b553b401f8d8fa47db7f3b513637145453337159d0acca460b4efcdaf5ef5c61

Analysis

max time kernel
50s
max time network
54s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
11-04-2023 05:35

Target

BONZIFY.exe
Size

6.4MB
MD5

fba93d8d029e85e0cde3759b7903cee2
SHA1

525b1aa549188f4565c75ab69e51f927204ca384
SHA256

66f62408dfce7c4a5718d2759f1d35721ca22077398850277d16e1fca87fe764
SHA512

7c1441b2e804e925eb5a03e97db620117d3ad4f6981dc020e4e7df4bfc4bd6e414fa3b0ce764481a2cef07eebb2baa87407355bfbe88fab96397d82bd441e6a2
SSDEEP

196608:adAMaWetTeAkLIdx751qFTkub//73lc6u7b5VJ2Yx5xIdk3:OaWedh+Idx75QYub//73lc6u7bLMYxD

Score

8^/10

discovery exploit

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

icacls.exetakeown.exe

pid process

2148 icacls.exe
4392 takeown.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

4392 takeown.exe
2148 icacls.exe
Drops file in Windows directory 1 IoCs

Processes:

BONZIFY.exe

description ioc process

File created C:\Windows\executables.bin BONZIFY.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

492 taskkill.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 492 taskkill.exe

pid	process
2148	icacls.exe
4392	takeown.exe

pid	process
4392	takeown.exe
2148	icacls.exe

description	ioc	process
File created	C:\Windows\executables.bin	BONZIFY.exe

pid	process
492	taskkill.exe

description	pid	process
Token: SeDebugPrivilege	492	taskkill.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

BONZIFY.execmd.exe

description	pid	process	target process
PID 2028 wrote to memory of 4340	2028	BONZIFY.exe	cmd.exe
PID 2028 wrote to memory of 4340	2028	BONZIFY.exe	cmd.exe
PID 2028 wrote to memory of 4340	2028	BONZIFY.exe	cmd.exe
PID 4340 wrote to memory of 492	4340	cmd.exe	taskkill.exe
PID 4340 wrote to memory of 492	4340	cmd.exe	taskkill.exe
PID 4340 wrote to memory of 492	4340	cmd.exe	taskkill.exe
PID 4340 wrote to memory of 4392	4340	cmd.exe	takeown.exe
PID 4340 wrote to memory of 4392	4340	cmd.exe	takeown.exe
PID 4340 wrote to memory of 4392	4340	cmd.exe	takeown.exe
PID 4340 wrote to memory of 2148	4340	cmd.exe	icacls.exe
PID 4340 wrote to memory of 2148	4340	cmd.exe	icacls.exe
PID 4340 wrote to memory of 2148	4340	cmd.exe	icacls.exe

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\KillAgent.bat"
2⤵
- Suspicious use of WriteProcessMemory
PID:4340

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File Permissions Modification

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

C:\Users\Admin\AppData\Local\Temp\KillAgent.bat
Filesize
161B

MD5
ea7df060b402326b4305241f21f39736

SHA1
7d58fb4c58e0edb2ddceef4d21581ff9d512fdc2

SHA256
e4edc2cb6317ab19ee1a6327993e9332af35cfbebaff2ac7c3f71d43cfcbe793

SHA512
3147615add5608d0dce7a8b6efbfb19263c51a2e495df72abb67c6db34f5995a27fde55b5af78bbd5a6468b4065942cad4a4d3cb28ab932aad9b0f835aafe4d0

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