nanocore | 2816241bc95bb7ed310224e6f8597d6665f98a51ac4a17d2372c427aa9b0cf68

General

Target

5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe
Size

440KB
MD5

5b169b166b37a1632dfdb10b4807b4a8
SHA1

63bf09962309e211541569e58b33b1a001630cf3
SHA256

2816241bc95bb7ed310224e6f8597d6665f98a51ac4a17d2372c427aa9b0cf68
SHA512

ddf01a34d6a0bfceaf03c90f40029642f5b102c9f0131ad77ba8fdbcbc6e4c909aeb82bb9da1cd8cd71d9f127d0cdb74f199ea5684afcdbe885eddeb2a7ac08f
SSDEEP

6144:DkSAGzXgIpx7HPeLQghR8XNwdF3oseTbKAF0JiGVg/w:DkSpxe9hRmNwdcbKQ0n5

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

bornsinner.myq-see.com:3941

Mutex

1276c0d6-7944-4dc2-bd80-b50fc12f063d

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
buffer_size
65542
build_time
2020-02-03T06:34:44.711604836Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
3994
connection_port
3941
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
1276c0d6-7944-4dc2-bd80-b50fc12f063d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
bornsinner.myq-see.com
primary_dns_server
bornsinner.myq-see.com
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

Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

Processes:

5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe

description pid process target process

PID 1936 set thread context of 2856 1936 5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

2680 schtasks.exe
1904 schtasks.exe

description	pid	process	target process
PID 1936 set thread context of 2856	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe

pid	process
2680	schtasks.exe
1904	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

powershell.exe5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exeRegSvcs.exe

pid	process
3040	powershell.exe
1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe
1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe
1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe
2856	RegSvcs.exe
2856	RegSvcs.exe
2856	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

2856 RegSvcs.exe

pid	process
2856	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exe5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3040	powershell.exe
Token: SeDebugPrivilege	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe
Token: SeDebugPrivilege	2856	RegSvcs.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exeRegSvcs.exe

description	pid	process	target process
PID 1936 wrote to memory of 3040	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	powershell.exe
PID 1936 wrote to memory of 3040	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	powershell.exe
PID 1936 wrote to memory of 3040	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	powershell.exe
PID 1936 wrote to memory of 3040	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	powershell.exe
PID 1936 wrote to memory of 2680	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	schtasks.exe
PID 1936 wrote to memory of 2680	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	schtasks.exe
PID 1936 wrote to memory of 2680	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	schtasks.exe
PID 1936 wrote to memory of 2680	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	schtasks.exe
PID 1936 wrote to memory of 2564	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 1936 wrote to memory of 2564	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 1936 wrote to memory of 2564	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 1936 wrote to memory of 2564	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 1936 wrote to memory of 2564	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 1936 wrote to memory of 2564	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 1936 wrote to memory of 2564	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 1936 wrote to memory of 2856	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 1936 wrote to memory of 2856	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 1936 wrote to memory of 2856	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 1936 wrote to memory of 2856	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 1936 wrote to memory of 2856	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 1936 wrote to memory of 2856	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 1936 wrote to memory of 2856	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 1936 wrote to memory of 2856	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 1936 wrote to memory of 2856	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 1936 wrote to memory of 2856	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 1936 wrote to memory of 2856	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 1936 wrote to memory of 2856	1936	5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe	RegSvcs.exe
PID 2856 wrote to memory of 1904	2856	RegSvcs.exe	schtasks.exe
PID 2856 wrote to memory of 1904	2856	RegSvcs.exe	schtasks.exe
PID 2856 wrote to memory of 1904	2856	RegSvcs.exe	schtasks.exe
PID 2856 wrote to memory of 1904	2856	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5b169b166b37a1632dfdb10b4807b4a8_JaffaCakes118.exe"
1⤵
- Modifies Windows Defender Real-time Protection settings
- Windows security modification
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1936

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Get-MpPreference -verbose
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3040

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bKXKhtysqSdsa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1304.tmp"
2⤵
- Creates scheduled task(s)
PID:2680

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
2⤵
PID:2564

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2856

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "TCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp14E8.tmp"
3⤵
- Creates scheduled task(s)
PID:1904

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Create or Modify System Process

1

T1543

Windows Service

Scheduled Task/Job

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

Scheduled Task/Job

Defense Evasion

Modify Registry

2

T1112

Impair Defenses

2

T1562

Disable or Modify Tools

2

T1562.001

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1304.tmp
Filesize
1KB

MD5
61967f64a955abf073203d954c7264c5

SHA1
ea05d5b0e7fedc52a26e08eff80c779b1054be09

SHA256
0e095f1ba173425b7e280bffb6f1ffe87585af71e4bf5d133aadd54c47688c4d

SHA512
74c1ad5740d2533c5935dc850a895a0dd7fd170c4d3cf0e9ba3981f4477a4052593c8289ef2941c397693b6446ff7effaf6c94288e3e419a0282344437236023

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp14E8.tmp
Filesize
1KB

MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
memory/1936-1-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/1936-2-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/1936-29-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/1936-0-0x0000000074AD1000-0x0000000074AD2000-memory.dmp

Filesize
4KB

Download
memory/1936-28-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2856-24-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2856-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2856-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2856-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2856-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2856-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2856-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2856-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3040-7-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/3040-10-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/3040-8-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/3040-9-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/3040-6-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/3040-5-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads