nanocore | 0237f0e94e8125c80b2792a8adae0644a44ee71408fb122f599fe99d2b03d869

Analysis

max time kernel
97s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
18/02/2023, 08:53

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
0c7c570656c8d2e747654bab956fc616.exe
Size 727KB
Sample230218-ktbbssbf68
SHA256 0237f0e94e8125c80b2792a8adae0644a44ee71408fb122f599fe99d2b03d869
MD5 0c7c570656c8d2e747654bab956fc616
SHA1 b3f74edc206d163abc33584bde97b1c579e415a6
SHA512 c2e8d97c6cbc5fc5247968ecb0e46dc215befbf2ecd78f1142e98708a9cdf8586bcee98ed126da3d422c1d419fc3d246dfd634f2f2feae2cc25ed477fbaf301f
SSDEEP 12288:DsQRqDSu+Dsv9tqqAPLyyYV0JqI8psV3T7VVQoKzUZT98/k57lR7UtbWX7L5GgoO:DsQRqDSuDEIgqpsVnIET90c7fUtqX7g
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

favgrandson7.sytes.net:6696
127.0.0.1:6696

Mutex

cb8b3819-b374-4932-8b1b-2c19c1da9851

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-11-25T08:34:00.714996536Z
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
6696
default_group
FEB13
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
cb8b3819-b374-4932-8b1b-2c19c1da9851
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
favgrandson7.sytes.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\TCP Subsystem = "C:\\Program Files (x86)\\TCP Subsystem\\tcpss.exe"	0c7c570656c8d2e747654bab956fc616.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	0c7c570656c8d2e747654bab956fc616.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4268 set thread context of 2960	4268	0c7c570656c8d2e747654bab956fc616.exe	90

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\TCP Subsystem\tcpss.exe	0c7c570656c8d2e747654bab956fc616.exe
File opened for modification	C:\Program Files (x86)\TCP Subsystem\tcpss.exe	0c7c570656c8d2e747654bab956fc616.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
4760	schtasks.exe
2824	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4268	0c7c570656c8d2e747654bab956fc616.exe
4268	0c7c570656c8d2e747654bab956fc616.exe
2960	0c7c570656c8d2e747654bab956fc616.exe
2960	0c7c570656c8d2e747654bab956fc616.exe
2960	0c7c570656c8d2e747654bab956fc616.exe
2960	0c7c570656c8d2e747654bab956fc616.exe
2960	0c7c570656c8d2e747654bab956fc616.exe
2960	0c7c570656c8d2e747654bab956fc616.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2960	0c7c570656c8d2e747654bab956fc616.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4268	0c7c570656c8d2e747654bab956fc616.exe
Token: SeDebugPrivilege	2960	0c7c570656c8d2e747654bab956fc616.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4268 wrote to memory of 3788	4268	0c7c570656c8d2e747654bab956fc616.exe	89
PID 4268 wrote to memory of 3788	4268	0c7c570656c8d2e747654bab956fc616.exe	89
PID 4268 wrote to memory of 3788	4268	0c7c570656c8d2e747654bab956fc616.exe	89
PID 4268 wrote to memory of 2960	4268	0c7c570656c8d2e747654bab956fc616.exe	90
PID 4268 wrote to memory of 2960	4268	0c7c570656c8d2e747654bab956fc616.exe	90
PID 4268 wrote to memory of 2960	4268	0c7c570656c8d2e747654bab956fc616.exe	90
PID 4268 wrote to memory of 2960	4268	0c7c570656c8d2e747654bab956fc616.exe	90
PID 4268 wrote to memory of 2960	4268	0c7c570656c8d2e747654bab956fc616.exe	90
PID 4268 wrote to memory of 2960	4268	0c7c570656c8d2e747654bab956fc616.exe	90
PID 4268 wrote to memory of 2960	4268	0c7c570656c8d2e747654bab956fc616.exe	90
PID 4268 wrote to memory of 2960	4268	0c7c570656c8d2e747654bab956fc616.exe	90
PID 2960 wrote to memory of 2824	2960	0c7c570656c8d2e747654bab956fc616.exe	91
PID 2960 wrote to memory of 2824	2960	0c7c570656c8d2e747654bab956fc616.exe	91
PID 2960 wrote to memory of 2824	2960	0c7c570656c8d2e747654bab956fc616.exe	91
PID 2960 wrote to memory of 4760	2960	0c7c570656c8d2e747654bab956fc616.exe	93
PID 2960 wrote to memory of 4760	2960	0c7c570656c8d2e747654bab956fc616.exe	93
PID 2960 wrote to memory of 4760	2960	0c7c570656c8d2e747654bab956fc616.exe	93

C:\Users\Admin\AppData\Local\Temp\0c7c570656c8d2e747654bab956fc616.exe
"C:\Users\Admin\AppData\Local\Temp\0c7c570656c8d2e747654bab956fc616.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4268
- C:\Users\Admin\AppData\Local\Temp\0c7c570656c8d2e747654bab956fc616.exe
  "C:\Users\Admin\AppData\Local\Temp\0c7c570656c8d2e747654bab956fc616.exe"
  2⤵
  PID:3788
- C:\Users\Admin\AppData\Local\Temp\0c7c570656c8d2e747654bab956fc616.exe
  "C:\Users\Admin\AppData\Local\Temp\0c7c570656c8d2e747654bab956fc616.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:2960
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "TCP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp202A.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2824
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "TCP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp20C7.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:4760

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

Loading Replay Monitor...

Downloads

0c7c570656c8d2e747654bab956fc616.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\0c7c570656c8d2e747654bab956fc616.exe.log
Size 1KB
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
MD5 SHA1 SHA512

Submit Download

tmp202A.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp202A.tmp
Size 1KB
SHA256 e993b485bd0f6ce0133dc39bfb72bdca0d93212b394c50c953ae1354cffe5ad2
MD5 cd05ad0a00396924b9839d7631ee50b7
SHA1 8d040c6b5342b02132943c3e405f159e1d98b595
SHA512 3a4b465d2809e274f5ac3ed3b5d17b93bde42ade3c64c566004ac54ff454de913f747fce513c36c83e29ee23f9a116ba82ebd658738b3eb131aca2287c7025f0
MD5 SHA1 SHA512

Submit Download

tmp20C7.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp20C7.tmp
Size 1KB
SHA256 062844155306130d6fafc4fe10ac9e5ddd2ed462532b729c50cdc979c0d83207
MD5 4b7ef560289c0f62d0baf6f14f48a57a
SHA1 8331acb90dde588aa3196919f6e847f398fd06d1
SHA512 ecaa27c4b703d95f9f9b37d8c339982970482e7dab968c2010e0aa644bbfa31973111aafb827565af30c423d1d14e4ff997ec149614e713ff7ef3456894d02d8
MD5 SHA1 SHA512

Submit Download

memory/2960-139-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/2960-145-0x0000000007510000-0x0000000007576000-memory.dmp

Download

memory/4268-132-0x0000000000710000-0x00000000007CC000-memory.dmp

Download

memory/4268-136-0x0000000007ED0000-0x0000000007F6C000-memory.dmp

Download

memory/4268-135-0x0000000005320000-0x000000000532A000-memory.dmp

Download

memory/4268-134-0x0000000005190000-0x0000000005222000-memory.dmp

Download

memory/4268-133-0x0000000005660000-0x0000000005C04000-memory.dmp

Download