ytstealer | 13e3a662dca14bc7962cf41c51224bead8722a58000b4b0e2f6e65d420e02d03

Analysis

max time kernel
33s
max time network
42s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-08-2022 01:16

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General

Target

13e3a662dca14bc7962cf41c51224bead8722a58000b4b0e2f6e65d420e02d03.exe
Size

4.0MB
MD5

956a88fae33446099370f3d0f4fb32fc
SHA1

a4b17747852605693c5e8589421debda67b3af7b
SHA256

13e3a662dca14bc7962cf41c51224bead8722a58000b4b0e2f6e65d420e02d03
SHA512

753f8d6ade5e33faa761bc78c1b764bb951e51a41b15a1644615fc3910628ff25b19305a5a86b993aacd860d079278bb3c51a28b44aa1a1a7950c26194c11755
SSDEEP

98304:GS/b382lN71hxh3XikxD81cgqGFJo8ntsgy2k7+QN87eLR7ViC:t/L82l1nH3Xi06lqGFJBGgm87eLDi

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/784-54-0x0000000000810000-0x00000000015E9000-memory.dmp	family_ytstealer
behavioral1/memory/784-56-0x0000000000810000-0x00000000015E9000-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/784-54-0x0000000000810000-0x00000000015E9000-memory.dmp	upx
behavioral1/memory/784-56-0x0000000000810000-0x00000000015E9000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1020 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

pid	process
1020	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

13e3a662dca14bc7962cf41c51224bead8722a58000b4b0e2f6e65d420e02d03.exe

pid	process
784	13e3a662dca14bc7962cf41c51224bead8722a58000b4b0e2f6e65d420e02d03.exe
784	13e3a662dca14bc7962cf41c51224bead8722a58000b4b0e2f6e65d420e02d03.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

13e3a662dca14bc7962cf41c51224bead8722a58000b4b0e2f6e65d420e02d03.execmd.exe

description	pid	process	target process
PID 784 wrote to memory of 1020	784	13e3a662dca14bc7962cf41c51224bead8722a58000b4b0e2f6e65d420e02d03.exe	cmd.exe
PID 784 wrote to memory of 1020	784	13e3a662dca14bc7962cf41c51224bead8722a58000b4b0e2f6e65d420e02d03.exe	cmd.exe
PID 784 wrote to memory of 1020	784	13e3a662dca14bc7962cf41c51224bead8722a58000b4b0e2f6e65d420e02d03.exe	cmd.exe
PID 1020 wrote to memory of 520	1020	cmd.exe	choice.exe
PID 1020 wrote to memory of 520	1020	cmd.exe	choice.exe
PID 1020 wrote to memory of 520	1020	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\13e3a662dca14bc7962cf41c51224bead8722a58000b4b0e2f6e65d420e02d03.exe
"C:\Users\Admin\AppData\Local\Temp\13e3a662dca14bc7962cf41c51224bead8722a58000b4b0e2f6e65d420e02d03.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:784

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\13e3a662dca14bc7962cf41c51224bead8722a58000b4b0e2f6e65d420e02d03.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1020

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:520

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/520-57-0x0000000000000000-mapping.dmp

Download
memory/784-54-0x0000000000810000-0x00000000015E9000-memory.dmp

Filesize
13.8MB

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memory/784-56-0x0000000000810000-0x00000000015E9000-memory.dmp

Filesize
13.8MB

Download
memory/1020-55-0x0000000000000000-mapping.dmp

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