nanocore | b9b9fa184afcfe0808c76a42a44a22e960d0283cf763c120be371122d0de8174

General

Target

remittance.exe
Size

1.0MB
MD5

31c5c19e5cbf0993baeef892e8f73ada
SHA1

3f39dd3802f34e7f0b8d307a5aa31daac779c3c8
SHA256

b9b9fa184afcfe0808c76a42a44a22e960d0283cf763c120be371122d0de8174
SHA512

083b584a585fc100ee3619ad31042d0b9188e2bf81ec3f178fb2e89a2854af30d57adef2e59e46e48f0a6abfd951706d5dee52d9479f4c12317dd0fdf2e4fe86
SSDEEP

12288:BGVMmLXxPgZ8Uqcozk9h5uRsOLNoJ86aA/qoUmdaee/QCaCNqGVM9d4dIw8:B1mRgZjqco49hKssoJ8tydLC/VIdkIt

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

Processes:

remittance.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SCSI Service = "C:\\Program Files (x86)\\SCSI Service\\scsisvc.exe"	remittance.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

remittance.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA remittance.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

remittance.exe

description pid process target process

PID 536 set thread context of 1228 536 remittance.exe remittance.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	remittance.exe

description	pid	process	target process
PID 536 set thread context of 1228	536	remittance.exe	remittance.exe

Drops file in Program Files directory 2 IoCs

Processes:

remittance.exe

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

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

956 schtasks.exe
1892 schtasks.exe
316 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

remittance.exe

pid process

1228 remittance.exe
1228 remittance.exe
1228 remittance.exe
1228 remittance.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

remittance.exe

pid process

1228 remittance.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

remittance.exe

description pid process

Token: SeDebugPrivilege 1228 remittance.exe

pid	process
956	schtasks.exe
1892	schtasks.exe
316	schtasks.exe

pid	process
1228	remittance.exe
1228	remittance.exe
1228	remittance.exe
1228	remittance.exe

pid	process
1228	remittance.exe

description	pid	process
Token: SeDebugPrivilege	1228	remittance.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

remittance.exeremittance.exe

description	pid	process	target process
PID 536 wrote to memory of 956	536	remittance.exe	schtasks.exe
PID 536 wrote to memory of 956	536	remittance.exe	schtasks.exe
PID 536 wrote to memory of 956	536	remittance.exe	schtasks.exe
PID 536 wrote to memory of 956	536	remittance.exe	schtasks.exe
PID 536 wrote to memory of 1228	536	remittance.exe	remittance.exe
PID 536 wrote to memory of 1228	536	remittance.exe	remittance.exe
PID 536 wrote to memory of 1228	536	remittance.exe	remittance.exe
PID 536 wrote to memory of 1228	536	remittance.exe	remittance.exe
PID 536 wrote to memory of 1228	536	remittance.exe	remittance.exe
PID 536 wrote to memory of 1228	536	remittance.exe	remittance.exe
PID 536 wrote to memory of 1228	536	remittance.exe	remittance.exe
PID 536 wrote to memory of 1228	536	remittance.exe	remittance.exe
PID 536 wrote to memory of 1228	536	remittance.exe	remittance.exe
PID 1228 wrote to memory of 1892	1228	remittance.exe	schtasks.exe
PID 1228 wrote to memory of 1892	1228	remittance.exe	schtasks.exe
PID 1228 wrote to memory of 1892	1228	remittance.exe	schtasks.exe
PID 1228 wrote to memory of 1892	1228	remittance.exe	schtasks.exe
PID 1228 wrote to memory of 316	1228	remittance.exe	schtasks.exe
PID 1228 wrote to memory of 316	1228	remittance.exe	schtasks.exe
PID 1228 wrote to memory of 316	1228	remittance.exe	schtasks.exe
PID 1228 wrote to memory of 316	1228	remittance.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\remittance.exe
"C:\Users\Admin\AppData\Local\Temp\remittance.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:536

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QgSBwlYTdt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp562C.tmp"
2⤵
- Creates scheduled task(s)
PID:956

C:\Users\Admin\AppData\Local\Temp\remittance.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:1228

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SCSI Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5B89.tmp"
3⤵
- Creates scheduled task(s)
PID:1892

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SCSI Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5C74.tmp"
3⤵
- Creates scheduled task(s)
PID:316

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

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp562C.tmp
Filesize
1KB

MD5
29a50b56474a855d5afd4ac345c462b7

SHA1
59a0c906067e7668cb4c4946a9149ac73c936ece

SHA256
0f0a0897773d7150d3e8148c4ba1a76b3fa8ef44dc5dd3e606d1966ceaf75f21

SHA512
0260bbcb06b52167f316469b1f2d73d4011a07c838ce99d4cb3ac683f5a0397edc50a177f83679b843258ad1558a0caf749631a5fb637cd9100e86f52bb1ba28

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5B89.tmp
Filesize
1KB

MD5
5b40c05ffe47a1227d3db2c56517ecfe

SHA1
1ea3f663140e2e90ec188487d5e18b038d193f74

SHA256
a99d30fe31f4a0b49cf83dd407130c99a8b54d8637efcedcac84a4ff2b19953f

SHA512
3a641ceb180611a778ada9403bb5e8edab66efee93851ee95033013571a43f2f13b5e3b140d1812128d8203052e4a8c603603a91c3b7c73edd62dc246e55691c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp5C74.tmp
Filesize
1KB

MD5
4e71faa3a77029484cfaba423d96618f

SHA1
9c837d050bb43d69dc608af809c292e13bca4718

SHA256
c470f45efd2e7c4c5b88534a18965a78dce0f8e154d3e45a9d5569ad0e334bdb

SHA512
6d014de41352f2b0b494d94cd58188791e81d4e53578d0722110b6827793b735e19c614877f25c61b26233dea1b5f1998ba1240bdc8fa04c87b7e64a4ca15fe0

Download Submit
memory/316-76-0x0000000000000000-mapping.dmp

Download
memory/536-55-0x0000000075B11000-0x0000000075B13000-memory.dmp

Filesize
8KB

Download
memory/536-56-0x00000000003A0000-0x00000000003C0000-memory.dmp

Filesize
128KB

Download
memory/536-57-0x00000000053D0000-0x000000000545C000-memory.dmp

Filesize
560KB

Download
memory/536-58-0x0000000000970000-0x00000000009AA000-memory.dmp

Filesize
232KB

Download
memory/536-54-0x00000000009C0000-0x0000000000ACA000-memory.dmp

Filesize
1.0MB

Download
memory/956-59-0x0000000000000000-mapping.dmp

Download
memory/1228-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1228-80-0x0000000000660000-0x000000000066A000-memory.dmp

Filesize
40KB

Download
memory/1228-68-0x000000000041E792-mapping.dmp

Download
memory/1228-70-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1228-72-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1228-92-0x0000000004700000-0x0000000004714000-memory.dmp

Filesize
80KB

Download
memory/1228-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1228-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1228-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1228-78-0x0000000000550000-0x000000000055A000-memory.dmp

Filesize
40KB

Download
memory/1228-79-0x0000000000560000-0x000000000057E000-memory.dmp

Filesize
120KB

Download
memory/1228-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1228-81-0x0000000000870000-0x0000000000882000-memory.dmp

Filesize
72KB

Download
memory/1228-82-0x0000000000880000-0x000000000089A000-memory.dmp

Filesize
104KB

Download
memory/1228-83-0x00000000008F0000-0x00000000008FE000-memory.dmp

Filesize
56KB

Download
memory/1228-84-0x0000000000910000-0x0000000000922000-memory.dmp

Filesize
72KB

Download
memory/1228-85-0x0000000000920000-0x000000000092E000-memory.dmp

Filesize
56KB

Download
memory/1228-86-0x00000000009B0000-0x00000000009BC000-memory.dmp

Filesize
48KB

Download
memory/1228-87-0x0000000002060000-0x0000000002074000-memory.dmp

Filesize
80KB

Download
memory/1228-88-0x00000000020B0000-0x00000000020C0000-memory.dmp

Filesize
64KB

Download
memory/1228-89-0x0000000002200000-0x0000000002214000-memory.dmp

Filesize
80KB

Download
memory/1228-90-0x0000000002210000-0x000000000221E000-memory.dmp

Filesize
56KB

Download
memory/1228-91-0x0000000004750000-0x000000000477E000-memory.dmp

Filesize
184KB

Download
memory/1892-74-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads