nanocore | cb32062134d4c381083da947e82ffb19c1d1a3ce5011c43863c6ec224bacd061

General

Target

STATEMENT OF ACCOUNT.pdf.exe
Size

353KB
MD5

b8d73acc433977ce45cdcae9a7bb1326
SHA1

6a3aabd31a7fc5b0e3d15b7bf230a4186a99c323
SHA256

ca2e54b05185ed7f76ba5ccf9f24a2e607a6322fdbd1acbc37902e4dac015697
SHA512

47c1356de467e88fc65dc78c4ca73ccf927af00024fafbf7c5e0ec306e1cd564d05fc47d03e933ffa2a4d773a1d8806e372d624edf061e3421fd51528e248b0b

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

kachi2020.hopto.org:1918

185.165.153.19:1918

Mutex

d8af0884-edfe-4f5e-9dbe-2b1162970748

Attributes

activate_away_mode
true
backup_connection_host
185.165.153.19
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-02-16T11:38:10.399131136Z
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
1918
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
d8af0884-edfe-4f5e-9dbe-2b1162970748
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
kachi2020.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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

STATEMENT OF ACCOUNT.pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Service = "C:\\Program Files (x86)\\TCP Service\\tcpsvc.exe"	STATEMENT OF ACCOUNT.pdf.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

STATEMENT OF ACCOUNT.pdf.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	STATEMENT OF ACCOUNT.pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

STATEMENT OF ACCOUNT.pdf.exe

description pid process target process

PID 2524 set thread context of 5084 2524 STATEMENT OF ACCOUNT.pdf.exe STATEMENT OF ACCOUNT.pdf.exe

description	pid	process	target process
PID 2524 set thread context of 5084	2524	STATEMENT OF ACCOUNT.pdf.exe	STATEMENT OF ACCOUNT.pdf.exe

Drops file in Program Files directory 2 IoCs

Processes:

STATEMENT OF ACCOUNT.pdf.exe

description	ioc	process
File created	C:\Program Files (x86)\TCP Service\tcpsvc.exe	STATEMENT OF ACCOUNT.pdf.exe
File opened for modification	C:\Program Files (x86)\TCP Service\tcpsvc.exe	STATEMENT OF ACCOUNT.pdf.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

Processes:

schtasks.exeschtasks.exe

pid process

4696 schtasks.exe
2592 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

STATEMENT OF ACCOUNT.pdf.exeSTATEMENT OF ACCOUNT.pdf.exe

pid process

2524 STATEMENT OF ACCOUNT.pdf.exe
5084 STATEMENT OF ACCOUNT.pdf.exe
5084 STATEMENT OF ACCOUNT.pdf.exe
5084 STATEMENT OF ACCOUNT.pdf.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

STATEMENT OF ACCOUNT.pdf.exe

pid process

5084 STATEMENT OF ACCOUNT.pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

STATEMENT OF ACCOUNT.pdf.exeSTATEMENT OF ACCOUNT.pdf.exe

description pid process

Token: SeDebugPrivilege 2524 STATEMENT OF ACCOUNT.pdf.exe
Token: SeDebugPrivilege 5084 STATEMENT OF ACCOUNT.pdf.exe

pid	process
4696	schtasks.exe
2592	schtasks.exe

pid	process
2524	STATEMENT OF ACCOUNT.pdf.exe
5084	STATEMENT OF ACCOUNT.pdf.exe
5084	STATEMENT OF ACCOUNT.pdf.exe
5084	STATEMENT OF ACCOUNT.pdf.exe

pid	process
5084	STATEMENT OF ACCOUNT.pdf.exe

description	pid	process
Token: SeDebugPrivilege	2524	STATEMENT OF ACCOUNT.pdf.exe
Token: SeDebugPrivilege	5084	STATEMENT OF ACCOUNT.pdf.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

STATEMENT OF ACCOUNT.pdf.exeSTATEMENT OF ACCOUNT.pdf.exe

description	pid	process	target process
PID 2524 wrote to memory of 5084	2524	STATEMENT OF ACCOUNT.pdf.exe	STATEMENT OF ACCOUNT.pdf.exe
PID 2524 wrote to memory of 5084	2524	STATEMENT OF ACCOUNT.pdf.exe	STATEMENT OF ACCOUNT.pdf.exe
PID 2524 wrote to memory of 5084	2524	STATEMENT OF ACCOUNT.pdf.exe	STATEMENT OF ACCOUNT.pdf.exe
PID 2524 wrote to memory of 5084	2524	STATEMENT OF ACCOUNT.pdf.exe	STATEMENT OF ACCOUNT.pdf.exe
PID 2524 wrote to memory of 5084	2524	STATEMENT OF ACCOUNT.pdf.exe	STATEMENT OF ACCOUNT.pdf.exe
PID 2524 wrote to memory of 5084	2524	STATEMENT OF ACCOUNT.pdf.exe	STATEMENT OF ACCOUNT.pdf.exe
PID 2524 wrote to memory of 5084	2524	STATEMENT OF ACCOUNT.pdf.exe	STATEMENT OF ACCOUNT.pdf.exe
PID 2524 wrote to memory of 5084	2524	STATEMENT OF ACCOUNT.pdf.exe	STATEMENT OF ACCOUNT.pdf.exe
PID 5084 wrote to memory of 4696	5084	STATEMENT OF ACCOUNT.pdf.exe	schtasks.exe
PID 5084 wrote to memory of 4696	5084	STATEMENT OF ACCOUNT.pdf.exe	schtasks.exe
PID 5084 wrote to memory of 4696	5084	STATEMENT OF ACCOUNT.pdf.exe	schtasks.exe
PID 5084 wrote to memory of 2592	5084	STATEMENT OF ACCOUNT.pdf.exe	schtasks.exe
PID 5084 wrote to memory of 2592	5084	STATEMENT OF ACCOUNT.pdf.exe	schtasks.exe
PID 5084 wrote to memory of 2592	5084	STATEMENT OF ACCOUNT.pdf.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2524

C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.pdf.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:5084

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "TCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp1EE2.tmp"
3⤵
- Creates scheduled task(s)
PID:4696

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "TCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2EA2.tmp"
3⤵
- Creates scheduled task(s)
PID:2592

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\STATEMENT OF ACCOUNT.pdf.exe.log
Filesize
496B

MD5
cb76b18ebed3a9f05a14aed43d35fba6

SHA1
836a4b4e351846fca08b84149cb734cb59b8c0d6

SHA256
8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

SHA512
7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1EE2.tmp
Filesize
1KB

MD5
762d50883bb6a74ee602f99238756b1d

SHA1
132f11b1f377c970ce198ef00fbe6e5bc346e988

SHA256
6f18ba1e9e756af18008c9a13e7050547bd7ae0ad938222346a17eb0855fbb1e

SHA512
21d70f973fec707f73ffff739c2f983190c08cf08242343571e411b7cbf4b5f241cefa75e46355c335ce57296eacd0a750afd365b773ce2132db5cfd965ee12f

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2EA2.tmp
Filesize
1KB

MD5
9db6095f31f8b4ae8173fe11424a8dfe

SHA1
4b0655ae95def24a41710ca137649d93bfa49407

SHA256
9911b4513e44521c90c020ddcddea1ddc58095055a72ec638b593bf9ee23aa72

SHA512
5bee977264545a30a2d53e674f54a4066d4529dc9162d46911b9cac957052cdc1ea7c8d60f9c57d3f33db6cb964b1e6bb2347d0e0e2af0a32ac98938c02ffc1c

Download Submit
memory/2524-130-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download
memory/2592-137-0x0000000000000000-mapping.dmp

Download
memory/4696-134-0x0000000000000000-mapping.dmp

Download
memory/5084-131-0x0000000000000000-mapping.dmp

Download
memory/5084-132-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/5084-135-0x0000000074DB0000-0x0000000075361000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads