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

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

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

pid	Process
4680	powershell.exe
4680	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4680	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 692 wrote to memory of 4680	692	123.exe	87
PID 692 wrote to memory of 4680	692	123.exe	87

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 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

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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

Download