ytstealer | 3c6876a6a24bbfda488c1beade7093b3a756ae7417557c66c4a63774ee7c36c4

Analysis

max time kernel
55s
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, 01:39

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General

Target
3c6876a6a24bbfda488c1beade7093b3a756ae7417557c66c4a63774ee7c36c4.exe
Size 4.0MB
Sample220830-b252psbab2
SHA256 3c6876a6a24bbfda488c1beade7093b3a756ae7417557c66c4a63774ee7c36c4
MD5 f00167a3289aa84a614d7792111c7c29
SHA1 735340796be409068e27e025eddb3478f9e5bbfe
SHA512 45e04ceafc684f383f1fc8a7e653f68a0a82c22adab02e75bd2e927e20db25973113dcbd8041801c49abb49ce24659e3571da053ccd306f8b3b56fc6d3d83f2d
SSDEEP 98304:u+0HrYPdhzNwc58j0M+AUNfmyVaIItNXxhJotVgi4XClQn/:k07z158x2f+jhYciU2k
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/1524-116-0x00000000008C0000-0x0000000001698000-memory.dmp	family_ytstealer
behavioral2/memory/1524-119-0x00000000008C0000-0x0000000001698000-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/1524-116-0x00000000008C0000-0x0000000001698000-memory.dmp	upx
behavioral2/memory/1524-119-0x00000000008C0000-0x0000000001698000-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
1524	3c6876a6a24bbfda488c1beade7093b3a756ae7417557c66c4a63774ee7c36c4.exe
1524	3c6876a6a24bbfda488c1beade7093b3a756ae7417557c66c4a63774ee7c36c4.exe
1524	3c6876a6a24bbfda488c1beade7093b3a756ae7417557c66c4a63774ee7c36c4.exe
1524	3c6876a6a24bbfda488c1beade7093b3a756ae7417557c66c4a63774ee7c36c4.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 3988	1524	3c6876a6a24bbfda488c1beade7093b3a756ae7417557c66c4a63774ee7c36c4.exe	67
PID 1524 wrote to memory of 3988	1524	3c6876a6a24bbfda488c1beade7093b3a756ae7417557c66c4a63774ee7c36c4.exe	67
PID 3988 wrote to memory of 4520	3988	cmd.exe	69
PID 3988 wrote to memory of 4520	3988	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\3c6876a6a24bbfda488c1beade7093b3a756ae7417557c66c4a63774ee7c36c4.exe
"C:\Users\Admin\AppData\Local\Temp\3c6876a6a24bbfda488c1beade7093b3a756ae7417557c66c4a63774ee7c36c4.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1524
- 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\3c6876a6a24bbfda488c1beade7093b3a756ae7417557c66c4a63774ee7c36c4.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3988
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:4520

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/1524-116-0x00000000008C0000-0x0000000001698000-memory.dmp

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memory/1524-119-0x00000000008C0000-0x0000000001698000-memory.dmp

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