nanocore | 87843e14af3e12f93ac8e2a08aa096d5b9cdcca6476bc3d38685871b18008bd3

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
12-06-2024 18:06

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General

Target

SIGNED PO CIF0245605.exe
Size

1.1MB
MD5

1c1fabf576e7e33845d1aaee8db39272
SHA1

0ded35b3b43e3540a649dd73cef5de4e5450317d
SHA256

25ba3e8b7fd0d0b446923d26a3da174e89c7f88e7cd1ad8308f3e4f9283e7129
SHA512

51d0d9ca44fba6500677d55c6635afd5872aae0d35b492c20a6a72d20004e4a83ec3247bddb1ffd599a313c73d0f5eeddc02926cf7cbec09de27e3a247d070dc
SSDEEP

24576:8NA3R5drXzJN+6EfxhcMfqDHRLVROPc1jZFQYcHO6lP2vh:951NYEMkHtVR11jZ63w5

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

79.134.225.82:54280

Mutex

2df83afd-e34f-4f1a-8808-4301ccf4034a

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-11-24T16:56:40.784641836Z
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
54280
default_group
TEAM NO FEAR
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
2df83afd-e34f-4f1a-8808-4301ccf4034a
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
79.134.225.82
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
Executes dropped EXE 2 IoCs

Processes:

ttscsakex.exeRegSvcs.exe

pid process

872 ttscsakex.exe
568 RegSvcs.exe
Loads dropped DLL 5 IoCs

Processes:

SIGNED PO CIF0245605.exettscsakex.exe

pid process

2536 SIGNED PO CIF0245605.exe
2536 SIGNED PO CIF0245605.exe
2536 SIGNED PO CIF0245605.exe
2536 SIGNED PO CIF0245605.exe
872 ttscsakex.exe

pid	process
2536	SIGNED PO CIF0245605.exe
2536	SIGNED PO CIF0245605.exe
2536	SIGNED PO CIF0245605.exe
2536	SIGNED PO CIF0245605.exe
872	ttscsakex.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ttscsakex.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Users\\Admin\\I6364D~1\\TTSCSA~1.EXE C:\\Users\\Admin\\I6364D~1\\EJOLIC~1.LWN"	ttscsakex.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RegSvcs.exe

description ioc process

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

Processes:

ttscsakex.exe

description pid process target process

PID 872 set thread context of 568 872 ttscsakex.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2796 schtasks.exe

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

description	pid	process	target process
PID 872 set thread context of 568	872	ttscsakex.exe	RegSvcs.exe

pid	process
2796	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

ttscsakex.exeRegSvcs.exe

pid	process
872	ttscsakex.exe
568	RegSvcs.exe
568	RegSvcs.exe
568	RegSvcs.exe
568	RegSvcs.exe
872	ttscsakex.exe
872	ttscsakex.exe
568	RegSvcs.exe
568	RegSvcs.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe
872	ttscsakex.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

568 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 568 RegSvcs.exe

pid	process
568	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	568	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

SIGNED PO CIF0245605.exettscsakex.exeRegSvcs.exe

description	pid	process	target process
PID 2536 wrote to memory of 872	2536	SIGNED PO CIF0245605.exe	ttscsakex.exe
PID 2536 wrote to memory of 872	2536	SIGNED PO CIF0245605.exe	ttscsakex.exe
PID 2536 wrote to memory of 872	2536	SIGNED PO CIF0245605.exe	ttscsakex.exe
PID 2536 wrote to memory of 872	2536	SIGNED PO CIF0245605.exe	ttscsakex.exe
PID 872 wrote to memory of 568	872	ttscsakex.exe	RegSvcs.exe
PID 872 wrote to memory of 568	872	ttscsakex.exe	RegSvcs.exe
PID 872 wrote to memory of 568	872	ttscsakex.exe	RegSvcs.exe
PID 872 wrote to memory of 568	872	ttscsakex.exe	RegSvcs.exe
PID 872 wrote to memory of 568	872	ttscsakex.exe	RegSvcs.exe
PID 872 wrote to memory of 568	872	ttscsakex.exe	RegSvcs.exe
PID 872 wrote to memory of 568	872	ttscsakex.exe	RegSvcs.exe
PID 872 wrote to memory of 568	872	ttscsakex.exe	RegSvcs.exe
PID 872 wrote to memory of 568	872	ttscsakex.exe	RegSvcs.exe
PID 568 wrote to memory of 2796	568	RegSvcs.exe	schtasks.exe
PID 568 wrote to memory of 2796	568	RegSvcs.exe	schtasks.exe
PID 568 wrote to memory of 2796	568	RegSvcs.exe	schtasks.exe
PID 568 wrote to memory of 2796	568	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\SIGNED PO CIF0245605.exe
"C:\Users\Admin\AppData\Local\Temp\SIGNED PO CIF0245605.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2536

C:\Users\Admin\i6364d4810\ttscsakex.exe
"C:\Users\Admin\i6364d4810\ttscsakex.exe" ejolicthg.lwn
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:872

C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
3⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:568

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp931B.tmp"
4⤵
- Creates scheduled task(s)
PID:2796

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp931B.tmp
Filesize
1KB

MD5
95aceabc58acad5d73372b0966ee1b35

SHA1
2293b7ad4793cf574b1a5220e85f329b5601040a

SHA256
8d9642e1c3cd1e0b5d1763de2fb5e605ba593e5a918b93eec15acbc5dcc48fd4

SHA512
00760dfc9d8caf357f0cee5336e5448a4cca18e32cc63e1a69c16e34fe00ea29acd5b2cf278e86c6f9c3e66a1b176d27ed927361848212e6bf1fade7d3d06e74

Download Submit
C:\Users\Admin\I6364D~1\limltghaa.cpl
Filesize
470KB

MD5
b90c3ac0da32743874f54d13f403fbe7

SHA1
8e28e8592090519c2788fd38545368b177823d34

SHA256
f60fc398ea5ff7d46e0d820775116756fbdc7b47ca1e8a02e3feb08ddfbe0aa0

SHA512
c6bc2f9c7451437cfccd5396bf51a70a71f0da61f0bc95e65cab03c96d1d5add751ba5d96dece83c217c4a389caae1914535d9120573a2431071921545244aa4

Download Submit
\Users\Admin\AppData\Local\Temp\RegSvcs.exe
Filesize
44KB

MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
\Users\Admin\i6364d4810\ttscsakex.exe
Filesize
646KB

MD5
a3e8113ff31e86152d4a384dab4ea102

SHA1
28cabe6b57d14f6dd47a880c51bc9726d017989f

SHA256
d06ea150b0a83b9cf2ef63fdafc9e79a23bfa004c9f42d526499329e0ab1c977

SHA512
f34d79e3984e819c2e86e9b75c27985f7f4d8696bd3bf18447b697e127db3f76c707369336925ae941f95053d4e83d1684356d479be2295114d654bb24efb290

Download Submit
memory/568-85-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/568-88-0x00000000003A0000-0x00000000013A0000-memory.dmp

Filesize
16.0MB

Download
memory/568-89-0x00000000003A0000-0x00000000013A0000-memory.dmp

Filesize
16.0MB

Download
memory/568-86-0x00000000003A0000-0x00000000013A0000-memory.dmp

Filesize
16.0MB

Download
memory/568-91-0x00000000003A0000-0x00000000003DA000-memory.dmp

Filesize
232KB

Download
memory/568-84-0x00000000003A0000-0x00000000013A0000-memory.dmp

Filesize
16.0MB

Download
memory/568-96-0x000000000B600000-0x000000000B60A000-memory.dmp

Filesize
40KB

Download
memory/568-98-0x000000000B680000-0x000000000B69E000-memory.dmp

Filesize
120KB

Download
memory/568-97-0x000000000B650000-0x000000000B65C000-memory.dmp

Filesize
48KB

Download
memory/568-99-0x000000000B660000-0x000000000B66A000-memory.dmp

Filesize
40KB

Download