a206c8090b1b2b989256aa33b63fc0ff148c4b64ca020082c8c8439a22824faf

Analysis

max time kernel
121s
max time network
134s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21/08/2024, 00:32 UTC

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General

Target

NERO55/NERO/READHD32.dll
Size

17KB
MD5

1b2c53b3c6f9a182ebc820fcb853770d
SHA1

26e03bd3e4a31241ebb1b1f6c70079fc8f550820
SHA256

3489bfe6fba3035a251112375ba90ee0b11fe60a2bc8cbb18756cdc8cfaed96a
SHA512

3d6d4f4245b755a3b35096dd7db22ab4afd7d9728efdf58df806dda8a18cfaad8db94dc7250865cc00ec6e4520f582c0935d761e48c696e4316def859dd11f55
SSDEEP

192:lWyo7QZiJSBAB3nfZ2//fsuUNF7OVblPki74/qwk77fahd7VMEtTH/Y:lC7fJS+3BmfTzGhA74d7VfL/

Score

3^/10

discovery

Malware Config

Signatures

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	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 2948	2900	rundll32.exe	30
PID 2900 wrote to memory of 2948	2900	rundll32.exe	30
PID 2900 wrote to memory of 2948	2900	rundll32.exe	30
PID 2900 wrote to memory of 2948	2900	rundll32.exe	30
PID 2900 wrote to memory of 2948	2900	rundll32.exe	30
PID 2900 wrote to memory of 2948	2900	rundll32.exe	30
PID 2900 wrote to memory of 2948	2900	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\READHD32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NERO55\NERO\READHD32.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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