nanocore | ae095ebb3fffa75296b6db100d55ef0dcf8e8c7eb9a0c616e0adb732dc4ee8c9

General

Target

1fc9414612683fa9b525a75355706490_JaffaCakes118.exe
Size

636KB
MD5

1fc9414612683fa9b525a75355706490
SHA1

780cee42ffebc33391e0a814db98e5cf8affed5e
SHA256

ae095ebb3fffa75296b6db100d55ef0dcf8e8c7eb9a0c616e0adb732dc4ee8c9
SHA512

87777ca70b286fdb5b769efab741a09546e68825769b381328e8deb9321099a5315a30cbf512cacd3297bb1f7cd55983048aeb15c47862a4811bce2a6bf4dbeb
SSDEEP

12288:o0cPk+EcPRnhUVjfP+Uuf2j613ztwXUoaAE0UErHPsRIY9Zi6g6SB:JcPhEcpw+U02e13ztwXUoaAlrvsxi6aB

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

chinomso.duckdns.org:7688

Mutex

bee718f3-e47a-44f8-955e-2fe2c6c0351c

Attributes

activate_away_mode
true
backup_connection_host
chinomso.duckdns.org
backup_dns_server
chinomso.duckdns.org
buffer_size
65535
build_time
2021-01-17T14:27:22.436365536Z
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
7688
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
bee718f3-e47a-44f8-955e-2fe2c6c0351c
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
chinomso.duckdns.org
primary_dns_server
chinomso.duckdns.org
request_elevation
false
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

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:

1fc9414612683fa9b525a75355706490_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-557049126-2506969350-2798870634-1000\Control Panel\International\Geo\Nation	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

1fc9414612683fa9b525a75355706490_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Service = "C:\\Program Files (x86)\\ARP Service\\arpsv.exe"	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

1fc9414612683fa9b525a75355706490_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1fc9414612683fa9b525a75355706490_JaffaCakes118.exe

description	pid	process	target process
PID 1076 set thread context of 2808	1076	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

1fc9414612683fa9b525a75355706490_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\ARP Service\arpsv.exe	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\ARP Service\arpsv.exe	1fc9414612683fa9b525a75355706490_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 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

2988 schtasks.exe
4380 schtasks.exe
3636 schtasks.exe

pid	process
2988	schtasks.exe
4380	schtasks.exe
3636	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

1fc9414612683fa9b525a75355706490_JaffaCakes118.exe

pid	process
2808	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe
2808	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe
2808	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

1fc9414612683fa9b525a75355706490_JaffaCakes118.exe

pid process

2808 1fc9414612683fa9b525a75355706490_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

1fc9414612683fa9b525a75355706490_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 2808 1fc9414612683fa9b525a75355706490_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2808	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

1fc9414612683fa9b525a75355706490_JaffaCakes118.exe1fc9414612683fa9b525a75355706490_JaffaCakes118.exe

description	pid	process	target process
PID 1076 wrote to memory of 2988	1076	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe	schtasks.exe
PID 1076 wrote to memory of 2988	1076	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe	schtasks.exe
PID 1076 wrote to memory of 2988	1076	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe	schtasks.exe
PID 1076 wrote to memory of 2808	1076	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe
PID 1076 wrote to memory of 2808	1076	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe
PID 1076 wrote to memory of 2808	1076	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe
PID 1076 wrote to memory of 2808	1076	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe
PID 1076 wrote to memory of 2808	1076	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe
PID 1076 wrote to memory of 2808	1076	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe
PID 1076 wrote to memory of 2808	1076	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe
PID 1076 wrote to memory of 2808	1076	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe
PID 2808 wrote to memory of 4380	2808	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe	schtasks.exe
PID 2808 wrote to memory of 4380	2808	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe	schtasks.exe
PID 2808 wrote to memory of 4380	2808	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe	schtasks.exe
PID 2808 wrote to memory of 3636	2808	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe	schtasks.exe
PID 2808 wrote to memory of 3636	2808	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe	schtasks.exe
PID 2808 wrote to memory of 3636	2808	1fc9414612683fa9b525a75355706490_JaffaCakes118.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\1fc9414612683fa9b525a75355706490_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1fc9414612683fa9b525a75355706490_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1076

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xWvcJacCRTJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp22F4.tmp"
2⤵
- Creates scheduled task(s)
PID:2988

C:\Users\Admin\AppData\Local\Temp\1fc9414612683fa9b525a75355706490_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1fc9414612683fa9b525a75355706490_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
- Suspicious use of WriteProcessMemory
PID:2808

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ARP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2BDD.tmp"
3⤵
- Creates scheduled task(s)
PID:4380

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "ARP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2CAA.tmp"
3⤵
- Creates scheduled task(s)
PID:3636

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

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\1fc9414612683fa9b525a75355706490_JaffaCakes118.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2BDD.tmp
Filesize
1KB

MD5
1ee351f593e6b593374dc58a366b9d20

SHA1
0bcd02b624fe8f154c46b2e50625869e71f983f2

SHA256
6c7568444531e9999148e98b6d12489c3044fcac52077b70f7a1dffb687de237

SHA512
eb8e8fae0e3286d5ef5a2dbfcaa4c600f843fb7169a36eb987c39ff9ca8828008cb66751f0bf336a2e08f99283964f57343218254cdc9825432a572f93f1313c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2CAA.tmp
Filesize
1KB

MD5
e3d8a2c80dc1de6ebee175682e7e4dd3

SHA1
5bb398aed2393c4cf0346b562b838c95fd708309

SHA256
60775bc8ec1db88eff1bd8ee35f3a237e2b3b65d4c8835d582dc410523f33aa0

SHA512
f61d934c0bd3122f0842de57f5ab0853b31be672360c5cce09f3509920b3da0690240da89e5d31a9c8cb67383f635e03085b5b44416a042e4501aa35fb58c912

Download Submit
memory/1076-10-0x0000000006BE0000-0x0000000006C64000-memory.dmp

Filesize
528KB

Download
memory/1076-3-0x0000000005440000-0x00000000054D2000-memory.dmp

Filesize
584KB

Download
memory/1076-5-0x0000000005410000-0x000000000541A000-memory.dmp

Filesize
40KB

Download
memory/1076-6-0x0000000005690000-0x000000000569A000-memory.dmp

Filesize
40KB

Download
memory/1076-7-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/1076-8-0x00000000056A0000-0x00000000056B0000-memory.dmp

Filesize
64KB

Download
memory/1076-9-0x0000000006A40000-0x0000000006ADC000-memory.dmp

Filesize
624KB

Download
memory/1076-0-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/1076-1-0x00000000009B0000-0x0000000000A56000-memory.dmp

Filesize
664KB

Download
memory/1076-4-0x00000000056A0000-0x00000000056B0000-memory.dmp

Filesize
64KB

Download
memory/1076-20-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/1076-2-0x00000000059F0000-0x0000000005F94000-memory.dmp

Filesize
5.6MB

Download
memory/2808-21-0x0000000005330000-0x0000000005340000-memory.dmp

Filesize
64KB

Download
memory/2808-19-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/2808-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2808-29-0x0000000005320000-0x000000000532A000-memory.dmp

Filesize
40KB

Download
memory/2808-30-0x00000000056A0000-0x00000000056BE000-memory.dmp

Filesize
120KB

Download
memory/2808-31-0x00000000062B0000-0x00000000062BA000-memory.dmp

Filesize
40KB

Download
memory/2808-32-0x0000000074430000-0x0000000074BE0000-memory.dmp

Filesize
7.7MB

Download
memory/2808-33-0x0000000005330000-0x0000000005340000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads