nanocore | 6710521513db48fe2a39f2dd8a654827a491840c1f4b4fa850d496bb870f1edf

General

Target

7146d332109f3bab94ac41330eb52f5b_JaffaCakes118.exe
Size

276KB
MD5

7146d332109f3bab94ac41330eb52f5b
SHA1

8720b52697aacf200476def733ba636df5767add
SHA256

6710521513db48fe2a39f2dd8a654827a491840c1f4b4fa850d496bb870f1edf
SHA512

a2bd021dc240bd5b546cb16e28df4f70add0af73fc7ed214acfa8c087f57fcf9228aa0ee8aee9de5deee07119b8b1450a3b101339daab31c3e14226506fb38ab
SSDEEP

6144:e2vx5F1kkr7T+S1wtEEyDuRELSReJ0LiNuKViOVnc1:FvzFekaHE7RLSIAKFe1

Score

10^/10

nanocore discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

mondaynew22.3utilities.com:7401

Mutex

ce015ed5-e71a-4003-8015-209437e879ca

Attributes

activate_away_mode
true
backup_connection_host
mondaynew22.3utilities.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-13T23:24:38.372792036Z
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
7401
default_group
AGU$$
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
ce015ed5-e71a-4003-8015-209437e879ca
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
mondaynew22.3utilities.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

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\IMAP Monitor = "C:\\Program Files (x86)\\IMAP Monitor\\imapmon.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1712 set thread context of 2016	1712	7146d332109f3bab94ac41330eb52f5b_JaffaCakes118.exe	31

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\IMAP Monitor\imapmon.exe	MSBuild.exe
File opened for modification	C:\Program Files (x86)\IMAP Monitor\imapmon.exe	MSBuild.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	7146d332109f3bab94ac41330eb52f5b_JaffaCakes118.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 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2276	schtasks.exe
2904	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2016	MSBuild.exe
2016	MSBuild.exe
2016	MSBuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2016	MSBuild.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1712	7146d332109f3bab94ac41330eb52f5b_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2016	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 2016	1712	7146d332109f3bab94ac41330eb52f5b_JaffaCakes118.exe	31
PID 1712 wrote to memory of 2016	1712	7146d332109f3bab94ac41330eb52f5b_JaffaCakes118.exe	31
PID 1712 wrote to memory of 2016	1712	7146d332109f3bab94ac41330eb52f5b_JaffaCakes118.exe	31
PID 1712 wrote to memory of 2016	1712	7146d332109f3bab94ac41330eb52f5b_JaffaCakes118.exe	31
PID 1712 wrote to memory of 2016	1712	7146d332109f3bab94ac41330eb52f5b_JaffaCakes118.exe	31
PID 2016 wrote to memory of 2276	2016	MSBuild.exe	32
PID 2016 wrote to memory of 2276	2016	MSBuild.exe	32
PID 2016 wrote to memory of 2276	2016	MSBuild.exe	32
PID 2016 wrote to memory of 2276	2016	MSBuild.exe	32
PID 2016 wrote to memory of 2904	2016	MSBuild.exe	34
PID 2016 wrote to memory of 2904	2016	MSBuild.exe	34
PID 2016 wrote to memory of 2904	2016	MSBuild.exe	34
PID 2016 wrote to memory of 2904	2016	MSBuild.exe	34

C:\Users\Admin\AppData\Local\Temp\7146d332109f3bab94ac41330eb52f5b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7146d332109f3bab94ac41330eb52f5b_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\Users\Admin\AppData\Local\Temp\7146d332109f3bab94ac41330eb52f5b_JaffaCakes118.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:2016
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "IMAP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA8BD.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2276
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "IMAP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA95A.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2904

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 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\tmpA8BD.tmp

Filesize
1KB

MD5
ae766004c0d8792953bafffe8f6a2e3b

SHA1
14b12f27543a401e2fe0af8052e116cab0032426

SHA256
1abdd9b6a6b84e4ba1af1282dc84ce276c59ba253f4c4af05fea498a4fd99540

SHA512
e530da4a5d4336fc37838d0e93b5eb3804b9c489c71f6954a47fc81a4c655bb72ec493e109cf96e6e3617d7623ac80697ad3bbd5ffc6281bafc8b34dca5e6567

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA95A.tmp

Filesize
1KB

MD5
d2d6911d94b06e405e7687a2437eafec

SHA1
9f28f9e7d8d5179d44ddaa6ca266984ed7521dea

SHA256
2dc87169ad53fbdd7abb08f49777cb8fb05adbff4e6f6616b4c89942af8cad0f

SHA512
b5983de701ff98e944283a25f1770c1e792d52148dc1671f1d19203f8b9d10b056abcf79a17ca536a5f88ccf52f6445d8f3e75fce628666640ad8bad697dcfd1

Download Submit
memory/1712-0-0x0000000000403000-0x0000000000404000-memory.dmp

Filesize
4KB

Download
memory/1712-1-0x0000000000400000-0x0000000000413000-memory.dmp

Filesize
76KB

Download
memory/2016-6-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2016-7-0x0000000074F11000-0x0000000074F12000-memory.dmp

Filesize
4KB

Download
memory/2016-8-0x0000000074F10000-0x00000000754BB000-memory.dmp

Filesize
5.7MB

Download
memory/2016-9-0x0000000074F10000-0x00000000754BB000-memory.dmp

Filesize
5.7MB

Download
memory/2016-4-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2016-2-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2016-17-0x0000000074F10000-0x00000000754BB000-memory.dmp

Filesize
5.7MB

Download
memory/2016-18-0x0000000074F10000-0x00000000754BB000-memory.dmp

Filesize
5.7MB

Download
memory/2016-19-0x0000000074F10000-0x00000000754BB000-memory.dmp

Filesize
5.7MB

Download
memory/2016-20-0x0000000074F10000-0x00000000754BB000-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