nanocore | 668ae0ac95f0d86230704acfd42aeec2837d51e16486e96b52fcf51907b6ddbd

General

Target

771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe
Size

880KB
MD5

771b029ca2ea27495376d8783f14f7f9
SHA1

2fcceb16b9cbb40ba7674aa7f7ac21ec3e15593a
SHA256

668ae0ac95f0d86230704acfd42aeec2837d51e16486e96b52fcf51907b6ddbd
SHA512

dfa483eae106a628835dd82aaab1cbf9a9a68ef632ed6a2baf09ff8ca0887ec1b3852f5cf493caf85af1be7c5209ee063ab88966d5d83701b4772888cba2c0c4
SSDEEP

24576:b8mTQXkDFBvRll2PrGzx/LUYfxfFOhByMXFXc5n:4cQ0DPsPyfxdOoWFX

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

xp18.ddns.net:1012

Mutex

ef6b2072-3b38-4899-b925-378df7ad2d73

Attributes

activate_away_mode
true
backup_connection_host
xp18.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-04-23T05:59:24.479035036Z
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
1012
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
ef6b2072-3b38-4899-b925-378df7ad2d73
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
xp18.ddns.net
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

Processes:

771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SCSI Monitor = "C:\\Program Files (x86)\\SCSI Monitor\\scsimon.exe"	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe

description	pid	process	target process
PID 4544 set thread context of 1640	4544	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\SCSI Monitor\scsimon.exe	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\SCSI Monitor\scsimon.exe	771b029ca2ea27495376d8783f14f7f9_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

Processes:

schtasks.exeschtasks.exe771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.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

Processes:

schtasks.exeschtasks.exe

pid process

4864 schtasks.exe
548 schtasks.exe

pid	process
4864	schtasks.exe
548	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe

pid	process
1640	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe
1640	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe
1640	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe

pid process

1640 771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 1640 771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	1640	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe

description	pid	process	target process
PID 4544 wrote to memory of 1640	4544	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe
PID 4544 wrote to memory of 1640	4544	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe
PID 4544 wrote to memory of 1640	4544	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe
PID 4544 wrote to memory of 1640	4544	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe
PID 4544 wrote to memory of 1640	4544	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe
PID 4544 wrote to memory of 1640	4544	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe
PID 4544 wrote to memory of 1640	4544	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe
PID 4544 wrote to memory of 1640	4544	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe
PID 1640 wrote to memory of 4864	1640	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe	schtasks.exe
PID 1640 wrote to memory of 4864	1640	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe	schtasks.exe
PID 1640 wrote to memory of 4864	1640	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe	schtasks.exe
PID 1640 wrote to memory of 548	1640	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe	schtasks.exe
PID 1640 wrote to memory of 548	1640	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe	schtasks.exe
PID 1640 wrote to memory of 548	1640	771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Users\Admin\AppData\Local\Temp\771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\771b029ca2ea27495376d8783f14f7f9_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:1640
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7356.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4864
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7396.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:548

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\Microsoft\CLR_v2.0_32\UsageLogs\771b029ca2ea27495376d8783f14f7f9_JaffaCakes118.exe.log

Filesize
496B

MD5
5b4789d01bb4d7483b71e1a35bce6a8b

SHA1
de083f2131c9a763c0d1810c97a38732146cffbf

SHA256
e248cef9500ed6e0c9f99d72a2a6a36955a5f0cfc0725748ef25a733cc8282f6

SHA512
357e18ef30430e4b9cc4f2569b9735b1cd12f934c83162e4de78ac29ba9703b63ddb624ccc22afd5a5868f6e9d91a3c64581846abac22e9625f5b2e3d80b3ede

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7356.tmp

Filesize
1KB

MD5
ada1a59bf1ceee3bfd2c81215d622b0c

SHA1
5aaf5354092d184aa4710ab6ac80e1b2e92800c1

SHA256
a6ab021a2146558c18f7638df71ad93e4a971f405c8412af6d0ac47c30c3944e

SHA512
ecf2fe7843479745344287930476e0ac6ac9fdfaca0191b4f55b0c782c7ab07c76afff42a95bcccad16234f25df1d13b36c9e3180b5e8a8debbcdbbc6dbc9f86

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7396.tmp

Filesize
1KB

MD5
2862e61d09852ea2886c036af0465051

SHA1
45e30b14543868213f7f1cba0a1e0cc840fb2cd2

SHA256
d4ba6219d0aff5a36d129a8475cf35b00043d205f751f63ddd56a5c7d4a03ff3

SHA512
33dfd9d12adaa19dd3d4dd7013930e233dd3ff1d114e1e86e50d20ffa848a27582eebdffc09ab974b8de86316c01da6f6254f349992ad507d0f8b13cf0e36579

Download Submit
memory/1640-9-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/1640-19-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/1640-22-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/1640-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1640-21-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/1640-20-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/1640-11-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/4544-10-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/4544-2-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/4544-1-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/4544-4-0x0000000074BB0000-0x0000000075161000-memory.dmp

Filesize
5.7MB

Download
memory/4544-0-0x0000000074BB2000-0x0000000074BB3000-memory.dmp

Filesize
4KB

Download
memory/4544-3-0x0000000074BB2000-0x0000000074BB3000-memory.dmp

Filesize
4KB

Download
memory/4544-5-0x0000000074BB0000-0x0000000075161000-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