nanocore | e0b3c7281dd3488df3c71ee35dde8fe321e5aae4d3f200d2f63dfef64a97daff

General

Target

attached PI.exe
Size

1.1MB
MD5

238b41e834f3b663584d4788493bc75f
SHA1

006efa65c3a4c5b4ee2402ab5e6d789fc95e0b9c
SHA256

e0b3c7281dd3488df3c71ee35dde8fe321e5aae4d3f200d2f63dfef64a97daff
SHA512

23a862d13b143d37328e8055d99329e0ec5caaa0a554706eb18ad3e0ac298bb5e10141f9101019223bfe77f2abcadfe90e27b91a453c5cf6cb8fe37396af956d
SSDEEP

12288:c3mY2iNw0+9MKvADqjJ5nr9fAn/CoE2g++sn3Qwon89AGPEAbVNqPKvmvuoZ2aVc:c3x1Ieyjrrm/C72g2QFnE7P5

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:

attached PI.exe

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

attached PI.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"	attached PI.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

attached PI.exe

description ioc process

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

Processes:

attached PI.exe

description pid process target process

PID 1472 set thread context of 3712 1472 attached PI.exe attached PI.exe

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

description	pid	process	target process
PID 1472 set thread context of 3712	1472	attached PI.exe	attached PI.exe

Drops file in Program Files directory 2 IoCs

Processes:

attached PI.exe

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

1488 schtasks.exe
4584 schtasks.exe
1984 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

attached PI.exe

pid process

3712 attached PI.exe
3712 attached PI.exe
3712 attached PI.exe
3712 attached PI.exe
3712 attached PI.exe
3712 attached PI.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

attached PI.exe

pid process

3712 attached PI.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

attached PI.exe

description pid process

Token: SeDebugPrivilege 3712 attached PI.exe

pid	process
1488	schtasks.exe
4584	schtasks.exe
1984	schtasks.exe

pid	process
3712	attached PI.exe
3712	attached PI.exe
3712	attached PI.exe
3712	attached PI.exe
3712	attached PI.exe
3712	attached PI.exe

pid	process
3712	attached PI.exe

description	pid	process
Token: SeDebugPrivilege	3712	attached PI.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

attached PI.exeattached PI.exe

description	pid	process	target process
PID 1472 wrote to memory of 1488	1472	attached PI.exe	schtasks.exe
PID 1472 wrote to memory of 1488	1472	attached PI.exe	schtasks.exe
PID 1472 wrote to memory of 1488	1472	attached PI.exe	schtasks.exe
PID 1472 wrote to memory of 3712	1472	attached PI.exe	attached PI.exe
PID 1472 wrote to memory of 3712	1472	attached PI.exe	attached PI.exe
PID 1472 wrote to memory of 3712	1472	attached PI.exe	attached PI.exe
PID 1472 wrote to memory of 3712	1472	attached PI.exe	attached PI.exe
PID 1472 wrote to memory of 3712	1472	attached PI.exe	attached PI.exe
PID 1472 wrote to memory of 3712	1472	attached PI.exe	attached PI.exe
PID 1472 wrote to memory of 3712	1472	attached PI.exe	attached PI.exe
PID 1472 wrote to memory of 3712	1472	attached PI.exe	attached PI.exe
PID 3712 wrote to memory of 4584	3712	attached PI.exe	schtasks.exe
PID 3712 wrote to memory of 4584	3712	attached PI.exe	schtasks.exe
PID 3712 wrote to memory of 4584	3712	attached PI.exe	schtasks.exe
PID 3712 wrote to memory of 1984	3712	attached PI.exe	schtasks.exe
PID 3712 wrote to memory of 1984	3712	attached PI.exe	schtasks.exe
PID 3712 wrote to memory of 1984	3712	attached PI.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\attached PI.exe
"C:\Users\Admin\AppData\Local\Temp\attached PI.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1472

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ecCUXmnB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp511.tmp"
2⤵
- Creates scheduled task(s)
PID:1488

C:\Users\Admin\AppData\Local\Temp\attached PI.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:3712

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8E9.tmp"
3⤵
- Creates scheduled task(s)
PID:4584

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "AGP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp938.tmp"
3⤵
- Creates scheduled task(s)
PID:1984

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\attached PI.exe.log
Filesize
1KB

MD5
84e77a587d94307c0ac1357eb4d3d46f

SHA1
83cc900f9401f43d181207d64c5adba7a85edc1e

SHA256
e16024b092a026a9dc00df69d4b9bbcab7b2dc178dc5291fc308a1abc9304a99

SHA512
aefb5c62200b3ed97718d20a89990954d4d8acdc0a6a73c5a420f1bba619cb79e70c2cd0a579b9f52dc6b09e1de2cea6cd6cac4376cfee92d94e2c01d310f691

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp511.tmp
Filesize
1KB

MD5
764a7b1943ddf33fe87d606f7a6e338a

SHA1
1878421b5e79a214651a6b239b1dd84bf3e268ff

SHA256
788f439bb447144af2e37cf7450f0bd44fa72a01d80946902529d6e534b9edc4

SHA512
edc78b02366d75140876b79c42f20b8f57d64187ac073f6bc3a6a3236ad07ff2ebd595b18801825a4bc8a8ba82211fc0aa0834b2fdb86f275543fc9f7d2a397b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8E9.tmp
Filesize
1KB

MD5
d972ae1e12347e96f6777c07e092f28c

SHA1
dc26b4d6a4d7a860fd0cdf7e03a1ea7459fc289b

SHA256
4d80f0dcb044aa6276a43d60b6ffcbf5128bdcf46d5366fa4cc9bbecc6a94a7c

SHA512
2670e29df8104d858cd88d011687511db702135100fdd66ffffa1600a67dbaad656950b178d393246ab63f67920c0293bb1632fa5a355d1471eecb1b6c510720

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp938.tmp
Filesize
1KB

MD5
157cd55403665c49c9fd3ca1196c4397

SHA1
4feed6e606b41bb617274471349582963182756b

SHA256
49d903f84313feb16bd189c58b6c206f98b05da00ea0da881e2ff0c893b6ba5e

SHA512
bea7e3caa9c37cadd772a6d3ee0d9ed47de6b3e880cd58649be2939cacd00f70d4edc1ad177e432539267bb520094d9cda3f781cdfc69122f3775242321c11b8

Download Submit
memory/1472-133-0x0000000005610000-0x0000000005BB4000-memory.dmp

Filesize
5.6MB

Download
memory/1472-135-0x0000000005100000-0x000000000519C000-memory.dmp

Filesize
624KB

Download
memory/1472-136-0x0000000004FE0000-0x0000000004FEA000-memory.dmp

Filesize
40KB

Download
memory/1472-134-0x0000000004F40000-0x0000000004FD2000-memory.dmp

Filesize
584KB

Download
memory/1472-132-0x0000000000490000-0x00000000005AA000-memory.dmp

Filesize
1.1MB

Download
memory/1488-137-0x0000000000000000-mapping.dmp

Download
memory/1984-144-0x0000000000000000-mapping.dmp

Download
memory/3712-140-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3712-139-0x0000000000000000-mapping.dmp

Download
memory/3712-146-0x0000000007590000-0x00000000075F6000-memory.dmp

Filesize
408KB

Download
memory/4584-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads