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

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	864e2a02a8da7f5829616b793608b6a5_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\AGP Service = "C:\\Program Files (x86)\\AGP Service\\agpsv.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1692 set thread context of 5036	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	102

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\AGP Service\agpsv.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\AGP Service\agpsv.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

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

pid	Process
1632	schtasks.exe
4312	schtasks.exe
3804	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe
1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe
1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe
1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe
1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe
5036	RegSvcs.exe
5036	RegSvcs.exe
5036	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5036	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe
Token: SeDebugPrivilege	5036	RegSvcs.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 1632	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	98
PID 1692 wrote to memory of 1632	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	98
PID 1692 wrote to memory of 1632	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	98
PID 1692 wrote to memory of 4144	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	100
PID 1692 wrote to memory of 4144	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	100
PID 1692 wrote to memory of 4144	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	100
PID 1692 wrote to memory of 624	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	101
PID 1692 wrote to memory of 624	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	101
PID 1692 wrote to memory of 624	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	101
PID 1692 wrote to memory of 5036	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	102
PID 1692 wrote to memory of 5036	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	102
PID 1692 wrote to memory of 5036	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	102
PID 1692 wrote to memory of 5036	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	102
PID 1692 wrote to memory of 5036	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	102
PID 1692 wrote to memory of 5036	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	102
PID 1692 wrote to memory of 5036	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	102
PID 1692 wrote to memory of 5036	1692	864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe	102
PID 5036 wrote to memory of 4312	5036	RegSvcs.exe	103
PID 5036 wrote to memory of 4312	5036	RegSvcs.exe	103
PID 5036 wrote to memory of 4312	5036	RegSvcs.exe	103
PID 5036 wrote to memory of 3804	5036	RegSvcs.exe	105
PID 5036 wrote to memory of 3804	5036	RegSvcs.exe	105
PID 5036 wrote to memory of 3804	5036	RegSvcs.exe	105

C:\Users\Admin\AppData\Local\Temp\864e2a02a8da7f5829616b793608b6a5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\864e2a02a8da7f5829616b793608b6a5_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:1692
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nYPSbf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1170.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1632
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  PID:4144
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  PID:624
- 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:5036
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "AGP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1671.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4312
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "AGP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp16B1.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3804

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\tmp1170.tmp

Filesize
1KB

MD5
8e8aa5bef0c90343059845fd8262b27e

SHA1
a457ddfb657aa2952fee2fa926f1d3dfa1ac9cae

SHA256
e779668ff2108e5d9c7a76ed9d55cb122dfa8ca2f92249250d8d3c811e605555

SHA512
5d9862b87e10f75fc4d646e3ea1899b26ad7991d776017ac7e64ee085986fa9775d93a4798ff7d0a6dd48c4ed6d29c88a3bd45e112747539961d8d7666a898c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1671.tmp

Filesize
1KB

MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp16B1.tmp

Filesize
1KB

MD5
7a81ae69c04c8d95261eb5f490b7f869

SHA1
9f4f484d306fea15b2e7f9f16db660833bb1f8ce

SHA256
ce3933e772f663a834335cc2071e5e7b2d49a065b51d84a259054b8ef663e785

SHA512
8260ab83106752a488e164bbed63ef334d34399bc9a5c09a0cfceba6aef48eafe5c64e4dfbd353ac3edfff2523b16c2b0287d34833a293c4436e068fae656de8

Download Submit
memory/1692-4-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/1692-1-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/1692-5-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/1692-3-0x0000000075372000-0x0000000075373000-memory.dmp

Filesize
4KB

Download
memory/1692-0-0x0000000075372000-0x0000000075373000-memory.dmp

Filesize
4KB

Download
memory/1692-2-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/1692-14-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/5036-15-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/5036-16-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/5036-13-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/5036-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/5036-24-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/5036-25-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download
memory/5036-26-0x0000000075370000-0x0000000075921000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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