceaaf0bd3d5994860dbd8483e310e9bee09224edfdd638ce3c61f

SHA512
3c5a5ba6dd0e198862342d3c9a1e09dac4ea38ad95aba8ba1e2fa965500052b63d4b56d3530441ac313b9e24e8b794aa4238c2bc391e67ee319719ffbf0e1b85

Download Submit
memory/2228-139-0x00000000083D0000-0x000000000846C000-memory.dmp

Filesize
624KB

Download
memory/2228-136-0x00000000051F0000-0x0000000005200000-memory.dmp

Filesize
64KB

Download
memory/2228-137-0x0000000005230000-0x000000000523A000-memory.dmp

Filesize
40KB

Download
memory/2228-138-0x00000000051F0000-0x0000000005200000-memory.dmp

Filesize
64KB

Download
memory/2228-135-0x0000000005290000-0x0000000005322000-memory.dmp

Filesize
584KB

Download
memory/2228-134-0x0000000005840000-0x0000000005DE4000-memory.dmp

Filesize
5.6MB

Download
memory/2228-133-0x00000000008A0000-0x00000000009A2000-memory.dmp

Filesize
1.0MB

Download
memory/2396-194-0x0000000005890000-0x00000000058A0000-memory.dmp

Filesize
64KB

Download
memory/2396-193-0x0000000005890000-0x00000000058A0000-memory.dmp

Filesize
64KB

Download
memory/2396-147-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2396-166-0x0000000005890000-0x00000000058A0000-memory.dmp

Filesize
64KB

Download
memory/2396-165-0x0000000005890000-0x00000000058A0000-memory.dmp

Filesize
64KB

Download
memory/4128-155-0x00000000059E0000-0x0000000005A46000-memory.dmp

Filesize
408KB

Download
memory/4128-181-0x00000000065E0000-0x00000000065FE000-memory.dmp

Filesize
120KB

Download
memory/4128-151-0x0000000004FA0000-0x0000000004FC2000-memory.dmp

Filesize
136KB

Download
memory/4128-164-0x0000000006050000-0x000000000606E000-memory.dmp

Filesize
120KB

Download
memory/4128-150-0x0000000004B50000-0x0000000004B60000-memory.dmp

Filesize
64KB

Download
memory/4128-149-0x0000000004B50000-0x0000000004B60000-memory.dmp

Filesize
64KB

Download
memory/4128-169-0x0000000004B50000-0x0000000004B60000-memory.dmp

Filesize
64KB

Download
memory/4128-170-0x0000000006610000-0x0000000006642000-memory.dmp

Filesize
200KB

Download
memory/4128-171-0x00000000706A0000-0x00000000706EC000-memory.dmp

Filesize
304KB

Download
memory/4128-152-0x00000000058C0000-0x0000000005926000-memory.dmp

Filesize
408KB

Download
memory/4128-182-0x0000000007B40000-0x00000000081BA000-memory.dmp

Filesize
6.5MB

Download
memory/4128-184-0x000000007F2D0000-0x000000007F2E0000-memory.dmp

Filesize
64KB

Download
memory/4128-183-0x0000000007150000-0x000000000716A000-memory.dmp

Filesize
104KB

Download
memory/4128-186-0x00000000071C0000-0x00000000071CA000-memory.dmp

Filesize
40KB

Download
memory/4128-187-0x0000000007600000-0x0000000007696000-memory.dmp

Filesize
600KB

Download
memory/4128-188-0x0000000007240000-0x000000000724E000-memory.dmp

Filesize
56KB

Download
memory/4128-189-0x00000000076A0000-0x00000000076BA000-memory.dmp

Filesize
104KB

Download
memory/4128-190-0x0000000007290000-0x0000000007298000-memory.dmp

Filesize
32KB

Download
memory/4128-146-0x0000000005190000-0x00000000057B8000-memory.dmp

Filesize
6.2MB

Download
memory/4128-144-0x0000000004AC0000-0x0000000004AF6000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads