nanocore | 112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5

General

Target

112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe
Size

1.8MB
MD5

11eb0dd8239cfec0e1b8e55b7d6c3688
SHA1

ac67d05ea9de4dea723da346d027d8744a40e6bf
SHA256

112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5
SHA512

dae1bcca351572876430c0dc23e5a5389c978683628c1f6e321f9f858052b90b08bdfebe87b98e716cf2e1f2c65948bf44d242a2c3221933d018fbd99143d8dd
SSDEEP

24576:8i56XwFnb6e49Pu0CCnYQb6VO9iovKHRKc:

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

rze6.sytes.net:8000

Mutex

0aeffa29-f3e3-4c27-b5c4-5ee7e27a451f

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-07-19T10:27:50.574421636Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
8000
default_group
OCT
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
0aeffa29-f3e3-4c27-b5c4-5ee7e27a451f
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
rze6.sytes.net
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 computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe

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\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Wndndwzajse = "\"C:\\Users\\Admin\\AppData\\Roaming\\Xhucnfxdy\\Wndndwzajse.exe\""	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.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	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5100 set thread context of 4784	5100	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe	93

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4308	powershell.exe
4308	powershell.exe
4784	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe
4784	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe
4784	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4784	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	5100	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe
Token: SeDebugPrivilege	4308	powershell.exe
Token: SeDebugPrivilege	4784	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 4308	5100	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe	86
PID 5100 wrote to memory of 4308	5100	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe	86
PID 5100 wrote to memory of 4308	5100	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe	86
PID 5100 wrote to memory of 4784	5100	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe	93
PID 5100 wrote to memory of 4784	5100	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe	93
PID 5100 wrote to memory of 4784	5100	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe	93
PID 5100 wrote to memory of 4784	5100	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe	93
PID 5100 wrote to memory of 4784	5100	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe	93
PID 5100 wrote to memory of 4784	5100	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe	93
PID 5100 wrote to memory of 4784	5100	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe	93
PID 5100 wrote to memory of 4784	5100	112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe	93

C:\Users\Admin\AppData\Local\Temp\112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe
"C:\Users\Admin\AppData\Local\Temp\112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5100
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4308
- C:\Users\Admin\AppData\Local\Temp\112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe
  C:\Users\Admin\AppData\Local\Temp\112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe
  2⤵
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:4784

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\112843e910e5bef697600933153dfc07852c3b6c5c1d1e2258da31c1c50d1fb5.exe.log

Filesize
1KB

MD5
3da8c0e0973f3328da5363ce1d655b26

SHA1
12e5547ce28ac5e8b8cfea10cb228fdb207f3d6f

SHA256
1986c5a00286a7bbb272103161f960b11d47e6b67900eaa14e0160bc7d27ca94

SHA512
7a351d62d80a19a1682b54a8850afbb58819f03a7beae9b1feac7246a2d7f275e253ed40e4a9f3ecfecbca4420dae2571cf88872c8543221d490b51949e949c4

Download Submit
memory/4308-144-0x0000000006890000-0x00000000068AA000-memory.dmp

Filesize
104KB

Download
memory/4308-139-0x00000000054D0000-0x0000000005AF8000-memory.dmp

Filesize
6.2MB

Download
memory/4308-143-0x00000000079C0000-0x000000000803A000-memory.dmp

Filesize
6.5MB

Download
memory/4308-142-0x0000000006280000-0x000000000629E000-memory.dmp

Filesize
120KB

Download
memory/4308-141-0x0000000005B00000-0x0000000005B66000-memory.dmp

Filesize
408KB

Download
memory/4308-138-0x0000000002D90000-0x0000000002DC6000-memory.dmp

Filesize
216KB

Download
memory/4308-137-0x0000000000000000-mapping.dmp

Download
memory/4308-140-0x0000000005360000-0x00000000053C6000-memory.dmp

Filesize
408KB

Download
memory/4784-145-0x0000000000000000-mapping.dmp

Download
memory/4784-146-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4784-148-0x00000000050B0000-0x000000000514C000-memory.dmp

Filesize
624KB

Download
memory/5100-134-0x0000000005A20000-0x0000000005AB2000-memory.dmp

Filesize
584KB

Download
memory/5100-136-0x0000000008400000-0x0000000008422000-memory.dmp

Filesize
136KB

Download
memory/5100-135-0x0000000005AD0000-0x0000000005ADA000-memory.dmp

Filesize
40KB

Download
memory/5100-132-0x0000000000EC0000-0x0000000001090000-memory.dmp

Filesize
1.8MB

Download
memory/5100-133-0x0000000005ED0000-0x0000000006474000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads