de50220b0d3ebdfbafd806cbabbdaa2096e5cc6c03fa2f950d9b8e1ed572a8da | Triage

Analysis

max time kernel
61s
max time network
11s
platform
windows7_x64
resource
win7v20201028
submitted
03-12-2020 05:44

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General

Target

sample.dll

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\rundll32.exe: $TASK	rundll32.exe
File opened for modification	C:\Windows\system32\rundll32.exe: $FILE	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1764	taskeng.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 1100	1764	taskeng.exe	30
PID 1764 wrote to memory of 1100	1764	taskeng.exe	30
PID 1764 wrote to memory of 1100	1764	taskeng.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\sample.dll,#1
1⤵
- Drops file in System32 directory
PID:1408

C:\Windows\system32\taskeng.exe
taskeng.exe {E5A4CBA4-C098-4744-A706-3D4BEE5A9B70} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Windows\system32\rundll32.exe
  C:\Windows\system32\rundll32.exe -u
  2⤵
  PID:1100

Network

MITRE ATT&CK Matrix

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Downloads