nanocore | 7f8bdee09f7ad19ccf0e02479519ad9ce9a42a2adf1321d0f9c51b21a020e758

General

Target

Mehmood Khan.CV.exe
Size

369KB
MD5

f98ab1125e0263ed1605f5d9ccd6ccee
SHA1

56391f8225064d48438853a4f1c95befed4a6d76
SHA256

705d90649c0c2c0fe3c5939d2ec0309c3d0ec89c145b3e7da280e52a2361b588
SHA512

b2f7047514f175388846d547e617c4f9c5d20f575e9e2af0b48bc9866fde66054a071cb197a91b696fe267910331c44ece073061f62214e33ac72b4ea2232695
SSDEEP

6144:AL/ArCpGcROMjS26FoDPQQsgceHou4iprxJ44Ggdz0UNE7b6Q9cdnhVm:3Cp5RZjSADPQQsg7XTdZW70dnh

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

adikaremix.linkpc.net:1790

185.140.53.13:1790

Mutex

9493864b-27d9-4410-9dcc-9a0c4732a1d5

Attributes

activate_away_mode
true
backup_connection_host
185.140.53.13
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-03-21T11:14:38.887176036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1790
default_group
June@@
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
9493864b-27d9-4410-9dcc-9a0c4732a1d5
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
adikaremix.linkpc.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

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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	Mehmood Khan.CV.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\WAN Subsystem = "C:\\Program Files (x86)\\WAN Subsystem\\wanss.exe"	Mehmood Khan.CV.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	Mehmood Khan.CV.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4828 set thread context of 3436	4828	Mehmood Khan.CV.exe	99

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WAN Subsystem\wanss.exe	Mehmood Khan.CV.exe
File opened for modification	C:\Program Files (x86)\WAN Subsystem\wanss.exe	Mehmood Khan.CV.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Mehmood Khan.CV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Mehmood Khan.CV.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

pid	Process
1468	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4828	Mehmood Khan.CV.exe
4828	Mehmood Khan.CV.exe
3436	Mehmood Khan.CV.exe
3436	Mehmood Khan.CV.exe
3436	Mehmood Khan.CV.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3436	Mehmood Khan.CV.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4828	Mehmood Khan.CV.exe
Token: SeDebugPrivilege	3436	Mehmood Khan.CV.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 1468	4828	Mehmood Khan.CV.exe	96
PID 4828 wrote to memory of 1468	4828	Mehmood Khan.CV.exe	96
PID 4828 wrote to memory of 1468	4828	Mehmood Khan.CV.exe	96
PID 4828 wrote to memory of 4664	4828	Mehmood Khan.CV.exe	98
PID 4828 wrote to memory of 4664	4828	Mehmood Khan.CV.exe	98
PID 4828 wrote to memory of 4664	4828	Mehmood Khan.CV.exe	98
PID 4828 wrote to memory of 3436	4828	Mehmood Khan.CV.exe	99
PID 4828 wrote to memory of 3436	4828	Mehmood Khan.CV.exe	99
PID 4828 wrote to memory of 3436	4828	Mehmood Khan.CV.exe	99
PID 4828 wrote to memory of 3436	4828	Mehmood Khan.CV.exe	99
PID 4828 wrote to memory of 3436	4828	Mehmood Khan.CV.exe	99
PID 4828 wrote to memory of 3436	4828	Mehmood Khan.CV.exe	99
PID 4828 wrote to memory of 3436	4828	Mehmood Khan.CV.exe	99
PID 4828 wrote to memory of 3436	4828	Mehmood Khan.CV.exe	99

C:\Users\Admin\AppData\Local\Temp\Mehmood Khan.CV.exe
"C:\Users\Admin\AppData\Local\Temp\Mehmood Khan.CV.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:4828
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\argsutBHAVIreG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEFFD.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1468
- C:\Users\Admin\AppData\Local\Temp\Mehmood Khan.CV.exe
  "{path}"
  2⤵
  PID:4664
- C:\Users\Admin\AppData\Local\Temp\Mehmood Khan.CV.exe
  "{path}"
  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:3436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Mehmood Khan.CV.exe.log

Filesize
408B

MD5
8adbb2cb7759fdcbc51cfbf0bfd7c867

SHA1
f7549e6ea430e7d64b3afb3fc27c77ed5122f85b

SHA256
c67092561e4b1472672374c3439004e2bc0191d9a901cde2b8b69a2d34dc6297

SHA512
f465311e884dd82e3152959b6a59ac8d6be0a056a1cfddabbcc6714079a2269cd5c09b2b8fbc87a9ec3323c531383526ae19ef24fed100dec80730fae0d79991

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

Filesize
1KB

MD5
e2e4aeaaf5aa7e980d0f2fbe72af1048

SHA1
374938b48607f2333d8213ce9a57c3146b4376a2

SHA256
124ed9eba4672e9804e17c166c5fbf1fd6b86576dbb23359b3386987d0aec11d

SHA512
656eda95c989ba40967b238b1174be97051bf2a65240a98c28c36e896f0f71891eff443591860a03d5f90afeb2b1180a03de35c37bb1e7877930d9643e71631d

Download Submit
memory/3436-19-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/3436-18-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/3436-16-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/3436-13-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/3436-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4828-3-0x0000000074652000-0x0000000074653000-memory.dmp

Filesize
4KB

Download
memory/4828-4-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/4828-14-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/4828-0-0x0000000074652000-0x0000000074653000-memory.dmp

Filesize
4KB

Download
memory/4828-2-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download
memory/4828-1-0x0000000074650000-0x0000000074C01000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads