ytstealer | 7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947

Analysis

max time kernel
51s
max time network
176s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
30/08/2022, 02:03

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General

Target
7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947.exe
Size 4.0MB
Sample220830-cgppnabce4
SHA256 7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947
MD5 d42178bbf32e0a53019634d8c60ef9de
SHA1 fcf8b4bbdd52b5f1b4b16b0084aaaa02fdf2be8d
SHA512 efae5a61c2a184dcf2266b29bddb6b6ba841d517624edc7b43d108efd18bfadad860b3574d431604ffa12b9b24e71903caa5ecf927e3e40bb86e0108784a59a9
SSDEEP 98304:h08N854HNgIP47wJGx1m2hXtx51/Bq5LPzDE3s:j8OPwwAx1tH/B+P3E
MD5 SHA1 SHA512 SSDEEP

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
behavioral2/memory/4248-119-0x0000000001270000-0x0000000002049000-memory.dmp	family_ytstealer
behavioral2/memory/4248-122-0x0000000001270000-0x0000000002049000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4248-119-0x0000000001270000-0x0000000002049000-memory.dmp	upx
behavioral2/memory/4248-122-0x0000000001270000-0x0000000002049000-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 4 IoCs

pid	Process
4248	7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947.exe
4248	7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947.exe
4248	7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947.exe
4248	7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 4508	4248	7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947.exe	67
PID 4248 wrote to memory of 4508	4248	7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947.exe	67
PID 4508 wrote to memory of 4584	4508	cmd.exe	69
PID 4508 wrote to memory of 4584	4508	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947.exe
"C:\Users\Admin\AppData\Local\Temp\7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4248
- 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\7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4508
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:4584

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/4248-119-0x0000000001270000-0x0000000002049000-memory.dmp

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memory/4248-122-0x0000000001270000-0x0000000002049000-memory.dmp

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