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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\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

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

Processes:

55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	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\WPA Manager = "C:\\Program Files (x86)\\WPA Manager\\wpamgr.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 668 set thread context of 1588	668	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)\WPA Manager\wpamgr.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\WPA Manager\wpamgr.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

4168 schtasks.exe

pid	process
4168	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exe55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

pid	process
2332	powershell.exe
2332	powershell.exe
668	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
1588	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
1588	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
1588	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

pid process

1588 55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

pid	process
1588	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exe55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2332	powershell.exe
Token: SeDebugPrivilege	668	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
Token: SeDebugPrivilege	1588	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe

description	pid	process	target process
PID 668 wrote to memory of 2332	668	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	powershell.exe
PID 668 wrote to memory of 2332	668	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	powershell.exe
PID 668 wrote to memory of 2332	668	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	powershell.exe
PID 668 wrote to memory of 4168	668	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	schtasks.exe
PID 668 wrote to memory of 4168	668	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	schtasks.exe
PID 668 wrote to memory of 4168	668	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	schtasks.exe
PID 668 wrote to memory of 1588	668	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
PID 668 wrote to memory of 1588	668	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
PID 668 wrote to memory of 1588	668	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
PID 668 wrote to memory of 1588	668	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
PID 668 wrote to memory of 1588	668	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
PID 668 wrote to memory of 1588	668	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
PID 668 wrote to memory of 1588	668	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe	55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe
PID 668 wrote to memory of 1588	668	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
- Checks computer location settings
- Windows security modification
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:668

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Get-MpPreference -verbose
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2332

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uevZaaND" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1884.tmp"
2⤵
- Creates scheduled task(s)
PID:4168

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:1588

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

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\55c3c36dcb62a5e8ebd0ff41e07cf4d3_JaffaCakes118.exe.log
Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3bozlzqo.0pd.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1884.tmp
Filesize
1KB

MD5
e80fd676c4a72c8b999703d3cc52ff68

SHA1
094b492410c50450d1dddb99a65d48fb88cd7030

SHA256
cb8e94053bf62eaeb7124f170969c15f910a3d6746501499a710a9e6628d89c7

SHA512
cbdcac06ca67b3dd321d4cd953532fa75ec7020bdb32913fbb2e6fcf4bcb7c6579b372b45d2ccf723cbd445f56e29046d10db08897701e4700d8a6cc476e395b

Download Submit
memory/668-10-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/668-12-0x0000000005C70000-0x0000000005CAC000-memory.dmp

Filesize
240KB

Download
memory/668-5-0x0000000004C60000-0x0000000004C6A000-memory.dmp

Filesize
40KB

Download
memory/668-7-0x0000000004FF0000-0x0000000005046000-memory.dmp

Filesize
344KB

Download
memory/668-6-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/668-8-0x0000000004CC0000-0x0000000004CC8000-memory.dmp

Filesize
32KB

Download
memory/668-9-0x000000007482E000-0x000000007482F000-memory.dmp

Filesize
4KB

Download
memory/668-0-0x000000007482E000-0x000000007482F000-memory.dmp

Filesize
4KB

Download
memory/668-11-0x0000000005C00000-0x0000000005C5C000-memory.dmp

Filesize
368KB

Download
memory/668-4-0x0000000004D80000-0x0000000004E12000-memory.dmp

Filesize
584KB

Download
memory/668-1-0x0000000000240000-0x00000000002BA000-memory.dmp

Filesize
488KB

Download
memory/668-2-0x0000000004CE0000-0x0000000004D7C000-memory.dmp

Filesize
624KB

Download
memory/668-3-0x00000000053F0000-0x0000000005994000-memory.dmp

Filesize
5.6MB

Download
memory/668-68-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/1588-72-0x0000000006510000-0x000000000652E000-memory.dmp

Filesize
120KB

Download
memory/1588-73-0x0000000006640000-0x000000000664A000-memory.dmp

Filesize
40KB

Download
memory/1588-71-0x0000000005810000-0x000000000581A000-memory.dmp

Filesize
40KB

Download
memory/1588-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2332-32-0x0000000006100000-0x000000000614C000-memory.dmp

Filesize
304KB

Download
memory/2332-34-0x0000000070220000-0x000000007026C000-memory.dmp

Filesize
304KB

Download
memory/2332-31-0x00000000060D0000-0x00000000060EE000-memory.dmp

Filesize
120KB

Download
memory/2332-27-0x0000000005AC0000-0x0000000005E14000-memory.dmp

Filesize
3.3MB

Download
memory/2332-46-0x00000000072D0000-0x0000000007373000-memory.dmp

Filesize
652KB

Download
memory/2332-47-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/2332-45-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/2332-49-0x0000000007400000-0x000000000741A000-memory.dmp

Filesize
104KB

Download
memory/2332-50-0x0000000007470000-0x000000000747A000-memory.dmp

Filesize
40KB

Download
memory/2332-48-0x0000000007A40000-0x00000000080BA000-memory.dmp

Filesize
6.5MB

Download
memory/2332-44-0x0000000006680000-0x000000000669E000-memory.dmp

Filesize
120KB

Download
memory/2332-51-0x0000000007680000-0x0000000007716000-memory.dmp

Filesize
600KB

Download
memory/2332-52-0x0000000007600000-0x0000000007611000-memory.dmp

Filesize
68KB

Download
memory/2332-30-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/2332-33-0x0000000007090000-0x00000000070C2000-memory.dmp

Filesize
200KB

Download
memory/2332-54-0x0000000007640000-0x0000000007654000-memory.dmp

Filesize
80KB

Download
memory/2332-56-0x0000000007720000-0x0000000007728000-memory.dmp

Filesize
32KB

Download
memory/2332-55-0x0000000007740000-0x000000000775A000-memory.dmp

Filesize
104KB

Download
memory/2332-53-0x0000000007630000-0x000000000763E000-memory.dmp

Filesize
56KB

Download
memory/2332-59-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/2332-16-0x0000000005100000-0x0000000005122000-memory.dmp

Filesize
136KB

Download
memory/2332-17-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/2332-18-0x00000000051A0000-0x0000000005206000-memory.dmp

Filesize
408KB

Download
memory/2332-19-0x0000000005280000-0x00000000052E6000-memory.dmp

Filesize
408KB

Download
memory/2332-14-0x0000000005300000-0x0000000005928000-memory.dmp

Filesize
6.2MB

Download
memory/2332-15-0x0000000074820000-0x0000000074FD0000-memory.dmp

Filesize
7.7MB

Download
memory/2332-13-0x00000000027D0000-0x0000000002806000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads