nanocore | 82be1be3d4d7a7b6925cca55cf090747d6f5df0304809492c7795831aef98f94

General

Target

f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
Size

436KB
MD5

f45ddfd1e8c92782841365c9e15cc4bb
SHA1

0821d3c5b27b96d6663a7e7a029420065505108b
SHA256

82be1be3d4d7a7b6925cca55cf090747d6f5df0304809492c7795831aef98f94
SHA512

a06e538e6ff9b688fed2ce40811e1c4709f56d7160bdef13057d063d75be1c9777ac6a6e631a58726ffc52242802042a7c88de7142b3d394a018a9691c840924
SSDEEP

12288:G0AjdHVkc+1CE7ms005xnS+xzDXmunPpfAR:nkFVkcA7msrnSeb

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.165.153.251:50450

Mutex

fd734765-5adc-40c4-a1d3-54d63fd4ef94

Attributes

activate_away_mode
true
backup_connection_host
185.165.153.251
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-07-06T00:38:11.231478436Z
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
50450
default_group
Jesus
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
fd734765-5adc-40c4-a1d3-54d63fd4ef94
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.165.153.251
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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Monitor = "C:\\Program Files (x86)\\WPA Monitor\\wpamon.exe"	f45ddfd1e8c92782841365c9e15cc4bb_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	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2912 set thread context of 536	2912	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	101

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WPA Monitor\wpamon.exe	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\WPA Monitor\wpamon.exe	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe

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 5 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
4544	schtasks.exe
868	schtasks.exe
1576	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2912	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
536	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
536	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
536	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
536	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2912	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
Token: SeDebugPrivilege	536	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 4544	2912	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	99
PID 2912 wrote to memory of 4544	2912	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	99
PID 2912 wrote to memory of 4544	2912	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	99
PID 2912 wrote to memory of 536	2912	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	101
PID 2912 wrote to memory of 536	2912	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	101
PID 2912 wrote to memory of 536	2912	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	101
PID 2912 wrote to memory of 536	2912	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	101
PID 2912 wrote to memory of 536	2912	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	101
PID 2912 wrote to memory of 536	2912	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	101
PID 2912 wrote to memory of 536	2912	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	101
PID 2912 wrote to memory of 536	2912	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	101
PID 536 wrote to memory of 868	536	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	102
PID 536 wrote to memory of 868	536	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	102
PID 536 wrote to memory of 868	536	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	102
PID 536 wrote to memory of 1576	536	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	104
PID 536 wrote to memory of 1576	536	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	104
PID 536 wrote to memory of 1576	536	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	104

C:\Users\Admin\AppData\Local\Temp\f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f45ddfd1e8c92782841365c9e15cc4bb_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:2912
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QKTcBoAPiIXpHj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3FCE.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4544
- C:\Users\Admin\AppData\Local\Temp\f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe"
  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:536
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp46F2.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:868
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4741.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1576

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4324,i,12198811467968044966,17227406646827438786,262144 --variations-seed-version --mojo-platform-channel-handle=3880 /prefetch:8
1⤵
PID:5092

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

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\tmp3FCE.tmp

Filesize
1KB

MD5
f0137f1d3a9e457143ae0cb79a5e6789

SHA1
b301d8ffad223634049c87482b1e23527b4bbd6c

SHA256
1e109a8e48230917fb55fc3fed8afdd393a784ec56ff62c026fb918810d94507

SHA512
fc5e8ebfff2cfef0e5de90cb1a2ca2f0ca642b32c10c389bb10f76f5e24507555718f2acdd03c33c399c27cbd907329f0e426e9bf642a3c37d141367e139ea43

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp46F2.tmp

Filesize
1KB

MD5
304b86dbe73841af437332eeddfa21ce

SHA1
9082a9da1ce475761cfad642ef9a412fb25b84ec

SHA256
fba885ebdeb1af0b2327f9dd061eea3085fbb328f54042dd9df9b95e81f38700

SHA512
215fd5ad02583810a07b7245062fb5a77a8de6368d048a18a8109223f917c5b9a2ca33daa79794349e6120503c65730985d9be0e859466045924e0a254c1d46b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4741.tmp

Filesize
1KB

MD5
a246b3561d823177f3586e629f144233

SHA1
0f05d12e55a1d2e5e6a4f307c193882fba093315

SHA256
6abae7707b06e52b58f537b335e367cc54b093e899d78f16e94ceaf7ceafca52

SHA512
4246aa9a96331e2c7e36b37fa778e31ecae055c77164e0dc673aa50cdec368f08d356ab06ef1a4540816c474828048ab1bebed7e211a4eb929f2918e1fac9c6d

Download Submit
memory/536-15-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/536-26-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/536-25-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/536-24-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/536-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/536-16-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/536-13-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/2912-4-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/2912-14-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/2912-5-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/2912-0-0x0000000074662000-0x0000000074663000-memory.dmp

Filesize
4KB

Download
memory/2912-3-0x0000000074662000-0x0000000074663000-memory.dmp

Filesize
4KB

Download
memory/2912-2-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download
memory/2912-1-0x0000000074660000-0x0000000074C11000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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