nanocore | e34ce3660cbabe945aadb571016cbd7e73ca4a7baa6e9cd64a3615b6474ccdc8

Analysis

max time kernel
121s
max time network
154s
platform
windows10_x64
resource
win10
submitted
13/08/2020, 06:56

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General

Target
Purchase_order.exe
Size 1.0MB
Sample200813-416spthmxn
SHA256 e34ce3660cbabe945aadb571016cbd7e73ca4a7baa6e9cd64a3615b6474ccdc8
MD5 cf7ca3b7c11031ccd34d3739a2a6f422
SHA1 21fcb8da1ab978ba63405ed8277d3ade883911db
SHA512 08d40c1e026dbfed629196059cb2e02127fae50aca324499d3847b06b76c06596a8a4145c397005ad7d5f7b95cd6ff63d54f629475a659c747a3af3b4fe34917
MD5 SHA1 SHA512

Score

10^/10

persistence keylogger trojan stealer spyware nanocore evasion

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

johnsuccess18.ddns.net:52943
185.165.153.114:52943

Mutex

3eef67cf-2a81-4f6a-9cc7-9d9c5da488d3

Attributes

activate_away_mode
false
backup_connection_host
185.165.153.114
backup_dns_server
buffer_size
65538
build_time
2020-05-24T10:56:48.791535636Z
bypass_user_account_control
false
bypass_user_account_control_data
PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTE2Ij8+DQo8VGFzayB2ZXJzaW9uPSIxLjIiIHhtbG5zPSJodHRwOi8vc2NoZW1hcy5taWNyb3NvZnQuY29tL3dpbmRvd3MvMjAwNC8wMi9taXQvdGFzayI+DQogIDxSZWdpc3RyYXRpb25JbmZvIC8+DQogIDxUcmlnZ2VycyAvPg0KICA8UHJpbmNpcGFscz4NCiAgICA8UHJpbmNpcGFsIGlkPSJBdXRob3IiPg0KICAgICAgPExvZ29uVHlwZT5JbnRlcmFjdGl2ZVRva2VuPC9Mb2dvblR5cGU+DQogICAgICA8UnVuTGV2ZWw+SGlnaGVzdEF2YWlsYWJsZTwvUnVuTGV2ZWw+DQogICAgPC9QcmluY2lwYWw+DQogIDwvUHJpbmNpcGFscz4NCiAgPFNldHRpbmdzPg0KICAgIDxNdWx0aXBsZUluc3RhbmNlc1BvbGljeT5QYXJhbGxlbDwvTXVsdGlwbGVJbnN0YW5jZXNQb2xpY3k+DQogICAgPERpc2FsbG93U3RhcnRJZk9uQmF0dGVyaWVzPmZhbHNlPC9EaXNhbGxvd1N0YXJ0SWZPbkJhdHRlcmllcz4NCiAgICA8U3RvcElmR29pbmdPbkJhdHRlcmllcz5mYWxzZTwvU3RvcElmR29pbmdPbkJhdHRlcmllcz4NCiAgICA8QWxsb3dIYXJkVGVybWluYXRlPnRydWU8L0FsbG93SGFyZFRlcm1pbmF0ZT4NCiAgICA8U3RhcnRXaGVuQXZhaWxhYmxlPmZhbHNlPC9TdGFydFdoZW5BdmFpbGFibGU+DQogICAgPFJ1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+ZmFsc2U8L1J1bk9ubHlJZk5ldHdvcmtBdmFpbGFibGU+DQogICAgPElkbGVTZXR0aW5ncz4NCiAgICAgIDxTdG9wT25JZGxlRW5kPmZhbHNlPC9TdG9wT25JZGxlRW5kPg0KICAgICAgPFJlc3RhcnRPbklkbGU+ZmFsc2U8L1Jlc3RhcnRPbklkbGU+DQogICAgPC9JZGxlU2V0dGluZ3M+DQogICAgPEFsbG93U3RhcnRPbkRlbWFuZD50cnVlPC9BbGxvd1N0YXJ0T25EZW1hbmQ+DQogICAgPEVuYWJsZWQ+dHJ1ZTwvRW5hYmxlZD4NCiAgICA8SGlkZGVuPmZhbHNlPC9IaWRkZW4+DQogICAgPFJ1bk9ubHlJZklkbGU+ZmFsc2U8L1J1bk9ubHlJZklkbGU+DQogICAgPFdha2VUb1J1bj5mYWxzZTwvV2FrZVRvUnVuPg0KICAgIDxFeGVjdXRpb25UaW1lTGltaXQ+UFQwUzwvRXhlY3V0aW9uVGltZUxpbWl0Pg0KICAgIDxQcmlvcml0eT40PC9Qcmlvcml0eT4NCiAgPC9TZXR0aW5ncz4NCiAgPEFjdGlvbnMgQ29udGV4dD0iQXV0aG9yIj4NCiAgICA8RXhlYz4NCiAgICAgIDxDb21tYW5kPiIjRVhFQ1VUQUJMRVBBVEgiPC9Db21tYW5kPg0KICAgICAgPEFyZ3VtZW50cz4kKEFyZzApPC9Bcmd1bWVudHM+DQogICAgPC9FeGVjPg0KICA8L0FjdGlvbnM+DQo8L1Rhc2s+
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
52943
default_group
Dope
enable_debug_mode
true
gc_threshold
1.0485772e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.0485772e+07
mutex
3eef67cf-2a81-4f6a-9cc7-9d9c5da488d3
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
johnsuccess18.ddns.net
primary_dns_server
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8009

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Disables Task Manager via registry modification
evasion

Executes dropped EXE 1 IoCs

pid	Process
3824	kajmghk.pif

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	kajmghk.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\89481985\\kajmghk.pif C:\\Users\\Admin\\AppData\\Roaming\\89481985\\QDRWDH~1.DCL"	kajmghk.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Subsystem = "C:\\Program Files (x86)\\DDP Subsystem\\ddpss.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3824 set thread context of 488	3824	kajmghk.pif	76

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DDP Subsystem\ddpss.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\DDP Subsystem\ddpss.exe	RegSvcs.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1268	schtasks.exe
1516	schtasks.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
3824	kajmghk.pif
3824	kajmghk.pif
3824	kajmghk.pif
3824	kajmghk.pif
3824	kajmghk.pif
3824	kajmghk.pif
3824	kajmghk.pif
3824	kajmghk.pif
3824	kajmghk.pif
3824	kajmghk.pif
3824	kajmghk.pif
3824	kajmghk.pif
3824	kajmghk.pif
3824	kajmghk.pif
488	RegSvcs.exe
488	RegSvcs.exe
488	RegSvcs.exe
488	RegSvcs.exe
488	RegSvcs.exe
488	RegSvcs.exe
488	RegSvcs.exe
488	RegSvcs.exe
488	RegSvcs.exe
488	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
488	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	488	RegSvcs.exe
Token: SeDebugPrivilege	488	RegSvcs.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 3720 wrote to memory of 3824	3720	Purchase_order.exe	67
PID 3720 wrote to memory of 3824	3720	Purchase_order.exe	67
PID 3720 wrote to memory of 3824	3720	Purchase_order.exe	67
PID 3824 wrote to memory of 3352	3824	kajmghk.pif	69
PID 3824 wrote to memory of 3352	3824	kajmghk.pif	69
PID 3824 wrote to memory of 3352	3824	kajmghk.pif	69
PID 3824 wrote to memory of 1692	3824	kajmghk.pif	70
PID 3824 wrote to memory of 1692	3824	kajmghk.pif	70
PID 3824 wrote to memory of 1692	3824	kajmghk.pif	70
PID 3824 wrote to memory of 2900	3824	kajmghk.pif	71
PID 3824 wrote to memory of 2900	3824	kajmghk.pif	71
PID 3824 wrote to memory of 2900	3824	kajmghk.pif	71
PID 3824 wrote to memory of 2980	3824	kajmghk.pif	72
PID 3824 wrote to memory of 2980	3824	kajmghk.pif	72
PID 3824 wrote to memory of 2980	3824	kajmghk.pif	72
PID 3824 wrote to memory of 3028	3824	kajmghk.pif	73
PID 3824 wrote to memory of 3028	3824	kajmghk.pif	73
PID 3824 wrote to memory of 3028	3824	kajmghk.pif	73
PID 3824 wrote to memory of 640	3824	kajmghk.pif	74
PID 3824 wrote to memory of 640	3824	kajmghk.pif	74
PID 3824 wrote to memory of 640	3824	kajmghk.pif	74
PID 3824 wrote to memory of 864	3824	kajmghk.pif	75
PID 3824 wrote to memory of 864	3824	kajmghk.pif	75
PID 3824 wrote to memory of 864	3824	kajmghk.pif	75
PID 3824 wrote to memory of 488	3824	kajmghk.pif	76
PID 3824 wrote to memory of 488	3824	kajmghk.pif	76
PID 3824 wrote to memory of 488	3824	kajmghk.pif	76
PID 3824 wrote to memory of 488	3824	kajmghk.pif	76
PID 3824 wrote to memory of 488	3824	kajmghk.pif	76
PID 488 wrote to memory of 1268	488	RegSvcs.exe	77
PID 488 wrote to memory of 1268	488	RegSvcs.exe	77
PID 488 wrote to memory of 1268	488	RegSvcs.exe	77
PID 488 wrote to memory of 1516	488	RegSvcs.exe	79
PID 488 wrote to memory of 1516	488	RegSvcs.exe	79
PID 488 wrote to memory of 1516	488	RegSvcs.exe	79

C:\Users\Admin\AppData\Local\Temp\Purchase_order.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase_order.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3720
- C:\Users\Admin\AppData\Roaming\89481985\kajmghk.pif
  "C:\Users\Admin\AppData\Roaming\89481985\kajmghk.pif" qdrwdhesw.dcl
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3824
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:3352
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:1692
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:2900
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:2980
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:3028
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:640
- - C:\Windows\SysWOW64\mshta.exe
    "C:\Windows\SysWOW64\mshta.exe"
    3⤵
    PID:864
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Adds Run key to start application
    - Drops file in Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:488
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB2B1.tmp"
      4⤵
      Creates scheduled task(s)
      PID:1268
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB32F.tmp"
      4⤵
      Creates scheduled task(s)
      PID:1516

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/488-19-0x0000000005A20000-0x0000000005A21000-memory.dmp

Download

memory/488-22-0x00000000053B0000-0x00000000053B1000-memory.dmp

Download

memory/488-41-0x0000000006B00000-0x0000000006B29000-memory.dmp

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memory/488-40-0x0000000006AE0000-0x0000000006AEA000-memory.dmp

Download

memory/488-39-0x0000000006AC0000-0x0000000006ACF000-memory.dmp

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memory/488-35-0x0000000006A80000-0x0000000006A87000-memory.dmp

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memory/488-34-0x0000000006A70000-0x0000000006A7C000-memory.dmp

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memory/488-14-0x0000000000700000-0x0000000000D8B000-memory.dmp

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memory/488-16-0x0000000072C10000-0x00000000732FE000-memory.dmp

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memory/488-36-0x0000000006A90000-0x0000000006A96000-memory.dmp

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memory/488-20-0x00000000053D0000-0x00000000053D1000-memory.dmp

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memory/488-21-0x0000000005520000-0x0000000005521000-memory.dmp

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memory/488-42-0x0000000006B30000-0x0000000006B3F000-memory.dmp

Download

memory/488-38-0x0000000006AB0000-0x0000000006AB9000-memory.dmp

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memory/488-43-0x0000000006D30000-0x0000000006D31000-memory.dmp

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memory/488-37-0x0000000006AA0000-0x0000000006AAD000-memory.dmp

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memory/488-44-0x0000000006CE0000-0x0000000006CEA000-memory.dmp

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memory/488-27-0x00000000054D0000-0x00000000054D5000-memory.dmp

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memory/488-28-0x00000000054F0000-0x00000000054F6000-memory.dmp

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memory/488-29-0x0000000005A00000-0x0000000005A19000-memory.dmp

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memory/488-30-0x00000000064F0000-0x00000000064F3000-memory.dmp

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memory/488-31-0x0000000006A10000-0x0000000006A1D000-memory.dmp

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memory/488-32-0x0000000006A20000-0x0000000006A35000-memory.dmp

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memory/488-33-0x0000000006A60000-0x0000000006A66000-memory.dmp

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memory/3824-4-0x00000000726A0000-0x0000000072733000-memory.dmp

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