bcfce76db4baa496bdf4566fa196665546a56d42eb8e29219c61e1fd27403403

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
28/01/2024, 12:14

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General

Target

7d190f333b8a42845e1455a439779504.exe
Size

22KB
MD5

7d190f333b8a42845e1455a439779504
SHA1

bf132c044d0b6e8823516be406baa7185ac05c8b
SHA256

bcfce76db4baa496bdf4566fa196665546a56d42eb8e29219c61e1fd27403403
SHA512

f9ecab40d6a41d837c3dd883705a8a8418619699f4eba3d843115ba6e94a390483028735a74642b0805b1f5ce9e0a1a10e9af3414859ba53cce9a01a51204a1c
SSDEEP

384:qNLGmTyfkn9f+MD/QswTKqs51qFR8htNc97NDG3HalEjE3MP9itgh1Tmj1K9DY54:qNLGKPYswTO5aRIc97N+aWo34oghQ1Kv

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2176	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2876	NTdhcp.exe

Loads dropped DLL 2 IoCs

pid	Process
2380	7d190f333b8a42845e1455a439779504.exe
2380	7d190f333b8a42845e1455a439779504.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\NTdhcp = "C:\\Windows\\system32\\NTdhcp.exe"	7d190f333b8a42845e1455a439779504.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\NTdhcp.exe	7d190f333b8a42845e1455a439779504.exe
File opened for modification	C:\Windows\SysWOW64\NTdhcp.exe	7d190f333b8a42845e1455a439779504.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	7d190f333b8a42845e1455a439779504.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2876	2380	7d190f333b8a42845e1455a439779504.exe	28
PID 2380 wrote to memory of 2876	2380	7d190f333b8a42845e1455a439779504.exe	28
PID 2380 wrote to memory of 2876	2380	7d190f333b8a42845e1455a439779504.exe	28
PID 2380 wrote to memory of 2876	2380	7d190f333b8a42845e1455a439779504.exe	28
PID 2380 wrote to memory of 2176	2380	7d190f333b8a42845e1455a439779504.exe	30
PID 2380 wrote to memory of 2176	2380	7d190f333b8a42845e1455a439779504.exe	30
PID 2380 wrote to memory of 2176	2380	7d190f333b8a42845e1455a439779504.exe	30
PID 2380 wrote to memory of 2176	2380	7d190f333b8a42845e1455a439779504.exe	30

C:\Users\Admin\AppData\Local\Temp\7d190f333b8a42845e1455a439779504.exe
"C:\Users\Admin\AppData\Local\Temp\7d190f333b8a42845e1455a439779504.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Windows\SysWOW64\NTdhcp.exe
  C:\Windows\system32\NTdhcp.exe
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:2876
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\Deleteme.bat
  2⤵
  - Deletes itself
  PID:2176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Deleteme.bat

Filesize
184B

MD5
a9e211cc1f6a93e76ecf658732ec8f8e

SHA1
e1fc82f690cc0536546cb7fb12dd37dfb157a053

SHA256
d5577a8b5f1d5d1f42f92899ed36d03efba3a4653fe8d5c85b3ad0ac80ec7aaa

SHA512
b520f46af1656e908860a1f44bc219d45daa7231493f368dc209838129e79e8d3dcd0548e4fff8ef61928c8d274f5b1f2e7a368daf51ce09823ccd2a03b7bb6b

Download Submit
\Windows\SysWOW64\NTdhcp.exe

Filesize
22KB

MD5
7d190f333b8a42845e1455a439779504

SHA1
bf132c044d0b6e8823516be406baa7185ac05c8b

SHA256
bcfce76db4baa496bdf4566fa196665546a56d42eb8e29219c61e1fd27403403

SHA512
f9ecab40d6a41d837c3dd883705a8a8418619699f4eba3d843115ba6e94a390483028735a74642b0805b1f5ce9e0a1a10e9af3414859ba53cce9a01a51204a1c

Download Submit
memory/2380-2-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2380-21-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download
memory/2380-11-0x0000000000230000-0x0000000000241000-memory.dmp

Filesize
68KB

Download
memory/2380-4-0x0000000000230000-0x0000000000241000-memory.dmp

Filesize
68KB

Download
memory/2876-14-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads