nanocore | 4a006f30188cebe843f8f979bbb0bd3c1808bb8bc46f9e2dbbec566d1e0e9e6b

Analysis

max time kernel
150s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20/09/2022, 16:20

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General

Target
46f93ddbac62282be9a1c50c45fc47af.exe
Size 880KB
Sample220920-ts35vshcbl
SHA256 4a006f30188cebe843f8f979bbb0bd3c1808bb8bc46f9e2dbbec566d1e0e9e6b
MD5 46f93ddbac62282be9a1c50c45fc47af
SHA1 fd33afba3b59b797a44916b55f5edc66b4550679
SHA512 89ea18de5c201acd10b0256733671ccdab52c9d9c7f0c6d0e635a2a08bffac95501b77739edeaa71a2b08d39b149661cc4cf268b67ee0edeb617caa84d7c6e5c
SSDEEP 12288:58eSvB7/el8Z5GW8mnMBtZIHEDmpuWqV1bCBW5twGw9/:5M1eOWt+kDOub1GBW5twt9/
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

rolandlandson149.bounceme.net:1007
127.0.0.1:1007

Mutex

48099ca8-c1b4-49f3-9fe1-d8dfcbf66c09

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-06-13T20:58:05.824762936Z
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
1007
default_group
sepTmAn
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
48099ca8-c1b4-49f3-9fe1-d8dfcbf66c09
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
rolandlandson149.bounceme.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\AGP Monitor = "C:\\Program Files (x86)\\AGP Monitor\\agpmon.exe"	46f93ddbac62282be9a1c50c45fc47af.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	46f93ddbac62282be9a1c50c45fc47af.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4308 set thread context of 2172	4308	46f93ddbac62282be9a1c50c45fc47af.exe	89

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\AGP Monitor\agpmon.exe	46f93ddbac62282be9a1c50c45fc47af.exe
File opened for modification	C:\Program Files (x86)\AGP Monitor\agpmon.exe	46f93ddbac62282be9a1c50c45fc47af.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
3468	schtasks.exe
3756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2172	46f93ddbac62282be9a1c50c45fc47af.exe
2172	46f93ddbac62282be9a1c50c45fc47af.exe
2172	46f93ddbac62282be9a1c50c45fc47af.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2172	46f93ddbac62282be9a1c50c45fc47af.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	46f93ddbac62282be9a1c50c45fc47af.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4308 wrote to memory of 2172	4308	46f93ddbac62282be9a1c50c45fc47af.exe	89
PID 4308 wrote to memory of 2172	4308	46f93ddbac62282be9a1c50c45fc47af.exe	89
PID 4308 wrote to memory of 2172	4308	46f93ddbac62282be9a1c50c45fc47af.exe	89
PID 4308 wrote to memory of 2172	4308	46f93ddbac62282be9a1c50c45fc47af.exe	89
PID 4308 wrote to memory of 2172	4308	46f93ddbac62282be9a1c50c45fc47af.exe	89
PID 4308 wrote to memory of 2172	4308	46f93ddbac62282be9a1c50c45fc47af.exe	89
PID 4308 wrote to memory of 2172	4308	46f93ddbac62282be9a1c50c45fc47af.exe	89
PID 4308 wrote to memory of 2172	4308	46f93ddbac62282be9a1c50c45fc47af.exe	89
PID 2172 wrote to memory of 3468	2172	46f93ddbac62282be9a1c50c45fc47af.exe	90
PID 2172 wrote to memory of 3468	2172	46f93ddbac62282be9a1c50c45fc47af.exe	90
PID 2172 wrote to memory of 3468	2172	46f93ddbac62282be9a1c50c45fc47af.exe	90
PID 2172 wrote to memory of 3756	2172	46f93ddbac62282be9a1c50c45fc47af.exe	92
PID 2172 wrote to memory of 3756	2172	46f93ddbac62282be9a1c50c45fc47af.exe	92
PID 2172 wrote to memory of 3756	2172	46f93ddbac62282be9a1c50c45fc47af.exe	92

C:\Users\Admin\AppData\Local\Temp\46f93ddbac62282be9a1c50c45fc47af.exe
"C:\Users\Admin\AppData\Local\Temp\46f93ddbac62282be9a1c50c45fc47af.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4308
- C:\Users\Admin\AppData\Local\Temp\46f93ddbac62282be9a1c50c45fc47af.exe
  "C:\Users\Admin\AppData\Local\Temp\46f93ddbac62282be9a1c50c45fc47af.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:2172
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "AGP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp200B.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3468
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "AGP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2164.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3756

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

Replay Monitor

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Downloads

46f93ddbac62282be9a1c50c45fc47af.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\46f93ddbac62282be9a1c50c45fc47af.exe.log
Size 1KB
SHA256 bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7
MD5 e08f822522c617a40840c62e4b0fb45e
SHA1 ae516dca4da5234be6676d3f234c19ec55725be7
SHA512 894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4
MD5 SHA1 SHA512

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tmp200B.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp200B.tmp
Size 1KB
SHA256 d84aeda36d3a02bc747dda659a9e3b0d2e0b8d500b2a8fb7de23863d7d6f10e5
MD5 06f19a531502f7c18e0e845e9378115e
SHA1 61392960eeefb9048ab40806b73180abe52effa4
SHA512 499cee0a456bdae39473155da1ba6c42bd3b32c28cc53f40a3e52e391345feafe0c0bbe509dca17d9c655754061df580d90b921f9f137f06ce15acd1a233550e
MD5 SHA1 SHA512

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tmp2164.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp2164.tmp
Size 1KB
SHA256 49d903f84313feb16bd189c58b6c206f98b05da00ea0da881e2ff0c893b6ba5e
MD5 157cd55403665c49c9fd3ca1196c4397
SHA1 4feed6e606b41bb617274471349582963182756b
SHA512 bea7e3caa9c37cadd772a6d3ee0d9ed47de6b3e880cd58649be2939cacd00f70d4edc1ad177e432539267bb520094d9cda3f781cdfc69122f3775242321c11b8
MD5 SHA1 SHA512

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memory/2172-139-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/4308-137-0x0000000009710000-0x0000000009776000-memory.dmp

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memory/4308-136-0x0000000009670000-0x000000000970C000-memory.dmp

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memory/4308-135-0x0000000005A20000-0x0000000005A2A000-memory.dmp

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memory/4308-132-0x0000000000EF0000-0x0000000000FD2000-memory.dmp

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memory/4308-134-0x0000000005970000-0x0000000005A02000-memory.dmp

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memory/4308-133-0x0000000005E80000-0x0000000006424000-memory.dmp

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