513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589

Analysis

max time kernel
24s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06-11-2022 23:48

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General

Target

513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589.exe
Size

68KB
MD5

07f781b7f328b7fbe798c6535c2be631
SHA1

dbd59d57a2af6b7e16ac3c599ff35870583ff641
SHA256

513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589
SHA512

b35d7b13275e46fbad29e0344d5e9f9c47fc320541e34f864909c257ec7904549b603adc67ad78716575104f6f767961a421c179b72bacb93b9b10608bc3701d
SSDEEP

768:gZICV1mYUjoFag/dOTyqC83SMzjGzBccOBb66DeUpmDo3/hmKNvUd0A+oTnXL:gZz1qC8rjGucOBO6tYEPqK/ozL

Score

8^/10

discovery exploit

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

1500 takeown.exe
1312 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1500 takeown.exe
1312 icacls.exe

pid	process
1500	takeown.exe
1312	icacls.exe

pid	process
1500	takeown.exe
1312	icacls.exe

Drops file in System32 directory 2 IoCs

Processes:

513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589.exe

description	ioc	process
File created	C:\Windows\SysWOW64\bdnos.exe	513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589.exe
File opened for modification	C:\Windows\SysWOW64\bdnos.exe	513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589.exe

pid process

948 513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589.exe

pid	process
948	513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589.exe

description	pid	process	target process
PID 948 wrote to memory of 1500	948	513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589.exe	takeown.exe
PID 948 wrote to memory of 1500	948	513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589.exe	takeown.exe
PID 948 wrote to memory of 1500	948	513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589.exe	takeown.exe
PID 948 wrote to memory of 1500	948	513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589.exe	takeown.exe
PID 948 wrote to memory of 1312	948	513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589.exe	icacls.exe
PID 948 wrote to memory of 1312	948	513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589.exe	icacls.exe
PID 948 wrote to memory of 1312	948	513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589.exe	icacls.exe
PID 948 wrote to memory of 1312	948	513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589.exe
"C:\Users\Admin\AppData\Local\Temp\513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:948

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "C:\Windows\system32\bdnos.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1500

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "C:\Windows\system32\bdnos.exe" /grant SYSTEM:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1312

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\bdnos.exe
Filesize
68KB

MD5
07f781b7f328b7fbe798c6535c2be631

SHA1
dbd59d57a2af6b7e16ac3c599ff35870583ff641

SHA256
513808703a00e0b38fc1ef602ba886376df73382ba3d55f4a5833deac0a47589

SHA512
b35d7b13275e46fbad29e0344d5e9f9c47fc320541e34f864909c257ec7904549b603adc67ad78716575104f6f767961a421c179b72bacb93b9b10608bc3701d

Download Submit
memory/948-56-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

Download
memory/1312-59-0x0000000000000000-mapping.dmp

Download
memory/1500-57-0x0000000000000000-mapping.dmp

Download