c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 10:59

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General

Target

c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
Size

60KB
MD5

6f343cb8a95b2d71ebf8862d27a4bfe3
SHA1

ed935256b791b794d0f66d29f1ac0bb4ce553898
SHA256

c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206
SHA512

b2fb1c5fc6f89a8c406ac0e801f77f66cb8daed05297933f7e0abd844d99f191df16c59883ed76a7c7975e3a9f263df8884e7c3f314783e318d94a6951923645
SSDEEP

768:ltT2yrM1VDTolkcHTa6Qy0sOF8P4V7wmdUm1a8kz0:3UPo5wF8PgZP1al0

Score

6^/10

persistence

Malware Config

Signatures

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\System Upgrade Assistant = "explorer \"C:\\Users\\Admin\\Documents\\msedge.exe\""	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe

Blocklisted process makes network request 4 IoCs

flow	pid	Process
37	4552	msiexec.exe
43	4552	msiexec.exe
57	4552	msiexec.exe
62	4552	msiexec.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2432	4552	WerFault.exe	95

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
4552	msiexec.exe
4552	msiexec.exe
4552	msiexec.exe
4552	msiexec.exe
4552	msiexec.exe
4552	msiexec.exe
4552	msiexec.exe
4552	msiexec.exe
4552	msiexec.exe
4552	msiexec.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 4552	548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe	95
PID 548 wrote to memory of 4552	548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe	95
PID 548 wrote to memory of 4552	548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe	95
PID 548 wrote to memory of 4552	548	c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe	95

C:\Users\Admin\AppData\Local\Temp\c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe
"C:\Users\Admin\AppData\Local\Temp\c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:548
- C:\Windows\SysWOW64\msiexec.exe
  C:\Windows\system32\msiexec.exe -Puppet
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  PID:4552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4552 -s 1588
    3⤵
    - Program crash
    PID:2432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4552 -ip 4552
1⤵
PID:384

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:\Users\Admin\Documents\msedge.exe

Filesize
60KB

MD5
6f343cb8a95b2d71ebf8862d27a4bfe3

SHA1
ed935256b791b794d0f66d29f1ac0bb4ce553898

SHA256
c524ec2c2fdf9acee447cca432634ca26396594cd83c078ad6092bbfda58c206

SHA512
b2fb1c5fc6f89a8c406ac0e801f77f66cb8daed05297933f7e0abd844d99f191df16c59883ed76a7c7975e3a9f263df8884e7c3f314783e318d94a6951923645

Download Submit
memory/548-0-0x0000000002850000-0x000000000289E000-memory.dmp

Filesize
312KB

Download
memory/548-1-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/548-9-0x0000000077421000-0x0000000077541000-memory.dmp

Filesize
1.1MB

Download