nanocore | 18fcb8604dc88c010d786be917f618a461876f5db6f80f1f8a64bc3b8fe48a98

Resubmissions

24-07-2023 06:32

230724-haylwaag65 10

16-07-2023 18:15

230716-wwbacshb7z 10

Analysis

max time kernel
153s
max time network
184s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
24-07-2023 06:32

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General

Target

2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
Size

924KB
MD5

24948fffedf100ae5717a597279f2bd0
SHA1

9682d3b718238fbc682d45cb66f67927a65ff584
SHA256

2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53
SHA512

a229bf77de9ddf1c9dd99c6bb24f6ddf21c782ca3a19488b921fba8fd36eaba1d4930d9e27176b63ee09a3843473d09a06acd6c367270abd58a80c3de136d4d9
SSDEEP

12288:e6SlCKDiW1q9I6/kldSCGDyDg24xUMmFIDHmekod+ik4g8y3SoDpbBj0pV:bSwK5OPWUyCH1wrEloDptA

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

harolds.ooguy.com:6051

harold.2waky.com:6051

Mutex

79556390-7150-4551-9067-10cd33e6482e

Attributes

activate_away_mode
true
backup_connection_host
harold.2waky.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-04-28T08:36:06.976087436Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6051
default_group
Acandy
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
79556390-7150-4551-9067-10cd33e6482e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
harolds.ooguy.com
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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

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	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2116 set thread context of 2812	2116	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	32

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1496	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2812	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
2812	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
2812	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2812	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 1496	2116	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	30
PID 2116 wrote to memory of 1496	2116	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	30
PID 2116 wrote to memory of 1496	2116	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	30
PID 2116 wrote to memory of 1496	2116	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	30
PID 2116 wrote to memory of 2812	2116	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	32
PID 2116 wrote to memory of 2812	2116	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	32
PID 2116 wrote to memory of 2812	2116	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	32
PID 2116 wrote to memory of 2812	2116	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	32
PID 2116 wrote to memory of 2812	2116	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	32
PID 2116 wrote to memory of 2812	2116	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	32
PID 2116 wrote to memory of 2812	2116	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	32
PID 2116 wrote to memory of 2812	2116	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	32
PID 2116 wrote to memory of 2812	2116	2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe	32

C:\Users\Admin\AppData\Local\Temp\2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
"C:\Users\Admin\AppData\Local\Temp\2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GzgZEDIygQcf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8F06.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1496
- C:\Users\Admin\AppData\Local\Temp\2122f46b7744ea7cabea57095f4cdcbcdcf176232cfae669e7119c5bd607bf53.exe
  "{path}"
  2⤵
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:2812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8F06.tmp

Filesize
1KB

MD5
3848272cba4afaa650598502032b1954

SHA1
079a73e7fdefab05ca177fe37cf5da7219904eb8

SHA256
a1c0aad65e79182d3cd47db162f1a582abeeb3ccb6364fe70350c030463cfe2f

SHA512
a9d727362c22602a34fcd4da478bb8fdbb43f9eadabd7ddce9464afb7d9ef72b2526e9fcf832a04d840df38f8796f68f9cea59c40293d3918605f4755e7c56b9

Download Submit
memory/2116-54-0x00000000008B0000-0x000000000099E000-memory.dmp

Filesize
952KB

Download
memory/2116-55-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2116-56-0x0000000000320000-0x000000000032A000-memory.dmp

Filesize
40KB

Download
memory/2116-57-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2116-58-0x0000000007180000-0x00000000071C0000-memory.dmp

Filesize
256KB

Download
memory/2116-59-0x0000000000B30000-0x0000000000B70000-memory.dmp

Filesize
256KB

Download
memory/2116-84-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2812-69-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-78-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2812-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-71-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2812-73-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-75-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-77-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-79-0x00000000048F0000-0x0000000004930000-memory.dmp

Filesize
256KB

Download
memory/2812-81-0x0000000000470000-0x000000000047A000-memory.dmp

Filesize
40KB

Download
memory/2812-82-0x00000000004E0000-0x00000000004FE000-memory.dmp

Filesize
120KB

Download
memory/2812-83-0x0000000000480000-0x000000000048A000-memory.dmp

Filesize
40KB

Download
memory/2812-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2812-85-0x0000000074200000-0x00000000748EE000-memory.dmp

Filesize
6.9MB

Download
memory/2812-86-0x00000000048F0000-0x0000000004930000-memory.dmp

Filesize
256KB

Download