ytstealer | 86f037e97d7d843511e7ae743c2c142a725ffe9d39e6c22254292c943b2e2f9e

Analysis

max time kernel
50s
max time network
180s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
30/08/2022, 02:07

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General

Target
86f037e97d7d843511e7ae743c2c142a725ffe9d39e6c22254292c943b2e2f9e.exe
Size 4.0MB
Sample220830-ckezmabda7
SHA256 86f037e97d7d843511e7ae743c2c142a725ffe9d39e6c22254292c943b2e2f9e
MD5 2aa9bbb5dfb8a9e4f43d837678bbba32
SHA1 a3f5c88e1b1a00f619a844e3acc3b0522827460e
SHA512 9199505c1034371aa40c7897d03e4b1bee9571ea2129b0b3ae3fefd600e0199e11eb39b9c357bc1fe50ec93a7c0593d0ba88485bed492271a01886f1993e01ac
SSDEEP 98304:tmS04ZDOdjtOfrR9cPDl6GpVM5KJtklsFICNxDKDhe0Q5r6MRgPzdLS0:4T4tkjtOfrypHpVM5KglsFICUhfsgPz
MD5 SHA1 SHA512 SSDEEP

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
behavioral2/memory/2208-120-0x0000000000EF0000-0x0000000001CC8000-memory.dmp	family_ytstealer
behavioral2/memory/2208-122-0x0000000000EF0000-0x0000000001CC8000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2208-120-0x0000000000EF0000-0x0000000001CC8000-memory.dmp	upx
behavioral2/memory/2208-122-0x0000000000EF0000-0x0000000001CC8000-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 4 IoCs

pid	Process
2208	86f037e97d7d843511e7ae743c2c142a725ffe9d39e6c22254292c943b2e2f9e.exe
2208	86f037e97d7d843511e7ae743c2c142a725ffe9d39e6c22254292c943b2e2f9e.exe
2208	86f037e97d7d843511e7ae743c2c142a725ffe9d39e6c22254292c943b2e2f9e.exe
2208	86f037e97d7d843511e7ae743c2c142a725ffe9d39e6c22254292c943b2e2f9e.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 4916	2208	86f037e97d7d843511e7ae743c2c142a725ffe9d39e6c22254292c943b2e2f9e.exe	67
PID 2208 wrote to memory of 4916	2208	86f037e97d7d843511e7ae743c2c142a725ffe9d39e6c22254292c943b2e2f9e.exe	67
PID 4916 wrote to memory of 5080	4916	cmd.exe	69
PID 4916 wrote to memory of 5080	4916	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\86f037e97d7d843511e7ae743c2c142a725ffe9d39e6c22254292c943b2e2f9e.exe
"C:\Users\Admin\AppData\Local\Temp\86f037e97d7d843511e7ae743c2c142a725ffe9d39e6c22254292c943b2e2f9e.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2208
- 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\86f037e97d7d843511e7ae743c2c142a725ffe9d39e6c22254292c943b2e2f9e.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4916
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:5080

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/2208-120-0x0000000000EF0000-0x0000000001CC8000-memory.dmp

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memory/2208-122-0x0000000000EF0000-0x0000000001CC8000-memory.dmp

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