ytstealer | cecc58f7e5b69e0b2159f68ca5ee38f36b59a0adbe36f8a93e791f8788488fb5

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230621-en
resource tags

arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2023 12:31

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General

Target

123.exe
Size

4.0MB
MD5

54d16b2bd83331c4512e3392271ac098
SHA1

313327e368810eae000d565f642a33ae3fc47fef
SHA256

cecc58f7e5b69e0b2159f68ca5ee38f36b59a0adbe36f8a93e791f8788488fb5
SHA512

9a613dd5e73d001e7a5fc71433619c6ffe7f1208b4930652e8a3c5e34330e7c7baf588a1386126d4a131041ad6162dfb390a3174f3cf511eaada1d00b4c314b3
SSDEEP

98304:aMXrxoP12YqQvOY3bpQQThqO04uQtXrLG+O/ee1:ayxoPgKvdlZ2utXrS+i

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 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/692-134-0x0000000000B10000-0x0000000001922000-memory.dmp	family_ytstealer
behavioral2/memory/692-135-0x0000000000B10000-0x0000000001922000-memory.dmp	family_ytstealer
behavioral2/memory/692-148-0x0000000000B10000-0x0000000001922000-memory.dmp	family_ytstealer

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

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/692-133-0x0000000000B10000-0x0000000001922000-memory.dmp	upx
behavioral2/memory/692-134-0x0000000000B10000-0x0000000001922000-memory.dmp	upx
behavioral2/memory/692-135-0x0000000000B10000-0x0000000001922000-memory.dmp	upx
behavioral2/memory/692-148-0x0000000000B10000-0x0000000001922000-memory.dmp	upx

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4680 powershell.exe
4680 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4680 powershell.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

123.exe

description pid process target process

PID 692 wrote to memory of 4680 692 123.exe powershell.exe
PID 692 wrote to memory of 4680 692 123.exe powershell.exe

pid	process
4680	powershell.exe
4680	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4680	powershell.exe

description	pid	process	target process
PID 692 wrote to memory of 4680	692	123.exe	powershell.exe
PID 692 wrote to memory of 4680	692	123.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\123.exe
"C:\Users\Admin\AppData\Local\Temp\123.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:692

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell "" "Get-WmiObject Win32_PortConnector"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4680

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u2z0xed3.mql.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/692-133-0x0000000000B10000-0x0000000001922000-memory.dmp

Filesize
14.1MB

Download
memory/692-134-0x0000000000B10000-0x0000000001922000-memory.dmp

Filesize
14.1MB

Download
memory/692-135-0x0000000000B10000-0x0000000001922000-memory.dmp

Filesize
14.1MB

Download
memory/692-148-0x0000000000B10000-0x0000000001922000-memory.dmp

Filesize
14.1MB

Download
memory/4680-145-0x0000019572440000-0x0000019572462000-memory.dmp

Filesize
136KB

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