01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
07-11-2022 14:30

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General

Target

01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787.exe
Size

68KB
MD5

0c55e9cc0009f4988fe82c3d56364ae1
SHA1

b30ab92cef12c6c6947df445dc8fdb046f785384
SHA256

01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787
SHA512

dada2ffcf35cb29b6181dfb164b4316960c6fc6b58017ba8523ac2852f347aca78b629505a4a974b565c346adc3aa5094e432f618f062c1a4cea2e382062f454
SSDEEP

768:1l3pC6nCe+5tqup0pfXzXg4iOw/D2rRY1hv1Tl/ed45V4peiwRpRQkEps4qKgVwG:P5Hg1DyY1fTdtyezXQX3wCxfKeoKm

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1288 takeown.exe
940 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1288 takeown.exe
940 icacls.exe

pid	process
1288	takeown.exe
940	icacls.exe

pid	process
1288	takeown.exe
940	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787.exe

description	ioc	process
File created	C:\Windows\SysWOW64\rozy.exe	01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787.exe
File opened for modification	C:\Windows\SysWOW64\rozy.exe	01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787.exe

pid process

1284 01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787.exe

pid	process
1284	01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787.exe

description	pid	process	target process
PID 1284 wrote to memory of 1288	1284	01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787.exe	takeown.exe
PID 1284 wrote to memory of 1288	1284	01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787.exe	takeown.exe
PID 1284 wrote to memory of 1288	1284	01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787.exe	takeown.exe
PID 1284 wrote to memory of 1288	1284	01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787.exe	takeown.exe
PID 1284 wrote to memory of 940	1284	01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787.exe	icacls.exe
PID 1284 wrote to memory of 940	1284	01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787.exe	icacls.exe
PID 1284 wrote to memory of 940	1284	01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787.exe	icacls.exe
PID 1284 wrote to memory of 940	1284	01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787.exe
"C:\Users\Admin\AppData\Local\Temp\01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1284

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "C:\Windows\system32\rozy.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1288

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "C:\Windows\system32\rozy.exe" /grant SYSTEM:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:940

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\rozy.exe
Filesize
68KB

MD5
0c55e9cc0009f4988fe82c3d56364ae1

SHA1
b30ab92cef12c6c6947df445dc8fdb046f785384

SHA256
01476887bff645b770977d6ffb6c732a047d457eecd3497ca569ef29fc905787

SHA512
dada2ffcf35cb29b6181dfb164b4316960c6fc6b58017ba8523ac2852f347aca78b629505a4a974b565c346adc3aa5094e432f618f062c1a4cea2e382062f454

Download Submit
memory/940-59-0x0000000000000000-mapping.dmp

Download
memory/1284-56-0x00000000762E1000-0x00000000762E3000-memory.dmp

Filesize
8KB

Download
memory/1288-57-0x0000000000000000-mapping.dmp

Download