a206c8090b1b2b989256aa33b63fc0ff148c4b64ca020082c8c8439a22824faf

Analysis

max time kernel
9s
max time network
29s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
20-08-2024 23:58

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General

Target

NERO55/NERO/NEROSHX.dll
Size

228KB
MD5

5879e8b0ae0473edf8545bd35e7c218a
SHA1

487cbc9eb719258271992a458dfc88724c2f7faf
SHA256

a5415995b0117bed3f54ca3aab00e8501c9a68471ba726e9c6dd4bdab6b92aa1
SHA512

a5f652c63df0217ad8f4f7d50cb2553e30e4820018eaf71f18f56441b560634136f7f901dbae243f25297243bf86766a3520ed54577ff2b0dd9de4a6bf6bb909
SSDEEP

3072:4DnmW340h3+wM2x3l8C/3VPzJ4Db8vJov/OM5HpDRFkIyN9qAgOjVVuQV/Q:4DnmH0Yg3uC/33MtZkIyN9qujVoMQ

Score

6^/10

discovery

Malware Config

Signatures

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\H:	regsvr32.exe
File opened (read-only)	\??\P:	regsvr32.exe
File opened (read-only)	\??\V:	regsvr32.exe
File opened (read-only)	\??\X:	regsvr32.exe
File opened (read-only)	\??\W:	regsvr32.exe
File opened (read-only)	\??\Y:	regsvr32.exe
File opened (read-only)	\??\B:	regsvr32.exe
File opened (read-only)	\??\E:	regsvr32.exe
File opened (read-only)	\??\J:	regsvr32.exe
File opened (read-only)	\??\M:	regsvr32.exe
File opened (read-only)	\??\Q:	regsvr32.exe
File opened (read-only)	\??\T:	regsvr32.exe
File opened (read-only)	\??\I:	regsvr32.exe
File opened (read-only)	\??\K:	regsvr32.exe
File opened (read-only)	\??\L:	regsvr32.exe
File opened (read-only)	\??\O:	regsvr32.exe
File opened (read-only)	\??\U:	regsvr32.exe
File opened (read-only)	\??\A:	regsvr32.exe
File opened (read-only)	\??\G:	regsvr32.exe
File opened (read-only)	\??\N:	regsvr32.exe
File opened (read-only)	\??\R:	regsvr32.exe
File opened (read-only)	\??\S:	regsvr32.exe
File opened (read-only)	\??\Z:	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Nero Shell Extension Property Sheet	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E9D3540-211C-11D0-A5F2-00A0248C37BE}\ = "Nero Shell Extension Property Sheet"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Nero Shell Extension Property Sheet\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Nero Shell Extension Property Sheet\CLSID\ = "{2E9D3540-211C-11D0-A5F2-00A0248C37BE}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E9D3540-211C-11D0-A5F2-00A0248C37BE}\InProcServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E9D3540-211C-11D0-A5F2-00A0248C37BE}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\NERO55\\NERO\\NEROSHX.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Nero Shell Extension Property Sheet\ = "Nero Shell Extension Property Sheet"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E9D3540-211C-11D0-A5F2-00A0248C37BE}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E9D3540-211C-11D0-A5F2-00A0248C37BE}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{2E9D3540-211C-11D0-A5F2-00A0248C37BE}\ProgID\ = "Nero Shell Extension Property Sheet"	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2084	2908	regsvr32.exe	29
PID 2908 wrote to memory of 2084	2908	regsvr32.exe	29
PID 2908 wrote to memory of 2084	2908	regsvr32.exe	29
PID 2908 wrote to memory of 2084	2908	regsvr32.exe	29
PID 2908 wrote to memory of 2084	2908	regsvr32.exe	29
PID 2908 wrote to memory of 2084	2908	regsvr32.exe	29
PID 2908 wrote to memory of 2084	2908	regsvr32.exe	29

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROSHX.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\NEROSHX.dll
  2⤵
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:2084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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