nanocore | 3a5c5182c1970ba943e86d71e7338bd1e1fe9cd5bf5306820715a4ef21dc6380

Analysis

max time kernel
146s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27/08/2024, 10:36

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General

Target
c4d4c39497767793776ce76246a930c7_JaffaCakes118.exe
Size 397KB
Sample240827-mnnfaawfpb
SHA256 3a5c5182c1970ba943e86d71e7338bd1e1fe9cd5bf5306820715a4ef21dc6380
MD5 c4d4c39497767793776ce76246a930c7
SHA1 d02a8aff5571d7fe0da331db55d4be1dfe2cb3d9
SHA512 69bfbc64c8c67cb685a0c4b395c1adeaae634b7d875829dba38dc9ceeb0d05aa7def08e518beb955d8122087751fed6342ef4bf260682e74d37deec25fbe8ce3
SSDEEP 12288:w4nPzebkjeVSDMMEDp20FbOczk5WPiZc:wGebzVSM9DULsYc
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

nzenzeka1.hopto.org:6060
194.5.98.92:6060

Mutex

7eced8cc-69ff-4fc3-a718-fabe3444d8d7

Attributes

activate_away_mode
true
backup_connection_host
194.5.98.92
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-11-10T00:18:48.541501636Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
6060
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
7eced8cc-69ff-4fc3-a718-fabe3444d8d7
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
nzenzeka1.hopto.org
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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	c4d4c39497767793776ce76246a930c7_JaffaCakes118.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.lnk	app.exe

Executes dropped EXE 2 IoCs

pid	Process
1724	app.exe
2580	app.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\DPI Service = "C:\\Program Files (x86)\\DPI Service\\dpisv.exe"	app.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1724 set thread context of 2580	1724	app.exe	103

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DPI Service\dpisv.exe	app.exe
File opened for modification	C:\Program Files (x86)\DPI Service\dpisv.exe	app.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	app.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	app.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c4d4c39497767793776ce76246a930c7_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2580	app.exe
2580	app.exe
2580	app.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2580	app.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	316	c4d4c39497767793776ce76246a930c7_JaffaCakes118.exe
Token: 33	316	c4d4c39497767793776ce76246a930c7_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	316	c4d4c39497767793776ce76246a930c7_JaffaCakes118.exe
Token: SeDebugPrivilege	1724	app.exe
Token: 33	1724	app.exe
Token: SeIncBasePriorityPrivilege	1724	app.exe
Token: SeDebugPrivilege	2580	app.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 1768	316	c4d4c39497767793776ce76246a930c7_JaffaCakes118.exe	94
PID 316 wrote to memory of 1768	316	c4d4c39497767793776ce76246a930c7_JaffaCakes118.exe	94
PID 316 wrote to memory of 1768	316	c4d4c39497767793776ce76246a930c7_JaffaCakes118.exe	94
PID 316 wrote to memory of 3316	316	c4d4c39497767793776ce76246a930c7_JaffaCakes118.exe	99
PID 316 wrote to memory of 3316	316	c4d4c39497767793776ce76246a930c7_JaffaCakes118.exe	99
PID 316 wrote to memory of 3316	316	c4d4c39497767793776ce76246a930c7_JaffaCakes118.exe	99
PID 3316 wrote to memory of 1724	3316	cmd.exe	101
PID 3316 wrote to memory of 1724	3316	cmd.exe	101
PID 3316 wrote to memory of 1724	3316	cmd.exe	101
PID 1724 wrote to memory of 2580	1724	app.exe	103
PID 1724 wrote to memory of 2580	1724	app.exe	103
PID 1724 wrote to memory of 2580	1724	app.exe	103
PID 1724 wrote to memory of 2580	1724	app.exe	103
PID 1724 wrote to memory of 2580	1724	app.exe	103
PID 1724 wrote to memory of 2580	1724	app.exe	103
PID 1724 wrote to memory of 2580	1724	app.exe	103
PID 1724 wrote to memory of 2580	1724	app.exe	103

C:\Users\Admin\AppData\Local\Temp\c4d4c39497767793776ce76246a930c7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c4d4c39497767793776ce76246a930c7_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:316
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\c4d4c39497767793776ce76246a930c7_JaffaCakes118.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\app.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1768
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\app.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3316
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\app.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\app.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1724
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\app.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\app.exe"
      4⤵
      Executes dropped EXE
      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:2580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

app.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\app.exe.log
Size 706B
SHA256 daf03e5c336ea1f929b443ba45f1d96f33261a95482a3ea76029711c6947551f
MD5 06291050cb4cf47123d1d60f3520af12
SHA1 8b51c73ef4ea0033a7404d11cf2ceadc273cb821
SHA512 bc7fc296a39dde8ba60ae586bc8ed903d3df9c9bbdb100e615c4693b4b5a6518759e67cb0cb65f405e07391f7c59c7183ad236aa763e0504f4601a96ced8f919
MD5 SHA1 SHA512

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app.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\app.exe
Size 397KB
SHA256 3a5c5182c1970ba943e86d71e7338bd1e1fe9cd5bf5306820715a4ef21dc6380
MD5 c4d4c39497767793776ce76246a930c7
SHA1 d02a8aff5571d7fe0da331db55d4be1dfe2cb3d9
SHA512 69bfbc64c8c67cb685a0c4b395c1adeaae634b7d875829dba38dc9ceeb0d05aa7def08e518beb955d8122087751fed6342ef4bf260682e74d37deec25fbe8ce3
SSDEEP 12288:w4nPzebkjeVSDMMEDp20FbOczk5WPiZc:wGebzVSM9DULsYc
MD5 SHA1 SHA512 SSDEEP

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memory/316-0-0x000000007507E000-0x000000007507F000-memory.dmp

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memory/316-1-0x0000000000D60000-0x0000000000DCA000-memory.dmp

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memory/316-2-0x0000000007BA0000-0x0000000007BE2000-memory.dmp

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memory/316-3-0x0000000005680000-0x00000000056A0000-memory.dmp

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memory/316-4-0x0000000075070000-0x0000000075820000-memory.dmp

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memory/316-5-0x0000000008200000-0x00000000087A4000-memory.dmp

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memory/316-6-0x0000000007D40000-0x0000000007DD2000-memory.dmp

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memory/316-9-0x000000007507E000-0x000000007507F000-memory.dmp

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memory/316-10-0x0000000075070000-0x0000000075820000-memory.dmp

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memory/316-12-0x0000000075070000-0x0000000075820000-memory.dmp

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memory/1724-17-0x0000000002FF0000-0x0000000003032000-memory.dmp

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memory/1724-18-0x0000000075070000-0x0000000075820000-memory.dmp

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memory/1724-19-0x0000000075070000-0x0000000075820000-memory.dmp

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memory/1724-20-0x0000000075070000-0x0000000075820000-memory.dmp

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memory/1724-22-0x0000000008900000-0x000000000890C000-memory.dmp

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memory/1724-23-0x0000000008C60000-0x0000000008CFC000-memory.dmp

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memory/1724-28-0x0000000075070000-0x0000000075820000-memory.dmp

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memory/1724-16-0x0000000075070000-0x0000000075820000-memory.dmp

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memory/2580-27-0x0000000000820000-0x0000000000858000-memory.dmp

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memory/2580-29-0x0000000004D50000-0x0000000004D5A000-memory.dmp

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memory/2580-32-0x00000000051D0000-0x00000000051DA000-memory.dmp

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memory/2580-33-0x0000000005230000-0x000000000524E000-memory.dmp

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memory/2580-34-0x0000000005C10000-0x0000000005C1A000-memory.dmp

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