ytstealer | 21430cffb7045cdbecee6e57e94e3146776f0f5f366975b151a780ea6d6bf3a3

Analysis

max time kernel
248s
max time network
43s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
12/08/2022, 06:56

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General

Target

21430CFFB7045CDBECEE6E57E94E3146776F0F5F366975B151A780EA6D6BF3A3.exe
Size

4.0MB
MD5

7986a261ce0af84ff5eebeb527a4f2e3
SHA1

3a5e6906fe63867bd538d4eebe6a9e358d0c2bdc
SHA256

21430cffb7045cdbecee6e57e94e3146776f0f5f366975b151a780ea6d6bf3a3
SHA512

2261f064746c6a7cc0214a9d850cc6538ad6517bffbe242c4cbe4d379f291165e090e123f6e8a02da28f0adb44b6f072e6ab9052f105085cbbf2eac2c87c30f1

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
behavioral1/memory/1524-54-0x00000000001B0000-0x0000000000FC2000-memory.dmp	family_ytstealer
behavioral1/memory/1524-55-0x00000000001B0000-0x0000000000FC2000-memory.dmp	family_ytstealer
behavioral1/memory/1524-64-0x00000000001B0000-0x0000000000FC2000-memory.dmp	family_ytstealer

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1524-54-0x00000000001B0000-0x0000000000FC2000-memory.dmp	upx
behavioral1/memory/1524-55-0x00000000001B0000-0x0000000000FC2000-memory.dmp	upx
behavioral1/memory/1524-64-0x00000000001B0000-0x0000000000FC2000-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 1 IoCs

pid	Process
1740	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1740	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 1740	1524	21430CFFB7045CDBECEE6E57E94E3146776F0F5F366975B151A780EA6D6BF3A3.exe	26
PID 1524 wrote to memory of 1740	1524	21430CFFB7045CDBECEE6E57E94E3146776F0F5F366975B151A780EA6D6BF3A3.exe	26
PID 1524 wrote to memory of 1740	1524	21430CFFB7045CDBECEE6E57E94E3146776F0F5F366975B151A780EA6D6BF3A3.exe	26

C:\Users\Admin\AppData\Local\Temp\21430CFFB7045CDBECEE6E57E94E3146776F0F5F366975B151A780EA6D6BF3A3.exe
"C:\Users\Admin\AppData\Local\Temp\21430CFFB7045CDBECEE6E57E94E3146776F0F5F366975B151A780EA6D6BF3A3.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell "" "Get-WmiObject Win32_PortConnector"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1740

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/1524-54-0x00000000001B0000-0x0000000000FC2000-memory.dmp

Filesize
14.1MB

Download
memory/1524-55-0x00000000001B0000-0x0000000000FC2000-memory.dmp

Filesize
14.1MB

Download
memory/1524-64-0x00000000001B0000-0x0000000000FC2000-memory.dmp

Filesize
14.1MB

Download
memory/1740-57-0x000007FEFC3B1000-0x000007FEFC3B3000-memory.dmp

Filesize
8KB

Download
memory/1740-58-0x000007FEF3B90000-0x000007FEF45B3000-memory.dmp

Filesize
10.1MB

Download
memory/1740-60-0x00000000027E4000-0x00000000027E7000-memory.dmp

Filesize
12KB

Download
memory/1740-59-0x000007FEF3030000-0x000007FEF3B8D000-memory.dmp

Filesize
11.4MB

Download
memory/1740-61-0x000000001B750000-0x000000001BA4F000-memory.dmp

Filesize
3.0MB

Download
memory/1740-62-0x00000000027E4000-0x00000000027E7000-memory.dmp

Filesize
12KB

Download
memory/1740-63-0x00000000027EB000-0x000000000280A000-memory.dmp

Filesize
124KB

Download