1473050bbfaaccabbc5429d25b37bbeaf0d73eb39706e9b01d88494704447ded

Analysis

max time kernel
146s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-03-2024 23:01

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General

Target

Windows/PCToaster/PCToaster.exe
Size

411KB
MD5

04251a49a240dbf60975ac262fc6aeb7
SHA1

e211ca63af2ab85ffab1e5fbbdf28a4ef8f77de0
SHA256

85a58aa96dccd94316a34608ba996656a22c8158d5156b6e454d9d69e6ff38c3
SHA512

3422a231e1dadb68d3567a99d46791392ecf5883fd3bbc2cae19a595364dac46e4b2712db70b61b488937d906413d39411554034ffd3058389700a93c17568d2
SSDEEP

3072:quJFS5Aqu+WwjxeI/0gVnfKl0FA+aPobO24yNz88iu8vDYHTlI5EJD5Hbibfd6PK:/JM0mCsWq1/qpz+nF5c

Score

7^/10

discovery

Malware Config

Signatures

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4660	icacls.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1184	javaw.exe
1184	javaw.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 1184	4864	PCToaster.exe	88
PID 4864 wrote to memory of 1184	4864	PCToaster.exe	88
PID 1184 wrote to memory of 4660	1184	javaw.exe	89
PID 1184 wrote to memory of 4660	1184	javaw.exe	89

C:\Users\Admin\AppData\Local\Temp\Windows\PCToaster\PCToaster.exe
"C:\Users\Admin\AppData\Local\Temp\Windows\PCToaster\PCToaster.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Program Files\Java\jre-1.8\bin\javaw.exe
  "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Local\Temp\Windows\PCToaster\PCToaster.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1184
- - C:\Windows\system32\icacls.exe
    C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
    3⤵
    - Modifies file permissions
    PID:4660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
94d013f15c045a4c2d24df2131bf4000

SHA1
d8e76aaea999b01e027aed7b2f837a3709dded14

SHA256
d5d01af08aaa59f052dc9f855d2fc388f424338c05d877d81ae4d9129ae84627

SHA512
aa9ad30efcb50a63fd55a089a1c4c80bd304d7e07b75ef736628c9022a94d3371f116e8a34e1bcb1867e095ada13dadfbcbac16dff8e89fc144dea4afa3be106

Download Submit
memory/1184-3-0x000001466A2E0000-0x000001466B2E0000-memory.dmp

Filesize
16.0MB

Download
memory/1184-13-0x000001466A2C0000-0x000001466A2C1000-memory.dmp

Filesize
4KB

Download
memory/1184-19-0x000001466A2C0000-0x000001466A2C1000-memory.dmp

Filesize
4KB

Download
memory/1184-24-0x000001466A2C0000-0x000001466A2C1000-memory.dmp

Filesize
4KB

Download
memory/1184-28-0x000001466A2C0000-0x000001466A2C1000-memory.dmp

Filesize
4KB

Download
memory/1184-29-0x000001466A2C0000-0x000001466A2C1000-memory.dmp

Filesize
4KB

Download
memory/1184-40-0x000001466A2E0000-0x000001466B2E0000-memory.dmp

Filesize
16.0MB

Download
memory/1184-46-0x000001466A2C0000-0x000001466A2C1000-memory.dmp

Filesize
4KB

Download
memory/4864-0-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download