nanocore | 155f0bd1a6d92bf811c5157707eec4780d4b17cf6fb1166200a9d1ab9b93da48

Analysis

max time kernel
150s
max time network
148s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
29-09-2024 16:26

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General

Target

fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
Size

291KB
MD5

fee9cf8ec3de16009f0ffecdb2a8a831
SHA1

93af1af6f4d7ba623f03892032a805a099e2ab3c
SHA256

155f0bd1a6d92bf811c5157707eec4780d4b17cf6fb1166200a9d1ab9b93da48
SHA512

70e7e5b0810df304774d547d14546b13dfea0e4a69775589ec1d9727868e0dba9db76948749274ebfd11551465ec6a432edc77ead4111f713abc10fb713f6e66
SSDEEP

6144:/FVFmmoBy8TCukZw8db2cETk0MmsN6798y89xih5Mp:9mhy8TCukZJ2cETkAs2jU

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

netserv.serveftp.com:55128

176.31.174.37:55128

Mutex

4b736bf9-5142-40fe-ab51-5c64053db0ff

Attributes

activate_away_mode
true
backup_connection_host
176.31.174.37
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2015-04-03T18:30:02.293302936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
55128
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
4b736bf9-5142-40fe-ab51-5c64053db0ff
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
netserv.serveftp.com
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

Processes:

sql_support.exe

pid	Process
2812	sql_support.exe

Loads dropped DLL 2 IoCs

Processes:

fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe

pid	Process
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exeRegAsm.exesql_support.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Net Display = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Bit57\\ndmgr.exe"	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\PCI Manager = "C:\\Program Files (x86)\\PCI Manager\\pcimgr.exe"	RegAsm.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\Net Display = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Bit57\\ndmgr.exe"	sql_support.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

RegAsm.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2640 set thread context of 2704	2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe	30

Drops file in Program Files directory 2 IoCs

Processes:

RegAsm.exe

description	ioc	Process
File created	C:\Program Files (x86)\PCI Manager\pcimgr.exe	RegAsm.exe
File opened for modification	C:\Program Files (x86)\PCI Manager\pcimgr.exe	RegAsm.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 3 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:

RegAsm.exesql_support.exefee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sql_support.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exeRegAsm.exesql_support.exe

pid	Process
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2704	RegAsm.exe
2704	RegAsm.exe
2704	RegAsm.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2812	sql_support.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
2812	sql_support.exe
2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegAsm.exe

pid	Process
2704	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exeRegAsm.exesql_support.exe

description	pid	Process
Token: SeDebugPrivilege	2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
Token: SeDebugPrivilege	2704	RegAsm.exe
Token: SeDebugPrivilege	2812	sql_support.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2640 wrote to memory of 2704	2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2704	2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2704	2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2704	2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2704	2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2704	2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2704	2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2704	2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2704	2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2704	2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2704	2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2704	2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe	30
PID 2640 wrote to memory of 2812	2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe	31
PID 2640 wrote to memory of 2812	2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe	31
PID 2640 wrote to memory of 2812	2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe	31
PID 2640 wrote to memory of 2812	2640	fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fee9cf8ec3de16009f0ffecdb2a8a831_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.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:2704
- C:\Users\Admin\AppData\Local\Temp\sql_support.exe
  "C:\Users\Admin\AppData\Local\Temp\sql_support.exe" -woohoo 2704 C:\Users\Admin\AppData\Local\Temp\ndmgr.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2812

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
5bc227dc5f868b8bbbae794cc618a699

SHA1
9b66d58542b202f8a8fa2dd0d6563df0281e2516

SHA256
1d31db5a44602b3e7306a6bd0aff258b738c230d41e4942d9cffc83682539a51

SHA512
2e9d4cc2a0b180290b521a21eca28a533adbbe9698b6ad39c9aba23b4718064bbc32dccb8d922c232c306a34dce441131d24df5a6aa71568137610700bb5c509

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab2730.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
\Users\Admin\AppData\Local\Temp\sql_support.exe

Filesize
291KB

MD5
fee9cf8ec3de16009f0ffecdb2a8a831

SHA1
93af1af6f4d7ba623f03892032a805a099e2ab3c

SHA256
155f0bd1a6d92bf811c5157707eec4780d4b17cf6fb1166200a9d1ab9b93da48

SHA512
70e7e5b0810df304774d547d14546b13dfea0e4a69775589ec1d9727868e0dba9db76948749274ebfd11551465ec6a432edc77ead4111f713abc10fb713f6e66

Download Submit
memory/2640-1-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-2-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-57-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-15-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-0-0x0000000074A91000-0x0000000074A92000-memory.dmp

Filesize
4KB

Download
memory/2640-56-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/2640-55-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/2704-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2704-34-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/2704-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2704-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2704-18-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2704-30-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2704-32-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2704-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2704-58-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download