nanocore | 0a2e69cd10d7e9eda91c498e93c961216b327a159a509d447992e6dd91a99e79

General

Target

5c2d7400b58b55608069873d3d5af238_JaffaCakes118.ps1
Size

1.9MB
MD5

5c2d7400b58b55608069873d3d5af238
SHA1

e6b6eed95f5cce0cb216a12d0b70d5496b188e7a
SHA256

0a2e69cd10d7e9eda91c498e93c961216b327a159a509d447992e6dd91a99e79
SHA512

650bdff5bf8083295de8ddae51af366a1c4f45851b94cc2142e110a53c3088348d083e3b55203967b1e48a51d4ef791564288d1cba290c0b77b5d6e874a417e9
SSDEEP

24576:ItozzyOXedxWtj6ruc+NWPl+yasPEKBG62FA3ExHEsINw8nhzdNvLPKMFfNehSG2:POnG6JB8sG62tGrnDNzPFfSN2

Score

10^/10

nanocore execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

tomcoyne.duckdns.org:482

160.202.163.245:482

Mutex

b7010afc-188d-4cb1-b171-bd2182d2dc29

Attributes

activate_away_mode
true
backup_connection_host
160.202.163.245
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-02-21T16:53:39.600822436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
482
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
b7010afc-188d-4cb1-b171-bd2182d2dc29
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
tomcoyne.duckdns.org
primary_dns_server
8.8.8.8
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

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:

bwfs.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation bwfs.exe
Executes dropped EXE 1 IoCs

Processes:

bwfs.exe

pid process

4440 bwfs.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	bwfs.exe

pid	process
4440	bwfs.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
C:\Users\Public\bwfs.exe	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

bwfs.exe

description pid process target process

PID 4440 set thread context of 3620 4440 bwfs.exe RegSvcs.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

1504 powershell.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 4440 set thread context of 3620	4440	bwfs.exe	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 37 IoCs

Processes:

powershell.exebwfs.exeRegSvcs.exe

pid	process
1504	powershell.exe
1504	powershell.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
3620	RegSvcs.exe
3620	RegSvcs.exe
3620	RegSvcs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

3620 RegSvcs.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

bwfs.exe

pid process

4440 bwfs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1504 powershell.exe
Token: SeDebugPrivilege 3620 RegSvcs.exe
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

bwfs.exe

pid process

4440 bwfs.exe
4440 bwfs.exe
4440 bwfs.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

bwfs.exe

pid process

4440 bwfs.exe
4440 bwfs.exe
4440 bwfs.exe

pid	process
3620	RegSvcs.exe

pid	process
4440	bwfs.exe

description	pid	process
Token: SeDebugPrivilege	1504	powershell.exe
Token: SeDebugPrivilege	3620	RegSvcs.exe

pid	process
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe

pid	process
4440	bwfs.exe
4440	bwfs.exe
4440	bwfs.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

powershell.exebwfs.exe

description	pid	process	target process
PID 1504 wrote to memory of 4440	1504	powershell.exe	bwfs.exe
PID 1504 wrote to memory of 4440	1504	powershell.exe	bwfs.exe
PID 1504 wrote to memory of 4440	1504	powershell.exe	bwfs.exe
PID 4440 wrote to memory of 1036	4440	bwfs.exe	cmd.exe
PID 4440 wrote to memory of 1036	4440	bwfs.exe	cmd.exe
PID 4440 wrote to memory of 1036	4440	bwfs.exe	cmd.exe
PID 4440 wrote to memory of 3620	4440	bwfs.exe	RegSvcs.exe
PID 4440 wrote to memory of 3620	4440	bwfs.exe	RegSvcs.exe
PID 4440 wrote to memory of 3620	4440	bwfs.exe	RegSvcs.exe
PID 4440 wrote to memory of 3620	4440	bwfs.exe	RegSvcs.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\5c2d7400b58b55608069873d3d5af238_JaffaCakes118.ps1
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1504

C:\Users\Public\bwfs.exe
"C:\Users\Public\bwfs.exe"
2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4440

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c copy "C:\Users\Public\bwfs.exe" "C:\Users\Admin\AppData\Roaming\WebCache\AudioEng.exe"
3⤵
PID:1036

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:3620

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

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\__PSScriptPolicyTest_05b5jum5.ah5.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\bwfs.exe
Filesize
1.4MB

MD5
cfe3e97746dd210830f57876ad71e566

SHA1
8b3afdb5d5e75638d711274596f9c99e265dffec

SHA256
32ad676064d22ecf50d32820a7339f76d44cb34f136d748ee2c3d903a39bf054

SHA512
57f74fb6f0bd476413b8328e16fd418e9a9978eb048a921fb12906599c82ee8d392659ca116c4063e01ed02e436f6d289be905468baf16259fa5b69fd235a6cd

Download Submit
memory/1504-0-0x00007FFF04093000-0x00007FFF04095000-memory.dmp

Filesize
8KB

Download
memory/1504-2-0x000001807C9F0000-0x000001807CA12000-memory.dmp

Filesize
136KB

Download
memory/1504-11-0x00007FFF04090000-0x00007FFF04B51000-memory.dmp

Filesize
10.8MB

Download
memory/1504-12-0x00007FFF04090000-0x00007FFF04B51000-memory.dmp

Filesize
10.8MB

Download
memory/1504-19-0x00007FFF04090000-0x00007FFF04B51000-memory.dmp

Filesize
10.8MB

Download
memory/3620-23-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3620-25-0x0000000001600000-0x0000000001610000-memory.dmp

Filesize
64KB

Download
memory/3620-28-0x0000000001600000-0x0000000001610000-memory.dmp

Filesize
64KB

Download
memory/4440-24-0x00000000013C0000-0x00000000013C3000-memory.dmp

Filesize
12KB

Download
memory/4440-27-0x00000000013C0000-0x00000000013C3000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads