nanocore | a5ea7531303b41672f2e367e290f0b79c72ac4f678a394fb61e16336b5e36af1

General

Target

f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe
Size

1.3MB
MD5

f2d5e0e653500f27745cdfe48f4f61df
SHA1

a48a9576d1ed82c644b6678d1a9efc180e125bbc
SHA256

a5ea7531303b41672f2e367e290f0b79c72ac4f678a394fb61e16336b5e36af1
SHA512

b8a4f82b1dfa0dbdcaf05507362209a1d06e63ce3c1b4484bc18b7fe83e2144f2d8ca5181f18be412db7dfe8b0bbe577eaadfce1c51bb6312528b4b471889c5e
SSDEEP

24576:FWpvKwc6uMNjL+frsF0lhWRVFgyrnpZcXN:MpvxcChL+fgC07pZcXN

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.98.127:54984

127.0.0.1:54984

Mutex

3994e0df-038e-4283-9a6f-7af7d7806576

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-16T10:50:52.692208236Z
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
54984
default_group
iyke
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
3994e0df-038e-4283-9a6f-7af7d7806576
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
194.5.98.127
primary_dns_server
8.8.8.8
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
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\SCSI Service = "C:\\Program Files (x86)\\SCSI Service\\scsisvc.exe"	f2d5e0e653500f27745cdfe48f4f61df_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	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1508 set thread context of 2688	1508	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe	31

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SCSI Service\scsisvc.exe	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\SCSI Service\scsisvc.exe	f2d5e0e653500f27745cdfe48f4f61df_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	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2088	schtasks.exe
2228	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2688	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe
2688	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe
2688	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2688	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 2688	1508	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2688	1508	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2688	1508	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2688	1508	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2688	1508	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2688	1508	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2688	1508	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2688	1508	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2688	1508	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe	31
PID 2688 wrote to memory of 2088	2688	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe	32
PID 2688 wrote to memory of 2088	2688	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe	32
PID 2688 wrote to memory of 2088	2688	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe	32
PID 2688 wrote to memory of 2088	2688	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe	32
PID 2688 wrote to memory of 2228	2688	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe	34
PID 2688 wrote to memory of 2228	2688	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe	34
PID 2688 wrote to memory of 2228	2688	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe	34
PID 2688 wrote to memory of 2228	2688	f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe	34

C:\Users\Admin\AppData\Local\Temp\f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Users\Admin\AppData\Local\Temp\f2d5e0e653500f27745cdfe48f4f61df_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f2d5e0e653500f27745cdfe48f4f61df_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:2688
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB99F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2088
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpBA3C.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2228

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB99F.tmp

Filesize
1KB

MD5
5e048df251eae599943627a6ec487f20

SHA1
ea34cf5a2ff16dca134a094e70bbc7f2ff651f39

SHA256
89ad8cdfa80acef27c9391cd25b742c4ac85f452dbb3496f03ad956e6ed7e13d

SHA512
05a327e6e988ab17b0bd4b58b2f21e2ea9a31837ecaf5edf798b7afacdf12ea32d6e3ee62609fd1eded82d755f3e9ffdb471dd3e219f4587cb247badaa27450c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBA3C.tmp

Filesize
1KB

MD5
4e71faa3a77029484cfaba423d96618f

SHA1
9c837d050bb43d69dc608af809c292e13bca4718

SHA256
c470f45efd2e7c4c5b88534a18965a78dce0f8e154d3e45a9d5569ad0e334bdb

SHA512
6d014de41352f2b0b494d94cd58188791e81d4e53578d0722110b6827793b735e19c614877f25c61b26233dea1b5f1998ba1240bdc8fa04c87b7e64a4ca15fe0

Download Submit
memory/1508-0-0x0000000073FE1000-0x0000000073FE2000-memory.dmp

Filesize
4KB

Download
memory/1508-1-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/1508-2-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/1508-3-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/1508-4-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/1508-22-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/2688-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2688-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2688-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2688-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2688-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2688-20-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/2688-21-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download
memory/2688-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2688-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2688-5-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2688-30-0x0000000073FE0000-0x000000007458B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads