nanocore | cf55dc00a205c92096ff43e29b0da6a3adca62b9a93fb84e30fd540e6f81a448

General

Target

db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
Size

1.9MB
MD5

db3be15aa5548ec4677cb11c41f4c7d2
SHA1

4194a0b51c544da8e8e09b4b8e291e3c6f3d18b9
SHA256

cf55dc00a205c92096ff43e29b0da6a3adca62b9a93fb84e30fd540e6f81a448
SHA512

3b310b800ddfa2c9b843f523b1162d4fc8842fdfde8a92dd6e824a56b262cee1498b42e7417633ff93749ac5c1b575e09488c9c0f94e2d403e9491d991768cf2
SSDEEP

6144:uI25BB7EAagGrw64daCcr4wU71r+eOdrjz5nGol:Vl

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

79.134.225.6:1212

Mutex

e6456746-0727-46dd-ad3f-daedf005468e

Attributes

activate_away_mode
true
backup_connection_host
79.134.225.6
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-11-06T13:51:53.653503436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1212
default_group
gg
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
e6456746-0727-46dd-ad3f-daedf005468e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
79.134.225.6
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

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\DOS Manager = "C:\\Program Files (x86)\\DOS Manager\\dosmgr.exe"	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.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	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 7 IoCs

pid	Process
1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1976 set thread context of 1528	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe	32

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DOS Manager\dosmgr.exe	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\DOS Manager\dosmgr.exe	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2800	1976	WerFault.exe	28

System Location Discovery: System Language Discovery 1 TTPs 4 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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2444	timeout.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
1528	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
1528	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
1528	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
1528	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
1528	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
1528	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1528	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
Token: SeDebugPrivilege	1528	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2540	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe	29
PID 1976 wrote to memory of 2540	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe	29
PID 1976 wrote to memory of 2540	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe	29
PID 1976 wrote to memory of 2540	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe	29
PID 2540 wrote to memory of 2444	2540	cmd.exe	31
PID 2540 wrote to memory of 2444	2540	cmd.exe	31
PID 2540 wrote to memory of 2444	2540	cmd.exe	31
PID 2540 wrote to memory of 2444	2540	cmd.exe	31
PID 1976 wrote to memory of 1528	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe	32
PID 1976 wrote to memory of 1528	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe	32
PID 1976 wrote to memory of 1528	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe	32
PID 1976 wrote to memory of 1528	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe	32
PID 1976 wrote to memory of 1528	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe	32
PID 1976 wrote to memory of 1528	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe	32
PID 1976 wrote to memory of 1528	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe	32
PID 1976 wrote to memory of 1528	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe	32
PID 1976 wrote to memory of 1528	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe	32
PID 1976 wrote to memory of 2800	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe	33
PID 1976 wrote to memory of 2800	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe	33
PID 1976 wrote to memory of 2800	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe	33
PID 1976 wrote to memory of 2800	1976	db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\timeout.exe
    timeout 1
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2444
- C:\Users\Admin\AppData\Local\Temp\db3be15aa5548ec4677cb11c41f4c7d2_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\db3be15aa5548ec4677cb11c41f4c7d2_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:1528
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 876
  2⤵
  - Program crash
  PID:2800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1528-10-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1528-27-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/1528-16-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1528-24-0x00000000005B0000-0x00000000005BA000-memory.dmp

Filesize
40KB

Download
memory/1528-4-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1528-18-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1528-14-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1528-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1528-23-0x0000000000600000-0x000000000061E000-memory.dmp

Filesize
120KB

Download
memory/1528-22-0x0000000000590000-0x000000000059A000-memory.dmp

Filesize
40KB

Download
memory/1528-6-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1528-8-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1528-19-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/1976-1-0x00000000010F0000-0x00000000012E6000-memory.dmp

Filesize
2.0MB

Download
memory/1976-2-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/1976-3-0x00000000003E0000-0x000000000042E000-memory.dmp

Filesize
312KB

Download
memory/1976-25-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download
memory/1976-26-0x0000000074BC0000-0x00000000752AE000-memory.dmp

Filesize
6.9MB

Download
memory/1976-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads