ytstealer | 8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f

Analysis

max time kernel
54s
max time network
185s
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, 02:05

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General

Target
8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe
Size 4.0MB
Sample220830-cjacrabcg4
SHA256 8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f
MD5 a2247e2d681b29acc6fa1dc68c2ab231
SHA1 cd2767a3438f6e48ace39fca0583801e13618229
SHA512 ad1868aa8019aa2d358ed101e3a02d4a0a97a1c20edacd54216af081d7bd26506c4d8b05d424c9e5cb95508d9e07ba46d1562076b3e161131f14e832262c0d5e
SSDEEP 98304:ideiIhWjD/6XnGDT1DFjgfYOiQzsHIxh56QG:ceibn6ODFbOiQzsoxh5
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/4672-115-0x0000000000160000-0x0000000000F39000-memory.dmp	family_ytstealer
behavioral2/memory/4672-117-0x0000000000160000-0x0000000000F39000-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/4672-115-0x0000000000160000-0x0000000000F39000-memory.dmp	upx
behavioral2/memory/4672-117-0x0000000000160000-0x0000000000F39000-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
4672	8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe
4672	8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe
4672	8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe
4672	8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4672 wrote to memory of 2064	4672	8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe	67
PID 4672 wrote to memory of 2064	4672	8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe	67
PID 2064 wrote to memory of 4784	2064	cmd.exe	69
PID 2064 wrote to memory of 4784	2064	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe
"C:\Users\Admin\AppData\Local\Temp\8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4672
- 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\8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2064
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:4784

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/4672-115-0x0000000000160000-0x0000000000F39000-memory.dmp

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memory/4672-117-0x0000000000160000-0x0000000000F39000-memory.dmp

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