nanocore | 6dd242998e3bf37ba2b580706dae32cd8432c46c4d9b770ccb40a826fe57e0c2

General

Target

6dd242998e3bf37ba2b580706dae32cd8432c46c4d9b770ccb40a826fe57e0c2.exe
Size

281KB
MD5

5dd7b9a270e4dcfbbbd1c46b34f5f709
SHA1

a18b2b85a1a723096b11329775eb5d205e3ef2b1
SHA256

6dd242998e3bf37ba2b580706dae32cd8432c46c4d9b770ccb40a826fe57e0c2
SHA512

dc253e84720dec85f6c26f14eda7d833d4905352d41955a278d5fc56a426b585476058b6d386e18a18ef761ee3dfdabffa2f0de085e0e0b6e1f273999979884b
SSDEEP

6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66fKkfq:boSeGUA5YZazpXUmZhZ6S3

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

sysupdate24.ddns.net:45400

Mutex

ae82ab7f-db07-49ee-9d2b-76075d76f37f

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
buffer_size
65535
build_time
2020-04-24T17:41:53.492468936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
45400
default_group
Default
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
ae82ab7f-db07-49ee-9d2b-76075d76f37f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
sysupdate24.ddns.net
primary_dns_server
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

Executes dropped EXE 2 IoCs

pid	Process
2324	a1punf5t2of.exe
2800	a1punf5t2of.exe

Loads dropped DLL 2 IoCs

pid	Process
2152	6dd242998e3bf37ba2b580706dae32cd8432c46c4d9b770ccb40a826fe57e0c2.exe
2324	a1punf5t2of.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe"	6dd242998e3bf37ba2b580706dae32cd8432c46c4d9b770ccb40a826fe57e0c2.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	a1punf5t2of.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2324 set thread context of 2800	2324	a1punf5t2of.exe	30

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2800	a1punf5t2of.exe
2800	a1punf5t2of.exe
2800	a1punf5t2of.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2800	a1punf5t2of.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2800	a1punf5t2of.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2324	2152	6dd242998e3bf37ba2b580706dae32cd8432c46c4d9b770ccb40a826fe57e0c2.exe	29
PID 2152 wrote to memory of 2324	2152	6dd242998e3bf37ba2b580706dae32cd8432c46c4d9b770ccb40a826fe57e0c2.exe	29
PID 2152 wrote to memory of 2324	2152	6dd242998e3bf37ba2b580706dae32cd8432c46c4d9b770ccb40a826fe57e0c2.exe	29
PID 2152 wrote to memory of 2324	2152	6dd242998e3bf37ba2b580706dae32cd8432c46c4d9b770ccb40a826fe57e0c2.exe	29
PID 2152 wrote to memory of 2324	2152	6dd242998e3bf37ba2b580706dae32cd8432c46c4d9b770ccb40a826fe57e0c2.exe	29
PID 2152 wrote to memory of 2324	2152	6dd242998e3bf37ba2b580706dae32cd8432c46c4d9b770ccb40a826fe57e0c2.exe	29
PID 2152 wrote to memory of 2324	2152	6dd242998e3bf37ba2b580706dae32cd8432c46c4d9b770ccb40a826fe57e0c2.exe	29
PID 2324 wrote to memory of 2800	2324	a1punf5t2of.exe	30
PID 2324 wrote to memory of 2800	2324	a1punf5t2of.exe	30
PID 2324 wrote to memory of 2800	2324	a1punf5t2of.exe	30
PID 2324 wrote to memory of 2800	2324	a1punf5t2of.exe	30
PID 2324 wrote to memory of 2800	2324	a1punf5t2of.exe	30
PID 2324 wrote to memory of 2800	2324	a1punf5t2of.exe	30
PID 2324 wrote to memory of 2800	2324	a1punf5t2of.exe	30
PID 2324 wrote to memory of 2800	2324	a1punf5t2of.exe	30
PID 2324 wrote to memory of 2800	2324	a1punf5t2of.exe	30
PID 2324 wrote to memory of 2800	2324	a1punf5t2of.exe	30
PID 2324 wrote to memory of 2800	2324	a1punf5t2of.exe	30
PID 2324 wrote to memory of 2800	2324	a1punf5t2of.exe	30

C:\Users\Admin\AppData\Local\Temp\6dd242998e3bf37ba2b580706dae32cd8432c46c4d9b770ccb40a826fe57e0c2.exe
"C:\Users\Admin\AppData\Local\Temp\6dd242998e3bf37ba2b580706dae32cd8432c46c4d9b770ccb40a826fe57e0c2.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
  "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe
    "C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"
    3⤵
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:2800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe

Filesize
281KB

MD5
7d6706fc2317748fa1148945afdf86ad

SHA1
1400e2a6b0d6f7fe49a4405d95c31576498c8b89

SHA256
7f4b403e35a31c25ec18c51972bf1632c0ab56be73b11c31cb3e3d4ed61e7b28

SHA512
9db50dbfae358aff346c7096c6ffc405f4804f9423930fd2869a58ed417aa42156b5bc6e05f403880bbc88c6f4fc1cac79d72d40305b5374a517c90f9fbeba69

Download Submit
memory/2152-0-0x0000000074A21000-0x0000000074A22000-memory.dmp

Filesize
4KB

Download
memory/2152-1-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2152-2-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2152-3-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2152-12-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2152-13-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2324-17-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2324-15-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2324-16-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2324-14-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2324-40-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2324-39-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2800-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2800-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2800-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2800-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2800-37-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2800-35-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2800-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2800-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads