3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08

Analysis

max time kernel
34s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01-10-2022 20:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe
Size

36KB
MD5

055dcc1eb949b67e63dd8d0d8c6359e6
SHA1

1e3dd05441904f4c8c662cb1dbf6f405bf9b0c05
SHA256

3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08
SHA512

0a75e8aadb0fd6d060334573c1b4e58ccfa5e21b7d4f02905fe1aefb12b053a0cf7dfc70b5bd45054614b1016a14f33262a7f14e7f62afe7db57084e01b52c1b
SSDEEP

384:/TXuV4FSsVFBY/4a+QegFAw7giczitZqqNEiQ8T0OQr2hcw6vLPh+Jg8U9iu54M4:/Y4FSsTaneQAw9BiqR0O0lwDXG

Score

8^/10

discovery exploit persistence

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

icacls.exetakeown.exe

pid process

744 icacls.exe
1016 takeown.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

1016 takeown.exe
744 icacls.exe

pid	process
744	icacls.exe
1016	takeown.exe

pid	process
1016	takeown.exe
744	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Zzua = "C:\\Windows\\system32\\hkjdv.exe"	3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe

Drops file in System32 directory 2 IoCs

Processes:

3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe

description	ioc	process
File created	C:\Windows\SysWOW64\hkjdv.exe	3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe
File opened for modification	C:\Windows\SysWOW64\hkjdv.exe	3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe

pid process

1404 3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe

pid	process
1404	3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe

description	pid	process	target process
PID 1404 wrote to memory of 1016	1404	3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe	takeown.exe
PID 1404 wrote to memory of 1016	1404	3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe	takeown.exe
PID 1404 wrote to memory of 1016	1404	3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe	takeown.exe
PID 1404 wrote to memory of 1016	1404	3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe	takeown.exe
PID 1404 wrote to memory of 744	1404	3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe	icacls.exe
PID 1404 wrote to memory of 744	1404	3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe	icacls.exe
PID 1404 wrote to memory of 744	1404	3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe	icacls.exe
PID 1404 wrote to memory of 744	1404	3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe
"C:\Users\Admin\AppData\Local\Temp\3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1404

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "C:\Windows\system32\hkjdv.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:1016

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "C:\Windows\system32\hkjdv.exe" /grant Users:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:744

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\hkjdv.exe
Filesize
36KB

MD5
055dcc1eb949b67e63dd8d0d8c6359e6

SHA1
1e3dd05441904f4c8c662cb1dbf6f405bf9b0c05

SHA256
3162cff8a26079015c8ef925917f58505a6a920335efde0f2d5799ee13abac08

SHA512
0a75e8aadb0fd6d060334573c1b4e58ccfa5e21b7d4f02905fe1aefb12b053a0cf7dfc70b5bd45054614b1016a14f33262a7f14e7f62afe7db57084e01b52c1b

Download Submit
memory/744-57-0x0000000000000000-mapping.dmp

Download
memory/1016-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads