nanocore | e498b7a3b8c47519121d0f94bca46d9d4f4611a348377a1070cad78745e4f1b2

General

Target

Setup.exe
Size

21.0MB
MD5

8d2c812110771a601b50c35fc8566deb
SHA1

93d2c215490b9abc362e17a4bab459675828b9e4
SHA256

29dac6dc31f1359a11ebc13f86797b40f8d0c98f5f5a044541479926b37391f2
SHA512

2549842a0ed61d71e91e9e46e0ef7b2b629a059dd72c969a2a5236dd164c457bfb012efc410a41d5c88c1424d7205096fbba55f67826ae8884462b25f20177c0
SSDEEP

12288:LaWzgMg7v3qnCiMErQohh0F4CCJ8lny/QySARMgp77:+aHMv6Corjqny/QyxKe7

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Executes dropped EXE 1 IoCs

Processes:

winx86.exe

pid process

1632 winx86.exe
Loads dropped DLL 5 IoCs

Processes:

Setup.exewinx86.exe

pid process

1500 Setup.exe
1500 Setup.exe
1632 winx86.exe
1632 winx86.exe
1632 winx86.exe

pid	process
1632	winx86.exe

pid	process
1500	Setup.exe
1500	Setup.exe
1632	winx86.exe
1632	winx86.exe
1632	winx86.exe

AutoIT Executable 7 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\winx86.exe	autoit_exe
\Users\Admin\AppData\Roaming\winx86.exe	autoit_exe
C:\Users\Admin\AppData\Roaming\winx86.exe	autoit_exe
\Users\Admin\AppData\Roaming\winx86.exe	autoit_exe
\Users\Admin\AppData\Roaming\winx86.exe	autoit_exe
\Users\Admin\AppData\Roaming\winx86.exe	autoit_exe
C:\Users\Admin\AppData\Roaming\winx86.exe	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

winx86.exe

description pid process target process

PID 1632 set thread context of 1476 1632 winx86.exe RegAsm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
NTFS ADS 1 IoCs

Processes:

Setup.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\winx86.exe:Zone.Identifier:$DATA Setup.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

winx86.exe

pid process

1632 winx86.exe

description	pid	process	target process
PID 1632 set thread context of 1476	1632	winx86.exe	RegAsm.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\winx86.exe:Zone.Identifier:$DATA	Setup.exe

pid	process
1632	winx86.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

Setup.exewinx86.exe

description	pid	process	target process
PID 1500 wrote to memory of 1632	1500	Setup.exe	winx86.exe
PID 1500 wrote to memory of 1632	1500	Setup.exe	winx86.exe
PID 1500 wrote to memory of 1632	1500	Setup.exe	winx86.exe
PID 1500 wrote to memory of 1632	1500	Setup.exe	winx86.exe
PID 1500 wrote to memory of 1632	1500	Setup.exe	winx86.exe
PID 1500 wrote to memory of 1632	1500	Setup.exe	winx86.exe
PID 1500 wrote to memory of 1632	1500	Setup.exe	winx86.exe
PID 1632 wrote to memory of 1476	1632	winx86.exe	RegAsm.exe
PID 1632 wrote to memory of 1476	1632	winx86.exe	RegAsm.exe
PID 1632 wrote to memory of 1476	1632	winx86.exe	RegAsm.exe
PID 1632 wrote to memory of 1476	1632	winx86.exe	RegAsm.exe
PID 1632 wrote to memory of 1476	1632	winx86.exe	RegAsm.exe
PID 1632 wrote to memory of 1476	1632	winx86.exe	RegAsm.exe
PID 1632 wrote to memory of 1476	1632	winx86.exe	RegAsm.exe
PID 1632 wrote to memory of 1476	1632	winx86.exe	RegAsm.exe
PID 1632 wrote to memory of 1476	1632	winx86.exe	RegAsm.exe
PID 1632 wrote to memory of 1476	1632	winx86.exe	RegAsm.exe
PID 1632 wrote to memory of 1476	1632	winx86.exe	RegAsm.exe
PID 1632 wrote to memory of 1476	1632	winx86.exe	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Loads dropped DLL
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:1500

C:\Users\Admin\AppData\Roaming\winx86.exe
C:\Users\Admin\AppData\Roaming\winx86.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1632

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
3⤵
PID:1476

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\OBZWEOSeYTXN
Filesize
217KB

MD5
ed8c4ab837c35cda702208adcfae397f

SHA1
f1c6368f8272d42d8a64685d5075e68ae6d672d9

SHA256
50f12c6d39af77b5567226341c5266430981ee4c2fa173abca1ec45573350448

SHA512
e8ce61cf03221ac6d34d7c116419a8a095c17396ad9e021d395ee07cd7489b649a666fccc526e8aaeca4c59cb4e7ffedd7e9cf59f6f7ede039bf1b42a3adf219

Download Submit
C:\Users\Admin\AppData\Roaming\winx86.exe
Filesize
21.0MB

MD5
8d2c812110771a601b50c35fc8566deb

SHA1
93d2c215490b9abc362e17a4bab459675828b9e4

SHA256
29dac6dc31f1359a11ebc13f86797b40f8d0c98f5f5a044541479926b37391f2

SHA512
2549842a0ed61d71e91e9e46e0ef7b2b629a059dd72c969a2a5236dd164c457bfb012efc410a41d5c88c1424d7205096fbba55f67826ae8884462b25f20177c0

Download Submit
C:\Users\Admin\AppData\Roaming\winx86.exe
Filesize
20.4MB

MD5
c5a6830206afafde6dd4f0760cfe521c

SHA1
20d862324a176a41111215494e4fc7d4fbbe8048

SHA256
965caca89d926d0a3f7106f85545077dcc54e7a1a5d2ae2bcb58249be5abb7c7

SHA512
05034a2632883cf3f19a9c4fe3cb2a38cf56689bad09227faf43c3afe6d61f948979651c4e12b3959ed10057c21e2de2eb56148ecbdb578b0cbe0cdbc15c9048

Download Submit
\Users\Admin\AppData\Roaming\winx86.exe
Filesize
21.0MB

MD5
8d2c812110771a601b50c35fc8566deb

SHA1
93d2c215490b9abc362e17a4bab459675828b9e4

SHA256
29dac6dc31f1359a11ebc13f86797b40f8d0c98f5f5a044541479926b37391f2

SHA512
2549842a0ed61d71e91e9e46e0ef7b2b629a059dd72c969a2a5236dd164c457bfb012efc410a41d5c88c1424d7205096fbba55f67826ae8884462b25f20177c0

Download Submit
\Users\Admin\AppData\Roaming\winx86.exe
Filesize
21.0MB

MD5
8d2c812110771a601b50c35fc8566deb

SHA1
93d2c215490b9abc362e17a4bab459675828b9e4

SHA256
29dac6dc31f1359a11ebc13f86797b40f8d0c98f5f5a044541479926b37391f2

SHA512
2549842a0ed61d71e91e9e46e0ef7b2b629a059dd72c969a2a5236dd164c457bfb012efc410a41d5c88c1424d7205096fbba55f67826ae8884462b25f20177c0

Download Submit
\Users\Admin\AppData\Roaming\winx86.exe
Filesize
20.4MB

MD5
c5a6830206afafde6dd4f0760cfe521c

SHA1
20d862324a176a41111215494e4fc7d4fbbe8048

SHA256
965caca89d926d0a3f7106f85545077dcc54e7a1a5d2ae2bcb58249be5abb7c7

SHA512
05034a2632883cf3f19a9c4fe3cb2a38cf56689bad09227faf43c3afe6d61f948979651c4e12b3959ed10057c21e2de2eb56148ecbdb578b0cbe0cdbc15c9048

Download Submit
\Users\Admin\AppData\Roaming\winx86.exe
Filesize
16.2MB

MD5
2f7fcbc8b89ff213720da727cfab4e7a

SHA1
982de091f60ca2a7369d93723404158de46bd60d

SHA256
861d091d4aba9984dab9636b399262cf83b75d73a3f2daf47571244138f63d88

SHA512
795df0ec48289cb9f2e6eb71e17ba8727bcf1ad139156e760840055223b7304dc7193d88b78e5c146b0ebbeefbfbce8e9bcf13437b7a7315ecc4a72418e80c73

Download Submit
\Users\Admin\AppData\Roaming\winx86.exe
Filesize
20.4MB

MD5
c5a6830206afafde6dd4f0760cfe521c

SHA1
20d862324a176a41111215494e4fc7d4fbbe8048

SHA256
965caca89d926d0a3f7106f85545077dcc54e7a1a5d2ae2bcb58249be5abb7c7

SHA512
05034a2632883cf3f19a9c4fe3cb2a38cf56689bad09227faf43c3afe6d61f948979651c4e12b3959ed10057c21e2de2eb56148ecbdb578b0cbe0cdbc15c9048

Download Submit
memory/1476-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1476-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1476-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1476-71-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1476-70-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1476-72-0x000000000043432E-mapping.dmp

Download
memory/1500-54-0x0000000075B41000-0x0000000075B43000-memory.dmp

Filesize
8KB

Download
memory/1632-57-0x0000000000000000-mapping.dmp

Download

Analysis

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