nanocore | e0c42f93030f801d6891e23152fbfef0f198a40ce55aeb2bc7a4645d9eabca78

Analysis

max time kernel
147s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
05/02/2024, 02:27

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General

Target
90cc06f784030bf8c3beff53355db9e8.exe
Size 698KB
Sample240205-cxv7daadal
SHA256 e0c42f93030f801d6891e23152fbfef0f198a40ce55aeb2bc7a4645d9eabca78
MD5 90cc06f784030bf8c3beff53355db9e8
SHA1 c1b1e0676d3144a3992261b0afd7071dfadf1da2
SHA512 79438988014fe06c4f916f597e4c9fb49813145f02b2b5c24f08e93a29c892ec6961ec79c5a47ec0e9ecd34822c8d1d9826f1ad0ed2ea17d9cd653d077691b6a
SSDEEP 12288:VIbVqMQmDm7MwKfUP64P5NOylQGV39l0I:Vaqjt4nfJ4LOylP3T0I
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

dera12.ddns.net:1187

Mutex

55e6e996-1cce-4ab2-ac68-97aef6fdeb26

Attributes

activate_away_mode
true
backup_connection_host
dera12.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-28T12:24:54.184764036Z
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
1187
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
55e6e996-1cce-4ab2-ac68-97aef6fdeb26
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
dera12.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

T1547.001

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"	90cc06f784030bf8c3beff53355db9e8.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	90cc06f784030bf8c3beff53355db9e8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 468 set thread context of 1280	468	90cc06f784030bf8c3beff53355db9e8.exe	91

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SCSI Service\scsisvc.exe	90cc06f784030bf8c3beff53355db9e8.exe
File opened for modification	C:\Program Files (x86)\SCSI Service\scsisvc.exe	90cc06f784030bf8c3beff53355db9e8.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/Job

T1053

pid	Process
1724	schtasks.exe
4324	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1280	90cc06f784030bf8c3beff53355db9e8.exe
1280	90cc06f784030bf8c3beff53355db9e8.exe
1280	90cc06f784030bf8c3beff53355db9e8.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1280	90cc06f784030bf8c3beff53355db9e8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1280	90cc06f784030bf8c3beff53355db9e8.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 468 wrote to memory of 1280	468	90cc06f784030bf8c3beff53355db9e8.exe	91
PID 468 wrote to memory of 1280	468	90cc06f784030bf8c3beff53355db9e8.exe	91
PID 468 wrote to memory of 1280	468	90cc06f784030bf8c3beff53355db9e8.exe	91
PID 468 wrote to memory of 1280	468	90cc06f784030bf8c3beff53355db9e8.exe	91
PID 468 wrote to memory of 1280	468	90cc06f784030bf8c3beff53355db9e8.exe	91
PID 468 wrote to memory of 1280	468	90cc06f784030bf8c3beff53355db9e8.exe	91
PID 468 wrote to memory of 1280	468	90cc06f784030bf8c3beff53355db9e8.exe	91
PID 468 wrote to memory of 1280	468	90cc06f784030bf8c3beff53355db9e8.exe	91
PID 1280 wrote to memory of 1724	1280	90cc06f784030bf8c3beff53355db9e8.exe	92
PID 1280 wrote to memory of 1724	1280	90cc06f784030bf8c3beff53355db9e8.exe	92
PID 1280 wrote to memory of 1724	1280	90cc06f784030bf8c3beff53355db9e8.exe	92
PID 1280 wrote to memory of 4324	1280	90cc06f784030bf8c3beff53355db9e8.exe	94
PID 1280 wrote to memory of 4324	1280	90cc06f784030bf8c3beff53355db9e8.exe	94
PID 1280 wrote to memory of 4324	1280	90cc06f784030bf8c3beff53355db9e8.exe	94

C:\Users\Admin\AppData\Local\Temp\90cc06f784030bf8c3beff53355db9e8.exe
"C:\Users\Admin\AppData\Local\Temp\90cc06f784030bf8c3beff53355db9e8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:468
- C:\Users\Admin\AppData\Local\Temp\90cc06f784030bf8c3beff53355db9e8.exe
  "C:\Users\Admin\AppData\Local\Temp\90cc06f784030bf8c3beff53355db9e8.exe"
  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:1280
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpEB69.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1724
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpEBB9.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:4324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

90cc06f784030bf8c3beff53355db9e8.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\90cc06f784030bf8c3beff53355db9e8.exe.log
Size 496B
SHA256 8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349
MD5 cb76b18ebed3a9f05a14aed43d35fba6
SHA1 836a4b4e351846fca08b84149cb734cb59b8c0d6
SHA512 7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c
MD5 SHA1 SHA512

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tmpEB69.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpEB69.tmp
Size 1KB
SHA256 d5ca7af51b99816f2fe3a3bf2ef102c76acf9acd73c63f77d8a2dc2b66f809bd
MD5 2f21b273d960b3f5c187421f0d21ab32
SHA1 36677a81a1438366ca489d757637b27a16b9228d
SHA512 60dd941a0595989a8f03a3476b25a9bd2dbc4b5c232237c883e24e426b1c3645ed211f50c7ed85fb5429f1543002ac8c232a0c70d3bd7feee6dae75a9591975b
MD5 SHA1 SHA512

Submit Download

tmpEBB9.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpEBB9.tmp
Size 1KB
SHA256 c470f45efd2e7c4c5b88534a18965a78dce0f8e154d3e45a9d5569ad0e334bdb
MD5 4e71faa3a77029484cfaba423d96618f
SHA1 9c837d050bb43d69dc608af809c292e13bca4718
SHA512 6d014de41352f2b0b494d94cd58188791e81d4e53578d0722110b6827793b735e19c614877f25c61b26233dea1b5f1998ba1240bdc8fa04c87b7e64a4ca15fe0
MD5 SHA1 SHA512

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memory/468-4-0x0000000000DD0000-0x0000000000DE0000-memory.dmp

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memory/468-2-0x0000000000DD0000-0x0000000000DE0000-memory.dmp

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memory/468-5-0x0000000000DD0000-0x0000000000DE0000-memory.dmp

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memory/468-0-0x0000000074A50000-0x0000000075001000-memory.dmp

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memory/468-3-0x0000000074A50000-0x0000000075001000-memory.dmp

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memory/468-9-0x0000000074A50000-0x0000000075001000-memory.dmp

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memory/468-1-0x0000000074A50000-0x0000000075001000-memory.dmp

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memory/1280-11-0x0000000001590000-0x00000000015A0000-memory.dmp

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memory/1280-12-0x0000000074A50000-0x0000000075001000-memory.dmp

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memory/1280-10-0x0000000074A50000-0x0000000075001000-memory.dmp

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memory/1280-6-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/1280-20-0x0000000001590000-0x00000000015A0000-memory.dmp

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memory/1280-21-0x0000000074A50000-0x0000000075001000-memory.dmp

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memory/1280-22-0x0000000001590000-0x00000000015A0000-memory.dmp

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memory/1280-23-0x0000000001590000-0x00000000015A0000-memory.dmp

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