d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4

Analysis

max time kernel
3s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
19/09/2022, 21:56

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General

Target

d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4.exe
Size

26KB
MD5

1628254a2a0e1ad9160f0f263e51d7d2
SHA1

123a768be7656a2673c90fe58e3a04e8836e6304
SHA256

d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4
SHA512

f0e87f72e10550b89f0050108da66c945fd524b757a4a5f4b7758f8468eab22426f6f5047a48342907b2867a9b599677901e095e6f674325214ebf728abedf5c
SSDEEP

384:DZyrOAVI7cfceEAQ1uLsH7tns5NxTwnstZ0rlDPBdrhMIQ0crqBCDS5oqGAEjpeV:DZJAGc3EdQC5nST9ihBMfryC25oIOZS

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1112	NTdhcp.exe

Deletes itself 1 IoCs

pid	Process
2016	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
688	d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4.exe
688	d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\NTdhcp.exe	d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4.exe
File opened for modification	C:\Windows\SysWOW64\NTdhcp.exe	d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4.exe
File opened for modification	C:\Windows\SysWOW64\NTdhcp.exe	NTdhcp.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Deleteme.bat	d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 688 wrote to memory of 1112	688	d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4.exe	28
PID 688 wrote to memory of 1112	688	d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4.exe	28
PID 688 wrote to memory of 1112	688	d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4.exe	28
PID 688 wrote to memory of 1112	688	d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4.exe	28
PID 688 wrote to memory of 2016	688	d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4.exe	29
PID 688 wrote to memory of 2016	688	d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4.exe	29
PID 688 wrote to memory of 2016	688	d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4.exe	29
PID 688 wrote to memory of 2016	688	d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4.exe	29

C:\Users\Admin\AppData\Local\Temp\d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4.exe
"C:\Users\Admin\AppData\Local\Temp\d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:688
- C:\Windows\SysWOW64\NTdhcp.exe
  C:\Windows\system32\NTdhcp.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:1112
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\Deleteme.bat
  2⤵
  - Deletes itself
  PID:2016

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\Deleteme.bat

Filesize
248B

MD5
ab65f0325b59c2e2ceb5e8e23334b049

SHA1
b13e360c7786ba00083a33f5e0c3acdffff84b43

SHA256
ff02e03f62d627c463c59f376a19bb849994c674609e2f54481aef2ce61d9c1d

SHA512
0fbd5a577ebb6840bd4abbf8c59728226bfd4a397752f227e4646ceed61ac80038db72af95589b07a0d5700c724b58ff736955110d807394cb0843897cef6252

Download Submit
C:\Windows\SysWOW64\NTdhcp.exe

Filesize
26KB

MD5
1628254a2a0e1ad9160f0f263e51d7d2

SHA1
123a768be7656a2673c90fe58e3a04e8836e6304

SHA256
d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4

SHA512
f0e87f72e10550b89f0050108da66c945fd524b757a4a5f4b7758f8468eab22426f6f5047a48342907b2867a9b599677901e095e6f674325214ebf728abedf5c

Download Submit
C:\Windows\SysWOW64\NTdhcp.exe

Filesize
26KB

MD5
1628254a2a0e1ad9160f0f263e51d7d2

SHA1
123a768be7656a2673c90fe58e3a04e8836e6304

SHA256
d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4

SHA512
f0e87f72e10550b89f0050108da66c945fd524b757a4a5f4b7758f8468eab22426f6f5047a48342907b2867a9b599677901e095e6f674325214ebf728abedf5c

Download Submit
\Windows\SysWOW64\NTdhcp.exe

Filesize
26KB

MD5
1628254a2a0e1ad9160f0f263e51d7d2

SHA1
123a768be7656a2673c90fe58e3a04e8836e6304

SHA256
d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4

SHA512
f0e87f72e10550b89f0050108da66c945fd524b757a4a5f4b7758f8468eab22426f6f5047a48342907b2867a9b599677901e095e6f674325214ebf728abedf5c

Download Submit
\Windows\SysWOW64\NTdhcp.exe

Filesize
26KB

MD5
1628254a2a0e1ad9160f0f263e51d7d2

SHA1
123a768be7656a2673c90fe58e3a04e8836e6304

SHA256
d3a6e3af7cfe1bd1ef67dfe5ba52af3cfa90b2908c1bbdca78156674c684bcb4

SHA512
f0e87f72e10550b89f0050108da66c945fd524b757a4a5f4b7758f8468eab22426f6f5047a48342907b2867a9b599677901e095e6f674325214ebf728abedf5c

Download Submit
memory/688-61-0x0000000000400000-0x0000000000416200-memory.dmp

Filesize
88KB

Download
memory/1112-59-0x0000000000400000-0x0000000000416200-memory.dmp

Filesize
88KB

Download