nanocore | 55ecfe3756290aa2130836b547dc6b3fa0dd3405900ea940c6b30da89889d010

General

Target

1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe
Size

740KB
MD5

1fbff46d0b659b0ddf5af64ce0886a60
SHA1

4d2f337ea22e0a21a39748339e668475e4758ca1
SHA256

55ecfe3756290aa2130836b547dc6b3fa0dd3405900ea940c6b30da89889d010
SHA512

c86dfea9a18273021d01e0e875ab9c14393aa7f660c321cc0009b08594cbdb65063f837e295e264c0e9bbd8867d513f1893c12337bbb21c3b0300896355adf12
SSDEEP

12288:sxVhAiHeMJORYCQ0mTnrxSceYVXy9wM3uCBcurrv6nnjqKoe:ShF+cORYCQLrxSvYYwM3uCBcu/6nnjqo

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

shahzad73.casacam.net:9036

shahzad73.ddns.net:9036

Mutex

a58bb08a-85df-4191-824c-1b90cbce1024

Attributes

activate_away_mode
true
backup_connection_host
shahzad73.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-07T15:16:03.837677536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
9036
default_group
ENDING-JUNE
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
a58bb08a-85df-4191-824c-1b90cbce1024
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
shahzad73.casacam.net
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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe

description	pid	Process	procid_target
PID 368 set thread context of 5108	368	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe	92

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

Processes:

1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exeschtasks.exe1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.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

Processes:

schtasks.exe

pid	Process
5084	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe

pid	Process
368	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe
5108	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe
5108	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe
5108	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe

pid	Process
5108	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe

description	pid	Process
Token: SeDebugPrivilege	368	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe
Token: SeDebugPrivilege	5108	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe

description	pid	Process	procid_target
PID 368 wrote to memory of 5084	368	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe	90
PID 368 wrote to memory of 5084	368	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe	90
PID 368 wrote to memory of 5084	368	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe	90
PID 368 wrote to memory of 5108	368	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe	92
PID 368 wrote to memory of 5108	368	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe	92
PID 368 wrote to memory of 5108	368	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe	92
PID 368 wrote to memory of 5108	368	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe	92
PID 368 wrote to memory of 5108	368	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe	92
PID 368 wrote to memory of 5108	368	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe	92
PID 368 wrote to memory of 5108	368	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe	92
PID 368 wrote to memory of 5108	368	1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:368
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cowAdUpw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFE55.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:5084
- C:\Users\Admin\AppData\Local\Temp\1fbff46d0b659b0ddf5af64ce0886a60_JaffaCakes118.exe
  "{path}"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:5108

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

Query Registry

1

T1012

System Information Discovery

3

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

C:\Users\Admin\AppData\Local\Temp\tmpFE55.tmp

Filesize
1KB

MD5
fb421a203bc257e4a72f7eecf98703b3

SHA1
f6bb437b8037b7dc7c33bd691c9aa7b29c7e821b

SHA256
2b3e05d5ec90898d5cb17cf1b71651a675c12bed12925f1982fb76f010c18203

SHA512
87d3895bcf4a0cf6e2b4043b99f9e7a524468acc94e9b25a9a252dd8798037a4cfea5e1b3b4e443d642d77789c71512af4f62b0b6db7ccab74828667d257bd76

Download Submit
memory/368-10-0x00000000072F0000-0x0000000007384000-memory.dmp

Filesize
592KB

Download
memory/368-5-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/368-11-0x0000000009790000-0x00000000097D4000-memory.dmp

Filesize
272KB

Download
memory/368-18-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/368-1-0x0000000000F70000-0x000000000102E000-memory.dmp

Filesize
760KB

Download
memory/368-6-0x0000000005C50000-0x0000000005C58000-memory.dmp

Filesize
32KB

Download
memory/368-7-0x0000000005E50000-0x0000000005EEC000-memory.dmp

Filesize
624KB

Download
memory/368-8-0x0000000074FFE000-0x0000000074FFF000-memory.dmp

Filesize
4KB

Download
memory/368-9-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/368-0-0x0000000074FFE000-0x0000000074FFF000-memory.dmp

Filesize
4KB

Download
memory/368-3-0x00000000059E0000-0x0000000005A72000-memory.dmp

Filesize
584KB

Download
memory/368-2-0x0000000005EF0000-0x0000000006494000-memory.dmp

Filesize
5.6MB

Download
memory/368-4-0x0000000005B80000-0x0000000005B8A000-memory.dmp

Filesize
40KB

Download
memory/5108-17-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/5108-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/5108-19-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/5108-21-0x0000000005150000-0x000000000515A000-memory.dmp

Filesize
40KB

Download
memory/5108-22-0x0000000005DD0000-0x0000000005DEE000-memory.dmp

Filesize
120KB

Download
memory/5108-23-0x0000000005EF0000-0x0000000005EFA000-memory.dmp

Filesize
40KB

Download
memory/5108-24-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download
memory/5108-25-0x0000000074FF0000-0x00000000757A0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads