nanocore | 0194b73382942a33d0aa2fcdcb40de137ce6d1b732ad852291dc26c60f291ea8

Analysis

max time kernel
118s
max time network
147s
platform
windows10_x64
resource
win10v200722
submitted
15/10/2020, 13:05

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General

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

Score

10^/10

evasion trojan keylogger stealer spyware nanocore persistence

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
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
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\IMAP Service = "C:\\Program Files (x86)\\IMAP Service\\imapsv.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 3740 set thread context of 3728	3740	DHL FILE 987634732.exe	78
PID 3728 set thread context of 3512	3728	DHL FILE 987634732.exe	84
PID 3728 set thread context of 2100	3728	DHL FILE 987634732.exe	85

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\IMAP Service\imapsv.exe	DHL FILE 987634732.exe
File opened for modification	C:\Program Files (x86)\IMAP Service\imapsv.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
2624	schtasks.exe
3720	schtasks.exe
208	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

pid	Process
3740	DHL FILE 987634732.exe
3740	DHL FILE 987634732.exe
3740	DHL FILE 987634732.exe
3740	DHL FILE 987634732.exe
3740	DHL FILE 987634732.exe
3728	DHL FILE 987634732.exe
3728	DHL FILE 987634732.exe
3728	DHL FILE 987634732.exe
3728	DHL FILE 987634732.exe
3728	DHL FILE 987634732.exe
3728	DHL FILE 987634732.exe
3728	DHL FILE 987634732.exe
3728	DHL FILE 987634732.exe
2100	vbc.exe
2100	vbc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3728	DHL FILE 987634732.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3740	DHL FILE 987634732.exe
Token: SeDebugPrivilege	3728	DHL FILE 987634732.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 3740 wrote to memory of 2624	3740	DHL FILE 987634732.exe	75
PID 3740 wrote to memory of 2624	3740	DHL FILE 987634732.exe	75
PID 3740 wrote to memory of 2624	3740	DHL FILE 987634732.exe	75
PID 3740 wrote to memory of 3408	3740	DHL FILE 987634732.exe	77
PID 3740 wrote to memory of 3408	3740	DHL FILE 987634732.exe	77
PID 3740 wrote to memory of 3408	3740	DHL FILE 987634732.exe	77
PID 3740 wrote to memory of 3728	3740	DHL FILE 987634732.exe	78
PID 3740 wrote to memory of 3728	3740	DHL FILE 987634732.exe	78
PID 3740 wrote to memory of 3728	3740	DHL FILE 987634732.exe	78
PID 3740 wrote to memory of 3728	3740	DHL FILE 987634732.exe	78
PID 3740 wrote to memory of 3728	3740	DHL FILE 987634732.exe	78
PID 3740 wrote to memory of 3728	3740	DHL FILE 987634732.exe	78
PID 3740 wrote to memory of 3728	3740	DHL FILE 987634732.exe	78
PID 3740 wrote to memory of 3728	3740	DHL FILE 987634732.exe	78
PID 3728 wrote to memory of 3720	3728	DHL FILE 987634732.exe	79
PID 3728 wrote to memory of 3720	3728	DHL FILE 987634732.exe	79
PID 3728 wrote to memory of 3720	3728	DHL FILE 987634732.exe	79
PID 3728 wrote to memory of 208	3728	DHL FILE 987634732.exe	81
PID 3728 wrote to memory of 208	3728	DHL FILE 987634732.exe	81
PID 3728 wrote to memory of 208	3728	DHL FILE 987634732.exe	81
PID 3728 wrote to memory of 1192	3728	DHL FILE 987634732.exe	83
PID 3728 wrote to memory of 1192	3728	DHL FILE 987634732.exe	83
PID 3728 wrote to memory of 1192	3728	DHL FILE 987634732.exe	83
PID 3728 wrote to memory of 3512	3728	DHL FILE 987634732.exe	84
PID 3728 wrote to memory of 3512	3728	DHL FILE 987634732.exe	84
PID 3728 wrote to memory of 3512	3728	DHL FILE 987634732.exe	84
PID 3728 wrote to memory of 3512	3728	DHL FILE 987634732.exe	84
PID 3728 wrote to memory of 3512	3728	DHL FILE 987634732.exe	84
PID 3728 wrote to memory of 3512	3728	DHL FILE 987634732.exe	84
PID 3728 wrote to memory of 3512	3728	DHL FILE 987634732.exe	84
PID 3728 wrote to memory of 3512	3728	DHL FILE 987634732.exe	84
PID 3728 wrote to memory of 3512	3728	DHL FILE 987634732.exe	84
PID 3728 wrote to memory of 2100	3728	DHL FILE 987634732.exe	85
PID 3728 wrote to memory of 2100	3728	DHL FILE 987634732.exe	85
PID 3728 wrote to memory of 2100	3728	DHL FILE 987634732.exe	85
PID 3728 wrote to memory of 2100	3728	DHL FILE 987634732.exe	85
PID 3728 wrote to memory of 2100	3728	DHL FILE 987634732.exe	85
PID 3728 wrote to memory of 2100	3728	DHL FILE 987634732.exe	85
PID 3728 wrote to memory of 2100	3728	DHL FILE 987634732.exe	85
PID 3728 wrote to memory of 2100	3728	DHL FILE 987634732.exe	85
PID 3728 wrote to memory of 2100	3728	DHL FILE 987634732.exe	85

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:3740
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lLzXOsDxtfSt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp446.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2624
- C:\Users\Admin\AppData\Local\Temp\DHL FILE 987634732.exe
  "{path}"
  2⤵
  PID:3408
- 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:3728
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "IMAP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp105C.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3720
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "IMAP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp10F9.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:208
- - \??\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\dhddqrsy.k4p"
    3⤵
    PID:1192
- - \??\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\dhddqrsy.k4p"
    3⤵
    PID:3512
- - \??\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\lkxiarfp.zlb"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:2100

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

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Downloads

memory/2100-48-0x0000000000400000-0x0000000000453000-memory.dmp

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memory/2100-46-0x0000000000400000-0x0000000000453000-memory.dmp

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memory/3512-42-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/3512-44-0x0000000000400000-0x000000000041B000-memory.dmp

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memory/3728-27-0x00000000057F0000-0x0000000005809000-memory.dmp

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memory/3728-35-0x0000000006E90000-0x0000000006E9D000-memory.dmp

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memory/3728-12-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/3728-26-0x00000000057E0000-0x00000000057E5000-memory.dmp

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memory/3728-41-0x0000000006FB0000-0x0000000006FB1000-memory.dmp

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memory/3728-28-0x00000000066A0000-0x00000000066A3000-memory.dmp

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memory/3728-29-0x00000000066B0000-0x00000000066BD000-memory.dmp

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memory/3728-30-0x00000000066C0000-0x00000000066D5000-memory.dmp

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memory/3728-31-0x0000000006E50000-0x0000000006E56000-memory.dmp

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memory/3728-32-0x0000000006E60000-0x0000000006E6C000-memory.dmp

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memory/3728-33-0x0000000006E70000-0x0000000006E77000-memory.dmp

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memory/3728-34-0x0000000006E80000-0x0000000006E86000-memory.dmp

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memory/3728-15-0x0000000073B90000-0x000000007427E000-memory.dmp

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memory/3728-36-0x0000000006EA0000-0x0000000006EA9000-memory.dmp

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memory/3728-37-0x0000000006EB0000-0x0000000006EBF000-memory.dmp

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memory/3728-38-0x0000000006ED0000-0x0000000006EDA000-memory.dmp

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memory/3728-39-0x0000000006EE0000-0x0000000006F09000-memory.dmp

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memory/3728-40-0x0000000006F20000-0x0000000006F2F000-memory.dmp

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memory/3740-0-0x0000000073B90000-0x000000007427E000-memory.dmp

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memory/3740-9-0x0000000009CE0000-0x0000000009D37000-memory.dmp

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memory/3740-8-0x00000000074B0000-0x000000000751A000-memory.dmp

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memory/3740-7-0x00000000051B0000-0x00000000051B4000-memory.dmp

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memory/3740-6-0x0000000007520000-0x0000000007521000-memory.dmp

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memory/3740-5-0x00000000050E0000-0x00000000050E1000-memory.dmp

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memory/3740-4-0x00000000051F0000-0x00000000051F1000-memory.dmp

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memory/3740-3-0x00000000056F0000-0x00000000056F1000-memory.dmp

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memory/3740-1-0x0000000000840000-0x0000000000841000-memory.dmp

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