ytstealer | 3d948e39198a851d73337ede0025543f4833ecc0f8b88f61c5f4ce8ef643908f

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
15-09-2022 03:28

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General

Target

3d948e39198a851d73337ede0025543f4833ecc0f8b88f61c5f4ce8ef643908f.exe
Size

4.0MB
MD5

c8285db83bfd7f5dec56f11b4686ed6c
SHA1

46ff3a7cfbcd6a37ee30e22c363cfa57d98e333a
SHA256

3d948e39198a851d73337ede0025543f4833ecc0f8b88f61c5f4ce8ef643908f
SHA512

952a6c241662444dc1cd8dd116ff098cb17e700be7a8ea55d67f74d84c84cdf45579f35f2774992039a397353736e14ddea3f5d9906b6d4a48f78ca140375ff9
SSDEEP

98304:YGMnuzHcD98bHmO3Dt5CUXtQeej40THGA4xg6jGJ:96uzcD98Z3DW2QHTHhCg

Score

10^/10

ytstealer spyware stealer upx

Malware Config

Signatures

YTStealer
YTStealer is a malware designed to steal YouTube authentication cookies.
stealer ytstealer

YTStealer payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1484-54-0x0000000000090000-0x0000000000E58000-memory.dmp	family_ytstealer
behavioral1/memory/1484-57-0x0000000000090000-0x0000000000E58000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1484-54-0x0000000000090000-0x0000000000E58000-memory.dmp	upx
behavioral1/memory/1484-57-0x0000000000090000-0x0000000000E58000-memory.dmp	upx

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
T1081

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

3d948e39198a851d73337ede0025543f4833ecc0f8b88f61c5f4ce8ef643908f.exe

pid	process
1484	3d948e39198a851d73337ede0025543f4833ecc0f8b88f61c5f4ce8ef643908f.exe
1484	3d948e39198a851d73337ede0025543f4833ecc0f8b88f61c5f4ce8ef643908f.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3d948e39198a851d73337ede0025543f4833ecc0f8b88f61c5f4ce8ef643908f.execmd.exe

description	pid	process	target process
PID 1484 wrote to memory of 1164	1484	3d948e39198a851d73337ede0025543f4833ecc0f8b88f61c5f4ce8ef643908f.exe	cmd.exe
PID 1484 wrote to memory of 1164	1484	3d948e39198a851d73337ede0025543f4833ecc0f8b88f61c5f4ce8ef643908f.exe	cmd.exe
PID 1484 wrote to memory of 1164	1484	3d948e39198a851d73337ede0025543f4833ecc0f8b88f61c5f4ce8ef643908f.exe	cmd.exe
PID 1164 wrote to memory of 1672	1164	cmd.exe	choice.exe
PID 1164 wrote to memory of 1672	1164	cmd.exe	choice.exe
PID 1164 wrote to memory of 1672	1164	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\3d948e39198a851d73337ede0025543f4833ecc0f8b88f61c5f4ce8ef643908f.exe
"C:\Users\Admin\AppData\Local\Temp\3d948e39198a851d73337ede0025543f4833ecc0f8b88f61c5f4ce8ef643908f.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1484
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Local\Temp\3d948e39198a851d73337ede0025543f4833ecc0f8b88f61c5f4ce8ef643908f.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1164
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:1672

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1164-55-0x0000000000000000-mapping.dmp

Download
memory/1484-54-0x0000000000090000-0x0000000000E58000-memory.dmp

Filesize
13.8MB

Download
memory/1484-57-0x0000000000090000-0x0000000000E58000-memory.dmp

Filesize
13.8MB

Download
memory/1672-56-0x0000000000000000-mapping.dmp

Download