6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648

Analysis

max time kernel
46s
max time network
51s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
21-10-2022 13:54

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General

Target

6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648.exe
Size

72KB
MD5

1344621b4058158942a763ad534a01d0
SHA1

a5577f6bbfdf07f8627a23946ff3147c6840668f
SHA256

6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648
SHA512

7cf0cd53de828498d7bf1ae5ed75ad10069a98378801f56ecf22653c5c164a55ad0bc958b194a1efee8266526c9ce2cdcb47eddd7ea51d096b2c4c0244e0d67e
SSDEEP

768:l5RIN9N2yYKW0I5uj/x5qtN6aw6nIUBlKhZh1Fgb3xD/c7udmxACK4BQt8N+Y9XC:7uZYrwMg9FEhyudg+YtC

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

840 takeown.exe
1560 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

840 takeown.exe
1560 icacls.exe

pid	process
840	takeown.exe
1560	icacls.exe

pid	process
840	takeown.exe
1560	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648.exe

description	ioc	process
File created	C:\Windows\SysWOW64\lfgac.exe	6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648.exe
File opened for modification	C:\Windows\SysWOW64\lfgac.exe	6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648.exe

pid process

852 6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648.exe

pid	process
852	6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648.exe

description	pid	process	target process
PID 852 wrote to memory of 840	852	6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648.exe	takeown.exe
PID 852 wrote to memory of 840	852	6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648.exe	takeown.exe
PID 852 wrote to memory of 840	852	6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648.exe	takeown.exe
PID 852 wrote to memory of 840	852	6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648.exe	takeown.exe
PID 852 wrote to memory of 1560	852	6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648.exe	icacls.exe
PID 852 wrote to memory of 1560	852	6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648.exe	icacls.exe
PID 852 wrote to memory of 1560	852	6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648.exe	icacls.exe
PID 852 wrote to memory of 1560	852	6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648.exe
"C:\Users\Admin\AppData\Local\Temp\6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "C:\Windows\system32\lfgac.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:840

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "C:\Windows\system32\lfgac.exe" /grant SYSTEM:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1560

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Windows\SysWOW64\lfgac.exe
Filesize
72KB

MD5
1344621b4058158942a763ad534a01d0

SHA1
a5577f6bbfdf07f8627a23946ff3147c6840668f

SHA256
6d792e8dffb3e9ca8b7f829358e56c192a47c72acf566e951d735e4d6d785648

SHA512
7cf0cd53de828498d7bf1ae5ed75ad10069a98378801f56ecf22653c5c164a55ad0bc958b194a1efee8266526c9ce2cdcb47eddd7ea51d096b2c4c0244e0d67e

Download Submit
memory/840-57-0x0000000000000000-mapping.dmp

Download
memory/852-56-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download
memory/1560-59-0x0000000000000000-mapping.dmp

Download