nanocore | 67617f95de4c19d97e4de6934d2b29e02625853fe80a205ff4086c8bb32cd4ab

General

Target

864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe
Size

1.4MB
MD5

864e2a02a8da7f5829616b793608b6a5
SHA1

619a1d84a874f2698f44345d49cd02a205cac6a3
SHA256

67617f95de4c19d97e4de6934d2b29e02625853fe80a205ff4086c8bb32cd4ab
SHA512

847353349017e49e763fb9cab36e61045780500e5ccfaa03a438eb566cde28ab312068947839531aaf77e7b0edbda4d6acdcbf4c45f7b56c6b580b9e504acb47
SSDEEP

24576:0YbZ4tp4AmnemleGlp7BQrH93T2fXKvOc:VbqppxKlp9Md3T2/

Score

10^/10

nanocore discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

fellasbam.ddns.net:1608

Mutex

5e85a270-fa64-4260-8631-d4ec385a3021

Attributes

activate_away_mode
true
backup_connection_host
fellasbam.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-21T08:44:23.523905136Z
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
1608
default_group
NEW UPDATE
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
5e85a270-fa64-4260-8631-d4ec385a3021
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
fellasbam.ddns.net
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

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\IMAP Monitor = "C:\\Program Files (x86)\\IMAP Monitor\\imapmon.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe

description pid process target process

PID 2500 set thread context of 2880 2500 864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe RegSvcs.exe

description	pid	process	target process
PID 2500 set thread context of 2880	2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File created	C:\Program Files (x86)\IMAP Monitor\imapmon.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\IMAP Monitor\imapmon.exe	RegSvcs.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

Processes:

864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exeschtasks.exeRegSvcs.exeschtasks.exeschtasks.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.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

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

2740 schtasks.exe
2588 schtasks.exe
3052 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exeRegSvcs.exe

pid process

2500 864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe
2880 RegSvcs.exe
2880 RegSvcs.exe
2880 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

2880 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2500 864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe
Token: SeDebugPrivilege 2880 RegSvcs.exe

pid	process
2740	schtasks.exe
2588	schtasks.exe
3052	schtasks.exe

pid	process
2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe
2880	RegSvcs.exe
2880	RegSvcs.exe
2880	RegSvcs.exe

pid	process
2880	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe
Token: SeDebugPrivilege	2880	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exeRegSvcs.exe

description	pid	process	target process
PID 2500 wrote to memory of 2740	2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	schtasks.exe
PID 2500 wrote to memory of 2740	2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	schtasks.exe
PID 2500 wrote to memory of 2740	2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	schtasks.exe
PID 2500 wrote to memory of 2740	2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	schtasks.exe
PID 2500 wrote to memory of 2880	2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	RegSvcs.exe
PID 2500 wrote to memory of 2880	2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	RegSvcs.exe
PID 2500 wrote to memory of 2880	2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	RegSvcs.exe
PID 2500 wrote to memory of 2880	2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	RegSvcs.exe
PID 2500 wrote to memory of 2880	2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	RegSvcs.exe
PID 2500 wrote to memory of 2880	2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	RegSvcs.exe
PID 2500 wrote to memory of 2880	2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	RegSvcs.exe
PID 2500 wrote to memory of 2880	2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	RegSvcs.exe
PID 2500 wrote to memory of 2880	2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	RegSvcs.exe
PID 2500 wrote to memory of 2880	2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	RegSvcs.exe
PID 2500 wrote to memory of 2880	2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	RegSvcs.exe
PID 2500 wrote to memory of 2880	2500	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	RegSvcs.exe
PID 2880 wrote to memory of 2588	2880	RegSvcs.exe	schtasks.exe
PID 2880 wrote to memory of 2588	2880	RegSvcs.exe	schtasks.exe
PID 2880 wrote to memory of 2588	2880	RegSvcs.exe	schtasks.exe
PID 2880 wrote to memory of 2588	2880	RegSvcs.exe	schtasks.exe
PID 2880 wrote to memory of 3052	2880	RegSvcs.exe	schtasks.exe
PID 2880 wrote to memory of 3052	2880	RegSvcs.exe	schtasks.exe
PID 2880 wrote to memory of 3052	2880	RegSvcs.exe	schtasks.exe
PID 2880 wrote to memory of 3052	2880	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\864e2a02a8da7f5829616b793608b6a5_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:2500
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nYPSbf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2BF0.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2740
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.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:2880
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "IMAP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2F0C.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2588
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "IMAP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2F8A.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3052

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2BF0.tmp

Filesize
1KB

MD5
09d0f1bacda8bfe40436ffe1634440c3

SHA1
e299479f9698b907c253658db7fc0b7e925d6a5d

SHA256
ffd0674532a8ffbecae1703b7208d8e5a58917906685d3f62b5cd43c65adb3c7

SHA512
2f6ccabddbbc98114e18b362b4a0b80d4c6acccdd293b3952ccffb5e14b09b0e03f67f5504bc587fafff3ad8eed1af240a744d436cc2ec1ba0815f24cdb3762f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2F0C.tmp

Filesize
1KB

MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2F8A.tmp

Filesize
1KB

MD5
d2d6911d94b06e405e7687a2437eafec

SHA1
9f28f9e7d8d5179d44ddaa6ca266984ed7521dea

SHA256
2dc87169ad53fbdd7abb08f49777cb8fb05adbff4e6f6616b4c89942af8cad0f

SHA512
b5983de701ff98e944283a25f1770c1e792d52148dc1671f1d19203f8b9d10b056abcf79a17ca536a5f88ccf52f6445d8f3e75fce628666640ad8bad697dcfd1

Download Submit
memory/2500-26-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2500-1-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2500-2-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2500-3-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2500-4-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2500-0-0x0000000074801000-0x0000000074802000-memory.dmp

Filesize
4KB

Download
memory/2880-27-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2880-25-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2880-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2880-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2880-35-0x0000000074800000-0x0000000074DAB000-memory.dmp

Filesize
5.7MB

Download
memory/2880-36-0x0000000074800000-0x0000000074DAB000-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