nanocore | cb3ec57389ef463a58a5721042355cda8d227c151ea528e949817534e214bdc8

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-11-2024 10:10

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General

Target

b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
Size

1.1MB
MD5

b08b3e32d70824efc376be391784dc48
SHA1

5697e5cbdf89875fcde4e0138502e2c5fd5c2158
SHA256

cb3ec57389ef463a58a5721042355cda8d227c151ea528e949817534e214bdc8
SHA512

316887470946ab9d046d290f4ff4f7bc2dae1039e48d0c9d614992e23e56b6354260b8c477f374035aa68f2c2d28cd65c4cb46c20c3d34f6696bf65619eb08b1
SSDEEP

12288:6BkjXoeDZJ7Y4jhWaItUs9jS4/lMmmGvgwV9iSCnnRs3bCa8QHmaqOY3haOp9nHP:6CXo6ZVY4jqS5Q81RsfHmkY3t6L

Score

10^/10

nanocore discovery evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

timmy01.ddns.net:39399

timmy005.ddns.net:39399

Mutex

924ff6b4-65b7-475c-a744-25c39eaa2d77

Attributes

activate_away_mode
true
backup_connection_host
timmy005.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-12-03T14:32:05.909912836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
39399
default_group
FEBUARY 2021
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
924ff6b4-65b7-475c-a744-25c39eaa2d77
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
timmy01.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

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

Processes:

powershell.exepowershell.exepowershell.exe

pid	Process
1492	powershell.exe
4652	powershell.exe
4456	powershell.exe

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

Processes:

b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ARP Monitor = "C:\\Program Files (x86)\\ARP Monitor\\arpmon.exe"	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2636 set thread context of 3036	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	106

Drops file in Program Files directory 2 IoCs

Processes:

b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

description	ioc	Process
File created	C:\Program Files (x86)\ARP Monitor\arpmon.exe	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\ARP Monitor\arpmon.exe	b08b3e32d70824efc376be391784dc48_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 6 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:

schtasks.exeb08b3e32d70824efc376be391784dc48_JaffaCakes118.exepowershell.exeb08b3e32d70824efc376be391784dc48_JaffaCakes118.exepowershell.exepowershell.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
3028	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

powershell.exepowershell.exeb08b3e32d70824efc376be391784dc48_JaffaCakes118.exeb08b3e32d70824efc376be391784dc48_JaffaCakes118.exepowershell.exe

pid	Process
1492	powershell.exe
4652	powershell.exe
2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
4652	powershell.exe
1492	powershell.exe
3036	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
3036	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
3036	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
4456	powershell.exe
4456	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

pid	Process
3036	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

powershell.exepowershell.exeb08b3e32d70824efc376be391784dc48_JaffaCakes118.exeb08b3e32d70824efc376be391784dc48_JaffaCakes118.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	4652	powershell.exe
Token: SeDebugPrivilege	1492	powershell.exe
Token: SeDebugPrivilege	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
Token: SeDebugPrivilege	3036	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
Token: SeDebugPrivilege	4456	powershell.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2636 wrote to memory of 1492	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	99
PID 2636 wrote to memory of 1492	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	99
PID 2636 wrote to memory of 1492	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	99
PID 2636 wrote to memory of 4652	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	101
PID 2636 wrote to memory of 4652	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	101
PID 2636 wrote to memory of 4652	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	101
PID 2636 wrote to memory of 3028	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	103
PID 2636 wrote to memory of 3028	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	103
PID 2636 wrote to memory of 3028	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	103
PID 2636 wrote to memory of 4456	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	105
PID 2636 wrote to memory of 4456	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	105
PID 2636 wrote to memory of 4456	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	105
PID 2636 wrote to memory of 3036	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	106
PID 2636 wrote to memory of 3036	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	106
PID 2636 wrote to memory of 3036	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	106
PID 2636 wrote to memory of 3036	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	106
PID 2636 wrote to memory of 3036	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	106
PID 2636 wrote to memory of 3036	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	106
PID 2636 wrote to memory of 3036	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	106
PID 2636 wrote to memory of 3036	2636	b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe	106

C:\Users\Admin\AppData\Local\Temp\b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b08b3e32d70824efc376be391784dc48_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:2636
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1492
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xUtHYOdvEnCpj.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4652
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xUtHYOdvEnCpj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8B24.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3028
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xUtHYOdvEnCpj.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4456
- C:\Users\Admin\AppData\Local\Temp\b08b3e32d70824efc376be391784dc48_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b08b3e32d70824efc376be391784dc48_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
  PID:3036

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
f1a2df7cadb95a6340062672a3fb19c1

SHA1
92ee2ec22bf09919863a8081acffcc46b9daf0ab

SHA256
c614b1754816806a98fcca6f6d0cdece9d1635d541e2e668580c6cb2b8814cc2

SHA512
e34085a2059a257cf59f4cf4675c3ca9934f85b1e87a633b08c5005a4a161d892e0ae3f833414435a0f82bcc00bf35b24cb3e4687f3819d5e9fc39affe0489b8

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pxunzrtl.3dr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8B24.tmp

Filesize
1KB

MD5
1f94d59863bf5c2b7594b98fafc59455

SHA1
0ea28dc8b05365820dd0a4192c0c0412c3c29f26

SHA256
8a1c54ef93a267f95d3766afec985c7a8ddc7c4f2d0ffe059cce6bf4e1407b2e

SHA512
31244f6fc2f2d465880b1d403e753ddf1f65afef3302280480581928c8c1a9686ff916a71be48b17046412843b88ba2eb264432fed3ca77923fa75286531195a

Download Submit
memory/1492-23-0x0000000005420000-0x0000000005442000-memory.dmp

Filesize
136KB

Download
memory/1492-21-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/1492-101-0x0000000006ED0000-0x0000000006EEA000-memory.dmp

Filesize
104KB

Download
memory/1492-26-0x0000000005530000-0x0000000005596000-memory.dmp

Filesize
408KB

Download
memory/1492-28-0x00000000055A0000-0x00000000058F4000-memory.dmp

Filesize
3.3MB

Download
memory/1492-78-0x000000006FD40000-0x000000006FD8C000-memory.dmp

Filesize
304KB

Download
memory/1492-24-0x00000000054C0000-0x0000000005526000-memory.dmp

Filesize
408KB

Download
memory/1492-117-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/1492-17-0x0000000004600000-0x0000000004636000-memory.dmp

Filesize
216KB

Download
memory/1492-18-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/1492-19-0x0000000004CF0000-0x0000000005318000-memory.dmp

Filesize
6.2MB

Download
memory/1492-20-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/2636-5-0x0000000005020000-0x000000000502A000-memory.dmp

Filesize
40KB

Download
memory/2636-3-0x00000000056E0000-0x0000000005C84000-memory.dmp

Filesize
5.6MB

Download
memory/2636-12-0x0000000008EC0000-0x0000000008EFA000-memory.dmp

Filesize
232KB

Download
memory/2636-11-0x00000000068A0000-0x0000000006946000-memory.dmp

Filesize
664KB

Download
memory/2636-10-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/2636-9-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/2636-4-0x0000000005130000-0x00000000051C2000-memory.dmp

Filesize
584KB

Download
memory/2636-6-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/2636-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

Filesize
4KB

Download
memory/2636-2-0x0000000005090000-0x000000000512C000-memory.dmp

Filesize
624KB

Download
memory/2636-8-0x0000000005420000-0x0000000005436000-memory.dmp

Filesize
88KB

Download
memory/2636-1-0x0000000000690000-0x00000000007BC000-memory.dmp

Filesize
1.2MB

Download
memory/2636-7-0x0000000005340000-0x0000000005396000-memory.dmp

Filesize
344KB

Download
memory/2636-51-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/3036-48-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3036-55-0x0000000005090000-0x000000000509A000-memory.dmp

Filesize
40KB

Download
memory/3036-56-0x0000000005410000-0x000000000542E000-memory.dmp

Filesize
120KB

Download
memory/3036-57-0x0000000005D50000-0x0000000005D5A000-memory.dmp

Filesize
40KB

Download
memory/4456-107-0x0000000007480000-0x000000000749A000-memory.dmp

Filesize
104KB

Download
memory/4456-108-0x0000000007460000-0x0000000007468000-memory.dmp

Filesize
32KB

Download
memory/4456-106-0x0000000007380000-0x0000000007394000-memory.dmp

Filesize
80KB

Download
memory/4456-105-0x0000000007370000-0x000000000737E000-memory.dmp

Filesize
56KB

Download
memory/4456-90-0x000000006FD40000-0x000000006FD8C000-memory.dmp

Filesize
304KB

Download
memory/4456-100-0x0000000007780000-0x0000000007DFA000-memory.dmp

Filesize
6.5MB

Download
memory/4456-102-0x00000000071B0000-0x00000000071BA000-memory.dmp

Filesize
40KB

Download
memory/4652-52-0x0000000006090000-0x00000000060DC000-memory.dmp

Filesize
304KB

Download
memory/4652-103-0x00000000075D0000-0x0000000007666000-memory.dmp

Filesize
600KB

Download
memory/4652-104-0x0000000007550000-0x0000000007561000-memory.dmp

Filesize
68KB

Download
memory/4652-89-0x0000000006FF0000-0x0000000007093000-memory.dmp

Filesize
652KB

Download
memory/4652-87-0x0000000006F80000-0x0000000006F9E000-memory.dmp

Filesize
120KB

Download
memory/4652-68-0x000000006FD40000-0x000000006FD8C000-memory.dmp

Filesize
304KB

Download
memory/4652-67-0x0000000006FA0000-0x0000000006FD2000-memory.dmp

Filesize
200KB

Download
memory/4652-111-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4652-50-0x0000000006000000-0x000000000601E000-memory.dmp

Filesize
120KB

Download
memory/4652-27-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

Download
memory/4652-29-0x0000000074D90000-0x0000000075540000-memory.dmp

Filesize
7.7MB

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memory/4652-25-0x0000000074D90000-0x0000000075540000-memory.dmp

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