nanocore | 0194b73382942a33d0aa2fcdcb40de137ce6d1b732ad852291dc26c60f291ea8

Analysis

max time kernel
89s
max time network
149s
platform
windows7_x64
resource
win7
submitted
15/10/2020, 13:05

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
DHL FILE 987634732.exe
Size 478KB
Sample201015-8swvlw7va2
SHA256 0194b73382942a33d0aa2fcdcb40de137ce6d1b732ad852291dc26c60f291ea8
MD5 e0baf9bdf0dad14ad47cc9925d9dec54
SHA1 f9e779ee047619c7c7e04bd3b093ef1d1e3fb11f
SHA512 ac1662c5149898cd27edc0a39934e37af5745666ef5101502f2dbef4587c38fb1b0d0f3510fa3af1b292eddef339abc8cb86816f7df0d2ab0a03c304417ea97d
MD5 SHA1 SHA512

Score

10^/10

keylogger trojan stealer spyware nanocore persistence evasion

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

officezafar.hopto.org:3575
79.134.225.105:3575

Mutex

17ed2ecc-19c1-4166-a120-f72b1c29d26a

Attributes

activate_away_mode
true
backup_connection_host
79.134.225.105
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-07-27T07:55:29.250662936Z
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
true
clear_zone_identifier
false
connect_delay
4000
connection_port
3575
default_group
koko
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
17ed2ecc-19c1-4166-a120-f72b1c29d26a
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
officezafar.hopto.org
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
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

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"	DHL FILE 987634732.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	DHL FILE 987634732.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1140 set thread context of 1972	1140	DHL FILE 987634732.exe	30
PID 1972 set thread context of 344	1972	DHL FILE 987634732.exe	35
PID 1972 set thread context of 2032	1972	DHL FILE 987634732.exe	36

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WAN Subsystem\wanss.exe	DHL FILE 987634732.exe
File opened for modification	C:\Program Files (x86)\WAN Subsystem\wanss.exe	DHL FILE 987634732.exe

Creates scheduled task(s) 1 TTPs 3 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
2044	schtasks.exe
328	schtasks.exe
1924	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1140	DHL FILE 987634732.exe
1140	DHL FILE 987634732.exe
1972	DHL FILE 987634732.exe
1972	DHL FILE 987634732.exe
1972	DHL FILE 987634732.exe
1972	DHL FILE 987634732.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1972	DHL FILE 987634732.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1140	DHL FILE 987634732.exe
Token: SeDebugPrivilege	1972	DHL FILE 987634732.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 1924	1140	DHL FILE 987634732.exe	28
PID 1140 wrote to memory of 1924	1140	DHL FILE 987634732.exe	28
PID 1140 wrote to memory of 1924	1140	DHL FILE 987634732.exe	28
PID 1140 wrote to memory of 1924	1140	DHL FILE 987634732.exe	28
PID 1140 wrote to memory of 1972	1140	DHL FILE 987634732.exe	30
PID 1140 wrote to memory of 1972	1140	DHL FILE 987634732.exe	30
PID 1140 wrote to memory of 1972	1140	DHL FILE 987634732.exe	30
PID 1140 wrote to memory of 1972	1140	DHL FILE 987634732.exe	30
PID 1140 wrote to memory of 1972	1140	DHL FILE 987634732.exe	30
PID 1140 wrote to memory of 1972	1140	DHL FILE 987634732.exe	30
PID 1140 wrote to memory of 1972	1140	DHL FILE 987634732.exe	30
PID 1140 wrote to memory of 1972	1140	DHL FILE 987634732.exe	30
PID 1140 wrote to memory of 1972	1140	DHL FILE 987634732.exe	30
PID 1972 wrote to memory of 2044	1972	DHL FILE 987634732.exe	31
PID 1972 wrote to memory of 2044	1972	DHL FILE 987634732.exe	31
PID 1972 wrote to memory of 2044	1972	DHL FILE 987634732.exe	31
PID 1972 wrote to memory of 2044	1972	DHL FILE 987634732.exe	31
PID 1972 wrote to memory of 328	1972	DHL FILE 987634732.exe	33
PID 1972 wrote to memory of 328	1972	DHL FILE 987634732.exe	33
PID 1972 wrote to memory of 328	1972	DHL FILE 987634732.exe	33
PID 1972 wrote to memory of 328	1972	DHL FILE 987634732.exe	33
PID 1972 wrote to memory of 344	1972	DHL FILE 987634732.exe	35
PID 1972 wrote to memory of 344	1972	DHL FILE 987634732.exe	35
PID 1972 wrote to memory of 344	1972	DHL FILE 987634732.exe	35
PID 1972 wrote to memory of 344	1972	DHL FILE 987634732.exe	35
PID 1972 wrote to memory of 344	1972	DHL FILE 987634732.exe	35
PID 1972 wrote to memory of 344	1972	DHL FILE 987634732.exe	35
PID 1972 wrote to memory of 344	1972	DHL FILE 987634732.exe	35
PID 1972 wrote to memory of 344	1972	DHL FILE 987634732.exe	35
PID 1972 wrote to memory of 344	1972	DHL FILE 987634732.exe	35
PID 1972 wrote to memory of 344	1972	DHL FILE 987634732.exe	35
PID 1972 wrote to memory of 2032	1972	DHL FILE 987634732.exe	36
PID 1972 wrote to memory of 2032	1972	DHL FILE 987634732.exe	36
PID 1972 wrote to memory of 2032	1972	DHL FILE 987634732.exe	36
PID 1972 wrote to memory of 2032	1972	DHL FILE 987634732.exe	36
PID 1972 wrote to memory of 2032	1972	DHL FILE 987634732.exe	36
PID 1972 wrote to memory of 2032	1972	DHL FILE 987634732.exe	36
PID 1972 wrote to memory of 2032	1972	DHL FILE 987634732.exe	36
PID 1972 wrote to memory of 2032	1972	DHL FILE 987634732.exe	36
PID 1972 wrote to memory of 2032	1972	DHL FILE 987634732.exe	36
PID 1972 wrote to memory of 2032	1972	DHL FILE 987634732.exe	36

C:\Users\Admin\AppData\Local\Temp\DHL FILE 987634732.exe
"C:\Users\Admin\AppData\Local\Temp\DHL FILE 987634732.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lLzXOsDxtfSt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC62C.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1924
- C:\Users\Admin\AppData\Local\Temp\DHL FILE 987634732.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Suspicious use of SetThreadContext
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1972
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WAN Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCC15.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2044
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WAN Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCC93.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:328
- - \??\c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe
    "c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\klmgguif.bg5"
    3⤵
    PID:344
- - \??\c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe
    "c:\windows\microsoft.net\framework\v4.0.30319\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\p214s1mb.cho"
    3⤵
    PID:2032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Scripting

T1064

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/344-36-0x0000000000400000-0x000000000041B000-memory.dmp

Download

memory/344-34-0x0000000000400000-0x000000000041B000-memory.dmp

Download

memory/1140-5-0x0000000005690000-0x00000000056E7000-memory.dmp

Download

memory/1140-4-0x0000000005620000-0x000000000568A000-memory.dmp

Download

memory/1140-0-0x00000000744A0000-0x0000000074B8E000-memory.dmp

Download

memory/1140-3-0x0000000000360000-0x0000000000364000-memory.dmp

Download

memory/1140-1-0x0000000000B50000-0x0000000000B51000-memory.dmp

Download

memory/1972-21-0x00000000003F0000-0x00000000003F3000-memory.dmp

Download

memory/1972-29-0x00000000020C0000-0x00000000020C9000-memory.dmp

Download

memory/1972-20-0x0000000000460000-0x0000000000479000-memory.dmp

Download

memory/1972-8-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/1972-22-0x00000000004C0000-0x00000000004CD000-memory.dmp

Download

memory/1972-23-0x00000000004D0000-0x00000000004E5000-memory.dmp

Download

memory/1972-24-0x0000000000580000-0x0000000000586000-memory.dmp

Download

memory/1972-25-0x00000000005B0000-0x00000000005BC000-memory.dmp

Download

memory/1972-26-0x00000000005C0000-0x00000000005C7000-memory.dmp

Download

memory/1972-27-0x0000000000A70000-0x0000000000A76000-memory.dmp

Download

memory/1972-28-0x00000000020B0000-0x00000000020BD000-memory.dmp

Download

memory/1972-19-0x0000000000240000-0x0000000000245000-memory.dmp

Download

memory/1972-30-0x0000000002110000-0x000000000211F000-memory.dmp

Download

memory/1972-31-0x0000000002120000-0x000000000212A000-memory.dmp

Download

memory/1972-32-0x00000000047B0000-0x00000000047D9000-memory.dmp

Download

memory/1972-33-0x0000000002230000-0x000000000223F000-memory.dmp

Download

memory/1972-12-0x0000000074420000-0x0000000074B0E000-memory.dmp

Download

memory/1972-11-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/1972-10-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/2032-38-0x0000000000400000-0x0000000000453000-memory.dmp

Download

memory/2032-40-0x0000000000400000-0x0000000000453000-memory.dmp

Download