nanocore | 82be1be3d4d7a7b6925cca55cf090747d6f5df0304809492c7795831aef98f94

General

Target

f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
Size

436KB
MD5

f45ddfd1e8c92782841365c9e15cc4bb
SHA1

0821d3c5b27b96d6663a7e7a029420065505108b
SHA256

82be1be3d4d7a7b6925cca55cf090747d6f5df0304809492c7795831aef98f94
SHA512

a06e538e6ff9b688fed2ce40811e1c4709f56d7160bdef13057d063d75be1c9777ac6a6e631a58726ffc52242802042a7c88de7142b3d394a018a9691c840924
SSDEEP

12288:G0AjdHVkc+1CE7ms005xnS+xzDXmunPpfAR:nkFVkcA7msrnSeb

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.165.153.251:50450

Mutex

fd734765-5adc-40c4-a1d3-54d63fd4ef94

Attributes

activate_away_mode
true
backup_connection_host
185.165.153.251
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-07-06T00:38:11.231478436Z
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
50450
default_group
Jesus
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
fd734765-5adc-40c4-a1d3-54d63fd4ef94
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
185.165.153.251
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

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\ISS Host = "C:\\Program Files (x86)\\ISS Host\\isshost.exe"	f45ddfd1e8c92782841365c9e15cc4bb_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	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1984 set thread context of 2596	1984	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	33

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\ISS Host\isshost.exe	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
File created	C:\Program Files (x86)\ISS Host\isshost.exe	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe

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 5 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	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f45ddfd1e8c92782841365c9e15cc4bb_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 3 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2620	schtasks.exe
3036	schtasks.exe
668	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1984	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
2596	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
2596	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
2596	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2596	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
Token: SeDebugPrivilege	2596	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2620	1984	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	31
PID 1984 wrote to memory of 2620	1984	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	31
PID 1984 wrote to memory of 2620	1984	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	31
PID 1984 wrote to memory of 2620	1984	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	31
PID 1984 wrote to memory of 2596	1984	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	33
PID 1984 wrote to memory of 2596	1984	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	33
PID 1984 wrote to memory of 2596	1984	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	33
PID 1984 wrote to memory of 2596	1984	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	33
PID 1984 wrote to memory of 2596	1984	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	33
PID 1984 wrote to memory of 2596	1984	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	33
PID 1984 wrote to memory of 2596	1984	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	33
PID 1984 wrote to memory of 2596	1984	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	33
PID 1984 wrote to memory of 2596	1984	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	33
PID 2596 wrote to memory of 3036	2596	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	34
PID 2596 wrote to memory of 3036	2596	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	34
PID 2596 wrote to memory of 3036	2596	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	34
PID 2596 wrote to memory of 3036	2596	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	34
PID 2596 wrote to memory of 668	2596	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	36
PID 2596 wrote to memory of 668	2596	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	36
PID 2596 wrote to memory of 668	2596	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	36
PID 2596 wrote to memory of 668	2596	f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe	36

C:\Users\Admin\AppData\Local\Temp\f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f45ddfd1e8c92782841365c9e15cc4bb_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:1984
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QKTcBoAPiIXpHj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6F47.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2620
- C:\Users\Admin\AppData\Local\Temp\f45ddfd1e8c92782841365c9e15cc4bb_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f45ddfd1e8c92782841365c9e15cc4bb_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:2596
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ISS Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp71F5.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3036
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ISS Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7263.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:668

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

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\tmp6F47.tmp

Filesize
1KB

MD5
8746fe8577afc15e7e2fadb874135585

SHA1
7a046f3a6276c10e9a1dc3ec047d5e7b6d19e6a6

SHA256
4fddc75e8532bd52ab4f579486d0f69a6534e590ec421d5ba34e26abe9fbee0a

SHA512
a7551fd6a9ed09acd5f81549d8a570fbbbf26563fcf331acfeb86548227baaad97365a9bbe9cf5ab3ef2fd08dd78f42de75c8cac07ac81ff8b915e420fab48f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp71F5.tmp

Filesize
1KB

MD5
304b86dbe73841af437332eeddfa21ce

SHA1
9082a9da1ce475761cfad642ef9a412fb25b84ec

SHA256
fba885ebdeb1af0b2327f9dd061eea3085fbb328f54042dd9df9b95e81f38700

SHA512
215fd5ad02583810a07b7245062fb5a77a8de6368d048a18a8109223f917c5b9a2ca33daa79794349e6120503c65730985d9be0e859466045924e0a254c1d46b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7263.tmp

Filesize
1KB

MD5
3d1580c0395f6de62659467f5b7f1acf

SHA1
8e73a3885896cecca7ff799a272fc9ddfe06ea96

SHA256
6f40196c42a171f24a3e16edeca664cdc5a2f7c150d468255b0e14ab10a2b714

SHA512
7637c0d9b03227dffcb00a68d97ddce60bfc40ca0f8a7a4bbd700ea56be6d570908511dea5cab9f609a7da2e558e5298c482fd1e330af085f9c52867d5a847ea

Download Submit
memory/1984-0-0x0000000074F11000-0x0000000074F12000-memory.dmp

Filesize
4KB

Download
memory/1984-1-0x0000000074F10000-0x00000000754BB000-memory.dmp

Filesize
5.7MB

Download
memory/1984-2-0x0000000074F10000-0x00000000754BB000-memory.dmp

Filesize
5.7MB

Download
memory/1984-3-0x0000000074F10000-0x00000000754BB000-memory.dmp

Filesize
5.7MB

Download
memory/1984-4-0x0000000074F10000-0x00000000754BB000-memory.dmp

Filesize
5.7MB

Download
memory/1984-24-0x0000000074F10000-0x00000000754BB000-memory.dmp

Filesize
5.7MB

Download
memory/2596-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2596-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2596-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2596-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2596-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2596-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2596-23-0x0000000074F10000-0x00000000754BB000-memory.dmp

Filesize
5.7MB

Download
memory/2596-25-0x0000000074F10000-0x00000000754BB000-memory.dmp

Filesize
5.7MB

Download
memory/2596-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2596-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2596-33-0x0000000074F10000-0x00000000754BB000-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