ytstealer | c0f8296c3117ebd81fc8e23e46dd515de17758b80a8d2bf0f3aa0cd7dc29da8a

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
20/07/2022, 08:07

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General

Target

C0F8296C3117EBD81FC8E23E46DD515DE17758B80A8D2BF0F3AA0CD7DC29DA8A.exe
Size

4.0MB
MD5

1abd245ccbf9c8862a43503b76ca4f84
SHA1

724ec77b362d050b3461abf79b1ad0c026453d2c
SHA256

c0f8296c3117ebd81fc8e23e46dd515de17758b80a8d2bf0f3aa0cd7dc29da8a
SHA512

13f6daa23842dda9209fc3022fa6e7a7e878b67e26c305999279d80d0abfe31db0af76a529b04eeffc19564827f561880a60b4b808c9b4da843c3c5da00300f6

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/1940-54-0x00000000001E0000-0x0000000000FA9000-memory.dmp	family_ytstealer
behavioral1/memory/1940-57-0x00000000001E0000-0x0000000000FA9000-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/1940-54-0x00000000001E0000-0x0000000000FA9000-memory.dmp	upx
behavioral1/memory/1940-57-0x00000000001E0000-0x0000000000FA9000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1804	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
1940	C0F8296C3117EBD81FC8E23E46DD515DE17758B80A8D2BF0F3AA0CD7DC29DA8A.exe
1940	C0F8296C3117EBD81FC8E23E46DD515DE17758B80A8D2BF0F3AA0CD7DC29DA8A.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 1804	1940	C0F8296C3117EBD81FC8E23E46DD515DE17758B80A8D2BF0F3AA0CD7DC29DA8A.exe	28
PID 1940 wrote to memory of 1804	1940	C0F8296C3117EBD81FC8E23E46DD515DE17758B80A8D2BF0F3AA0CD7DC29DA8A.exe	28
PID 1940 wrote to memory of 1804	1940	C0F8296C3117EBD81FC8E23E46DD515DE17758B80A8D2BF0F3AA0CD7DC29DA8A.exe	28
PID 1804 wrote to memory of 668	1804	cmd.exe	30
PID 1804 wrote to memory of 668	1804	cmd.exe	30
PID 1804 wrote to memory of 668	1804	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\C0F8296C3117EBD81FC8E23E46DD515DE17758B80A8D2BF0F3AA0CD7DC29DA8A.exe
"C:\Users\Admin\AppData\Local\Temp\C0F8296C3117EBD81FC8E23E46DD515DE17758B80A8D2BF0F3AA0CD7DC29DA8A.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1940
- 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\C0F8296C3117EBD81FC8E23E46DD515DE17758B80A8D2BF0F3AA0CD7DC29DA8A.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1804
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:668

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/1940-54-0x00000000001E0000-0x0000000000FA9000-memory.dmp

Filesize
13.8MB

Download
memory/1940-57-0x00000000001E0000-0x0000000000FA9000-memory.dmp

Filesize
13.8MB

Download