nanocore | f29b0b35d584de9410f3ffe75e8e4dbc6d90ecbc6f2c4d9382d8faf33e88d80b

General

Target

56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe
Size

809KB
MD5

56b32528de65ce54153c0cb0c64e5511
SHA1

b442bac54e207e44f4da156ef0130e1b621286f3
SHA256

f29b0b35d584de9410f3ffe75e8e4dbc6d90ecbc6f2c4d9382d8faf33e88d80b
SHA512

3542f57da6582a860ef9f56bd114ea21d058737521e979a31f3568da217e99ffe0dc91a3aaef49022ec887889ddc3200942d8e4be6c95def39005ada26006893
SSDEEP

12288:QxcdRothbvp+S1YSDDCSplnjWgtUanpVkG7LR2ym:QycnbvNuYDtnjWokYR2y

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

goddywin.freedynamicdns.net:1512

Mutex

4f663439-b06a-4c44-84f7-bec5b9a6ff3c

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-11-13T16:34:31.448037936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
1512
default_group
MMM
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
4f663439-b06a-4c44-84f7-bec5b9a6ff3c
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
goddywin.freedynamicdns.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
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

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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Subsystem = "C:\\Program Files (x86)\\TCP Subsystem\\tcpss.exe"	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.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	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2740 set thread context of 2264	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe	34

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\TCP Subsystem\tcpss.exe	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\TCP Subsystem\tcpss.exe	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2596	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe
2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe
2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe
2264	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe
2264	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe
2264	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2264	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe
Token: SeDebugPrivilege	2264	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 2596	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe	31
PID 2740 wrote to memory of 2596	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe	31
PID 2740 wrote to memory of 2596	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe	31
PID 2740 wrote to memory of 2596	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe	31
PID 2740 wrote to memory of 3064	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe	33
PID 2740 wrote to memory of 3064	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe	33
PID 2740 wrote to memory of 3064	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe	33
PID 2740 wrote to memory of 3064	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe	33
PID 2740 wrote to memory of 2264	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe	34
PID 2740 wrote to memory of 2264	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe	34
PID 2740 wrote to memory of 2264	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe	34
PID 2740 wrote to memory of 2264	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe	34
PID 2740 wrote to memory of 2264	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe	34
PID 2740 wrote to memory of 2264	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe	34
PID 2740 wrote to memory of 2264	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe	34
PID 2740 wrote to memory of 2264	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe	34
PID 2740 wrote to memory of 2264	2740	56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe	34

C:\Users\Admin\AppData\Local\Temp\56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AjXgRNTDtGS" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFB8E.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2596
- C:\Users\Admin\AppData\Local\Temp\56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe
  "{path}"
  2⤵
  PID:3064
- C:\Users\Admin\AppData\Local\Temp\56b32528de65ce54153c0cb0c64e5511_JaffaCakes118.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpFB8E.tmp

Filesize
1KB

MD5
ed41c169a1112b6165e8cad55aab1517

SHA1
906eea9f4d5a8c622e40e73d37480c3a4dadb375

SHA256
ff06bf4f72ec662bfdd14af57dbb0328d03edcee85f56b84257dc9184e7839da

SHA512
8c22b4a196e682ec19dcbb47f90f03756eb2663364090c3af485e68261efd4b5b3bb557779c8e5bf95f69e8fafbfae0d3fc99d174df66337a48a802d9954ee9f

Download Submit
memory/2264-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2264-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2264-32-0x0000000074170000-0x000000007485E000-memory.dmp

Filesize
6.9MB

Download
memory/2264-31-0x0000000074170000-0x000000007485E000-memory.dmp

Filesize
6.9MB

Download
memory/2264-30-0x00000000004F0000-0x00000000004FA000-memory.dmp

Filesize
40KB

Download
memory/2264-29-0x00000000004D0000-0x00000000004EE000-memory.dmp

Filesize
120KB

Download
memory/2264-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2264-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2264-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2264-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2264-28-0x00000000004C0000-0x00000000004CA000-memory.dmp

Filesize
40KB

Download
memory/2264-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2264-23-0x0000000074170000-0x000000007485E000-memory.dmp

Filesize
6.9MB

Download
memory/2264-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2264-25-0x0000000074170000-0x000000007485E000-memory.dmp

Filesize
6.9MB

Download
memory/2740-24-0x0000000074170000-0x000000007485E000-memory.dmp

Filesize
6.9MB

Download
memory/2740-0-0x000000007417E000-0x000000007417F000-memory.dmp

Filesize
4KB

Download
memory/2740-2-0x0000000074170000-0x000000007485E000-memory.dmp

Filesize
6.9MB

Download
memory/2740-1-0x0000000000BF0000-0x0000000000CC0000-memory.dmp

Filesize
832KB

Download
memory/2740-5-0x0000000005180000-0x0000000005210000-memory.dmp

Filesize
576KB

Download
memory/2740-4-0x0000000074170000-0x000000007485E000-memory.dmp

Filesize
6.9MB

Download
memory/2740-3-0x00000000002B0000-0x00000000002B8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads