c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0

Analysis

max time kernel
157s
max time network
192s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2022, 21:34

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General

Target

c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
Size

163KB
MD5

3b874ede990900d41493ff6abea5aa88
SHA1

d30a8ea2bec85e6ca83047b5bff7e13c14067df7
SHA256

c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0
SHA512

c169f82a11a09576644c73c0cbbb39611ac55c01f80c0ceebc1da23ec4bbfe33401aa9f9fbc04da6ba2e97f01501627c3f69e77d4f65f77527763dc79bff2f95
SSDEEP

768:jZKM11gG4ChfiPO0rfz0shcUypMC5/VKhZyg3iepFV2DIQqSO2qW:gMDgG4ChfiPOefgsOUqQwgG

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\fndfst32 = "C:\\Windows\\System\\fndfst32.exe"	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Explorer Shell = "C:\\Windows\\System\\Explorer.exe"	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\System applets = "C:\\Windows\\System\\applets.exe"	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Syssrc32 = "C:\\Windows\\Syssrc32.exe"	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe

Drops file in Windows directory 14 IoCs

description	ioc	Process
File created	C:\Windows\Help\intret.cnt	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
File opened for modification	C:\Windows\System\Sysexp32.exe	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
File opened for modification	C:\Windows\System\applets.exe	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
File opened for modification	C:\Windows\System\mplayerw.exe	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
File created	C:\Windows\System\applets.exe	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
File opened for modification	C:\Windows\System\Explorer.exe	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
File created	C:\Windows\System\Explorer.exe	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
File opened for modification	C:\Windows\Help\intret.cnt	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
File created	C:\Windows\System\Sysexp32.exe	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
File created	C:\Windows\System\mplayerw.exe	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
File opened for modification	C:\Windows\Syssrc32.exe	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
File created	C:\Windows\System\fndfst32.exe	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
File created	C:\Windows\Syssrc32.exe	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
File opened for modification	C:\Windows\System\fndfst32.exe	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4464	1948	WerFault.exe	83

Modifies registry class 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Windows\\System\\Sysexp32.exe %1"	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\Explore = "%SystemRoot%\\SysWow64\\NOTEPAD.EXE %1"	c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe

C:\Users\Admin\AppData\Local\Temp\c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe
"C:\Users\Admin\AppData\Local\Temp\c432525d97cdc20eeac8022e17cc1fe1f100f1b36d95df91838979c28ba8bfa0.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies registry class
PID:1948
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 344
  2⤵
  - Program crash
  PID:4464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1948 -ip 1948
1⤵
PID:4060

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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