ytstealer | 119e5bf72d68c4881a5dfb0a40c85c32adb85cc7f09071c92fdf03b736d66165

Analysis

max time kernel
42s
max time network
46s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
12-08-2022 06:54

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General

Target

119E5BF72D68C4881A5DFB0A40C85C32ADB85CC7F09071C92FDF03B736D66165.exe
Size

4.0MB
MD5

2c90b9bd2f5103e4df4d5232ddf4fd33
SHA1

3eb10051b0159a5a0d44432e2fe2abf33eb1c931
SHA256

119e5bf72d68c4881a5dfb0a40c85c32adb85cc7f09071c92fdf03b736d66165
SHA512

dad76f2c6b57840a34cb55f20eec964114b5718f20deeeab0d0f7a70f7a413b46d9ead6bbdbcb92f9751e69ff858897ea98d822ec972bcd1a7adaaed5a12e002

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/1952-54-0x0000000001350000-0x0000000002119000-memory.dmp	family_ytstealer
behavioral1/memory/1952-57-0x0000000001350000-0x0000000002119000-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/1952-54-0x0000000001350000-0x0000000002119000-memory.dmp	upx
behavioral1/memory/1952-57-0x0000000001350000-0x0000000002119000-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 2 IoCs

Processes:

119E5BF72D68C4881A5DFB0A40C85C32ADB85CC7F09071C92FDF03B736D66165.exe

pid	process
1952	119E5BF72D68C4881A5DFB0A40C85C32ADB85CC7F09071C92FDF03B736D66165.exe
1952	119E5BF72D68C4881A5DFB0A40C85C32ADB85CC7F09071C92FDF03B736D66165.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

119E5BF72D68C4881A5DFB0A40C85C32ADB85CC7F09071C92FDF03B736D66165.execmd.exe

description	pid	process	target process
PID 1952 wrote to memory of 884	1952	119E5BF72D68C4881A5DFB0A40C85C32ADB85CC7F09071C92FDF03B736D66165.exe	cmd.exe
PID 1952 wrote to memory of 884	1952	119E5BF72D68C4881A5DFB0A40C85C32ADB85CC7F09071C92FDF03B736D66165.exe	cmd.exe
PID 1952 wrote to memory of 884	1952	119E5BF72D68C4881A5DFB0A40C85C32ADB85CC7F09071C92FDF03B736D66165.exe	cmd.exe
PID 884 wrote to memory of 524	884	cmd.exe	choice.exe
PID 884 wrote to memory of 524	884	cmd.exe	choice.exe
PID 884 wrote to memory of 524	884	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\119E5BF72D68C4881A5DFB0A40C85C32ADB85CC7F09071C92FDF03B736D66165.exe
"C:\Users\Admin\AppData\Local\Temp\119E5BF72D68C4881A5DFB0A40C85C32ADB85CC7F09071C92FDF03B736D66165.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1952

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\119E5BF72D68C4881A5DFB0A40C85C32ADB85CC7F09071C92FDF03B736D66165.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:884

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:524

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/524-56-0x0000000000000000-mapping.dmp

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memory/884-55-0x0000000000000000-mapping.dmp

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memory/1952-54-0x0000000001350000-0x0000000002119000-memory.dmp

Filesize
13.8MB

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memory/1952-57-0x0000000001350000-0x0000000002119000-memory.dmp

Filesize
13.8MB

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