ytstealer | 92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9

Analysis

max time kernel
54s
max time network
175s
platform
windows10-1703_x64
resource
win10-20220718-en
resource tags

arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
submitted
05-08-2022 22:19

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General

Target

92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9.exe
Size

4.0MB
MD5

ea2b810e41d2cf01faed23007e21dc1c
SHA1

f47c68304448f81dd59a5641f26a2affbd5d1bb8
SHA256

92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9
SHA512

da50d6afb203cc22022c7feb7314f6ee94587aeccbd0780514bf33b263afdd37fe94e711c860dfbbe27648b1c09bc3da33150276616d7c85b0fbb10d495184df

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
behavioral2/memory/3868-114-0x0000000000960000-0x0000000001739000-memory.dmp	family_ytstealer
behavioral2/memory/3868-116-0x0000000000960000-0x0000000001739000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3868-114-0x0000000000960000-0x0000000001739000-memory.dmp	upx
behavioral2/memory/3868-116-0x0000000000960000-0x0000000001739000-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:

92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9.exe

pid	process
3868	92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9.exe
3868	92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9.exe
3868	92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9.exe
3868	92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9.execmd.exe

description	pid	process	target process
PID 3868 wrote to memory of 3664	3868	92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9.exe	cmd.exe
PID 3868 wrote to memory of 3664	3868	92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9.exe	cmd.exe
PID 3664 wrote to memory of 4028	3664	cmd.exe	choice.exe
PID 3664 wrote to memory of 4028	3664	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9.exe
"C:\Users\Admin\AppData\Local\Temp\92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3868
- 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\92245780525c0fec0ea8e8a9a6476a203854add640c090e2d66df35c0b4047c9.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3664
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:4028

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/3664-115-0x0000000000000000-mapping.dmp

Download
memory/3868-114-0x0000000000960000-0x0000000001739000-memory.dmp

Filesize
13.8MB

Download
memory/3868-116-0x0000000000960000-0x0000000001739000-memory.dmp

Filesize
13.8MB

Download
memory/4028-117-0x0000000000000000-mapping.dmp

Download