nanocore | 4c36c6698bdc43b8ec9a9745b1c106b2035f0892b0b7b36ddb08701d4a795b49

General

Target

55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
Size

461KB
MD5

55c3c36dcb62a5e8ebd0ff41e07cf4d3
SHA1

68721bf5ac9732c076bea84d466c09cd4b099bbc
SHA256

4c36c6698bdc43b8ec9a9745b1c106b2035f0892b0b7b36ddb08701d4a795b49
SHA512

35d28442975affe91102a27483624103802a92b887bc077bf3c1afaaa1d28da56ecfbf7ae3ce8149a15e115dd59ef9257992a59526e13f45ec155b6509101e76
SSDEEP

6144:Ac7xeEXpi/whlpjKmTIbICh1yvFNc6LqI00K1On/GYNzfafDkufKSkxGsRByJkvO:B7xeE5zhlpjKmTIXyfTLy0oOm4gnkk+K

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.231.113.95:5401

Mutex

449dabd0-b2cc-40a3-9d7c-418ef76898a8

Attributes

activate_away_mode
true
backup_connection_host
185.231.113.95
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-07-04T20:55:16.048555336Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
5401
default_group
pappay
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
449dabd0-b2cc-40a3-9d7c-418ef76898a8
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.231.113.95
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

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:

55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	55c3c36dcb62a5e8ebd0ff41e07cf4d3_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:

55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DOS Manager = "C:\\Program Files (x86)\\DOS Manager\\dosmgr.exe"	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

description	pid	process	target process
PID 3000 set thread context of 2940	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\DOS Manager\dosmgr.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\DOS Manager\dosmgr.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2900 schtasks.exe

pid	process
2900	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exe55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

pid	process
2528	powershell.exe
3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
2940	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
2940	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

pid process

2940 55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

pid	process
2940	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exe55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2528	powershell.exe
Token: SeDebugPrivilege	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
Token: SeDebugPrivilege	2940	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

description	pid	process	target process
PID 3000 wrote to memory of 2528	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	powershell.exe
PID 3000 wrote to memory of 2528	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	powershell.exe
PID 3000 wrote to memory of 2528	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	powershell.exe
PID 3000 wrote to memory of 2528	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	powershell.exe
PID 3000 wrote to memory of 2900	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	schtasks.exe
PID 3000 wrote to memory of 2900	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	schtasks.exe
PID 3000 wrote to memory of 2900	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	schtasks.exe
PID 3000 wrote to memory of 2900	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	schtasks.exe
PID 3000 wrote to memory of 2940	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
PID 3000 wrote to memory of 2940	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
PID 3000 wrote to memory of 2940	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
PID 3000 wrote to memory of 2940	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
PID 3000 wrote to memory of 2940	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
PID 3000 wrote to memory of 2940	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
PID 3000 wrote to memory of 2940	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
PID 3000 wrote to memory of 2940	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
PID 3000 wrote to memory of 2940	3000	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\55c3c36dcb62a5e8ebd0ff41e07cf4d3_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:3000

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Get-MpPreference -verbose
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2528

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uevZaaND" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF528.tmp"
2⤵
- Creates scheduled task(s)
PID:2900

C:\Users\Admin\AppData\Local\Temp\55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe"
2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2940

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

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

3

T1112

Impair Defenses

2

T1562

Disable or Modify Tools

2

T1562.001

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF528.tmp
Filesize
1KB

MD5
0f0e4388f4ef283bac29237153815381

SHA1
f935bb418b744408fe1797e21ba000f94be59fe1

SHA256
0d7ba1c8258846b8a3cfe395913906480f7a8dc801ea94e03107f863c67b605b

SHA512
224829a3df3f78270b4100109a6c3b24aac6342e462822f59c3bd4882cb1969dba9f97aac8b9f8f3ee8c0d6bc7c5b42a442661f3676172ac658a7deddd716303

Download Submit
memory/2528-10-0x000000006EF01000-0x000000006EF02000-memory.dmp

Filesize
4KB

Download
memory/2528-15-0x000000006EF00000-0x000000006F4AB000-memory.dmp

Filesize
5.7MB

Download
memory/2528-12-0x000000006EF00000-0x000000006F4AB000-memory.dmp

Filesize
5.7MB

Download
memory/2528-13-0x000000006EF00000-0x000000006F4AB000-memory.dmp

Filesize
5.7MB

Download
memory/2528-14-0x000000006EF00000-0x000000006F4AB000-memory.dmp

Filesize
5.7MB

Download
memory/2528-11-0x000000006EF00000-0x000000006F4AB000-memory.dmp

Filesize
5.7MB

Download
memory/2940-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2940-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2940-39-0x00000000004D0000-0x00000000004DA000-memory.dmp

Filesize
40KB

Download
memory/2940-38-0x00000000004B0000-0x00000000004CE000-memory.dmp

Filesize
120KB

Download
memory/2940-37-0x0000000000490000-0x000000000049A000-memory.dmp

Filesize
40KB

Download
memory/2940-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2940-27-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2940-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2940-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2940-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2940-33-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3000-0-0x000000007405E000-0x000000007405F000-memory.dmp

Filesize
4KB

Download
memory/3000-1-0x0000000000C10000-0x0000000000C8A000-memory.dmp

Filesize
488KB

Download
memory/3000-7-0x00000000006F0000-0x000000000072C000-memory.dmp

Filesize
240KB

Download
memory/3000-2-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-3-0x0000000000570000-0x0000000000578000-memory.dmp

Filesize
32KB

Download
memory/3000-34-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-4-0x000000007405E000-0x000000007405F000-memory.dmp

Filesize
4KB

Download
memory/3000-5-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/3000-6-0x00000000044F0000-0x000000000454C000-memory.dmp

Filesize
368KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads