ce48b8ed76bcf4440ed4691d0f2009d25f8af5b1338ac92b9251e168af110154 | Triage

Analysis

max time kernel
366s
max time network
858s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
08/01/2023, 13:30

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General

Target

nis_full.exe
Size

1.6MB
MD5

99dd4797f8ef652df680e387b662ef5e
SHA1

12dfbedba2d3144392cd709991429c5342726a72
SHA256

ce48b8ed76bcf4440ed4691d0f2009d25f8af5b1338ac92b9251e168af110154
SHA512

2417f0e97fea413505fea112b6b4af350bed18234866aeb1cc17b414fe788295c5cb2d2a3f5f12f50bfe1729ccc370d0f9686a7cdb7c129c4faf6a8b8802955a
SSDEEP

49152:IjZgdnV8OHZGqNg66uVjhzbAfWt2evyNs:ImHZK/y93ke

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3504	mpsigstub.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1524	nis_full.exe
1524	nis_full.exe
3504	mpsigstub.exe
3504	mpsigstub.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 3504	1524	nis_full.exe	66
PID 1524 wrote to memory of 3504	1524	nis_full.exe	66

C:\Users\Admin\AppData\Local\Temp\nis_full.exe
"C:\Users\Admin\AppData\Local\Temp\nis_full.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Users\Admin\AppData\Local\Temp\{951B51EE-63BB-4ED0-BCD0-35B8C4759621}\mpsigstub.exe
  C:\Users\Admin\AppData\Local\Temp\{951B51EE-63BB-4ED0-BCD0-35B8C4759621}\mpsigstub.exe /stub 1.1.14500.5 /payload 119.0.0.0 /program C:\Users\Admin\AppData\Local\Temp\nis_full.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:3504

Network

MITRE ATT&CK Matrix

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Downloads

C:\Users\Admin\AppData\Local\Temp\{951B51EE-63BB-4ED0-BCD0-35B8C4759621}\mpsigstub.exe

Filesize
535KB

MD5
38d39de143de95b58244bbfbad1cf372

SHA1
a92fa1376c528b0a06f18b1166ced0ab9b9d3d11

SHA256
0bb339c22fb53e6bc8f8475590d8549f5432f45cf61337db15d0d2ff552324bb

SHA512
00e417d81fa3c9449d29c5f7f46c8ec85617b473a6929848f9dedc663f7e37e1cda1be840564d06611b1af4096cfc468c62ec7b8a5eb376277214af513055220

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