080940ef17d4bf4c73a74aae68aa876a19b12414996de59ee6c9535a3cef1c45 | Triage

Analysis

max time kernel
48s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
06-01-2023 19:24

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General

Target

CLTCHK01.dll
Size

81KB
MD5

e8fb8633b9d1a00a72c0c87157853318
SHA1

9c2f415b804c8db655e41c7d59ab20a357832aed
SHA256

080940ef17d4bf4c73a74aae68aa876a19b12414996de59ee6c9535a3cef1c45
SHA512

683087cf974c66c11830dc2238861db8f93ec46018f9f32f83a6a06a4d313f184eab19419c834d9c9f71490119643f608629c94c0362f5bee0971eea3e7ba5ac
SSDEEP

1536:BrSpfFDYzm+rEUYWnlYs1a0bGB+NXGJ1kOGPMoI1/:BrSbDWmCLn+0b4+1GJ1gP

Score

1^/10

Malware Config

Signatures

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1564 wrote to memory of 1216	1564	rundll32.exe	26
PID 1564 wrote to memory of 1216	1564	rundll32.exe	26
PID 1564 wrote to memory of 1216	1564	rundll32.exe	26
PID 1564 wrote to memory of 1216	1564	rundll32.exe	26
PID 1564 wrote to memory of 1216	1564	rundll32.exe	26
PID 1564 wrote to memory of 1216	1564	rundll32.exe	26
PID 1564 wrote to memory of 1216	1564	rundll32.exe	26

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\CLTCHK01.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1564
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\CLTCHK01.dll,#1
  2⤵
  PID:1216

Network

MITRE ATT&CK Matrix

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Downloads

memory/1216-54-0x0000000000000000-mapping.dmp

Download
memory/1216-55-0x0000000075681000-0x0000000075683000-memory.dmp

Filesize
8KB

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