nanocore | a509158e1105757bec0ff3f7dd621360d0acb1f17271841c19dab776004cd17e

Analysis

max time kernel
99s
max time network
153s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
07/10/2022, 15:56

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General

Target
Payment Advice.exe
Size 906KB
Sample221007-tdcdladadq
SHA256 a509158e1105757bec0ff3f7dd621360d0acb1f17271841c19dab776004cd17e
MD5 98207b03cb218b008c1fa9fa47867490
SHA1 3779274912bd5f967ef329b7c26aa2a22e0b5d87
SHA512 feca3df0b7c5c25167cc38a9aea2fff88961f1aed034a9102dfcdeea24891f2354587bae8b0e88093f83ee652592d11ec2d9c9f1b8987573f09d0cba40284590
SSDEEP 12288:YhTRA7rkUGV1PyVrB33l4epM3dX5xKeY3Zo7hypcXHADqjJ5nX:YAPGnPmWeEOeKo7sp+vjrX
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

brewsterchristophe.ddns.net:5899
194,147,5,75:5899

Mutex

b8aebc29-8c64-444f-99e6-dc4122e9bbfc

Attributes

activate_away_mode
true
backup_connection_host
194,147,5,75
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-04-29T03:26:40.572298236Z
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
5899
default_group
Default
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
b8aebc29-8c64-444f-99e6-dc4122e9bbfc
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
brewsterchristophe.ddns.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

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\SCSI Service = "C:\\Program Files (x86)\\SCSI Service\\scsisvc.exe"	Payment Advice.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	Payment Advice.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 780 set thread context of 1996	780	Payment Advice.exe	30

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SCSI Service\scsisvc.exe	Payment Advice.exe
File opened for modification	C:\Program Files (x86)\SCSI Service\scsisvc.exe	Payment Advice.exe

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

System Information Discovery
T1082

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
268	schtasks.exe
624	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1996	Payment Advice.exe
1996	Payment Advice.exe
1996	Payment Advice.exe
1996	Payment Advice.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1996	Payment Advice.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1996	Payment Advice.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 780 wrote to memory of 2044	780	Payment Advice.exe	28
PID 780 wrote to memory of 2044	780	Payment Advice.exe	28
PID 780 wrote to memory of 2044	780	Payment Advice.exe	28
PID 780 wrote to memory of 2044	780	Payment Advice.exe	28
PID 780 wrote to memory of 1996	780	Payment Advice.exe	30
PID 780 wrote to memory of 1996	780	Payment Advice.exe	30
PID 780 wrote to memory of 1996	780	Payment Advice.exe	30
PID 780 wrote to memory of 1996	780	Payment Advice.exe	30
PID 780 wrote to memory of 1996	780	Payment Advice.exe	30
PID 780 wrote to memory of 1996	780	Payment Advice.exe	30
PID 780 wrote to memory of 1996	780	Payment Advice.exe	30
PID 780 wrote to memory of 1996	780	Payment Advice.exe	30
PID 780 wrote to memory of 1996	780	Payment Advice.exe	30
PID 1996 wrote to memory of 268	1996	Payment Advice.exe	31
PID 1996 wrote to memory of 268	1996	Payment Advice.exe	31
PID 1996 wrote to memory of 268	1996	Payment Advice.exe	31
PID 1996 wrote to memory of 268	1996	Payment Advice.exe	31
PID 1996 wrote to memory of 624	1996	Payment Advice.exe	33
PID 1996 wrote to memory of 624	1996	Payment Advice.exe	33
PID 1996 wrote to memory of 624	1996	Payment Advice.exe	33
PID 1996 wrote to memory of 624	1996	Payment Advice.exe	33

C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:780
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wnbXfAlAOlj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC350.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2044
- C:\Users\Admin\AppData\Local\Temp\Payment Advice.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1996
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC85F.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:268
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC959.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:624

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmpC350.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpC350.tmp
Size 1KB
SHA256 70daca1447b97479ebe33ba9fc113bc9f1afebf36dbf3becf5adbe63239d7599
MD5 7b648318ce9094842963b817d7b21749
SHA1 e8dadff5976cc1f0fdb3f23e1b7dc5cd028afe56
SHA512 2ae53c4758ac4346b17307bdfafce20c5fc0acb741caee25894866145713e2a6c0d476ef16e76fb3314487c7af1ee1fc1afe2a63a7cce81b6e4519ee29557a41
MD5 SHA1 SHA512

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tmpC85F.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpC85F.tmp
Size 1KB
SHA256 e196fc51e235fc106b72fe4258ce43c64b24b344c4781b6d2b0db6ab01f31c34
MD5 458bd9bd481646fa69a54d107e96c8f9
SHA1 8c13631b59db1efcb6d33a4e40ba38614226d42a
SHA512 266e4a2752ff6a1c78fad600d9dc74ed0946a7bfc6802bd03783360b7f5ce8ada8be0fbf0f342e81d76f74af62879ffbf2b865160e4b8d0a27c6e15f98f92171
MD5 SHA1 SHA512

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tmpC959.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpC959.tmp
Size 1KB
SHA256 c470f45efd2e7c4c5b88534a18965a78dce0f8e154d3e45a9d5569ad0e334bdb
MD5 4e71faa3a77029484cfaba423d96618f
SHA1 9c837d050bb43d69dc608af809c292e13bca4718
SHA512 6d014de41352f2b0b494d94cd58188791e81d4e53578d0722110b6827793b735e19c614877f25c61b26233dea1b5f1998ba1240bdc8fa04c87b7e64a4ca15fe0
MD5 SHA1 SHA512

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memory/780-55-0x0000000076321000-0x0000000076323000-memory.dmp

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memory/780-56-0x00000000004A0000-0x00000000004C0000-memory.dmp

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memory/780-57-0x0000000005330000-0x00000000053BC000-memory.dmp

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memory/780-58-0x0000000000BB0000-0x0000000000BEC000-memory.dmp

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memory/780-54-0x0000000000BF0000-0x0000000000CD8000-memory.dmp

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memory/1996-62-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1996-80-0x0000000000460000-0x000000000046A000-memory.dmp

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memory/1996-70-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1996-72-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1996-65-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1996-64-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1996-61-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1996-92-0x0000000004400000-0x0000000004414000-memory.dmp

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memory/1996-78-0x0000000000450000-0x000000000045A000-memory.dmp

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memory/1996-79-0x0000000000660000-0x000000000067E000-memory.dmp

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memory/1996-67-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1996-81-0x00000000006D0000-0x00000000006E2000-memory.dmp

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memory/1996-82-0x00000000006F0000-0x000000000070A000-memory.dmp

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memory/1996-83-0x0000000000A80000-0x0000000000A8E000-memory.dmp

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memory/1996-84-0x0000000000B20000-0x0000000000B32000-memory.dmp

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memory/1996-85-0x0000000000BE0000-0x0000000000BEE000-memory.dmp

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memory/1996-86-0x00000000020E0000-0x00000000020EC000-memory.dmp

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memory/1996-87-0x0000000002270000-0x0000000002284000-memory.dmp

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memory/1996-88-0x0000000002280000-0x0000000002290000-memory.dmp

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memory/1996-89-0x0000000002290000-0x00000000022A4000-memory.dmp

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memory/1996-90-0x00000000022E0000-0x00000000022EE000-memory.dmp

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memory/1996-91-0x0000000004C20000-0x0000000004C4E000-memory.dmp

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