nanocore | 0982bdc34132441865753618ab6e934e3f1a64b7df75cd0b1ece7fb5eb42fe51

General

Target

bright.exe
Size

1013KB
MD5

577b4a8ffd3d2ede7f85c53ee88feaa7
SHA1

f1a0dfec0dcc641d904793a2631d3b7b5a44f9dc
SHA256

0982bdc34132441865753618ab6e934e3f1a64b7df75cd0b1ece7fb5eb42fe51
SHA512

c6ff4b4d197da083f5a117ce3db4830b832490c2f670c12a30f12aaf8417bc1686d19ce55ce2ec992c01da5d72026628869ba91a54051d05ef3b2e5a899476e5
SSDEEP

24576:DuXqE4Th/qIG9pENMqh1oJB9LlzuVLTw5nF:aXqHVyIcc1h1iLlzuVL4F

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

brightnano1.ddns.net:1989

171.22.30.97:1989

Mutex

fba1bbc6-2cc8-4c94-b6c0-dda5a12fd7fe

Attributes

activate_away_mode
true
backup_connection_host
171.22.30.97
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-06-10T14:34:05.030247036Z
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
1989
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
fba1bbc6-2cc8-4c94-b6c0-dda5a12fd7fe
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
brightnano1.ddns.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\SCSI Service = "C:\\Program Files (x86)\\SCSI Service\\scsisvc.exe"	bright.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	bright.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1404 set thread context of 1392	1404	bright.exe	31

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SCSI Service\scsisvc.exe	bright.exe
File opened for modification	C:\Program Files (x86)\SCSI Service\scsisvc.exe	bright.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 3 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
1540	schtasks.exe
1684	schtasks.exe
872	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1404	bright.exe
1392	bright.exe
1392	bright.exe
1392	bright.exe
1392	bright.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1392	bright.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1404	bright.exe
Token: SeDebugPrivilege	1392	bright.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1404 wrote to memory of 1540	1404	bright.exe	28
PID 1404 wrote to memory of 1540	1404	bright.exe	28
PID 1404 wrote to memory of 1540	1404	bright.exe	28
PID 1404 wrote to memory of 1540	1404	bright.exe	28
PID 1404 wrote to memory of 280	1404	bright.exe	30
PID 1404 wrote to memory of 280	1404	bright.exe	30
PID 1404 wrote to memory of 280	1404	bright.exe	30
PID 1404 wrote to memory of 280	1404	bright.exe	30
PID 1404 wrote to memory of 1392	1404	bright.exe	31
PID 1404 wrote to memory of 1392	1404	bright.exe	31
PID 1404 wrote to memory of 1392	1404	bright.exe	31
PID 1404 wrote to memory of 1392	1404	bright.exe	31
PID 1404 wrote to memory of 1392	1404	bright.exe	31
PID 1404 wrote to memory of 1392	1404	bright.exe	31
PID 1404 wrote to memory of 1392	1404	bright.exe	31
PID 1404 wrote to memory of 1392	1404	bright.exe	31
PID 1404 wrote to memory of 1392	1404	bright.exe	31
PID 1392 wrote to memory of 1684	1392	bright.exe	32
PID 1392 wrote to memory of 1684	1392	bright.exe	32
PID 1392 wrote to memory of 1684	1392	bright.exe	32
PID 1392 wrote to memory of 1684	1392	bright.exe	32
PID 1392 wrote to memory of 872	1392	bright.exe	34
PID 1392 wrote to memory of 872	1392	bright.exe	34
PID 1392 wrote to memory of 872	1392	bright.exe	34
PID 1392 wrote to memory of 872	1392	bright.exe	34

C:\Users\Admin\AppData\Local\Temp\bright.exe
"C:\Users\Admin\AppData\Local\Temp\bright.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1404
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zbqrzWmpOD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6C6A.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1540
- C:\Users\Admin\AppData\Local\Temp\bright.exe
  "{path}"
  2⤵
  PID:280
- C:\Users\Admin\AppData\Local\Temp\bright.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:1392
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8C1A.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1684
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SCSI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8CF6.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:872

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6C6A.tmp

Filesize
1KB

MD5
5aeec3377a291203c316973f804a06ea

SHA1
2ad3504230877b516f0243044d77cfd8dbd56dc6

SHA256
d819243cf1a9005c4e0ac7f8391c4d6a30de9b4a2122eb11c24d5156e3776fe1

SHA512
d3422fa475c4b4c27e2c8db63a54d76a75e889b5bd82fb77ca41a3f2ee0f6e6af6c4c27db853d316e1f369c4f1fe057604938cbf96ea4e0299e17fedacd67f10

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8C1A.tmp

Filesize
1KB

MD5
fc3c777a8aeae21507fbc222f301a892

SHA1
b0272f89b780e59acee1732d20d3c88dbe64be17

SHA256
a9cd964d23d31120a840656495322d0b420e0412357fd21598b46c167c8cbff2

SHA512
db3ec406282c2fbfdfa80b5d64a573f5168f496935805f39a28fac4737b51acf23efd9cfee408bba615a8a99a900347429c269d27f49f01aaf64a45cff1b6cb6

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8CF6.tmp

Filesize
1KB

MD5
4e71faa3a77029484cfaba423d96618f

SHA1
9c837d050bb43d69dc608af809c292e13bca4718

SHA256
c470f45efd2e7c4c5b88534a18965a78dce0f8e154d3e45a9d5569ad0e334bdb

SHA512
6d014de41352f2b0b494d94cd58188791e81d4e53578d0722110b6827793b735e19c614877f25c61b26233dea1b5f1998ba1240bdc8fa04c87b7e64a4ca15fe0

Download Submit
memory/872-76-0x0000000000000000-mapping.dmp

Download
memory/1392-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1392-78-0x00000000004E0000-0x00000000004EA000-memory.dmp

Filesize
40KB

Download
memory/1392-92-0x00000000047D0000-0x00000000047E4000-memory.dmp

Filesize
80KB

Download
memory/1392-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1392-90-0x00000000047B0000-0x00000000047BE000-memory.dmp

Filesize
56KB

Download
memory/1392-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1392-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1392-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1392-68-0x000000000041E792-mapping.dmp

Download
memory/1392-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1392-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1392-91-0x0000000004890000-0x00000000048BE000-memory.dmp

Filesize
184KB

Download
memory/1392-89-0x00000000047A0000-0x00000000047B4000-memory.dmp

Filesize
80KB

Download
memory/1392-86-0x0000000000F90000-0x0000000000F9C000-memory.dmp

Filesize
48KB

Download
memory/1392-87-0x0000000000FA0000-0x0000000000FB4000-memory.dmp

Filesize
80KB

Download
memory/1392-88-0x0000000000FB0000-0x0000000000FC0000-memory.dmp

Filesize
64KB

Download
memory/1392-79-0x0000000000CF0000-0x0000000000D0E000-memory.dmp

Filesize
120KB

Download
memory/1392-80-0x0000000000580000-0x000000000058A000-memory.dmp

Filesize
40KB

Download
memory/1392-82-0x0000000000F10000-0x0000000000F2A000-memory.dmp

Filesize
104KB

Download
memory/1392-81-0x0000000000760000-0x0000000000772000-memory.dmp

Filesize
72KB

Download
memory/1392-83-0x0000000000BE0000-0x0000000000BEE000-memory.dmp

Filesize
56KB

Download
memory/1392-85-0x0000000000F40000-0x0000000000F4E000-memory.dmp

Filesize
56KB

Download
memory/1392-84-0x0000000000F30000-0x0000000000F42000-memory.dmp

Filesize
72KB

Download
memory/1404-55-0x0000000074F01000-0x0000000074F03000-memory.dmp

Filesize
8KB

Download
memory/1404-56-0x0000000000430000-0x0000000000442000-memory.dmp

Filesize
72KB

Download
memory/1404-57-0x0000000005860000-0x0000000005914000-memory.dmp

Filesize
720KB

Download
memory/1404-54-0x0000000000FC0000-0x00000000010C4000-memory.dmp

Filesize
1.0MB

Download
memory/1404-58-0x0000000000B70000-0x0000000000BD4000-memory.dmp

Filesize
400KB

Download
memory/1540-59-0x0000000000000000-mapping.dmp

Download
memory/1684-74-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads