d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a

Analysis

max time kernel
123s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2022 22:44

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General

Target

d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe
Size

96KB
MD5

641e9944b7ab5bdc073b0e5b6148b352
SHA1

81c69b50a126bb3de7ca4fe7a1c7a81bb792ca2b
SHA256

d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a
SHA512

1b069ae54f053cd7feb9f63c1fa9b1a307d644d74b42733632af72adae751e7a5e5aa66e43e7a0c154de1b39015020cd26dbf16d72ad582ef3ba1ef63a767c48
SSDEEP

1536:4es7yD0DAzhW0w4ZtgNxO9tMZMpbMqqJI7Jy2Z47gViGMru:4i0D+suZ3pbMqqJI7w7g+

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1244 takeown.exe
1576 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1244 takeown.exe
1576 icacls.exe

pid	process
1244	takeown.exe
1576	icacls.exe

pid	process
1244	takeown.exe
1576	icacls.exe

Drops file in System32 directory 4 IoCs

Processes:

d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe

description	ioc	process
File created	C:\Windows\SysWOW64\ole.dll	d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe
File created	C:\Windows\SysWOW64\imm32.dll.log	d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe
File opened for modification	C:\Windows\SysWOW64\imm32.dll.log	d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe
File created	C:\Windows\SysWOW64\imm32.dll	d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exetakeown.exe

description	pid	process
Token: SeDebugPrivilege	1116	d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe
Token: SeTakeOwnershipPrivilege	1244	takeown.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe

pid	process
1116	d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe
1116	d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe

description	pid	process	target process
PID 1116 wrote to memory of 1244	1116	d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe	takeown.exe
PID 1116 wrote to memory of 1244	1116	d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe	takeown.exe
PID 1116 wrote to memory of 1244	1116	d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe	takeown.exe
PID 1116 wrote to memory of 1576	1116	d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe	icacls.exe
PID 1116 wrote to memory of 1576	1116	d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe	icacls.exe
PID 1116 wrote to memory of 1576	1116	d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe	icacls.exe
PID 1116 wrote to memory of 2084	1116	d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe	cmd.exe
PID 1116 wrote to memory of 2084	1116	d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe	cmd.exe
PID 1116 wrote to memory of 2084	1116	d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe
"C:\Users\Admin\AppData\Local\Temp\d45b54dce496faffffe40165387793a32eb22e4db98392907c9f0104eb1b711a.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1116

C:\Windows\SysWOW64\takeown.exe
takeown /F C:\Windows\system32\imm32.dll
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
PID:1244

C:\Windows\SysWOW64\icacls.exe
icacls C:\Windows\system32\imm32.dll /grant administrators:f
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1576

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c c:\dele56957e.bat
2⤵
PID:2084

Network

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

Replay Monitor

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Downloads

\??\c:\dele56957e.bat
Filesize
271B

MD5
2e44876f30ad8b82d485e6d5c6d0fed9

SHA1
52588c8d55846d4737671ee9ec89f6f3b7e1af80

SHA256
7aceebfe40728e76f83ef9e4c0f32c840b904d5f73040b1c718c7b7b5071f310

SHA512
9bf6f245f9f940e25cea75b06332e93eb7fb6e72ce28d150c6c91f5d4c144e8f3d192c46b0593c4fb484084875f870ccd750b25a29d1fd08ecff8b0ea37827a0

Download Submit
memory/1244-132-0x0000000000000000-mapping.dmp

Download
memory/1576-133-0x0000000000000000-mapping.dmp

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memory/2084-134-0x0000000000000000-mapping.dmp

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