ytstealer | 8ba03ffa0d6fac7518df309069b8ef37668e791da3f96b9ff783c84c91c5f9f0

Analysis

max time kernel
42s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30/08/2022, 02:09

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General

Target

8ba03ffa0d6fac7518df309069b8ef37668e791da3f96b9ff783c84c91c5f9f0.exe
Size

4.0MB
MD5

7f5891f8dfd795fc40ee8afc1836aba7
SHA1

e88929c483bc7db92cf35bd224b8c57df9960457
SHA256

8ba03ffa0d6fac7518df309069b8ef37668e791da3f96b9ff783c84c91c5f9f0
SHA512

15fea5e20ee8856d1e59360608a538e5ccc6ccdd460a2ecc0794d3d31ee22b4e4cbcfdc5e69f44e32a04e634e761c55ffd3b970512ca3300349f8fa45c48f4e0
SSDEEP

98304:DzaR6ozbQnKGqTAhcLpw08sVW/MNZUF07NurupN5OMsd/R80d:DzG6oSbq0YXg0JT5sd58W

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

resource	yara_rule
behavioral1/memory/832-54-0x0000000000C20000-0x00000000019F8000-memory.dmp	family_ytstealer
behavioral1/memory/832-57-0x0000000000C20000-0x00000000019F8000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/832-54-0x0000000000C20000-0x00000000019F8000-memory.dmp	upx
behavioral1/memory/832-57-0x0000000000C20000-0x00000000019F8000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
520	cmd.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
T1081

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
832	8ba03ffa0d6fac7518df309069b8ef37668e791da3f96b9ff783c84c91c5f9f0.exe
832	8ba03ffa0d6fac7518df309069b8ef37668e791da3f96b9ff783c84c91c5f9f0.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 520	832	8ba03ffa0d6fac7518df309069b8ef37668e791da3f96b9ff783c84c91c5f9f0.exe	28
PID 832 wrote to memory of 520	832	8ba03ffa0d6fac7518df309069b8ef37668e791da3f96b9ff783c84c91c5f9f0.exe	28
PID 832 wrote to memory of 520	832	8ba03ffa0d6fac7518df309069b8ef37668e791da3f96b9ff783c84c91c5f9f0.exe	28
PID 520 wrote to memory of 1756	520	cmd.exe	30
PID 520 wrote to memory of 1756	520	cmd.exe	30
PID 520 wrote to memory of 1756	520	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\8ba03ffa0d6fac7518df309069b8ef37668e791da3f96b9ff783c84c91c5f9f0.exe
"C:\Users\Admin\AppData\Local\Temp\8ba03ffa0d6fac7518df309069b8ef37668e791da3f96b9ff783c84c91c5f9f0.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:832
- 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\8ba03ffa0d6fac7518df309069b8ef37668e791da3f96b9ff783c84c91c5f9f0.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:520
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:1756

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

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Downloads

memory/832-54-0x0000000000C20000-0x00000000019F8000-memory.dmp

Filesize
13.8MB

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memory/832-57-0x0000000000C20000-0x00000000019F8000-memory.dmp

Filesize
13.8MB

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