nanocore | 288426cc1edbe929109c0958e8812a7ec016395bb439dc8022bea0511cdae25c

General

Target

b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe
Size

725KB
MD5

b97f23fc1d8f34eda2b429a21e370800
SHA1

140e3c8af0d7c72f35aee4955456fb5e413fbf3d
SHA256

288426cc1edbe929109c0958e8812a7ec016395bb439dc8022bea0511cdae25c
SHA512

d8000971bcc2f0e4ca143c03895f87ef30d4a21d0f13619137b2f04352ffb2fa42808a9b1d43552e51e4b3e92c1383461b9676034543e2c142e0856cfe8401dc
SSDEEP

12288:TSYoMl7ILwTDqKgE9hPA33JWeAaeh0OKk4NMxfuBZ6mt7aI9qfLes3ickKX9+rds:TSdMl7eiDRg/JlZeh0USMxGdt7aI9Eew

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.68.59.34:1128

blessed.ddns.net:1128

Mutex

c8203ca0-55c2-4d7e-b3c2-4d30c8599d89

Attributes

activate_away_mode
true
backup_connection_host
blessed.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-08-30T22:18:42.314516836Z
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
1128
default_group
bless
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
c8203ca0-55c2-4d7e-b3c2-4d30c8599d89
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
194.68.59.34
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	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2492 set thread context of 2720	2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	33

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\debug\WIA\CrRNcmQ.exe	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe
File created	C:\Windows\debug\WIA\CrRNcmQ.exe	b97f23fc1d8f34eda2b429a21e370800_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 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	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.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
2764	schtasks.exe
2828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe
2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe
2720	RegAsm.exe
2720	RegAsm.exe
2720	RegAsm.exe
2720	RegAsm.exe
2720	RegAsm.exe
2720	RegAsm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2720	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe
Token: SeDebugPrivilege	2720	RegAsm.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2764	2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	31
PID 2492 wrote to memory of 2764	2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	31
PID 2492 wrote to memory of 2764	2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	31
PID 2492 wrote to memory of 2764	2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	31
PID 2492 wrote to memory of 2720	2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	33
PID 2492 wrote to memory of 2720	2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	33
PID 2492 wrote to memory of 2720	2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	33
PID 2492 wrote to memory of 2720	2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	33
PID 2492 wrote to memory of 2720	2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	33
PID 2492 wrote to memory of 2720	2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	33
PID 2492 wrote to memory of 2720	2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	33
PID 2492 wrote to memory of 2720	2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	33
PID 2492 wrote to memory of 2720	2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	33
PID 2492 wrote to memory of 2720	2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	33
PID 2492 wrote to memory of 2720	2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	33
PID 2492 wrote to memory of 2720	2492	b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe	33
PID 2720 wrote to memory of 2828	2720	RegAsm.exe	34
PID 2720 wrote to memory of 2828	2720	RegAsm.exe	34
PID 2720 wrote to memory of 2828	2720	RegAsm.exe	34
PID 2720 wrote to memory of 2828	2720	RegAsm.exe	34

C:\Users\Admin\AppData\Local\Temp\b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b97f23fc1d8f34eda2b429a21e370800_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CrRNcmQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1F24.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2764
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2720
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2127.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2828

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1F24.tmp

Filesize
1KB

MD5
df92b716b3134061bbfe65babcbefcaa

SHA1
77059023b3e329ed9f56a491c2c147afc05c54e9

SHA256
e9ee801219a3efa345dd67f49da2e4dd110299bb83593301c61ebd43615ccadd

SHA512
01c227189717b929baa6d6241e4914a37b1f44fc1b1f03f2496a4396ed0f8f482e7d51726ab2acd31cc32519697517f3ad97770044120b2fd1e9fea6b969ba19

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2127.tmp

Filesize
1KB

MD5
c6f0625bf4c1cdfb699980c9243d3b22

SHA1
43de1fe580576935516327f17b5da0c656c72851

SHA256
8dfc4e937f0b2374e3ced25fce344b0731cf44b8854625b318d50ece2da8f576

SHA512
9ef2dbd4142ad0e1e6006929376ecb8011e7ffc801ee2101e906787d70325ad82752df65839de9972391fa52e1e5974ec1a5c7465a88aa56257633ebb7d70969

Download Submit
memory/2492-0-0x0000000074251000-0x0000000074252000-memory.dmp

Filesize
4KB

Download
memory/2492-1-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/2492-2-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/2492-3-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/2492-4-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/2492-21-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/2720-20-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2720-18-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2720-16-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2720-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2720-13-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2720-12-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2720-10-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2720-22-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/2720-11-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2720-27-0x0000000074250000-0x00000000747FB000-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