nanocore | 4179d2225147aa72a656ca1afe21e7379506025d5d8e1da52a05954c85ceaf37

General

Target

afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe
Size

540KB
MD5

afd5dddfff1a0d85a3ce8d8b0d99c47e
SHA1

fc6859e8a4c16338702148f6c6e35bd9b35a6bfb
SHA256

4179d2225147aa72a656ca1afe21e7379506025d5d8e1da52a05954c85ceaf37
SHA512

1d7904b59f51d2d7a5e49919e3ef241ff45140ddc69ed66d9d90655d5dee15d67f1c6c52bb61022a52c82fd6563f51ffb075a2c817ca63435af3b302b03e9334
SSDEEP

12288:DtfFmV5WtDvDwCEkzCs3oA3DEcR0UUhK:SyvDw/2Cs3ogD90hK

Score

10^/10

nanocore discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

office13.servemp3.com:2017

127.0.0.1:2017

Mutex

0e343682-e5e0-4dc1-8e72-137151a60207

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-07-08T02:45:23.428901736Z
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
2017
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
0e343682-e5e0-4dc1-8e72-137151a60207
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
office13.servemp3.com
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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe

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\WPA Subsystem = "C:\\Program Files (x86)\\WPA Subsystem\\wpass.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1468 set thread context of 4604	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	104

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WPA Subsystem\wpass.exe	MSBuild.exe
File opened for modification	C:\Program Files (x86)\WPA Subsystem\wpass.exe	MSBuild.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	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.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
1432	schtasks.exe
2036	schtasks.exe
1328	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe
1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe
1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe
1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe
1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe
1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe
1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe
4604	MSBuild.exe
4604	MSBuild.exe
4604	MSBuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4604	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe
Token: SeDebugPrivilege	4604	MSBuild.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1468 wrote to memory of 1432	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	99
PID 1468 wrote to memory of 1432	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	99
PID 1468 wrote to memory of 1432	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	99
PID 1468 wrote to memory of 2072	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	101
PID 1468 wrote to memory of 2072	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	101
PID 1468 wrote to memory of 2072	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	101
PID 1468 wrote to memory of 3296	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	102
PID 1468 wrote to memory of 3296	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	102
PID 1468 wrote to memory of 3296	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	102
PID 1468 wrote to memory of 3572	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	103
PID 1468 wrote to memory of 3572	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	103
PID 1468 wrote to memory of 3572	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	103
PID 1468 wrote to memory of 4604	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	104
PID 1468 wrote to memory of 4604	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	104
PID 1468 wrote to memory of 4604	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	104
PID 1468 wrote to memory of 4604	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	104
PID 1468 wrote to memory of 4604	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	104
PID 1468 wrote to memory of 4604	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	104
PID 1468 wrote to memory of 4604	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	104
PID 1468 wrote to memory of 4604	1468	afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe	104
PID 4604 wrote to memory of 2036	4604	MSBuild.exe	105
PID 4604 wrote to memory of 2036	4604	MSBuild.exe	105
PID 4604 wrote to memory of 2036	4604	MSBuild.exe	105
PID 4604 wrote to memory of 1328	4604	MSBuild.exe	107
PID 4604 wrote to memory of 1328	4604	MSBuild.exe	107
PID 4604 wrote to memory of 1328	4604	MSBuild.exe	107

C:\Users\Admin\AppData\Local\Temp\afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\afd5dddfff1a0d85a3ce8d8b0d99c47e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1468
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KTYHdPgmxEKh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp61A3.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1432
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
  2⤵
  PID:2072
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
  2⤵
  PID:3296
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
  2⤵
  PID:3572
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
  2⤵
  - Adds Run key to start application
  - 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:4604
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6443.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2036
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6473.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1328

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

Query Registry

1

T1012

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\tmp61A3.tmp

Filesize
1KB

MD5
4e4f4b37b868e32f3e4bc75fe9b88069

SHA1
b134120cfd9870b9288bbc68357de7491e504c8f

SHA256
fd5efff5257fdcfe1bbeaf9d71684e8793ce35122c7464f21a94127c401066e4

SHA512
6f6a39b1da847de9445f8a6573a565b7da45ce03399aef420049dba2c3b49a7c3e10ed3699cd3fbccac949d943485877c3c8af042394fe24290a005943c94d51

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6443.tmp

Filesize
1KB

MD5
ae766004c0d8792953bafffe8f6a2e3b

SHA1
14b12f27543a401e2fe0af8052e116cab0032426

SHA256
1abdd9b6a6b84e4ba1af1282dc84ce276c59ba253f4c4af05fea498a4fd99540

SHA512
e530da4a5d4336fc37838d0e93b5eb3804b9c489c71f6954a47fc81a4c655bb72ec493e109cf96e6e3617d7623ac80697ad3bbd5ffc6281bafc8b34dca5e6567

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6473.tmp

Filesize
1KB

MD5
4365cd1ae65923a319ef2683a45891fe

SHA1
85dde233112660e31c53884aedfbad52e4547e09

SHA256
84b6ce4ba26fa6fb57fa70b9ad191f7c42c71e259897955b5d514385bcd91b58

SHA512
d1bd24f504c5c2ecaa3ae98268ccc2e400ea3e16980c6caf394eadf7738225e4d5578fbe62bbe2de3fe0cb56a0d76bb3fc84cef3b9cd2f3d8be6d0becefdc035

Download Submit
memory/1468-4-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/1468-13-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/1468-3-0x00000000750C2000-0x00000000750C3000-memory.dmp

Filesize
4KB

Download
memory/1468-1-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/1468-2-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/1468-0-0x00000000750C2000-0x00000000750C3000-memory.dmp

Filesize
4KB

Download
memory/4604-18-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/4604-14-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/4604-12-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/4604-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4604-23-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/4604-24-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/4604-25-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/4604-26-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/4604-27-0x00000000750C0000-0x0000000075671000-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