3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d

Analysis

max time kernel
56s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
21-10-2022 18:54

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General

Target

3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe
Size

36KB
MD5

27c0ae51af391cf5d411e6aa790a7660
SHA1

07c2bdca3cebcb1725a76260a151f986ae3b5bb8
SHA256

3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d
SHA512

3e101287b80f8cedd0725f43f66b820e3f09ce06ded85700e67dda9088739f225b8e8e6aabec80f4fbea258889274d0c30e3be2deebac9a0aa4ab41fee55ab7d
SSDEEP

384:/TVm3+ZlsXw+3p1Vbm+MKTPbvToCzCxgUF6qcxM7IrOhsccqrQy/xG54M3C:/BZlsXF3pYKTPRagTL9rO/lsC

Score

8^/10

discovery exploit persistence

Malware Config

Signatures

Possible privilege escalation attempt 2 IoCs
exploit

Processes:

takeown.exeicacls.exe

pid process

5028 takeown.exe
5036 icacls.exe
Modifies file permissions 1 TTPs 2 IoCs
discovery

File Permissions Modification
T1222

Processes:

takeown.exeicacls.exe

pid process

5028 takeown.exe
5036 icacls.exe

pid	process
5028	takeown.exe
5036	icacls.exe

pid	process
5028	takeown.exe
5036	icacls.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\TOxIM = "C:\\Windows\\system32\\rltya.exe"	3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe

Drops file in System32 directory 2 IoCs

Processes:

3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe

description	ioc	process
File created	C:\Windows\SysWOW64\rltya.exe	3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe
File opened for modification	C:\Windows\SysWOW64\rltya.exe	3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe

pid process

5072 3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe

pid	process
5072	3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe

description	pid	process	target process
PID 5072 wrote to memory of 5028	5072	3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe	takeown.exe
PID 5072 wrote to memory of 5028	5072	3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe	takeown.exe
PID 5072 wrote to memory of 5028	5072	3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe	takeown.exe
PID 5072 wrote to memory of 5036	5072	3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe	icacls.exe
PID 5072 wrote to memory of 5036	5072	3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe	icacls.exe
PID 5072 wrote to memory of 5036	5072	3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe	icacls.exe

C:\Users\Admin\AppData\Local\Temp\3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe
"C:\Users\Admin\AppData\Local\Temp\3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5072

C:\Windows\SysWOW64\takeown.exe
C:\Windows\system32\takeown.exe /f "C:\Windows\system32\rltya.exe"
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:5028

C:\Windows\SysWOW64\icacls.exe
C:\Windows\system32\icacls.exe "C:\Windows\system32\rltya.exe" /grant Users:F
2⤵
- Possible privilege escalation attempt
- Modifies file permissions
PID:5036

Network

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

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Downloads

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

MD5
27c0ae51af391cf5d411e6aa790a7660

SHA1
07c2bdca3cebcb1725a76260a151f986ae3b5bb8

SHA256
3a69cdd48a602bc7fc7a02c32c56bcfd83059cecc373fabd61d978d894748f1d

SHA512
3e101287b80f8cedd0725f43f66b820e3f09ce06ded85700e67dda9088739f225b8e8e6aabec80f4fbea258889274d0c30e3be2deebac9a0aa4ab41fee55ab7d

Download Submit
memory/5028-134-0x0000000000000000-mapping.dmp

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memory/5036-135-0x0000000000000000-mapping.dmp

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