nanocore | 5afad60b5cd65c577738eafeac4574ccf449e05295cba4e1e8b7daaed51e9a1d

General

Target
Order#PPO040963RG02.PDF.exe
Size 574KB
Sample210514-fm87e64fda
SHA256 5afad60b5cd65c577738eafeac4574ccf449e05295cba4e1e8b7daaed51e9a1d
MD5 ee5ec864b059c671de41c94365fe84a3
SHA1 4292525069270bae6d6bfd32c27c90ff0bd90a84
SHA512 f8b24b08472473bab7eeaca0d0b40e5786830a9785e2827e7894beed26b38fa1afce929573005aa2fd6c594ec3be7ecebb8e6c74d9954587861ce05ae504457a
MD5 SHA1 SHA512

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

23.105.131.142:2092
startedhere.ddns.net:2092

Mutex

ba5f434c-3370-4fb7-bec8-4c7f593d07f3

Attributes

activate_away_mode
true
backup_connection_host
startedhere.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-02-21T00:06:19.496724036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
2092
default_group
Grace
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
ba5f434c-3370-4fb7-bec8-4c7f593d07f3
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
23.105.131.142
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1840 set thread context of 1708	1840	Order#PPO040963RG02.PDF.exe	31

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 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
1796	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1708	RegSvcs.exe
1708	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1708	RegSvcs.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 1796	1840	Order#PPO040963RG02.PDF.exe	29
PID 1840 wrote to memory of 1796	1840	Order#PPO040963RG02.PDF.exe	29
PID 1840 wrote to memory of 1796	1840	Order#PPO040963RG02.PDF.exe	29
PID 1840 wrote to memory of 1796	1840	Order#PPO040963RG02.PDF.exe	29
PID 1840 wrote to memory of 1708	1840	Order#PPO040963RG02.PDF.exe	31
PID 1840 wrote to memory of 1708	1840	Order#PPO040963RG02.PDF.exe	31
PID 1840 wrote to memory of 1708	1840	Order#PPO040963RG02.PDF.exe	31
PID 1840 wrote to memory of 1708	1840	Order#PPO040963RG02.PDF.exe	31
PID 1840 wrote to memory of 1708	1840	Order#PPO040963RG02.PDF.exe	31
PID 1840 wrote to memory of 1708	1840	Order#PPO040963RG02.PDF.exe	31
PID 1840 wrote to memory of 1708	1840	Order#PPO040963RG02.PDF.exe	31
PID 1840 wrote to memory of 1708	1840	Order#PPO040963RG02.PDF.exe	31
PID 1840 wrote to memory of 1708	1840	Order#PPO040963RG02.PDF.exe	31
PID 1840 wrote to memory of 1708	1840	Order#PPO040963RG02.PDF.exe	31
PID 1840 wrote to memory of 1708	1840	Order#PPO040963RG02.PDF.exe	31
PID 1840 wrote to memory of 1708	1840	Order#PPO040963RG02.PDF.exe	31

C:\Users\Admin\AppData\Local\Temp\Order#PPO040963RG02.PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Order#PPO040963RG02.PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1840
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OsApLHezwdtD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC0C0.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1796
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1708

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1708-65-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1708-68-0x0000000002450000-0x0000000002451000-memory.dmp

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memory/1708-69-0x0000000002451000-0x0000000002452000-memory.dmp

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memory/1840-60-0x00000000757C1000-0x00000000757C3000-memory.dmp

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memory/1840-61-0x00000000009E0000-0x00000000009E1000-memory.dmp

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memory/1840-62-0x00000000009E1000-0x00000000009E2000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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