nanocore | 3a18b169b555f2e370ae1a3aabe43ee26a0d393a5d0b426543844ed495b6000e

General

Target

9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe
Size

914KB
MD5

9d230d677294f4323b9d08c3eed2bb72
SHA1

b15644efdd3a19f1af19a5f84bf3b20d2c27703e
SHA256

3a18b169b555f2e370ae1a3aabe43ee26a0d393a5d0b426543844ed495b6000e
SHA512

ddf7b1b4160567a8b11d6478628e333362ffeeef03818138b68650e30172ad9ced5de8b14e2374b67d79756281054370ca025e442eb3e1231cbbe82cf3459d5a
SSDEEP

24576:Zgt2TmmBSgVKv/PYgHC/eHC5iZqIGmXbo:0uB90v/PYgi5iH

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

jiiihihihiguuhhgygygtdtdtgdsdxfulllbb.ydns.eu:1007

Mutex

876e6e1f-8c62-4c91-ad2c-a15fec3fa3ab

Attributes

activate_away_mode
true
backup_connection_host
jiiihihihiguuhhgygygtdtdtgdsdxfulllbb.ydns.eu
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-10T03:21:46.038753436Z
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
1007
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
876e6e1f-8c62-4c91-ad2c-a15fec3fa3ab
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
jiiihihihiguuhhgygygtdtdtgdsdxfulllbb.ydns.eu
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

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Nanocore family
nanocore

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Monitor = "C:\\Program Files (x86)\\ARP Monitor\\arpmon.exe"	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe

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	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3184 set thread context of 4232	3184	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe	99

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ARP Monitor\arpmon.exe	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\ARP Monitor\arpmon.exe	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
4204	schtasks.exe
3708	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3184	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe
4232	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe
4232	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe
4232	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4232	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3184	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe
Token: SeDebugPrivilege	4232	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3184 wrote to memory of 4232	3184	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe	99
PID 3184 wrote to memory of 4232	3184	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe	99
PID 3184 wrote to memory of 4232	3184	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe	99
PID 3184 wrote to memory of 4232	3184	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe	99
PID 3184 wrote to memory of 4232	3184	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe	99
PID 3184 wrote to memory of 4232	3184	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe	99
PID 3184 wrote to memory of 4232	3184	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe	99
PID 3184 wrote to memory of 4232	3184	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe	99
PID 4232 wrote to memory of 4204	4232	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe	100
PID 4232 wrote to memory of 4204	4232	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe	100
PID 4232 wrote to memory of 4204	4232	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe	100
PID 4232 wrote to memory of 3708	4232	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe	102
PID 4232 wrote to memory of 3708	4232	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe	102
PID 4232 wrote to memory of 3708	4232	9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe	102

C:\Users\Admin\AppData\Local\Temp\9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3184
- C:\Users\Admin\AppData\Local\Temp\9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4232
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ARP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4774.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4204
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ARP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4811.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\9d230d677294f4323b9d08c3eed2bb72_JaffaCakes118.exe.log

Filesize
594B

MD5
fdb26b3b547022b45cfaeee57eafd566

SHA1
11c6798b8a59233f404014c5e79b3363cd564b37

SHA256
2707fc7f074413881b7bafca05079327b188db6005709951e7f69d39a2af97c0

SHA512
44d9bb8c0f0b341690d00eda86e15a50f7f29ce9595925c1a2a7e19ad26202d10049a7a97bea278ecb7d429ad555de8edceeffff664d4b06309a9410a09bb700

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4774.tmp

Filesize
1KB

MD5
7aa3f11c9ae5cc8fcbb62275d2a2e18e

SHA1
406ca2399ad3a8a32bcb10f8cbf0a8413083deda

SHA256
b251a37d2a0015d3fcc5c545538a487b1a81769f45b2b46fa0772132cf7afc7c

SHA512
2337d62434f6ffd86c0a25444866d98b1503bac5f7004b925f43f150a5c9b42d20067f1e0278b4bba8c2f52a55058ca3032171a443e28d5144956d9c58eb43c4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4811.tmp

Filesize
1KB

MD5
acc7d7829edec6af26aa18f8ca7776ef

SHA1
29f5290d08127f29924a2eb189e21b9bcfbb6f3a

SHA256
2165ad57e4cd29e911a2861e1fe6366ce11912c95f8e5ede61d247b75753001a

SHA512
07e84e0f7eb030dc0f2efde201c023051a2559dbdcde957fea73669a6e2deac9848cf3503e4e7f9524660d61ead850632bb998f12b73b887dfe841286002bc5b

Download Submit
memory/3184-4-0x0000000075122000-0x0000000075123000-memory.dmp

Filesize
4KB

Download
memory/3184-1-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/3184-5-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/3184-0-0x0000000075122000-0x0000000075123000-memory.dmp

Filesize
4KB

Download
memory/3184-3-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/3184-2-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/3184-12-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/4232-11-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/4232-10-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/4232-9-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/4232-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4232-20-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/4232-21-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download
memory/4232-22-0x0000000075120000-0x00000000756D1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads