6fbf1c09ae363a80d37516cf04df2ac2cb11b5fa51a6d43bed9f2cf09f32d78e

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 05:09

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General

Target
c50e27b62190a06c1a169b7f501c086c.exe
Size 298KB
Sample240313-ftd1gafc86
SHA256 6fbf1c09ae363a80d37516cf04df2ac2cb11b5fa51a6d43bed9f2cf09f32d78e
MD5 c50e27b62190a06c1a169b7f501c086c
SHA1 502884c805598b00b8c86e7e67381dab150c5931
SHA512 84b978e4103d6af5940f3bc20a8a573437fcea4a2495ac379a0bdbb6708beafff3938d2756210383dba256b12d0b613bf45ba45646a251a7c62566718fff1622
SSDEEP 6144:xbqEx+peFMp0RwPZw8a/2mbO16b2fSgq4eA1zFOq:AExIeWeKFa+mbOjzXz
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs

exploit

pid	Process
4504	icacls.exe
2832	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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	c50e27b62190a06c1a169b7f501c086c.exe

Modifies file permissions 1 TTPs 2 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2832	takeown.exe
4504	icacls.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\LogonUI.exe	c50e27b62190a06c1a169b7f501c086c.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	2832	takeown.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1556 wrote to memory of 3228	1556	c50e27b62190a06c1a169b7f501c086c.exe	87
PID 1556 wrote to memory of 3228	1556	c50e27b62190a06c1a169b7f501c086c.exe	87
PID 3228 wrote to memory of 2832	3228	cmd.exe	89
PID 3228 wrote to memory of 2832	3228	cmd.exe	89
PID 3228 wrote to memory of 4504	3228	cmd.exe	90
PID 3228 wrote to memory of 4504	3228	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\c50e27b62190a06c1a169b7f501c086c.exe
"C:\Users\Admin\AppData\Local\Temp\c50e27b62190a06c1a169b7f501c086c.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1556
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /k takeown /f C:\Windows\System32 && icacls C:\Windows\System32 /grant "%username%:F"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3228
- - C:\Windows\system32\takeown.exe
    takeown /f C:\Windows\System32
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:2832
- - C:\Windows\system32\icacls.exe
    icacls C:\Windows\System32 /grant "Admin:F"
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:4504

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

memory/1556-0-0x0000000000B70000-0x0000000000BC0000-memory.dmp

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memory/1556-1-0x00007FFA53940000-0x00007FFA54401000-memory.dmp

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memory/1556-2-0x0000000002EE0000-0x0000000002EF0000-memory.dmp

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memory/1556-5-0x00007FFA53940000-0x00007FFA54401000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads