nanocore | 912c43b3def870c3b938842ac2e427bb1ba3b4739d98b9a98cec599d5b16f0f5

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
24/08/2024, 11:12

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General

Target

be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe
Size

372KB
MD5

be78648987cc8d8877fa28d0b436e680
SHA1

73f9667db9813f6ce815674cfc0538afc177eb24
SHA256

912c43b3def870c3b938842ac2e427bb1ba3b4739d98b9a98cec599d5b16f0f5
SHA512

eea1bb4a15454dda9c9e1c7633607ce6e5972855dfe8c0c978cc6c4355977c264ca9419949fbed6ff724985a4f38a0733f580dccea49380b953ca60c7020ed01
SSDEEP

6144:ipAM3kJo1QbtG8VQ3Rf9KDLgrtMQFD3DZSoAyA/GbEV6IPNkVwR+kyL0pPtP:gAM3ksl9RYcSQFDTZSe7Iv+J0

Score

10^/10

nanocore defense_evasion discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

185.84.181.89:6090

Mutex

a05fa7d1-a97c-4558-8581-157369e20df6

Attributes

activate_away_mode
true
backup_connection_host
185.84.181.89
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-09-10T10:17:40.066554436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6090
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
a05fa7d1-a97c-4558-8581-157369e20df6
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
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

Executes dropped EXE 1 IoCs

pid	Process
2356	tmp.exe

Loads dropped DLL 3 IoCs

pid	Process
2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe
2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe
2660	be78648987cc8d8877fa28d0b436e680_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\DSL Service = "C:\\Program Files (x86)\\DSL Service\\dslsv.exe"	tmp.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	tmp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2660 set thread context of 2748	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	34

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DSL Service\dslsv.exe	tmp.exe
File opened for modification	C:\Program Files (x86)\DSL Service\dslsv.exe	tmp.exe

Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

defense_evasion

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\FolderN\name.exe:Zone.Identifier	cmd.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 7 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	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2616	timeout.exe

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\FolderN\name.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe
2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe
2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe
2356	tmp.exe
2356	tmp.exe
2356	tmp.exe
2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2356	tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe
Token: SeDebugPrivilege	2356	tmp.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2716	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	30
PID 2660 wrote to memory of 2716	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	30
PID 2660 wrote to memory of 2716	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	30
PID 2660 wrote to memory of 2716	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	30
PID 2716 wrote to memory of 2760	2716	cmd.exe	32
PID 2716 wrote to memory of 2760	2716	cmd.exe	32
PID 2716 wrote to memory of 2760	2716	cmd.exe	32
PID 2716 wrote to memory of 2760	2716	cmd.exe	32
PID 2660 wrote to memory of 2356	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	33
PID 2660 wrote to memory of 2356	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	33
PID 2660 wrote to memory of 2356	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	33
PID 2660 wrote to memory of 2356	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	33
PID 2660 wrote to memory of 2748	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	34
PID 2660 wrote to memory of 2748	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	34
PID 2660 wrote to memory of 2748	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	34
PID 2660 wrote to memory of 2748	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	34
PID 2660 wrote to memory of 2748	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	34
PID 2660 wrote to memory of 2748	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	34
PID 2660 wrote to memory of 2748	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	34
PID 2660 wrote to memory of 2748	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	34
PID 2660 wrote to memory of 2748	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	34
PID 2660 wrote to memory of 2640	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	35
PID 2660 wrote to memory of 2640	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	35
PID 2660 wrote to memory of 2640	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	35
PID 2660 wrote to memory of 2640	2660	be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe	35
PID 2640 wrote to memory of 2616	2640	cmd.exe	37
PID 2640 wrote to memory of 2616	2640	cmd.exe	37
PID 2640 wrote to memory of 2616	2640	cmd.exe	37
PID 2640 wrote to memory of 2616	2640	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - Subvert Trust Controls: Mark-of-the-Web Bypass
  - System Location Discovery: System Language Discovery
  - NTFS ADS
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\FolderN\name.exe.lnk" /f
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2760
- C:\Users\Admin\AppData\Roaming\tmp.exe
  "C:\Users\Admin\AppData\Roaming\tmp.exe"
  2⤵
  - 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:2356
- C:\Users\Admin\AppData\Local\Temp\be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\be78648987cc8d8877fa28d0b436e680_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Roaming\FolderN\name.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2640
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 300
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2616

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

Subvert Trust Controls

T1553

SIP and Trust Provider Hijacking

T1553.003

Credential Access

Discovery

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\Roaming\FolderN\name.exe

Filesize
372KB

MD5
be78648987cc8d8877fa28d0b436e680

SHA1
73f9667db9813f6ce815674cfc0538afc177eb24

SHA256
912c43b3def870c3b938842ac2e427bb1ba3b4739d98b9a98cec599d5b16f0f5

SHA512
eea1bb4a15454dda9c9e1c7633607ce6e5972855dfe8c0c978cc6c4355977c264ca9419949fbed6ff724985a4f38a0733f580dccea49380b953ca60c7020ed01

Download Submit
C:\Users\Admin\AppData\Roaming\FolderN\name.exe.bat

Filesize
189B

MD5
dca86f6bec779bba1b58d992319e88db

SHA1
844e656d3603d15ae56f36298f8031ad52935829

SHA256
413b4ee68f5400fcd30ae5df957d723989b400637dbc7f5d158fa050bdc20743

SHA512
4b9d532a777921543b3243020ea4b655a8b956c400b237ce714b5bd8e9a3ad7fdbcb11410e84e2e0ecc45e87dcd107385a487f5bb5b359aabd1322314ef2d24c

Download Submit
\Users\Admin\AppData\Roaming\tmp.exe

Filesize
202KB

MD5
ef61ddda989f2e052586f759a252a95e

SHA1
fbe444902f753c69f125cfb18a584df1aa40c97c

SHA256
b40d3bf34d364853c63bb1caef39f9eb2915c41fee9aed0c6a8c1703823834a2

SHA512
b5bb7a013fc574648fbc76f4f42c26080844824eb0e32a09e6cc6cfc544ad80e07807377bc1fbfa78f64bce72af363f46eaeacafe629015650112a38273a74d7

Download Submit
memory/2356-48-0x0000000074000000-0x00000000745AB000-memory.dmp

Filesize
5.7MB

Download
memory/2356-33-0x0000000074000000-0x00000000745AB000-memory.dmp

Filesize
5.7MB

Download
memory/2356-34-0x0000000074000000-0x00000000745AB000-memory.dmp

Filesize
5.7MB

Download
memory/2356-32-0x0000000074000000-0x00000000745AB000-memory.dmp

Filesize
5.7MB

Download
memory/2356-46-0x0000000074000000-0x00000000745AB000-memory.dmp

Filesize
5.7MB

Download
memory/2660-2-0x0000000074000000-0x00000000745AB000-memory.dmp

Filesize
5.7MB

Download
memory/2660-1-0x0000000074000000-0x00000000745AB000-memory.dmp

Filesize
5.7MB

Download
memory/2660-0-0x0000000074001000-0x0000000074002000-memory.dmp

Filesize
4KB

Download
memory/2660-45-0x0000000074000000-0x00000000745AB000-memory.dmp

Filesize
5.7MB

Download
memory/2660-47-0x0000000074000000-0x00000000745AB000-memory.dmp

Filesize
5.7MB

Download
memory/2748-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2748-26-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2748-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2748-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2748-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2748-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2748-31-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2748-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download