nanocore | e5e09af0ec4266f07495e94410bc3675871100dd01f83ee0f0dbb5959b434325

General

Target

beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe
Size

1.4MB
MD5

beaab67e79b8d11ac837094df489defe
SHA1

db83c89f287f336a7c497a6eb3a4469f889a0979
SHA256

e5e09af0ec4266f07495e94410bc3675871100dd01f83ee0f0dbb5959b434325
SHA512

228e0cff607db47272e66431ba2846eb25e74f5ca45e61af08b1850abf2fe714db2b301f4c8706e3fbbdcae9cd4b2950ce0d914b7dc60452e7cb5071c4117d6f
SSDEEP

12288:cFPATqgCethDZ15Od9N7HmXQ1TDeKnYBs2B5dgiOmUGufn1p4b0dRT2fXfiLkFs9:IPwCiDatCQ1Nks2B8guf4bmRT2fXo

Score

10^/10

nanocore discovery evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

gcpacking.pw:58899

Mutex

562cbc4c-c238-4c9b-90e7-41ca4a634cfe

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-03-14T02:42:53.210882036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
58899
default_group
Default
enable_debug_mode
true
gc_threshold
1.0485754e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
562cbc4c-c238-4c9b-90e7-41ca4a634cfe
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
gcpacking.pw
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
Nanocore family
nanocore

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2068 set thread context of 2656	2068	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	33

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2956	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2656	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe
2656	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe
2656	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2656	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2656	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2956	2068	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	31
PID 2068 wrote to memory of 2956	2068	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	31
PID 2068 wrote to memory of 2956	2068	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	31
PID 2068 wrote to memory of 2956	2068	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	31
PID 2068 wrote to memory of 2656	2068	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	33
PID 2068 wrote to memory of 2656	2068	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	33
PID 2068 wrote to memory of 2656	2068	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	33
PID 2068 wrote to memory of 2656	2068	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	33
PID 2068 wrote to memory of 2656	2068	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	33
PID 2068 wrote to memory of 2656	2068	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	33
PID 2068 wrote to memory of 2656	2068	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	33
PID 2068 wrote to memory of 2656	2068	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	33
PID 2068 wrote to memory of 2656	2068	beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kdzXCyss" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7436.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2956
- C:\Users\Admin\AppData\Local\Temp\beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\beaab67e79b8d11ac837094df489defe_JaffaCakes118.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2656

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7436.tmp

Filesize
1KB

MD5
7533aeeab0025f9612a264dfcb7d40c3

SHA1
db5e3889df63ced021657d36a1f73fdf3b6e79bc

SHA256
b8a124329b9931306611271a3c31df51de5a4d314142473b9549ef170b1c9978

SHA512
b286c478e8c558aa7daea9e697253c726946d5bdc25b5567494370e64e40df662431fde4b9d9884df783fb1a5b5e520e970fa06a32bd0715f92ef8cf5b2ebd87

Download Submit
memory/2068-26-0x0000000074920000-0x000000007500E000-memory.dmp

Filesize
6.9MB

Download
memory/2068-2-0x0000000000300000-0x000000000031E000-memory.dmp

Filesize
120KB

Download
memory/2068-3-0x0000000074920000-0x000000007500E000-memory.dmp

Filesize
6.9MB

Download
memory/2068-4-0x000000007492E000-0x000000007492F000-memory.dmp

Filesize
4KB

Download
memory/2068-5-0x0000000074920000-0x000000007500E000-memory.dmp

Filesize
6.9MB

Download
memory/2068-6-0x00000000053D0000-0x0000000005476000-memory.dmp

Filesize
664KB

Download
memory/2068-7-0x00000000009F0000-0x0000000000A2A000-memory.dmp

Filesize
232KB

Download
memory/2068-1-0x0000000001390000-0x0000000001508000-memory.dmp

Filesize
1.5MB

Download
memory/2068-0-0x000000007492E000-0x000000007492F000-memory.dmp

Filesize
4KB

Download
memory/2656-31-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/2656-27-0x0000000074920000-0x000000007500E000-memory.dmp

Filesize
6.9MB

Download
memory/2656-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-33-0x0000000074920000-0x000000007500E000-memory.dmp

Filesize
6.9MB

Download
memory/2656-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-25-0x0000000074920000-0x000000007500E000-memory.dmp

Filesize
6.9MB

Download
memory/2656-30-0x0000000000530000-0x000000000054E000-memory.dmp

Filesize
120KB

Download
memory/2656-29-0x00000000003E0000-0x00000000003EA000-memory.dmp

Filesize
40KB

Download
memory/2656-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2656-32-0x0000000074920000-0x000000007500E000-memory.dmp

Filesize
6.9MB

Download
memory/2656-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads