nanocore | 9722fcde6e83ac41b9873f8e81928fd05e7dfabf513c0c38aa5aede2650d091d

General

Target

c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe
Size

698KB
MD5

c97a48d4ff50d8301b799e3cfef5e4ea
SHA1

22110fffed746c1a2e52bb8fd0a48b4edfdddc09
SHA256

9722fcde6e83ac41b9873f8e81928fd05e7dfabf513c0c38aa5aede2650d091d
SHA512

9af661764cfc2b936816d878fd85326cca9df0bc70db1b5e25f7b2ae45290047a986b777d84be25156b41ae25e0194435d0db3e4a4fa3726501b70529cb1bca1
SSDEEP

12288:adnZsR8MqMFojRhNLfg2I4+EXm5BPlw1UruFXEkWLshFLkUkoKx65m9/BAISzwFj:adZ48MqMFojRhhY2IKXmJsUrbktSvo8R

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

ghsgatvxbznmklopwagdhusvxbznxgtewuahjkop.ydns.eu:6932

Mutex

85e37885-b3ec-483d-a191-58b2523c3701

Attributes

activate_away_mode
true
backup_connection_host
ghsgatvxbznmklopwagdhusvxbznxgtewuahjkop.ydns.eu
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-14T20:49:39.098077236Z
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
6932
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
85e37885-b3ec-483d-a191-58b2523c3701
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
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
Nanocore family
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\PCI Subsystem = "C:\\Program Files (x86)\\PCI Subsystem\\pciss.exe"	c97a48d4ff50d8301b799e3cfef5e4ea_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	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4812 set thread context of 840	4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	102

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\PCI Subsystem\pciss.exe	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\PCI Subsystem\pciss.exe	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
4628	schtasks.exe
4080	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe
4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe
4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe
4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe
840	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe
840	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe
840	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
840	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe
Token: SeDebugPrivilege	840	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 4784	4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	100
PID 4812 wrote to memory of 4784	4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	100
PID 4812 wrote to memory of 4784	4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	100
PID 4812 wrote to memory of 2160	4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	101
PID 4812 wrote to memory of 2160	4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	101
PID 4812 wrote to memory of 2160	4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	101
PID 4812 wrote to memory of 840	4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	102
PID 4812 wrote to memory of 840	4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	102
PID 4812 wrote to memory of 840	4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	102
PID 4812 wrote to memory of 840	4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	102
PID 4812 wrote to memory of 840	4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	102
PID 4812 wrote to memory of 840	4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	102
PID 4812 wrote to memory of 840	4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	102
PID 4812 wrote to memory of 840	4812	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	102
PID 840 wrote to memory of 4628	840	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	103
PID 840 wrote to memory of 4628	840	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	103
PID 840 wrote to memory of 4628	840	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	103
PID 840 wrote to memory of 4080	840	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	105
PID 840 wrote to memory of 4080	840	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	105
PID 840 wrote to memory of 4080	840	c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe	105

C:\Users\Admin\AppData\Local\Temp\c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4812
- C:\Users\Admin\AppData\Local\Temp\c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe
  "{path}"
  2⤵
  PID:4784
- C:\Users\Admin\AppData\Local\Temp\c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe
  "{path}"
  2⤵
  PID:2160
- C:\Users\Admin\AppData\Local\Temp\c97a48d4ff50d8301b799e3cfef5e4ea_JaffaCakes118.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:840
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp317B.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4628
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "PCI Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp31CA.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4080

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

1

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\tmp317B.tmp

Filesize
1KB

MD5
0ba9f54b9079c29d97bb52b9f0c281c6

SHA1
4d5130a487602329cba693ca41ea5ad35e2e598d

SHA256
f6312ab0871f3beb43366271b3a9c5727a894a98669ee16016fc80112054dd0f

SHA512
71258e9f229754c165fbf7c54987288360d3aa355acbecfba7d9217907aeb8795c2abb0fc6652715912d9ae1e704fef114371a1a605e7d841eebdbe785943fcc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp31CA.tmp

Filesize
1KB

MD5
09063e7cc0d66a9aed53f2e2d2409103

SHA1
96f8fa15b5a3b2646f6691770a158c69ea7405a4

SHA256
369b159ef60c988373a3c85e0b10b5ff2178504465f11965ab0d66f14124f9a1

SHA512
c460a3cab70270c5cefe0464df6ddb9d50bb58ac9c49c7e62c9a55cc6bc30b6411cbc28ae418dd91b1ba1190f8394ccd937452ae70d7062740207d2ffc68e2ec

Download Submit
memory/840-11-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/840-21-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/840-20-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/840-19-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/840-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/840-8-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/840-10-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/4812-4-0x0000000074F42000-0x0000000074F43000-memory.dmp

Filesize
4KB

Download
memory/4812-9-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/4812-5-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/4812-0-0x0000000074F42000-0x0000000074F43000-memory.dmp

Filesize
4KB

Download
memory/4812-3-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/4812-2-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/4812-1-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads