7a7d759f5ef31d2096cd341e778cc975da6c76f1989dba2c9623ed651189b7c4

Analysis

max time kernel
140s
max time network
205s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2023, 14:20

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General

Target

ChangeIt211/InstMsiW.exe
Size

1.7MB
MD5

d0ef61e0a6eb919ba51229d14c3ef5d5
SHA1

1a924a2174265c6528a37ead0cfab1ca1a6feda0
SHA256

242daf8aeb1c8b1298316b6daeaac56a30ae48b199b759ba1e1d577bfefd61ab
SHA512

63d452615035b854d43bf30866bdd2c6b6daf4b783c1dbf90d180cdca6f52e5d15eb69458034d9773faf291c900fd70d1a00d0b14a5bef5685d9c2bd8eea72c4
SSDEEP

24576:SX3JecjJ/NoZytdDRx6uF9ngsHJ3TMQo1IfZ8Cu56xfWOfvo9wauZZHqeC/M4A++:SX3kANXVxq6y1YK7Y5WAvQwZZKeCk

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2304	msiinst.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\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	InstMsiW.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 2304	4536	InstMsiW.exe	88
PID 4536 wrote to memory of 2304	4536	InstMsiW.exe	88
PID 4536 wrote to memory of 2304	4536	InstMsiW.exe	88

C:\Users\Admin\AppData\Local\Temp\ChangeIt211\InstMsiW.exe
"C:\Users\Admin\AppData\Local\Temp\ChangeIt211\InstMsiW.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4536
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\msiinst.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\msiinst.exe /i instmsi.msi MSIEXECREG=1 /m /qb+!
  2⤵
  - Executes dropped EXE
  PID:2304

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\msiinst.exe

Filesize
49KB

MD5
41c714021c92086e80b0b57dd1e634fb

SHA1
60f86c8ce8fa4bea23d7ca4c4f01e33d63b5990c

SHA256
a6f1b26eeb1de06f319bbe0f5e4bed4af9c708a9d4f3e574eea924b29ebd5001

SHA512
81c4d3b826f2f715e03edf2c65dbb9f00990b5a8fa40eef5531fe1b656cf5dbcf5a45a86e8a903980c07624b84841f34597c716067fe5cc662ad69ed5cbd09a7

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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\msiinst.exe

Filesize
49KB

MD5
41c714021c92086e80b0b57dd1e634fb

SHA1
60f86c8ce8fa4bea23d7ca4c4f01e33d63b5990c

SHA256
a6f1b26eeb1de06f319bbe0f5e4bed4af9c708a9d4f3e574eea924b29ebd5001

SHA512
81c4d3b826f2f715e03edf2c65dbb9f00990b5a8fa40eef5531fe1b656cf5dbcf5a45a86e8a903980c07624b84841f34597c716067fe5cc662ad69ed5cbd09a7

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads