657b2113c545a98733210f01cd3fecff8933a9da09c815ddb75792d22706d67c | Triage

Analysis

max time kernel
41s
max time network
48s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 17:00

Sharing

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General

Target

身份证号码批量升级/spec.dll
Size

68KB
MD5

8985d73f08638b4b48ecd30759c9e53f
SHA1

400a90c9eabeb94ae05e5036e21dc922b0c1ffad
SHA256

ae36aa74767f8122465bcc7c11dbf3328451bcc189c7aa9e59a0a58695fc8a85
SHA512

b97c0e2922f9cdfe8f0f01b4ddb261f0ffb29a91f769ebd3f86ea8bf058073068b49d4490ae2aa3cd25dfbef1db138b982c94a0dce484781a7c7551d7c3fa4b2
SSDEEP

1536:Mmw46ETnLFn4pSM+Mx3P+oX9AgKoT7e7BS:MmLJLFn4pSMVx3P+mNKoTAo

Score

1^/10

Malware Config

Signatures

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1228 wrote to memory of 2032	1228	rundll32.exe	rundll32.exe
PID 1228 wrote to memory of 2032	1228	rundll32.exe	rundll32.exe
PID 1228 wrote to memory of 2032	1228	rundll32.exe	rundll32.exe
PID 1228 wrote to memory of 2032	1228	rundll32.exe	rundll32.exe
PID 1228 wrote to memory of 2032	1228	rundll32.exe	rundll32.exe
PID 1228 wrote to memory of 2032	1228	rundll32.exe	rundll32.exe
PID 1228 wrote to memory of 2032	1228	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\身份证号码批量升级\spec.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\身份证号码批量升级\spec.dll,#1
  2⤵
  PID:2032

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2032-54-0x0000000000000000-mapping.dmp

Download
memory/2032-55-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download
memory/2032-56-0x0000000002000000-0x000000000211D000-memory.dmp

Filesize
1.1MB

Download