d514d46f084935189cef0a9be264edf003ab8b7acb0bb34bae3d69ac15adf2cc

Analysis

max time kernel
149s
max time network
151s
platform
windows10_x64
resource
win10v20201028
submitted
31/12/2020, 07:21

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General

Target
48d3a6f6395f252fae44cd8a13f6008a.exe
Size 407KB
Sample201231-sltvd68mms
SHA256 d514d46f084935189cef0a9be264edf003ab8b7acb0bb34bae3d69ac15adf2cc
MD5 48d3a6f6395f252fae44cd8a13f6008a
SHA1 648f3071c61a860e0e6835faf119fd08e49c9732
SHA512 5b73423f1339d3792edb274ad8175a48bb97db776759631e0d5ca00acc277d32d88d1df0cc76dab8f6b60a861f99e8b10466f3516f94fb74db931cc726b19da4
MD5 SHA1 SHA512

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
23	3836	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
3836	rundll32.exe

Creates scheduled task(s) 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1704	schtasks.exe
568	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1436	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3836	rundll32.exe
3836	rundll32.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 732 wrote to memory of 3140	732	48d3a6f6395f252fae44cd8a13f6008a.exe	78
PID 732 wrote to memory of 3140	732	48d3a6f6395f252fae44cd8a13f6008a.exe	78
PID 732 wrote to memory of 3140	732	48d3a6f6395f252fae44cd8a13f6008a.exe	78
PID 732 wrote to memory of 2900	732	48d3a6f6395f252fae44cd8a13f6008a.exe	79
PID 732 wrote to memory of 2900	732	48d3a6f6395f252fae44cd8a13f6008a.exe	79
PID 732 wrote to memory of 2900	732	48d3a6f6395f252fae44cd8a13f6008a.exe	79
PID 2900 wrote to memory of 1436	2900	cmd.exe	82
PID 2900 wrote to memory of 1436	2900	cmd.exe	82
PID 2900 wrote to memory of 1436	2900	cmd.exe	82
PID 3140 wrote to memory of 1336	3140	cmd.exe	83
PID 3140 wrote to memory of 1336	3140	cmd.exe	83
PID 3140 wrote to memory of 1336	3140	cmd.exe	83
PID 732 wrote to memory of 3084	732	48d3a6f6395f252fae44cd8a13f6008a.exe	84
PID 732 wrote to memory of 3084	732	48d3a6f6395f252fae44cd8a13f6008a.exe	84
PID 732 wrote to memory of 3084	732	48d3a6f6395f252fae44cd8a13f6008a.exe	84
PID 732 wrote to memory of 744	732	48d3a6f6395f252fae44cd8a13f6008a.exe	85
PID 732 wrote to memory of 744	732	48d3a6f6395f252fae44cd8a13f6008a.exe	85
PID 732 wrote to memory of 744	732	48d3a6f6395f252fae44cd8a13f6008a.exe	85
PID 3084 wrote to memory of 4088	3084	cmd.exe	88
PID 3084 wrote to memory of 4088	3084	cmd.exe	88
PID 3084 wrote to memory of 4088	3084	cmd.exe	88
PID 744 wrote to memory of 3836	744	cmd.exe	89
PID 744 wrote to memory of 3836	744	cmd.exe	89
PID 744 wrote to memory of 3836	744	cmd.exe	89
PID 2900 wrote to memory of 1704	2900	cmd.exe	90
PID 2900 wrote to memory of 1704	2900	cmd.exe	90
PID 2900 wrote to memory of 1704	2900	cmd.exe	90
PID 3836 wrote to memory of 2792	3836	rundll32.exe	91
PID 3836 wrote to memory of 2792	3836	rundll32.exe	91
PID 3836 wrote to memory of 2792	3836	rundll32.exe	91
PID 2792 wrote to memory of 568	2792	cmd.exe	93
PID 2792 wrote to memory of 568	2792	cmd.exe	93
PID 2792 wrote to memory of 568	2792	cmd.exe	93

C:\Users\Admin\AppData\Local\Temp\48d3a6f6395f252fae44cd8a13f6008a.exe
"C:\Users\Admin\AppData\Local\Temp\48d3a6f6395f252fae44cd8a13f6008a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:732
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C reg add "HKEY_CURRENT_USER\Software\NetHelper" /v path /t REG_SZ /d C:\ProgramData\NetHelper\Cache\YCZiNHHaxWOoGIjGGIMr /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3140
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKEY_CURRENT_USER\Software\NetHelper" /v path /t REG_SZ /d C:\ProgramData\NetHelper\Cache\YCZiNHHaxWOoGIjGGIMr /f
    3⤵
    PID:1336
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C timeout /t 60 && SCHTASKS /Create /SC MINUTE /MO 1 /TN "Service for windows Network Helper updates" /TR C:\ProgramData\NetHelper\Cache\YCZiNHHaxWOoGIjGGIMr\àÇïvnethelper.exe /F
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 60
    3⤵
    - Delays execution with timeout.exe
    PID:1436
- - C:\Windows\SysWOW64\schtasks.exe
    SCHTASKS /Create /SC MINUTE /MO 1 /TN "Service for windows Network Helper updates" /TR C:\ProgramData\NetHelper\Cache\YCZiNHHaxWOoGIjGGIMr\àÇïvnethelper.exe /F
    3⤵
    - Creates scheduled task(s)
    PID:1704
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C reg add "HKEY_CURRENT_USER\Software\NetHelper" /v library /t REG_SZ /d C:\ProgramData\NetHelper\Cache\YCZiNHHaxWOoGIjGGIMr\nethelper.dll /f && EXIT 0
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3084
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKEY_CURRENT_USER\Software\NetHelper" /v library /t REG_SZ /d C:\ProgramData\NetHelper\Cache\YCZiNHHaxWOoGIjGGIMr\nethelper.dll /f
    3⤵
    PID:4088
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C rundll32.exe C:\ProgramData\NetHelper\Cache\YCZiNHHaxWOoGIjGGIMr\nethelper.dll, UserModeExport
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:744
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\ProgramData\NetHelper\Cache\YCZiNHHaxWOoGIjGGIMr\nethelper.dll, UserModeExport
    3⤵
    - Blocklisted process makes network request
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3836
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\System32\cmd.exe /C SCHTASKS /Create /SC MINUTE /MO 1 /TN "Service for windows Network Helper updates" /TR C:\Users\Admin\AppData\Local\Temp\nethelper.exe /F
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2792
    - - C:\Windows\SysWOW64\schtasks.exe
        
        SCHTASKS /Create /SC MINUTE /MO 1 /TN "Service for windows Network Helper updates" /TR C:\Users\Admin\AppData\Local\Temp\nethelper.exe /F
        5⤵
        Creates scheduled task(s)
        
        PID:568

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/732-2-0x0000000004BB0000-0x0000000004BB1000-memory.dmp

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