nanocore | bb08e42bfb63552a1af7ab0e24bb040c9f2854f2521fda176e80c80dd17beec7

General

Target

JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe
Size

382KB
MD5

bc87c171c5e5c075ebcb336ca4518452
SHA1

29854b8268bb99a6f26df87229107fcfbf815d87
SHA256

bb08e42bfb63552a1af7ab0e24bb040c9f2854f2521fda176e80c80dd17beec7
SHA512

85509f5e3eebbecd909da16102a9183484d1c88d269cf541bd20cca6dd6fd9ffddda27f84f441f2ec07dd91b3db600524dedd59886d8f4543d5ccb6f2f68dbae
SSDEEP

6144:s5sdZMkhBwFvM6I7Qqpvp4w5uVaZ8yi6JcHWhitE4opE59yin1qYKb6qjjTwcoUx:s3SBwFvM6Ta4YF7sWhitBwEztn15Kmq

Score

10^/10

nanocore discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.140.53.75:97

Mutex

75237636-ccfc-402a-827d-5ad01371659e

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-24T01:53:34.394429836Z
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
97
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
75237636-ccfc-402a-827d-5ad01371659e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.140.53.75
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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2068	powershell.exe

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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.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\NTFS Manager = "C:\\Program Files (x86)\\NTFS Manager\\ntfsmgr.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2320 set thread context of 648	2320	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	95

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\NTFS Manager\ntfsmgr.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\NTFS Manager\ntfsmgr.exe	RegSvcs.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 6 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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.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
4048	schtasks.exe
2924	schtasks.exe
4940	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2320	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe
2320	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe
2068	powershell.exe
2068	powershell.exe
648	RegSvcs.exe
648	RegSvcs.exe
648	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
648	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2320	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe
Token: SeDebugPrivilege	2068	powershell.exe
Token: SeDebugPrivilege	648	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2068	2320	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	92
PID 2320 wrote to memory of 2068	2320	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	92
PID 2320 wrote to memory of 2068	2320	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	92
PID 2320 wrote to memory of 4940	2320	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	94
PID 2320 wrote to memory of 4940	2320	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	94
PID 2320 wrote to memory of 4940	2320	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	94
PID 2320 wrote to memory of 648	2320	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	95
PID 2320 wrote to memory of 648	2320	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	95
PID 2320 wrote to memory of 648	2320	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	95
PID 2320 wrote to memory of 648	2320	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	95
PID 2320 wrote to memory of 648	2320	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	95
PID 2320 wrote to memory of 648	2320	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	95
PID 2320 wrote to memory of 648	2320	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	95
PID 2320 wrote to memory of 648	2320	JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe	95
PID 648 wrote to memory of 4048	648	RegSvcs.exe	97
PID 648 wrote to memory of 4048	648	RegSvcs.exe	97
PID 648 wrote to memory of 4048	648	RegSvcs.exe	97
PID 648 wrote to memory of 2924	648	RegSvcs.exe	99
PID 648 wrote to memory of 2924	648	RegSvcs.exe	99
PID 648 wrote to memory of 2924	648	RegSvcs.exe	99

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.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:2320
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bc87c171c5e5c075ebcb336ca4518452.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2068
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vlzcRkmDiOmdD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3B7D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4940
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  - Adds Run key to start application
  - 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:648
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "NTFS Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3C68.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4048
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "NTFS Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3D34.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ngfmz321.swj.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3C68.tmp

Filesize
1KB

MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3D34.tmp

Filesize
1KB

MD5
41808f05a9aa523d0ef506d4993f1d6c

SHA1
5a228145decf63ebbbd673c9b7c08a86236a22d4

SHA256
f76bd5da395a725b5998efab9a5d3160657cf2d44a8be83fa24af6ba29acf731

SHA512
7cf71f8fd8dccaa8cf2c724afca3178be8b7a6e0cc6e4b44990e96413bd0dac8248e2bcfa1bb82da05efb6c4b46649722c20ce14cf4a44f1720e18732bd9246e

Download Submit
memory/648-18-0x00000000753F0000-0x00000000759A1000-memory.dmp

Filesize
5.7MB

Download
memory/648-68-0x00000000753F0000-0x00000000759A1000-memory.dmp

Filesize
5.7MB

Download
memory/648-67-0x00000000753F0000-0x00000000759A1000-memory.dmp

Filesize
5.7MB

Download
memory/648-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/648-12-0x00000000753F0000-0x00000000759A1000-memory.dmp

Filesize
5.7MB

Download
memory/648-20-0x00000000753F0000-0x00000000759A1000-memory.dmp

Filesize
5.7MB

Download
memory/2068-28-0x0000000005950000-0x00000000059B6000-memory.dmp

Filesize
408KB

Download
memory/2068-43-0x0000000006600000-0x0000000006632000-memory.dmp

Filesize
200KB

Download
memory/2068-23-0x000000007228E000-0x000000007228F000-memory.dmp

Filesize
4KB

Download
memory/2068-22-0x0000000004B30000-0x0000000004B40000-memory.dmp

Filesize
64KB

Download
memory/2068-21-0x0000000004B30000-0x0000000004B40000-memory.dmp

Filesize
64KB

Download
memory/2068-64-0x0000000007680000-0x0000000007688000-memory.dmp

Filesize
32KB

Download
memory/2068-13-0x0000000004A60000-0x0000000004A96000-memory.dmp

Filesize
216KB

Download
memory/2068-27-0x0000000005080000-0x00000000050A2000-memory.dmp

Filesize
136KB

Download
memory/2068-29-0x0000000005A30000-0x0000000005A96000-memory.dmp

Filesize
408KB

Download
memory/2068-63-0x00000000076A0000-0x00000000076BA000-memory.dmp

Filesize
104KB

Download
memory/2068-62-0x00000000075A0000-0x00000000075B4000-memory.dmp

Filesize
80KB

Download
memory/2068-61-0x0000000007590000-0x000000000759E000-memory.dmp

Filesize
56KB

Download
memory/2068-40-0x0000000005AA0000-0x0000000005DF4000-memory.dmp

Filesize
3.3MB

Download
memory/2068-41-0x0000000006030000-0x000000000604E000-memory.dmp

Filesize
120KB

Download
memory/2068-42-0x0000000006070000-0x00000000060BC000-memory.dmp

Filesize
304KB

Download
memory/2068-19-0x0000000005170000-0x0000000005798000-memory.dmp

Filesize
6.2MB

Download
memory/2068-44-0x000000006F530000-0x000000006F57C000-memory.dmp

Filesize
304KB

Download
memory/2068-54-0x0000000007000000-0x000000000701E000-memory.dmp

Filesize
120KB

Download
memory/2068-55-0x0000000007020000-0x00000000070C3000-memory.dmp

Filesize
652KB

Download
memory/2068-56-0x00000000079A0000-0x000000000801A000-memory.dmp

Filesize
6.5MB

Download
memory/2068-57-0x0000000007360000-0x000000000737A000-memory.dmp

Filesize
104KB

Download
memory/2068-58-0x00000000073D0000-0x00000000073DA000-memory.dmp

Filesize
40KB

Download
memory/2068-59-0x00000000075E0000-0x0000000007676000-memory.dmp

Filesize
600KB

Download
memory/2068-60-0x0000000007560000-0x0000000007571000-memory.dmp

Filesize
68KB

Download
memory/2320-3-0x00000000753F2000-0x00000000753F3000-memory.dmp

Filesize
4KB

Download
memory/2320-4-0x00000000753F0000-0x00000000759A1000-memory.dmp

Filesize
5.7MB

Download
memory/2320-0-0x00000000753F2000-0x00000000753F3000-memory.dmp

Filesize
4KB

Download
memory/2320-15-0x00000000753F0000-0x00000000759A1000-memory.dmp

Filesize
5.7MB

Download
memory/2320-2-0x00000000753F0000-0x00000000759A1000-memory.dmp

Filesize
5.7MB

Download
memory/2320-1-0x00000000753F0000-0x00000000759A1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads