cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804

Analysis

max time kernel
46s
max time network
50s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
08-11-2022 08:41

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General

Target

cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe
Size

68KB
MD5

01d2a08c2976f6f7f3a6579d1d64aa26
SHA1

0f4fae2be30446e39ce0e14a5763dd7c41ff4b0f
SHA256

cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804
SHA512

33d92ef8bd3a210ab47fe2fee961456779ce32aca0777c7a165fa1dbc669e8e7352ad6f4890a0193dc95ff59f9417c9ab54e160ff7872c622410300a03be5804
SSDEEP

768:HTTv3ANWbKrlPoQTR2I7Zsn3aRuDDHm0PwwljxXoyoi4/BSx1vjobw8Q8MEe:HHnmzL23SuTnljmyoiy1Q8Je

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1280 takeown.exe
1160 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1280 takeown.exe
1160 icacls.exe

pid	process
1280	takeown.exe
1160	icacls.exe

pid	process
1280	takeown.exe
1160	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe

description	ioc	process
File created	C:\Windows\SysWOW64\akxk.exe	cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe
File opened for modification	C:\Windows\SysWOW64\akxk.exe	cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe

pid process

1600 cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe

pid	process
1600	cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe

description	pid	process	target process
PID 1600 wrote to memory of 1280	1600	cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe	takeown.exe
PID 1600 wrote to memory of 1280	1600	cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe	takeown.exe
PID 1600 wrote to memory of 1280	1600	cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe	takeown.exe
PID 1600 wrote to memory of 1280	1600	cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe	takeown.exe
PID 1600 wrote to memory of 1160	1600	cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe	icacls.exe
PID 1600 wrote to memory of 1160	1600	cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe	icacls.exe
PID 1600 wrote to memory of 1160	1600	cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe	icacls.exe
PID 1600 wrote to memory of 1160	1600	cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe
"C:\Users\Admin\AppData\Local\Temp\cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1600

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "C:\Windows\system32\akxk.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1280

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "C:\Windows\system32\akxk.exe" /grant SYSTEM:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1160

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\akxk.exe
Filesize
68KB

MD5
01d2a08c2976f6f7f3a6579d1d64aa26

SHA1
0f4fae2be30446e39ce0e14a5763dd7c41ff4b0f

SHA256
cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804

SHA512
33d92ef8bd3a210ab47fe2fee961456779ce32aca0777c7a165fa1dbc669e8e7352ad6f4890a0193dc95ff59f9417c9ab54e160ff7872c622410300a03be5804

Download Submit
memory/1160-58-0x0000000000000000-mapping.dmp

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memory/1280-56-0x0000000000000000-mapping.dmp

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