ytstealer | b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f

Analysis

max time kernel
12s
max time network
2s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
31-08-2022 05:45

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General

Target

b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe
Size

4.0MB
MD5

16ff8074ba61c2a46cdb6c72c2c6057d
SHA1

5e7c56085209a3190a2a831fffefdeef192a6b25
SHA256

b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f
SHA512

674c22cee088d96d42d43aa7cbd7988c01318a211185be6767e43c50dbdf5e7f0dd9e65be123127744015e17c34415feef727a08f237e350ccd04068ce28ddce
SSDEEP

98304:6frhftGYPM0XYf+XVmWMscdmJ6DVAlyW7:6fZ3PMdf88dscd3Vhe

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/1544-132-0x0000000000BB0000-0x0000000001989000-memory.dmp	family_ytstealer
behavioral1/memory/1544-134-0x0000000000BB0000-0x0000000001989000-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/1544-132-0x0000000000BB0000-0x0000000001989000-memory.dmp	upx
behavioral1/memory/1544-134-0x0000000000BB0000-0x0000000001989000-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

Processes:

b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe

pid	process
1544	b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe
1544	b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe
1544	b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe
1544	b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.execmd.exe

description	pid	process	target process
PID 1544 wrote to memory of 3628	1544	b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe	cmd.exe
PID 1544 wrote to memory of 3628	1544	b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe	cmd.exe
PID 3628 wrote to memory of 4376	3628	cmd.exe	choice.exe
PID 3628 wrote to memory of 4376	3628	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe
"C:\Users\Admin\AppData\Local\Temp\b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1544
- 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\b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3628
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:4376

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/1544-132-0x0000000000BB0000-0x0000000001989000-memory.dmp

Filesize
13.8MB

Download
memory/1544-134-0x0000000000BB0000-0x0000000001989000-memory.dmp

Filesize
13.8MB

Download
memory/3628-133-0x0000000000000000-mapping.dmp

Download
memory/4376-135-0x0000000000000000-mapping.dmp

Download