nanocore | 5925ea17cc4efd2b4f52887a3d669aa83c52e3aa14df43c7f275d2d9d33ad5df

General

Target

Eral_order_8499248_pdf.exe
Size

308KB
MD5

c87a4d4a3d7055d3fb628e9f5034200a
SHA1

fcaea92aebebd7ed940e1fab475a99d4bb08c45b
SHA256

5925ea17cc4efd2b4f52887a3d669aa83c52e3aa14df43c7f275d2d9d33ad5df
SHA512

e7a6e595c137504d07c5aff68492f0432510afcd9e44ee1d241856ffe77b8dffbc8fd00849868b35576c9fcfdb111d3530b43ae5b64fe0cb9638699e8d2cd193

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.157.162.92:2036

Mutex

8eff5e85-5667-437d-b37d-ffe758cdad30

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-06-22T00:26:55.908410836Z
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
2036
default_group
NETH
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
8eff5e85-5667-437d-b37d-ffe758cdad30
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.157.162.92
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
Loads dropped DLL 1 IoCs

Processes:

Eral_order_8499248_pdf.exe

pid process

1272 Eral_order_8499248_pdf.exe

pid	process
1272	Eral_order_8499248_pdf.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

Eral_order_8499248_pdf.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Eral_order_8499248_pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Eral_order_8499248_pdf.exe

description pid process target process

PID 1272 set thread context of 1308 1272 Eral_order_8499248_pdf.exe Eral_order_8499248_pdf.exe
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

Processes:

schtasks.exe

pid process

572 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Eral_order_8499248_pdf.exe

pid process

1308 Eral_order_8499248_pdf.exe
1308 Eral_order_8499248_pdf.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Eral_order_8499248_pdf.exe

pid process

1308 Eral_order_8499248_pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Eral_order_8499248_pdf.exe

description pid process

Token: SeDebugPrivilege 1308 Eral_order_8499248_pdf.exe

description	pid	process	target process
PID 1272 set thread context of 1308	1272	Eral_order_8499248_pdf.exe	Eral_order_8499248_pdf.exe

pid	process
572	schtasks.exe

pid	process
1308	Eral_order_8499248_pdf.exe
1308	Eral_order_8499248_pdf.exe

pid	process
1308	Eral_order_8499248_pdf.exe

description	pid	process
Token: SeDebugPrivilege	1308	Eral_order_8499248_pdf.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Eral_order_8499248_pdf.exeEral_order_8499248_pdf.exe

description	pid	process	target process
PID 1272 wrote to memory of 1308	1272	Eral_order_8499248_pdf.exe	Eral_order_8499248_pdf.exe
PID 1272 wrote to memory of 1308	1272	Eral_order_8499248_pdf.exe	Eral_order_8499248_pdf.exe
PID 1272 wrote to memory of 1308	1272	Eral_order_8499248_pdf.exe	Eral_order_8499248_pdf.exe
PID 1272 wrote to memory of 1308	1272	Eral_order_8499248_pdf.exe	Eral_order_8499248_pdf.exe
PID 1272 wrote to memory of 1308	1272	Eral_order_8499248_pdf.exe	Eral_order_8499248_pdf.exe
PID 1272 wrote to memory of 1308	1272	Eral_order_8499248_pdf.exe	Eral_order_8499248_pdf.exe
PID 1272 wrote to memory of 1308	1272	Eral_order_8499248_pdf.exe	Eral_order_8499248_pdf.exe
PID 1272 wrote to memory of 1308	1272	Eral_order_8499248_pdf.exe	Eral_order_8499248_pdf.exe
PID 1272 wrote to memory of 1308	1272	Eral_order_8499248_pdf.exe	Eral_order_8499248_pdf.exe
PID 1272 wrote to memory of 1308	1272	Eral_order_8499248_pdf.exe	Eral_order_8499248_pdf.exe
PID 1272 wrote to memory of 1308	1272	Eral_order_8499248_pdf.exe	Eral_order_8499248_pdf.exe
PID 1308 wrote to memory of 572	1308	Eral_order_8499248_pdf.exe	schtasks.exe
PID 1308 wrote to memory of 572	1308	Eral_order_8499248_pdf.exe	schtasks.exe
PID 1308 wrote to memory of 572	1308	Eral_order_8499248_pdf.exe	schtasks.exe
PID 1308 wrote to memory of 572	1308	Eral_order_8499248_pdf.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\Eral_order_8499248_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Eral_order_8499248_pdf.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Users\Admin\AppData\Local\Temp\Eral_order_8499248_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Eral_order_8499248_pdf.exe"
  2⤵
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1308
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "UDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDA29.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:572

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

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpDA29.tmp

MD5
bd22958818967595f1a6d72d0e099e28

SHA1
e4c61a42fe7e6699fe293072b22d60aa6a25522a

SHA256
a3017f87284badfb82725ccbba612e522f97204b2eb0342d68c3af70ff006da6

SHA512
1d8fbbc8c99b718fff56b72f95572dba7c81d64db9e418f35065c9a51fcef17ef384fdcb02765e8eaf6cd35565887aa97c0db799f25473c685b9aba166a52623

Download Submit
\Users\Admin\AppData\Local\Temp\nsnD3B4.tmp\cbehatjjoa.dll

MD5
a2c9f39fb658e262ec11f2b71e51ccb4

SHA1
6346ba3bee37fd6ee00302d248d100d7ab83a3bf

SHA256
014c3580f81d7fec4940cfb878424686dfb892dca045fd1ab424500dd228fbc9

SHA512
852deccdc8041b6457ee24243255a1731134917d48bd18ba79b6c73905541afd19c8d6f68ddbe8b7a23f364310a1a80763b095a71ebddf6294eb37c4ca1bd511

Download Submit
memory/572-62-0x0000000000000000-mapping.dmp

Download
memory/1272-53-0x0000000075331000-0x0000000075333000-memory.dmp

Filesize
8KB

Download
memory/1308-55-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1308-56-0x000000000040188B-mapping.dmp

Download
memory/1308-59-0x0000000001D60000-0x0000000001D61000-memory.dmp

Filesize
4KB

Download
memory/1308-58-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1308-60-0x0000000001D61000-0x0000000001D62000-memory.dmp

Filesize
4KB

Download
memory/1308-61-0x0000000001D62000-0x0000000001D64000-memory.dmp

Filesize
8KB

Download
memory/1308-65-0x0000000001D68000-0x0000000001D69000-memory.dmp

Filesize
4KB

Download
memory/1308-64-0x0000000001D67000-0x0000000001D68000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads