nanocore | 6ed1dec3ae5496b6235fec6b539841c487f07c30e8f43bf0b16e1b72d4881957

General

Target

26a26eb8f02e73198e75453ca06445d45da4a11914011d545c7da0964323043b.exe
Size

357KB
MD5

84c86b461afe2a2a02392beee58313e1
SHA1

f362a9be8a825e0940c18fe9139c2517f6728575
SHA256

26a26eb8f02e73198e75453ca06445d45da4a11914011d545c7da0964323043b
SHA512

f0486af628753ca2a5fe8cad4f8139a11604361764db9840c9171b266d22aff0a942a9c92d0a252e5dc81c7e1388d0fa17e0212b9e29f4a82e893d4a6490de33
SSDEEP

6144:HNeZmC8pMv7OibcWkF+MeXbYpBpMqEVv138KeHMk7mP/9so2UL0dNCjJfGLR0:HNljJERMyEpNEVvcgwdNCjtGS

Score

10^/10

nanocore evasion keylogger persistence 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:

ragbwalbdm.exe

pid process

5072 ragbwalbdm.exe
Loads dropped DLL 1 IoCs

Processes:

ragbwalbdm.exe

pid process

1632 ragbwalbdm.exe

pid	process
5072	ragbwalbdm.exe

pid	process
1632	ragbwalbdm.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ragbwalbdm.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\hituptjfikw = "C:\\Users\\Admin\\AppData\\Roaming\\myniqcs\\qkhbxqocpo.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\ragbwalbdm.exe\""	ragbwalbdm.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

ragbwalbdm.exe

description ioc process

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

Processes:

ragbwalbdm.exe

description pid process target process

PID 5072 set thread context of 1632 5072 ragbwalbdm.exe ragbwalbdm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3404 5072 WerFault.exe ragbwalbdm.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

ragbwalbdm.exe

pid process

1632 ragbwalbdm.exe
1632 ragbwalbdm.exe
1632 ragbwalbdm.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

ragbwalbdm.exe

pid process

1632 ragbwalbdm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ragbwalbdm.exe

description pid process

Token: SeDebugPrivilege 1632 ragbwalbdm.exe

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

description	pid	process	target process
PID 5072 set thread context of 1632	5072	ragbwalbdm.exe	ragbwalbdm.exe

pid	pid_target	process	target process
3404	5072	WerFault.exe	ragbwalbdm.exe

pid	process
1632	ragbwalbdm.exe
1632	ragbwalbdm.exe
1632	ragbwalbdm.exe

pid	process
1632	ragbwalbdm.exe

description	pid	process
Token: SeDebugPrivilege	1632	ragbwalbdm.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

26a26eb8f02e73198e75453ca06445d45da4a11914011d545c7da0964323043b.exeragbwalbdm.exe

description	pid	process	target process
PID 4064 wrote to memory of 5072	4064	26a26eb8f02e73198e75453ca06445d45da4a11914011d545c7da0964323043b.exe	ragbwalbdm.exe
PID 4064 wrote to memory of 5072	4064	26a26eb8f02e73198e75453ca06445d45da4a11914011d545c7da0964323043b.exe	ragbwalbdm.exe
PID 4064 wrote to memory of 5072	4064	26a26eb8f02e73198e75453ca06445d45da4a11914011d545c7da0964323043b.exe	ragbwalbdm.exe
PID 5072 wrote to memory of 1632	5072	ragbwalbdm.exe	ragbwalbdm.exe
PID 5072 wrote to memory of 1632	5072	ragbwalbdm.exe	ragbwalbdm.exe
PID 5072 wrote to memory of 1632	5072	ragbwalbdm.exe	ragbwalbdm.exe
PID 5072 wrote to memory of 1632	5072	ragbwalbdm.exe	ragbwalbdm.exe

C:\Users\Admin\AppData\Local\Temp\26a26eb8f02e73198e75453ca06445d45da4a11914011d545c7da0964323043b.exe
"C:\Users\Admin\AppData\Local\Temp\26a26eb8f02e73198e75453ca06445d45da4a11914011d545c7da0964323043b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4064

C:\Users\Admin\AppData\Local\Temp\ragbwalbdm.exe
"C:\Users\Admin\AppData\Local\Temp\ragbwalbdm.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5072

C:\Users\Admin\AppData\Local\Temp\ragbwalbdm.exe
"C:\Users\Admin\AppData\Local\Temp\ragbwalbdm.exe"
3⤵
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5072 -s 644
3⤵
- Program crash
PID:3404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5072 -ip 5072
1⤵
PID:4132

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

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\nrxpksviur.kyy
Filesize
6KB

MD5
bce5ca75820b0d5e1279b9067c05da4f

SHA1
9248b8e6d81b49b7d58cc19468b8a63b0e79800b

SHA256
400fa3bf5cbcb75ec1319f40dd58d96f1409f32786090eab95c6a6639e881da7

SHA512
d12fcc8e54bcaaac93c092eb97e6a8668b7c6d40fc8f9cbca65a77014a1afa0cc82ea5fc8a84a9b34b8e3a807cf3bd76e919af35730768787d66a527c1cee1d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\ragbwalbdm.exe
Filesize
124KB

MD5
6c30bd1abe8602165d89ac12bc7b5dc3

SHA1
6a523a2244b1eeba57416dc3b8f91ea166d84c1b

SHA256
454ac440b820c6fc22867037aae0b963c323da63d116b4abc0a23b3d361c8aad

SHA512
5283b8177defe8f8bd5da87619d18b2518951ab3654a506363e4fb2bec0888d7ce2704fb5dc6cb8fde3964c722c44b5a4dc89c4e4df91ef5d217c28e093e6dac

Download Submit
C:\Users\Admin\AppData\Local\Temp\ragbwalbdm.exe
Filesize
124KB

MD5
6c30bd1abe8602165d89ac12bc7b5dc3

SHA1
6a523a2244b1eeba57416dc3b8f91ea166d84c1b

SHA256
454ac440b820c6fc22867037aae0b963c323da63d116b4abc0a23b3d361c8aad

SHA512
5283b8177defe8f8bd5da87619d18b2518951ab3654a506363e4fb2bec0888d7ce2704fb5dc6cb8fde3964c722c44b5a4dc89c4e4df91ef5d217c28e093e6dac

Download Submit
C:\Users\Admin\AppData\Local\Temp\ragbwalbdm.exe
Filesize
124KB

MD5
6c30bd1abe8602165d89ac12bc7b5dc3

SHA1
6a523a2244b1eeba57416dc3b8f91ea166d84c1b

SHA256
454ac440b820c6fc22867037aae0b963c323da63d116b4abc0a23b3d361c8aad

SHA512
5283b8177defe8f8bd5da87619d18b2518951ab3654a506363e4fb2bec0888d7ce2704fb5dc6cb8fde3964c722c44b5a4dc89c4e4df91ef5d217c28e093e6dac

Download Submit
C:\Users\Admin\AppData\Local\Temp\zqveubhtu.po
Filesize
280KB

MD5
7f6cbb6cfcda91ec274aa12c5119cf5f

SHA1
bcc5c4e09c371ff75bcb299bab60045588a4389f

SHA256
8461f62bc8bf1b2f9cef9e6947ac1d519f5810151f0040f27eca3001fd42b641

SHA512
8831f5dc6fe4da76b15d48c36e4c6b86396ebd5337fa10c382cf9a82fe0d5fdaffb8c8b62a8cdf7bf9fc140221cba2eac64eaf755e2ff38b73f60d726ec93d1f

Download Submit
memory/1632-137-0x0000000000000000-mapping.dmp

Download
memory/1632-139-0x0000000005A10000-0x0000000005FB4000-memory.dmp

Filesize
5.6MB

Download
memory/1632-140-0x0000000005500000-0x0000000005592000-memory.dmp

Filesize
584KB

Download
memory/1632-141-0x0000000005880000-0x000000000591C000-memory.dmp

Filesize
624KB

Download
memory/1632-142-0x0000000005870000-0x000000000587A000-memory.dmp

Filesize
40KB

Download
memory/5072-132-0x0000000000000000-mapping.dmp

Download

Analysis

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