9a29bddf402b54b0f23fed218dbc1b13186db7688930ec8dcf627aae635ccf79

Analysis

max time kernel
150s
max time network
134s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
05-07-2024 01:36

Target

xRAT v2.0/Client-built.exe
Size

294KB
MD5

04c30859516960ad61fcda864c16ea84
SHA1

c5893f23d34826eb061cbff517843793f13b0e6a
SHA256

e4fcf1f6b71043e7c7c32f6954a0a1972696fa1bb9b6543ead14e85626890a11
SHA512

ef58cd9756f6d89b9752a6a233e388bfca9d1cb707af641ef95f04181b142e260c4c5c8e034270de35cd88cf569d81cebbcdc5af3749840436d006859cc6230c
SSDEEP

3072:7o7lYJHuSHgB24g54PzOOqJYGk6/uGDB0C6Z3pMJCv5Aa5OZw1Rvbq/ZU1os8rG1:U7lRw4vB890C6ZwLORvbq/uv8M

Score

7^/10

Executes dropped EXE 1 IoCs

Processes:

explorer.exe

pid process

2680 explorer.exe

pid	process
2680	explorer.exe

Adds Run key to start application 2 TTPs 2 IoCs

Registry Run Keys / Startup Folder

Modify Registry

Processes:

Client-built.exeexplorer.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bubvhcvyuicygc_idctdtydyiodc = "C:\\Users\\Admin\\AppData\\Roaming\\windows\\explorer.exe"	Client-built.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bubvhcvyuicygc_idctdtydyiodc = "C:\\Users\\Admin\\AppData\\Roaming\\windows\\explorer.exe"	explorer.exe

Looks up external IP address via web service 5 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

3 api.ipify.org
4 api.ipify.org
8 api.ipify.org
9 api.ipify.org
2 api.ipify.org
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

explorer.exe

description pid process

Token: SeDebugPrivilege 2680 explorer.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

explorer.exe

pid process

2680 explorer.exe

description	pid	process
Token: SeDebugPrivilege	2680	explorer.exe

pid	process
2680	explorer.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Client-built.exe

description	pid	process	target process
PID 2036 wrote to memory of 2680	2036	Client-built.exe	explorer.exe
PID 2036 wrote to memory of 2680	2036	Client-built.exe	explorer.exe
PID 2036 wrote to memory of 2680	2036	Client-built.exe	explorer.exe

C:\Users\Admin\AppData\Roaming\windows\explorer.exe
Filesize
294KB

MD5
04c30859516960ad61fcda864c16ea84

SHA1
c5893f23d34826eb061cbff517843793f13b0e6a

SHA256
e4fcf1f6b71043e7c7c32f6954a0a1972696fa1bb9b6543ead14e85626890a11

SHA512
ef58cd9756f6d89b9752a6a233e388bfca9d1cb707af641ef95f04181b142e260c4c5c8e034270de35cd88cf569d81cebbcdc5af3749840436d006859cc6230c

Download Submit
memory/2036-0-0x000007FEF62AE000-0x000007FEF62AF000-memory.dmp

Filesize
4KB

Download
memory/2036-1-0x000007FEF5FF0000-0x000007FEF698D000-memory.dmp

Filesize
9.6MB

Download
memory/2036-2-0x000007FEF5FF0000-0x000007FEF698D000-memory.dmp

Filesize
9.6MB

Download
memory/2036-3-0x000007FEF5FF0000-0x000007FEF698D000-memory.dmp

Filesize
9.6MB

Download
memory/2036-11-0x000007FEF5FF0000-0x000007FEF698D000-memory.dmp

Filesize
9.6MB

Download
memory/2680-12-0x000007FEF5FF0000-0x000007FEF698D000-memory.dmp

Filesize
9.6MB

Download
memory/2680-10-0x000007FEF5FF0000-0x000007FEF698D000-memory.dmp

Filesize
9.6MB

Download
memory/2680-14-0x000007FEF5FF0000-0x000007FEF698D000-memory.dmp

Filesize
9.6MB

Download