nanocore | d64cd4a918bd40b2c44f23ac7467e2c943240caea832d208bd3bd8e46d54c064

General

Target

JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe
Size

434KB
MD5

19f2d7661aac6e74541b1a78fcc95ad7
SHA1

de86ffe31c1e09a4d6646117c71bbf5624060c0b
SHA256

d64cd4a918bd40b2c44f23ac7467e2c943240caea832d208bd3bd8e46d54c064
SHA512

7748555550e5ca37c74f17c38607ff237f94e00cf8c3926798cec01189b020683dd5cfa70288b522d4b87f2b3c16c510ce058ea9df476f0760c0c68e9552bdb5
SSDEEP

12288:nmJileuH/oPLDnoG3l+g9whD89s88C51/l:Lee8FV+Gigs8

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

37.0.10.137:9025

Mutex

b7d9d933-745d-49c1-bd0c-e06768b05c24

Attributes

activate_away_mode
true
backup_connection_host
37.0.10.137
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-08-01T05:05:17.189046036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
9025
default_group
LYDECKER
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
b7d9d933-745d-49c1-bd0c-e06768b05c24
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
37.0.10.137
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
Nanocore family
nanocore

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	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1120 set thread context of 1424	1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe	32

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

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
2568	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe
1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe
1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe
1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe
1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe
1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe
1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe
1424	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe
1424	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe
1424	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1424	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe
Token: SeDebugPrivilege	1424	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 2568	1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe	30
PID 1120 wrote to memory of 2568	1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe	30
PID 1120 wrote to memory of 2568	1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe	30
PID 1120 wrote to memory of 2568	1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe	30
PID 1120 wrote to memory of 1424	1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe	32
PID 1120 wrote to memory of 1424	1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe	32
PID 1120 wrote to memory of 1424	1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe	32
PID 1120 wrote to memory of 1424	1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe	32
PID 1120 wrote to memory of 1424	1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe	32
PID 1120 wrote to memory of 1424	1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe	32
PID 1120 wrote to memory of 1424	1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe	32
PID 1120 wrote to memory of 1424	1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe	32
PID 1120 wrote to memory of 1424	1120	JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AFUUjo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1FE0.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2568
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_19f2d7661aac6e74541b1a78fcc95ad7.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:1424

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1120-24-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/1120-2-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/1120-0-0x000000007473E000-0x000000007473F000-memory.dmp

Filesize
4KB

Download
memory/1120-3-0x0000000000480000-0x000000000048E000-memory.dmp

Filesize
56KB

Download
memory/1120-4-0x000000007473E000-0x000000007473F000-memory.dmp

Filesize
4KB

Download
memory/1120-5-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/1120-6-0x0000000004A60000-0x0000000004ABC000-memory.dmp

Filesize
368KB

Download
memory/1120-1-0x0000000000340000-0x00000000003B2000-memory.dmp

Filesize
456KB

Download
memory/1424-31-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/1424-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1424-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1424-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1424-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1424-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1424-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1424-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1424-23-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/1424-25-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/1424-27-0x00000000005A0000-0x00000000005AA000-memory.dmp

Filesize
40KB

Download
memory/1424-28-0x00000000005B0000-0x00000000005CE000-memory.dmp

Filesize
120KB

Download
memory/1424-29-0x00000000005D0000-0x00000000005DA000-memory.dmp

Filesize
40KB

Download
memory/1424-30-0x0000000074730000-0x0000000074E1E000-memory.dmp

Filesize
6.9MB

Download
memory/1424-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads