nanocore | 80f7cf5c13b590c2c2827174cb3d856e19afd61a439af498d5f812c909382abe

General

Target

7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
Size

614KB
MD5

7db1b44f6ea4adad2beaad9b5417d399
SHA1

fbe1384292e70c016b56d113e77cc6f1e7eed77c
SHA256

80f7cf5c13b590c2c2827174cb3d856e19afd61a439af498d5f812c909382abe
SHA512

d8d557343a427831726b78a71fb664ac32aa9332c9bc5485c0714a8a12dccbf53a4119bb171ec226ee32352c5adb94f320a0715a6d6af2cb43047f7f7be22aa8
SSDEEP

12288:782jVv2zv1gVx+YW1SdB1mMRc4a2TRKEHIE:782o2z+TIX1LK4aW7I

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.98.4:2010

127.0.0.1:2010

Mutex

06c820a6-9062-49c3-a472-0ed60e3a6261

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-06-09T00:02:47.514110236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
2010
default_group
divine
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
06c820a6-9062-49c3-a472-0ed60e3a6261
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
194.5.98.4
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:

7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

description	pid	process	target process
PID 2672 set thread context of 2804	2672	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_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

5116 schtasks.exe

pid	process
5116	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

pid	process
2672	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
2804	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
2804	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
2804	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

pid process

2804 7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

pid	process
2804	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2672	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
Token: SeDebugPrivilege	2804	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

description	pid	process	target process
PID 2672 wrote to memory of 5116	2672	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	schtasks.exe
PID 2672 wrote to memory of 5116	2672	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	schtasks.exe
PID 2672 wrote to memory of 5116	2672	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	schtasks.exe
PID 2672 wrote to memory of 2804	2672	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
PID 2672 wrote to memory of 2804	2672	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
PID 2672 wrote to memory of 2804	2672	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
PID 2672 wrote to memory of 2804	2672	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
PID 2672 wrote to memory of 2804	2672	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
PID 2672 wrote to memory of 2804	2672	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
PID 2672 wrote to memory of 2804	2672	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
PID 2672 wrote to memory of 2804	2672	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe	7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2672

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LokanUXWYenty" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4A91.tmp"
2⤵
- Creates scheduled task(s)
PID:5116

C:\Users\Admin\AppData\Local\Temp\7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2804

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

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_v2.0_32\UsageLogs\7db1b44f6ea4adad2beaad9b5417d399_JaffaCakes118.exe.log
Filesize
594B

MD5
fdb26b3b547022b45cfaeee57eafd566

SHA1
11c6798b8a59233f404014c5e79b3363cd564b37

SHA256
2707fc7f074413881b7bafca05079327b188db6005709951e7f69d39a2af97c0

SHA512
44d9bb8c0f0b341690d00eda86e15a50f7f29ce9595925c1a2a7e19ad26202d10049a7a97bea278ecb7d429ad555de8edceeffff664d4b06309a9410a09bb700

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4A91.tmp
Filesize
1KB

MD5
a5985736348db69ad025e6a4cbe30bff

SHA1
cd36d073f43ad77dd4208ab5812efd7ead449a4b

SHA256
16573a5548be28e6c08b6ba2d44a9be2c8341fd06db26a5333c67fc5ab06d906

SHA512
e20deb18fbb6fe57c05f830240007dd34a38641f570be9fc3c473e44d007a009e49d48c2642594f414b0a57f4a341a3bb281dd93a4674739e0bd3e198c897113

Download Submit
memory/2672-14-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/2672-1-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/2672-2-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/2672-3-0x00000000752A2000-0x00000000752A3000-memory.dmp

Filesize
4KB

Download
memory/2672-4-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/2672-0-0x00000000752A2000-0x00000000752A3000-memory.dmp

Filesize
4KB

Download
memory/2804-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2804-13-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/2804-16-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/2804-17-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/2804-18-0x00000000752A0000-0x0000000075851000-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