ytstealer | 508832b628ad47fb6b2467bf99e5e6b9109969e81aa6f9c2704361df6ed36fa4

Analysis

max time kernel
43s
max time network
48s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
20/07/2022, 07:51

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General

Target

508832B628AD47FB6B2467BF99E5E6B9109969E81AA6F9C2704361DF6ED36FA4.exe
Size

4.0MB
MD5

a336f951fa34705404249a142a8e28f2
SHA1

66f6f2b6275d6df8832e78005ad88c7ea14cfe55
SHA256

508832b628ad47fb6b2467bf99e5e6b9109969e81aa6f9c2704361df6ed36fa4
SHA512

2c30071ed655cb0c7eff4bfb654c21ac892a84848f1ded0984ae5e46da3eb0c6bd886857e33cbc76eb99f7a62d902c39941f8fee389bcb6e455eb9b9955125c2

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

resource	yara_rule
behavioral1/memory/1396-54-0x0000000000110000-0x0000000000ED9000-memory.dmp	family_ytstealer
behavioral1/memory/1396-56-0x0000000000110000-0x0000000000ED9000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1396-54-0x0000000000110000-0x0000000000ED9000-memory.dmp	upx
behavioral1/memory/1396-56-0x0000000000110000-0x0000000000ED9000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1720	cmd.exe

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

pid	Process
1396	508832B628AD47FB6B2467BF99E5E6B9109969E81AA6F9C2704361DF6ED36FA4.exe
1396	508832B628AD47FB6B2467BF99E5E6B9109969E81AA6F9C2704361DF6ED36FA4.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 1720	1396	508832B628AD47FB6B2467BF99E5E6B9109969E81AA6F9C2704361DF6ED36FA4.exe	28
PID 1396 wrote to memory of 1720	1396	508832B628AD47FB6B2467BF99E5E6B9109969E81AA6F9C2704361DF6ED36FA4.exe	28
PID 1396 wrote to memory of 1720	1396	508832B628AD47FB6B2467BF99E5E6B9109969E81AA6F9C2704361DF6ED36FA4.exe	28
PID 1720 wrote to memory of 596	1720	cmd.exe	30
PID 1720 wrote to memory of 596	1720	cmd.exe	30
PID 1720 wrote to memory of 596	1720	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\508832B628AD47FB6B2467BF99E5E6B9109969E81AA6F9C2704361DF6ED36FA4.exe
"C:\Users\Admin\AppData\Local\Temp\508832B628AD47FB6B2467BF99E5E6B9109969E81AA6F9C2704361DF6ED36FA4.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1396
- 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\508832B628AD47FB6B2467BF99E5E6B9109969E81AA6F9C2704361DF6ED36FA4.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1720
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:596

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

memory/1396-54-0x0000000000110000-0x0000000000ED9000-memory.dmp

Filesize
13.8MB

Download
memory/1396-56-0x0000000000110000-0x0000000000ED9000-memory.dmp

Filesize
13.8MB

Download