ytstealer | 7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947

Analysis

max time kernel
42s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-08-2022 02:03

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General

Target

7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947.exe
Size

4.0MB
MD5

d42178bbf32e0a53019634d8c60ef9de
SHA1

fcf8b4bbdd52b5f1b4b16b0084aaaa02fdf2be8d
SHA256

7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947
SHA512

efae5a61c2a184dcf2266b29bddb6b6ba841d517624edc7b43d108efd18bfadad860b3574d431604ffa12b9b24e71903caa5ecf927e3e40bb86e0108784a59a9
SSDEEP

98304:h08N854HNgIP47wJGx1m2hXtx51/Bq5LPzDE3s:j8OPwwAx1tH/B+P3E

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

Processes:

resource	yara_rule
behavioral1/memory/752-54-0x0000000001310000-0x00000000020E9000-memory.dmp	family_ytstealer
behavioral1/memory/752-57-0x0000000001310000-0x00000000020E9000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/752-54-0x0000000001310000-0x00000000020E9000-memory.dmp	upx
behavioral1/memory/752-57-0x0000000001310000-0x00000000020E9000-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 2 IoCs

Processes:

7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947.exe

pid	process
752	7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947.exe
752	7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947.execmd.exe

description	pid	process	target process
PID 752 wrote to memory of 904	752	7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947.exe	cmd.exe
PID 752 wrote to memory of 904	752	7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947.exe	cmd.exe
PID 752 wrote to memory of 904	752	7a893b7463e6e6432f9949c53687a4b2bc4f54ad2d206f90faca1d37e8c82947.exe	cmd.exe
PID 904 wrote to memory of 1856	904	cmd.exe	choice.exe
PID 904 wrote to memory of 1856	904	cmd.exe	choice.exe
PID 904 wrote to memory of 1856	904	cmd.exe	choice.exe

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:752
- 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:904
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:1856

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/752-54-0x0000000001310000-0x00000000020E9000-memory.dmp

Filesize
13.8MB

Download
memory/752-57-0x0000000001310000-0x00000000020E9000-memory.dmp

Filesize
13.8MB

Download
memory/904-55-0x0000000000000000-mapping.dmp

Download
memory/1856-56-0x0000000000000000-mapping.dmp

Download