fb8f0ad44b477f5baf24fa26a61296f61f5e6e3cc1141ec82978be3afdf02faa

Analysis

max time kernel
132s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
20/02/2024, 09:33

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General

Target

Valorant Optimization Pack - OGTech/4. Clean-Ups/Delete Thumbnail Cache.bat
Size

232B
MD5

5887f03adc7ffe40769d0246d457531d
SHA1

6681f82771048fb0ae405c02c7d8a06f08d77a4c
SHA256

4bf7497786206040924db5f8c2ee75b9466676a115c169657f620c287a92ae20
SHA512

2cfc53921eca548df790dc98f8622c9a322139f280a39c58e503b42b6000864f329632af42155af495363eefd75a67961a2e97f6336925767f4a6cf5e98341c0

Score

8^/10

persistence

Malware Config

Signatures

Modifies Installed Components in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Active Setup\Installed Components	explorer.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\installer\{ac76ba86-7ad7-1033-7b44-a90000000001}\pdffile_8.ico	explorer.exe

Delays execution with timeout.exe 2 IoCs

evasion

pid	Process
2712	timeout.exe
2676	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
2528	taskkill.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_Classes\Local Settings	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell	explorer.exe
Key created	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	explorer.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	explorer.exe

Suspicious use of AdjustPrivilegeToken 13 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	taskkill.exe
Token: SeShutdownPrivilege	2856	explorer.exe
Token: SeShutdownPrivilege	2856	explorer.exe
Token: SeShutdownPrivilege	2856	explorer.exe
Token: SeShutdownPrivilege	2856	explorer.exe
Token: SeShutdownPrivilege	2856	explorer.exe
Token: SeShutdownPrivilege	2856	explorer.exe
Token: SeShutdownPrivilege	2856	explorer.exe
Token: SeShutdownPrivilege	2856	explorer.exe
Token: SeShutdownPrivilege	2856	explorer.exe
Token: SeShutdownPrivilege	2856	explorer.exe
Token: SeShutdownPrivilege	2856	explorer.exe
Token: SeShutdownPrivilege	2856	explorer.exe

Suspicious use of FindShellTrayWindow 28 IoCs

pid	Process
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe

Suspicious use of SendNotifyMessage 17 IoCs

pid	Process
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe
2856	explorer.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2052 wrote to memory of 2528	2052	cmd.exe	29
PID 2052 wrote to memory of 2528	2052	cmd.exe	29
PID 2052 wrote to memory of 2528	2052	cmd.exe	29
PID 2052 wrote to memory of 2712	2052	cmd.exe	31
PID 2052 wrote to memory of 2712	2052	cmd.exe	31
PID 2052 wrote to memory of 2712	2052	cmd.exe	31
PID 2052 wrote to memory of 2676	2052	cmd.exe	32
PID 2052 wrote to memory of 2676	2052	cmd.exe	32
PID 2052 wrote to memory of 2676	2052	cmd.exe	32
PID 2052 wrote to memory of 2856	2052	cmd.exe	33
PID 2052 wrote to memory of 2856	2052	cmd.exe	33
PID 2052 wrote to memory of 2856	2052	cmd.exe	33

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Valorant Optimization Pack - OGTech\4. Clean-Ups\Delete Thumbnail Cache.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2052
- C:\Windows\system32\taskkill.exe
  taskkill /f /im explorer.exe
  2⤵
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:2528
- C:\Windows\system32\timeout.exe
  timeout 2 /nobreak
  2⤵
  - Delays execution with timeout.exe
  PID:2712
- C:\Windows\system32\timeout.exe
  timeout 2 /nobreak
  2⤵
  - Delays execution with timeout.exe
  PID:2676
- C:\Windows\explorer.exe
  explorer.exe
  2⤵
  - Modifies Installed Components in the registry
  - Drops file in Windows directory
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2856

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

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2856-24-0x0000000004370000-0x0000000004371000-memory.dmp

Filesize
4KB

Download
memory/2856-25-0x0000000004370000-0x0000000004371000-memory.dmp

Filesize
4KB

Download
memory/2856-53-0x00000000025D0000-0x00000000025E0000-memory.dmp

Filesize
64KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads