1b8917df1794f5f1bccfc0375cc05178d9bf255f5f97260b8be4d15dd8f10e01

Analysis

max time kernel
132s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 16:32

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General

Target

1b8917df1794f5f1bccfc0375cc05178d9bf255f5f97260b8be4d15dd8f10e01.exe
Size

17KB
MD5

6dc73e100c9640c1b6915bfafb007e20
SHA1

71faf48fec591ee42175f06486067d4d3f6f7236
SHA256

1b8917df1794f5f1bccfc0375cc05178d9bf255f5f97260b8be4d15dd8f10e01
SHA512

6be947849a04d0b541f1d86196e6c77ceb0d2a1c62c97b9919c17c02075191f207da2d27ddd10cf4e5c4763e1f3c492f204f21ed297d559ab14b541a18ac1e4f
SSDEEP

384:x+uPfoQ+DfYMzKdPEsOuubuEG3KHM2/1Km:IMAQ+BzWPEwnE+KHM2/R

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

svhost.exe

pid process

2200 svhost.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
2200	svhost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svhost.exe1b8917df1794f5f1bccfc0375cc05178d9bf255f5f97260b8be4d15dd8f10e01.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Winhost = "C:\\Windows\\svhost.exe"	svhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Winhost = "C:\\Windows\\svhost.exe"	1b8917df1794f5f1bccfc0375cc05178d9bf255f5f97260b8be4d15dd8f10e01.exe

Drops file in Windows directory 2 IoCs

Processes:

1b8917df1794f5f1bccfc0375cc05178d9bf255f5f97260b8be4d15dd8f10e01.exesvhost.exe

description	ioc	process
File created	C:\Windows\svhost.exe	1b8917df1794f5f1bccfc0375cc05178d9bf255f5f97260b8be4d15dd8f10e01.exe
File created	C:\Windows\svhost.exe	svhost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1b8917df1794f5f1bccfc0375cc05178d9bf255f5f97260b8be4d15dd8f10e01.exesvhost.exe

description	pid	process
Token: SeDebugPrivilege	4012	1b8917df1794f5f1bccfc0375cc05178d9bf255f5f97260b8be4d15dd8f10e01.exe
Token: SeDebugPrivilege	2200	svhost.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

1b8917df1794f5f1bccfc0375cc05178d9bf255f5f97260b8be4d15dd8f10e01.exe

description	pid	process	target process
PID 4012 wrote to memory of 2200	4012	1b8917df1794f5f1bccfc0375cc05178d9bf255f5f97260b8be4d15dd8f10e01.exe	svhost.exe
PID 4012 wrote to memory of 2200	4012	1b8917df1794f5f1bccfc0375cc05178d9bf255f5f97260b8be4d15dd8f10e01.exe	svhost.exe
PID 4012 wrote to memory of 2200	4012	1b8917df1794f5f1bccfc0375cc05178d9bf255f5f97260b8be4d15dd8f10e01.exe	svhost.exe

C:\Users\Admin\AppData\Local\Temp\1b8917df1794f5f1bccfc0375cc05178d9bf255f5f97260b8be4d15dd8f10e01.exe
"C:\Users\Admin\AppData\Local\Temp\1b8917df1794f5f1bccfc0375cc05178d9bf255f5f97260b8be4d15dd8f10e01.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4012

C:\Windows\svhost.exe
"C:\Windows\svhost.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2200

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
Filesize
339KB

MD5
16718d9fb7104b9e7665b7a633fe2aca

SHA1
a04aee2ded1cdd83cd99c0f3485d5c1f051f636c

SHA256
4e1c050ebd3e225b08b13a42513dcb4d5d7b54fbadfb6da4b981bac01fcbc8b1

SHA512
c3e87690dcb970f48ccc59ca93cbf55a4fe5a8754bc6f8bec8d3b27df86fa4b0fbf3259a17eff4f2f0611df1d74a1f7c40390740e8fd698beaea8a8170b474b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\GMVIJSSDnoHkE4h.exe
Filesize
17KB

MD5
0db934d3bce317859583fcff677a4795

SHA1
9f92188fb375d9a795bc695a641c8e50a1e2e401

SHA256
f0947929ed36567ae489b62f2b9be579c95086121bfed62dd28ae5947e16f060

SHA512
179a9d22fc79fc48570c7a376f1c00b047637501feb88fe22e253903a24d5905463be631c21db113f576005eacaf040e374e95cac14d00a380d57005fe44d293

Download Submit
C:\Windows\svhost.exe
Filesize
16KB

MD5
76fd02b48297edb28940bdfa3fa1c48a

SHA1
bf5cae1057a0aca8bf3aab8b121fe77ebb0788ce

SHA256
07abd35f09b954eba7011ce18b225017c50168e039732680df58ae703324825c

SHA512
28c7bf4785547f6df9d678699a55cfb24c429a2bac5375733ff2f760c92933190517d8acd740bdf69c3ecc799635279af5d7ebd848c5b471318d1f330c441ff0

Download Submit