471f3fb1a953fab38be3081eb835574694bc72b94f239edc400d1ce3d7a8ecb0

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 03:03

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General

Target

a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234.exe
Size

246KB
MD5

7ec4fb3737e96c0aef2f98d20013dc5a
SHA1

4e8a042292c4ef20556d4aedf5b3ea0a29d2fbe7
SHA256

a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234
SHA512

849ab6bfd9f61a10d29b727e0bfcc7804653764e2d4a9a01515a48b6ff52e37fd1954715d8decb7bde819bf490563924c3d8e51dcaf8218c40852ffdf9d65eb8
SSDEEP

3072:6NBbOKnoIKE+Ypjf+MGtmhoWk6a1wKyPK:clmE5jfwWk6+wv

Score

9^/10

discovery persistence ransomware

Malware Config

Signatures

Renames multiple (154) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware
Deletes itself 1 IoCs

Processes:

mshta.exe

pid process

284 mshta.exe
Executes dropped EXE 1 IoCs

Processes:

trust.exe

pid process

868 trust.exe

pid	process
284	mshta.exe

pid	process
868	trust.exe

Loads dropped DLL 2 IoCs

Processes:

a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234.exe

pid	process
2420	a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234.exe
2420	a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

mshta.exetrust.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\SG = "C:\\Users\\Admin\\AppData\\Roaming\\trust.exe"	mshta.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\Read Me Please = "mshta.exe \"C:\\Users\\Admin\\Read Me Please.hta\""	trust.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234.exemshta.exetrust.exemshta.exemshta.exemshta.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	trust.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

Processes:

mshta.exemshta.exemshta.exemshta.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe
Key created	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Internet Explorer\Main	mshta.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234.exetrust.exe

description	pid	process	target process
PID 2420 wrote to memory of 868	2420	a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234.exe	trust.exe
PID 2420 wrote to memory of 868	2420	a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234.exe	trust.exe
PID 2420 wrote to memory of 868	2420	a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234.exe	trust.exe
PID 2420 wrote to memory of 868	2420	a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234.exe	trust.exe
PID 2420 wrote to memory of 284	2420	a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234.exe	mshta.exe
PID 2420 wrote to memory of 284	2420	a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234.exe	mshta.exe
PID 2420 wrote to memory of 284	2420	a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234.exe	mshta.exe
PID 2420 wrote to memory of 284	2420	a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234.exe	mshta.exe
PID 868 wrote to memory of 2364	868	trust.exe	mshta.exe
PID 868 wrote to memory of 2364	868	trust.exe	mshta.exe
PID 868 wrote to memory of 2364	868	trust.exe	mshta.exe
PID 868 wrote to memory of 2364	868	trust.exe	mshta.exe
PID 868 wrote to memory of 2248	868	trust.exe	mshta.exe
PID 868 wrote to memory of 2248	868	trust.exe	mshta.exe
PID 868 wrote to memory of 2248	868	trust.exe	mshta.exe
PID 868 wrote to memory of 2248	868	trust.exe	mshta.exe
PID 868 wrote to memory of 2204	868	trust.exe	mshta.exe
PID 868 wrote to memory of 2204	868	trust.exe	mshta.exe
PID 868 wrote to memory of 2204	868	trust.exe	mshta.exe
PID 868 wrote to memory of 2204	868	trust.exe	mshta.exe

C:\Users\Admin\AppData\Local\Temp\a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234.exe
"C:\Users\Admin\AppData\Local\Temp\a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Users\Admin\AppData\Roaming\trust.exe
  "C:\Users\Admin\AppData\Roaming\trust.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:868
- - C:\Windows\SysWOW64\mshta.exe
    mshta.exe "javascript:o=new ActiveXObject('WScript.Shell');setInterval(function(){try{o.RegWrite('HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\RunOnce\\SG','C:\\Users\\Admin\\AppData\\Roaming\\trust.exe');}catch(e){}},10);"
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    PID:2364
- - C:\Windows\SysWOW64\mshta.exe
    mshta.exe "C:\Users\Admin\Read Me Please.hta"
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    PID:2248
- - C:\Windows\SysWOW64\mshta.exe
    mshta.exe "javascript:o=new ActiveXObject('Scripting.FileSystemObject');setInterval(function(){try{o.DeleteFile('C:\\Users\\Admin\\AppData\\Roaming\\trust.exe');close()}catch(e){}},10);"
    3⤵
    - System Location Discovery: System Language Discovery
    - Modifies Internet Explorer settings
    PID:2204
- C:\Windows\SysWOW64\mshta.exe
  mshta.exe "javascript:o=new ActiveXObject('Scripting.FileSystemObject');setInterval(function(){try{o.DeleteFile('C:\\Users\\Admin\\AppData\\Local\\Temp\\A42252~1.EXE');close()}catch(e){}},10);"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  PID:284

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Documents\UnblockPush.xlsx.zendrz

Filesize
13KB

MD5
91260b4341b2c39a1816347a35795dfb

SHA1
90bdfd8b3c924cb6b2cc35d6ea90f1567e1ce13b

SHA256
052680afe26dd7b07305e75566e48ec9d42cde83210ce91b208de20c53910818

SHA512
459d03878103977c46e0f8ee9a6fc1dce08e55c55910ad82202bbafd7dcf0cedbbadd0fc4036f8da02be4551babed892571e5b8776c4ada32fe555c3bc058f39

Download Submit
C:\Users\Admin\Favorites\Links for United States\Read Me Please.hta

Filesize
3KB

MD5
9a5d76d370674fe246720b0f5c10b39c

SHA1
8ec7318698e51e6cc888545e7015bbec9fd55026

SHA256
32f64a75aa7d11efda067f4a0842a110789bc23cd01d44abcb0349759079967c

SHA512
ff6cbebe9c891d58eb41a75e218749154dfff76c8fe6ef669055ed8c65803b25a3ced8351e96f1362e38675198292a6d88aefd56b93deb109451dfb95e8a9d6c

Download Submit
C:\vcredist2010_x86.log.html.zendrz

Filesize
82KB

MD5
837375c31548ddae06fdd7c1e3c1076d

SHA1
cebe6e334e82bc6072ddb05623abeb2db102378c

SHA256
4460be824ddc7427d1d4f121ba019d74c1566c00fefb7af18f6cb46e15ac1b2b

SHA512
657e9eb22bf08daee088c2b33d1043477f2cf76fe06bb75b398158f60b3d2490f1fb69a8d6bf4d8696b2095bfb0942bcade8631fa910adf550fb666a62e63b71

Download Submit
\Users\Admin\AppData\Roaming\trust.exe

Filesize
246KB

MD5
7ec4fb3737e96c0aef2f98d20013dc5a

SHA1
4e8a042292c4ef20556d4aedf5b3ea0a29d2fbe7

SHA256
a42252e674a09a0b689e71c88f59969f538a473da647cc4eb5457a5d5e03a234

SHA512
849ab6bfd9f61a10d29b727e0bfcc7804653764e2d4a9a01515a48b6ff52e37fd1954715d8decb7bde819bf490563924c3d8e51dcaf8218c40852ffdf9d65eb8

Download Submit
memory/868-496-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2420-9-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download