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

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

Processes:

remittance.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	remittance.exe

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\AGP Monitor = "C:\\Program Files (x86)\\AGP Monitor\\agpmon.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 5096 set thread context of 4880 5096 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 5096 set thread context of 4880	5096	remittance.exe	remittance.exe

Drops file in Program Files directory 2 IoCs

Processes:

remittance.exe

description	ioc	process
File created	C:\Program Files (x86)\AGP Monitor\agpmon.exe	remittance.exe
File opened for modification	C:\Program Files (x86)\AGP Monitor\agpmon.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

1884 schtasks.exe
1292 schtasks.exe
3468 schtasks.exe

pid	process
1884	schtasks.exe
1292	schtasks.exe
3468	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

remittance.exeremittance.exe

pid	process
5096	remittance.exe
5096	remittance.exe
4880	remittance.exe
4880	remittance.exe
4880	remittance.exe
4880	remittance.exe
4880	remittance.exe
4880	remittance.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

remittance.exe

pid process

4880 remittance.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

remittance.exeremittance.exe

description pid process

Token: SeDebugPrivilege 5096 remittance.exe
Token: SeDebugPrivilege 4880 remittance.exe

pid	process
4880	remittance.exe

description	pid	process
Token: SeDebugPrivilege	5096	remittance.exe
Token: SeDebugPrivilege	4880	remittance.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

remittance.exeremittance.exe

description	pid	process	target process
PID 5096 wrote to memory of 3468	5096	remittance.exe	schtasks.exe
PID 5096 wrote to memory of 3468	5096	remittance.exe	schtasks.exe
PID 5096 wrote to memory of 3468	5096	remittance.exe	schtasks.exe
PID 5096 wrote to memory of 2596	5096	remittance.exe	remittance.exe
PID 5096 wrote to memory of 2596	5096	remittance.exe	remittance.exe
PID 5096 wrote to memory of 2596	5096	remittance.exe	remittance.exe
PID 5096 wrote to memory of 4880	5096	remittance.exe	remittance.exe
PID 5096 wrote to memory of 4880	5096	remittance.exe	remittance.exe
PID 5096 wrote to memory of 4880	5096	remittance.exe	remittance.exe
PID 5096 wrote to memory of 4880	5096	remittance.exe	remittance.exe
PID 5096 wrote to memory of 4880	5096	remittance.exe	remittance.exe
PID 5096 wrote to memory of 4880	5096	remittance.exe	remittance.exe
PID 5096 wrote to memory of 4880	5096	remittance.exe	remittance.exe
PID 5096 wrote to memory of 4880	5096	remittance.exe	remittance.exe
PID 4880 wrote to memory of 1884	4880	remittance.exe	schtasks.exe
PID 4880 wrote to memory of 1884	4880	remittance.exe	schtasks.exe
PID 4880 wrote to memory of 1884	4880	remittance.exe	schtasks.exe
PID 4880 wrote to memory of 1292	4880	remittance.exe	schtasks.exe
PID 4880 wrote to memory of 1292	4880	remittance.exe	schtasks.exe
PID 4880 wrote to memory of 1292	4880	remittance.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\remittance.exe
"C:\Users\Admin\AppData\Local\Temp\remittance.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5096

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QgSBwlYTdt" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDD55.tmp"
2⤵
- Creates scheduled task(s)
PID:3468

C:\Users\Admin\AppData\Local\Temp\remittance.exe
"{path}"
2⤵
PID:2596

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:4880

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE1F8.tmp"
3⤵
- Creates scheduled task(s)
PID:1884

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE276.tmp"
3⤵
- Creates scheduled task(s)
PID:1292

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

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\remittance.exe.log
Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDD55.tmp
Filesize
1KB

MD5
8b3310d46caf32eaddc990f12ca1dc47

SHA1
a217d37fefd5f6dd79e5440097265d43f0065b01

SHA256
71b596c094b192aacc93c31f762fcf60805e13cc7dbf51c42f4dcdb3de8e26b9

SHA512
a09e23596216fda8c7adbe73aa60592d9ea5e5debddd72dbcaa45ee4d12bde295f00767ecb016153b082d4dcbba89fb2c35cc32f2cc245bb75137752c58c41dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE1F8.tmp
Filesize
1KB

MD5
5b40c05ffe47a1227d3db2c56517ecfe

SHA1
1ea3f663140e2e90ec188487d5e18b038d193f74

SHA256
a99d30fe31f4a0b49cf83dd407130c99a8b54d8637efcedcac84a4ff2b19953f

SHA512
3a641ceb180611a778ada9403bb5e8edab66efee93851ee95033013571a43f2f13b5e3b140d1812128d8203052e4a8c603603a91c3b7c73edd62dc246e55691c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE276.tmp
Filesize
1KB

MD5
157cd55403665c49c9fd3ca1196c4397

SHA1
4feed6e606b41bb617274471349582963182756b

SHA256
49d903f84313feb16bd189c58b6c206f98b05da00ea0da881e2ff0c893b6ba5e

SHA512
bea7e3caa9c37cadd772a6d3ee0d9ed47de6b3e880cd58649be2939cacd00f70d4edc1ad177e432539267bb520094d9cda3f781cdfc69122f3775242321c11b8

Download Submit
memory/1292-145-0x0000000000000000-mapping.dmp

Download
memory/1884-143-0x0000000000000000-mapping.dmp

Download
memory/2596-139-0x0000000000000000-mapping.dmp

Download
memory/3468-137-0x0000000000000000-mapping.dmp

Download
memory/4880-140-0x0000000000000000-mapping.dmp

Download
memory/4880-141-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4880-147-0x00000000075D0000-0x0000000007636000-memory.dmp

Filesize
408KB

Download
memory/5096-132-0x0000000000190000-0x000000000029A000-memory.dmp

Filesize
1.0MB

Download
memory/5096-136-0x0000000004B00000-0x0000000004B0A000-memory.dmp

Filesize
40KB

Download
memory/5096-135-0x0000000004C40000-0x0000000004CDC000-memory.dmp

Filesize
624KB

Download
memory/5096-134-0x0000000004BA0000-0x0000000004C32000-memory.dmp

Filesize
584KB

Download
memory/5096-133-0x00000000050B0000-0x0000000005654000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads